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Chapter 3.2. California Occupational Safety and Health Regulations (CAL/OSHA)
Subchapter 1. Regulations of the Director of Industrial Relations

Article 5. Hazardous Substances Information and Training

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§339. The Hazardous Substances List.

(a) Purpose. The following is the List of Hazardous Substances prepared by the Director pursuant to Labor Code Section 6380. The substances on this list are subject to the provisions of Labor Code Sections 6360 through 6399.7 and Section 5194 in Title 8 of the California Code of Regulations.

(b) Definitions.

(1) CAS number means the unique identification number assigned by the Chemical Abstracts Service to specific chemical substances.

(2) Source means the sublists which the Director used in preparing the Hazardous Substances List pursuant to Labor Code 6382. The source(s) of each hazardous substance on the list is designated by a number in the middle column of the list. The numbers represent the following sources: (1) International Agency for Research on Cancer (IARC); (2) Environmental Protection Agency lists pursuant to the Clean Air and Clean Water Acts; (3) General Industry Safety Order Section 5155; (4) California Department of Pesticide Regulation's list of Restricted Materials; (5) Information Alerts put out by the Hazard Evaluation and Information Service pursuant to Labor Code Section 147.2.

(3) Synonym means an entry in the list which refers to another entry. This type of entry may identify alternate names for a given substance or associate a particular substance with a class of substances. Synonyms appear in the list as entries of the form: Substance x; see Substance y. The synonym entries included in this list are not all inclusive.

HAZARDOUS SUBSTANCES LIST *

* An MSDS is not required for tapes, films, or extruded, molded or coated products containing listed hazardous substances in bound form except when these substances can be released in the workplace under normal conditions of work or in reasonably foreseeable emergencies resulting from workplace operations.

CAS No.         Source      Substance                    Footnotes 

26148685           1        A-alpha-C (2-Amino-9H- 
                             pyrido[2,3-b]indole) 
3688537            1        AF-2 ([2-(2-Furyl)-3- 
                             (5-nitro-2-furyl)] acrylamide) 
86884              3         ANTU; see 1-(1-Naphthyl)-2- 
                             thiourea 
83329              2        Acenaphthene 
75070              1,2,3    Acetaldehyde 
60355              1        Acetamide 
64197              2,3      Acetic acid                        1 
108247             2,3      Acetic anhydride 
67641              3        Acetone 
75865              2        Acetone cyanohydrin 
75058              3        Acetonitrile 
81812              3        3-(alpha-Acetonylbenzyl)-4- 
                             hydroxycoumarin; see Warfarin 
53963              3        2-Acetylaminofluorene 
506967             2        Acetyl bromide 
79367              2        Acetyl chloride 
74862              3        Acetylene 
540590             2,3      Acetylene dichloride 
79276              3        Acetylene tetrabromide 
79345              1,3      Acetylene tetrachloride 
50782              3        Acetylsalicylic acid              37 
107028             2,3,4    Acrolein 
79061              1,3      Acrylamide 
79107              3        Acrylic acid 
107131             1,2,3,4  Acrylonitrile 
50760              1        Actinomycin D 
124049             2        Adlpic acid 
23214928           1        Adriamycin 
                   1        Aflatoxins 
116063             4        Aldicarb 
51285              2        Aldifen; see Dinitrophenols 
309002             1,2,3,4  Aldrin 
107186             2,3,4    Allyl alcohol 
107051             2,3      Allyl chloride 
106923             3        Allyl glycidyl ether              12 
57067              1        Allyl isothiocyanate 
2835394            1        Allyl isovalerate 
2179591            3        Allyl propyl disulfide 
                   3        Aluminum                           3 
                   3        Aluminum, alkyls 
7429905            3        Aluminum metal and oxide 
20859738           4        Aluminum phosphide 
                   3        Aluminum pyro powders 
                   3        Aluminum, soluble salts            2 
10043013           2        Aluminum sulfate;  
                             see Aluminum, soluble salts 
117793             1        2-Aminoanthraquinone 
60093              1        para-Aminoazobenzene 
97563              1        o-Aminoazotoluene 
1300738            3        Aminodimethylbenzene; see Xylidine 
92671              1,3      4-Aminodiphenyl                   31 
75047              2        Aminoethane; see Ethylamine 
141435             3        2-Aminoethanol; see Ethanolamine 
82280              1        1-Amino-2-methylanthraquinone 
91598              3        2-Aminonaphthalene; 
                             see beta-Naphthylamine 
712685             1        2-Amino-5-(5-nitro-2- 
                            furyl)-1,3,4-thiadiazole 
121664             1        2-Amino-5-nitrothiazole 
504290             3        2-Aminopyridine 
504245             4        4-Aminopyridine 
1918021            4        4-Amino-3,5,6-trichloropicolinic 
                             acid; see Picloram 
2432997            1        11-Aminoundecanoic acid 
61825              1,3      Amitrole 
7773060            2        Ammate; see Ammonium 
                             sulfamate 
7664417            2,3      Ammonia 
631618             2        Ammonium acetate 
1863634            2        Ammonium benzoate 
1066337            2        Ammonium bicarbonate 
7789095            2        Ammonium bichromate; 
                             see Chromium compounds 
1341497            2        Ammonium bifluoride; see 
                             Flouride and inorganic fluoride 
                             compounds 
10192300           2        Ammonium bisulfite 
1111780            2        Ammonium carbamate 
506876             2        Ammonium carbonate 
3012655            2        Ammonium citrate dibasic 
12125029           2,3      Ammonium chloride fume 
7788989            2        Ammonium chromate; 
                             see Chromium compounds 
13826830           2        Ammonium fluoborate 
12125018           2        Ammonium fluoride; see Fluoride, 
                             and inorganic fluoride compounds 
1336216            2        Ammonium hydroxide                29 
6009707            2        Ammonium oxalate 
16919190           2        Ammonium silicofluoride 
7773060            2,3      Ammonium sulfamate 
12135761           2        Ammonium sulfide 
10196040           2        Ammonium sulfite 
3164292            2        Ammonium tartrate 
1762954            2        Ammonium thiocyanate 
628637, 123922,    2,3      Amyl acetate, all isomers 
626380, 625161 
                   1        Anabolic steroids 
                             (Androgenic steroids) 
62533              1,2,3    Aniline 
90040              1,3      o-Anisidine 
104949             3        p-Anisidine 
191264             1        Anthanthrene 
120127             2        Anthracene 
7440360            2,3      Antimony                           3 
                   2,3      Antimony compounds                 4 
7647189            2        Antimony pentachloride; 
                             see Antimony compounds 
28300745           2        Antimony potassium tartrate; 
                             see Antimony compounds 
7789619            2        Antimony tribromide; 
                             see Antimony compounds 
10025919           2        Antimony trichloride; 
                             see Antimony compounds 
77883564           2        Antimony trifluoride; 
                             see Antimony compounds 
1309644            2        Antimony trioxide 
140578             1        AramiteRegistered; see 2-(p-tert- 
                             Butyphenoxy)isopropyl-2- 
                             chloroethyl sulfite) 
7440382            1,2,3,4  Arsenic and arsenic compounds     32 
1303328            2        Arsenic disulfide; 
                             see Arsenic and arsenic 
                             compounds 
1303282            1,2      Arsenic pentoxide; see 
                             Arsenic and arsenic compounds 
1327533            1,2      Arsenic trioxide; see 
                             Arsenic and arsenic compounds 
1303339            1,2      Arsenic trisulfide; see 
                             Arsenic and arsenic compounds 
784421             3        Arsine 
1332214            1,2,3    Asbestos                           5 
8052424            3        Asphalt (petroleum) fumes          6 
50782              3        Aspirin; see Acetylsalicylic acid 
1912249            1,3,4    Atrazine 
12174117           1        Attapulgite 
492808             1        Auramine 
12192573           1        Aurothioglucose 
320672             1        5-Azacytidine 
115026             1        Azaserine 
446866             1        Azathioprine 
86500              2,3,4    Azinphos methyl; see 
                             O,O-Dimethyl S-(4-oxo- 
                             benzotri-azino-3-methyl) 
                             phosphorodithioate 
151564             1        Aziridine; see Ethyleneimine 
1072522            1        2-(1-Aziridinyl)ethanol 
800248             1        Aziridyl benzoquinone 
103333             1        Azobenzene 
3333526            3        2,2'-Azobisisobutyronitrile 
                             decomposition product; see 
                             Tetramethyl succinonitrile 
6923224            4        Azodrin; see 
                             3-(Dimethoxyphosphinyloxy)-N- 
                             methyl-cis-crotonamide 
154938             1        BCNU; see 1,3-bis 
                             (2-Chloroethyl)-1-nitrosourea 
2426086            3        BGE; see n-Butyl glycidyl ether 
58899              2        BHC; see Hexachlorocyclohexanes 
319846             2        alpha-BHC 
319857             2        beta-BHC 
319869             2        delta-BHC 
58899              2        gamma-BHC; see Lindane 
86884              3        Bantu; see 1-(1-Naphthyl)-2-thiourea 
101279             2        Barban 
                   2,3      Barium, soluble compounds          2 
542621             2        Barium cyanide; see 
                             Cyanides, inorganic salts 
17804352           3        Benomyl 
25057890           4        Bentazon 
225514             1        Benz[c]acridine 
56553              1,2      Benz [a]anthracene 
56553              2        1,2-Benzanthracene; see 
                             Benz[a]anthracene 
71432              1,2,3    Benzene 
108907             2,3      Benzene chloride; see 
                             Chlorinated benzenes 
123319             3        1,4-Benzenediol; see Hydroquinone 
108463             2        1,3-Benzenediol; see Resorcinol 
118741             1,4      Benzene hexachloride; see 
                             Chlorinated benzenes 
531851, 531862,    1,2,3    Benzidine (and its salts)         31 
92875 
                   1        Benzidine-based dyes 
205992             1,2      Benzo [b]fluoranthene 
205823             1        Benzo[i[fluoranthene 
207089             1,2      Benzo[k]fluoranthene 
207089             2        11,12 Benzofluoranthene; 
                             see Benzo[k]fluoranthene 
205992             2        3,4 Benzofluoranthene; see 
                             Benzo[b]fluoranthene 
65850              2        Benzoic Acid                       7 
71432              3        Benzol; see Benzene 
100470             2        Benzonitrile 
191242             2        1,12-Benzoperylene 
191242             2        Benzo(ghi)perylene; see 
                             1,12-Benzoperylene 
50328              1,2      Benzo [a]pyrene 
91225              2        Benzo(b)pyridine; see Quinoline 
105113             1        para-Benzoquinone dioxime 
106514             3        p-Benzoquinone; see Quinone 
98077              1        Benzotrichloride 
98884              2        Benzoyl chloride 
94360              3        Benzoyl peroxide 
140114             1        Benzyl acetate 
100447             1,2,3    Benzyl chloride 
1694093            1        Benzyl violet 4B 
7440417            1,2,3    Beryllium                         34 
7787475            1,2      Berrylium chloride; see 
                             Beryllium compounds 
                   1,2,3    Beryllium compounds 
7787497            1,2      Beryllium fluoride; see 
                             Beryllium compounds 
7787555            2        Beryllium nitrate; see Beryllium 
                             compounds 
141662             4        Bidrin; see 3-Hydroxy- 
                             N,N-dimethyl-cis-crotonamide 
                             dimethyl phosphate 
92524              3        Biphenyl 
2168685            1        Bis(1-aziridinyl)morpholinophosphine 
                             sulphide 
111911             2        Bis(2-chloroethoxy) methane 
111444             2,3      Bis(2-chloroethyl)ether; see 
                             Chloroalkyl ethers 
494031             1        N,N-Bis(2-chloroethyl)-2 
                              -naphthylamine 
154938             1        1,3-Bis(2-chloroethyl)-1 -nitrosourea 
154938             1        Bischloroethyl nitrosourea; 
                             see 1,3-Bis(2-chloroethyl)- 
                             1-nitrosourea 
13483186           1        1,2-Bis(chloromethoxy)ethane 
56894981           1        1,4-Bis(chloromethoxymethyl)benzene 
542881             1,3      Bis(chloromethyl) ether 
108601             1        Bis(2-chloro-1-methylethyl) ether 
108601             2        Bis(2-chloroisopropyl) ether 
115322             1,2      1,1-Bis-(p-chlorophenyl)-2,2,2- 
                              trichloroethanol(dicofol) 
137268             3        Bis-(dimethylthiocarbamoyl) disulfide 
2238075            3        Bis(2,3-epoxypropyl)ether; see 
                             Diglycidyl ether 
117817             2        Bis(2-ethylhexyl) phthalate; see 
                             Phthalate esters 
1304821            3        Bismuth telluride; see 
                             Tellurium compounds 
11056067           1        Bleomycins 
129179             1        Blue VRS 
                   3        Borates, tetra, sodium salts       8 
1303862            3        Boron oxide                        8 
10294334           3        Boron tribromide 
7637072            3        Boron trifluoride 
3844459            1        Brilliant Blue FCF 
314409             3        Bromacil 
7726956            3        Bromine 
7789302            3        Bromine pentafluoride 
74975              3        Bromochloromethane 
75274              2        Bromodichloromethane 
74964              3        Bromoethane; see Ethyl bromide 
593602             3        Bromoethylene; see Vinyl bromide 
75252              2,3      Bromoform 
74839              3        Bromomethane; see Methyl bromide 
101553             2        4-Bromophenyl phenyl ether 
75638              3        Bromotrifluoromethane 
1689845            4        Bromoxynil 
106990             1,2,3    1,3-Butadiene 
106978             3        Butane 
55981              1        1,4-Butanediol dimethanesulfonate  
                             (Busulfan) 
109795             3        Butanethiol; see n-Butyl mercaptan 
71363              3        Butanol; see Butyl alcohol 
78933              3        2-Butanone 
123739             2        2-Butenal propylene aldehyde; see  
                             Crotonaldehyde 
2426086            3        1-Butoxy-2,3-epoxypropane; see  
                             n-Butyl glycidyl ether 
111762             3        2-Butoxyethanol; see Ethylene  
                             glycol monobutyl ether 
123864, 105464,    2,3      Butyl acetate, all isomers 
540885, 110190 
141322             3        Butyl acrylate 
71363, 78922,      3        Butyl alcohol 
75650 
109739, 78819,     2,3      Butylamine, all isomers 
513495, 13952846, 
75649 
25013165           1        Butylated hydroxyanisole 
128370             1        Butylated hydroxytoluene; see 2,6-Di- 
                             tert-butyl-p-cresol 
85687              2        Butyl benzyl phthalate 
299865             3        4-tert-Butyl-2-chlorophenylmethyl 
                              methylphosphoramidate 
1189851            3        tert-Butyl chromate; see Chromium  
                             compounds 
2426086            3        n-Butyl glycidyl ether            12 
138227             3        n-Butyl lactate 
109795             3        n-Butyl mercaptan 
89725              3        o-sec-Butylphenol 
140578             1        2-(p-tert-Butylphenoxy)isopropyl- 
                              2-chloroethyl sulfite 
84742              2        n-Butyl phthalate; see Phthalate esters 
98511              3        p-tert-Butyltoluene 
107926             2        Butyric acid 
3068880            1        beta-Butyrolactone 
13010474           1        CCNU; see 1-(2-Chloroethyl)-3- 
                             cyclohexyl-1-nitrosourea 
543908             1,2      Cadmium acetate; see Cadmium  
                             compounds 
7440439, 
1306190            1,2,3,4  Cadmium and cadmium oxide          3 
7789426            2        Cadmium bromide; see Cadmium  
                             compounds 
10108642           1,2      Cadmium chloride; see Cadmium  
                             compunds 
                   1,2,3,4  Cadmium compounds 
7440702            2        Calcium 
7778441            1,2,3    Calcium arsenate; see Arsenic and arsenic 
                             compounds 
52740166           2        Calcium arsenite; see Arsenic and arsenic 
                             compounds 
75207              2        Calcium carbide 
13765190           1,2      Calcium chromate; see Chromium  
                             compounds 
156627             3        Calcium cyanamide 
592018             2,4      Calcium cyanide; see Cyanides, inorganic 
                             salts 
26264062           2        Calcium dodecylbenzene-sulfonate 9 
1305620            3        Calcium hydroxide 
7778543            2        Calcium hypochlorite 
1305788            3        Calcium oxide 
76222              3        Camphor 
56257              1        Cantharidin 
105602             3        Caprolactam 
2425061            1,3      Captafol 
133062             1,2,3    Captan 
63252              2,3,4    Carbaryl 
86748              1        Carbazole 
7786347            2,3,4    alpha-2-Carbomethoxy-1- methylvinyl 
                              dimethyl phosphate(mevinphos) 
7786347            3        2-Carbomethoxy-l-propen-2-yl  
                             dimethyl phosphate; see alpha-2- 
                             Carbomethoxy-l-methylvinyl  
                             dimethyl phosphate 
75150              2,4      Carbon bisulfide; see Carbon disulfide 
1333864            1,3      Carbon black-Extracts             10 
124389             3        Carbon dioxide 
75150              2,3,4    Carbon disulfide 
630080             3        Carbon monoxide 
558134             3        Carbon tetrabromide 
56235              1,2,3,4  Carbon tetrachloride 
75445              2,3      Carbonyl chloride; see Phosgene 
353504             3        Carbonyl Fluoride 
786196             4        Carbophenothion 
154938             1        Carmoisine; see 1,3-Bis(2-chloro- 
                             ethyl)-1-nitrosourea 
120809             3        Catechol 
1310732            3        Caustic soda; see Sodium hydroxide 
110805             5        Cellosolve; see Ethylene glycol mono- 
                             ethyl ether 
21351791           3        Cesium hydroxide 
305033             1        Chlorambucil 
56757              1        Chloramphenicol 
57749              1,2,3,4  Chlordane 
143500             1,2      Chlordecone 
6164983            4        Chlordimeform 
115286             1        Chlorendic acid 
470906             4        Chlorfenvinphos 
                   1,2,3    Chlorinated benzenes 
8001352            3        Chlorinated camphene; see Toxaphene 
                   2        Chlorinated cresols 
55720995           3        Chlorinated diphenyl oxide 
                   2        Chlorinated ethanes 
                   2        Chlorinated naphthalenes, (other than 
                              those listed elsewhere) 
108171262          1        Chlorinated paraffins 
                   2        Chlorinated phenols; see Chlorinated  
                             cresols 
                   1        a-Chlorinated toluenes 
7782505            2,3      Chlorine 
10049044           3        Chlorine dioxide 
7790912            3        Chlorine trifluoride 
494031             1        Chlornaphazine; see N,N-bis(2- 
                             Chloroethyl)-2-naphthylamine 
107200             3        Chloroacetaldehyde 
532274             3        alpha-Chloroacetophenone 
79049              3        Chloroacetyl chloride 
                   1,2,3    Chloroalkyl ethers 
108907             2,3      Chlorobenzene; see 
                             Chlorinated benzenes 
510156             1        Chlorobenzilate 
2698411            3        o-Chlorobenzylidene-malononitrile 
74975              3        Chlorobromomethane; see  
                             Bromochloromethane 
126998             3        2-Chloro-1,3-butadiene; see  
                             Chloroprene 
124481             2        Chlorodibromomethane 
75456              1,3      Chlorodifluoromethane (FC-22) 
53449219           3        Chlorodiphenyl; see Polychlorobiphenyls 
106898             3        1-Chloro-2,3,-epoxypropane; see  
                             Epichlorohydrin 
75003              2,3      Chloroethane; see Ethyl chloride 
107073             3        2-Chloroethanol; see Ethylene 
                             chlorohydrin 
13010474           1        1-(2-Chloroethyl)-3-cyclohexyl-1- 
                              nitrosourea 
75014              3        Chloroethylene; see Vinyl chloride 
13909096           1        1-(2-Chloroethyl)-3-(4-methycyclo- 
                             hexyl)-1-nitrosourea (Methyl 
                             -CCNU) 
110758             2        2-Chloroethyl vinyl ether 
593704             1        Chlorofluoromethane 
67663              1,2,3    Chloroform 
75445              2        Chloroformyl chloride; see Phosgene 
59507              2        para-Chloro-meta-cresol 
74873              3        Chloromethane; see Methyl chloride 
107302             3        Chloromethyl methyl ether; see Methyl  
                             chloromethyl ether 
91587              2        2-Chloronaphthalene 
100005             3        1-Chloro-4-nitrobenzene; see p- 
                             Nitrochlorobenzene 
600259             3        1-Chloro-1-nitropropane 
76153              3        Chloropentafluoroethane 
95578              2        2-Chlorophenol; see Chlorophenols 
                   1        Chlorophenols 
                   1        Chlorophenoxy herbicides 
95830              1        4-Chloro-o-phenylenediamine 
7005723            2        4-Chlorophenyl phenyl ether 
76062              3,4      Chloropicrin 
126998             2,3      Chloroprene 
1331288            3        o-Chlorostyrene 
7790945            2        Chlorosulfonic acid 
1897456            1        Chlorothalonil 
95498              3        o-Chlorotoluene 
100447             3        alpha-Chlorotoluene; see Benzyl chloride 
95692              1        p-Chloro-o-toluidine 
7745893            4        3-Chloro-p-toluidine hydrochloride 
1929824            3        2-Chloro-6-(trichloromethyl) pyridine 
75887              1        2-Chloro-1,1,1-trifluoroethane 
2921882            2,3      Chlorpyrifos 
1066304            2        Chromic acetate; see Chromium  
                             compounds 
11115745           2        Chromic acid; see Chromium compounds 
10101538           2        Chromic sulfate; see Chromium  
                             compounds 
7440473            2,3      Chromium                           3 
                   1,2,3    Chromium compounds 
7440473            3        Chromium metal; see Chromium 
11115745           2        Chromium troixide; see Chromium  
                             compounds 
10049055           2        Chromous chloride; see Chromium  
                             compounds 
14977618           3        Chromyl chloride; 
218019             1,2      Chrysenes; see Polynuclear aromatic 
                             hydrocarbons 
532821             1        Chrysoidine 
87296              1        Cinnamyl anthranilate 
108316             2,3      Cis-butenedioic anhydride; see Maleic  
                             anhydride 
15663271           1        Cisplatin 
51875              1        Citrinin 
6358538            1        Citrus Red no. 2 
637070             1        Clofibrate 
1420048            4        Clonitralid 
2971906            3        Clopidol 
                   3        Coal (Bituminous) dust 
65996932           1        Coal-tar pitches 
8007452            1,3      Coal tar pitch volatiles          11 
7440484            2,3      Cobalt                          3,34 
10210681           3        Cobalt carbonyl 
16842038           3        Cobalt hydrocarbonyl 
7789437            2        Cobaltous bromide 
544183             2        Cobaltous formate 
14017415           2        Cobaltous sulfamate 
62748              4        Compound 1080; see Sodium  
                             fluoroacetate 
7440508            2,3      Copper                             3 
                   2,3      Copper compounds                  39 
                   3        Cotton dust                       27 
56724              2        Coumaphos 
91645              1        Coumarin 
8001589            1        Creosotes 
120718             1        p-Cresidine 
95487, 106445,     2,3      Cresol (all isomers) 
108394,1319773 
123739             2,3      Crotonaldehyde 
299865             3        Crufomate; see 4-tert-Butyl (-2-chlor- 
                             ophenylmethyl) methylphos- 
                             phoramidate 
98828              3        Cumene 
142712             2        Cupric acetate; see Copper compounds 
12002038           2        Cupric acetoarsenite; see Copper  
                             compounds 
7447394            2        Cupric chloride; see Copper compounds 
3251238            2        Cupric nitrate; see Copper compounds 
5893663            2        Cupric oxalate; see Copper compounds 
10380297           2        Cupric sulfate, ammoniated; see Copper 
                             compounds 
7758987            2        Cupric sulfate; see Copper compounds 
815827             2        Cupric tartrate; see Copper compounds 
420042             3        Cyanamide 
                   2,3,4    Cyanides, inorganic salts 
100470             2        Cyanobenzene; see Benzonitrile 
460195             3        Cyanogen 
506774             2,3      Cyanogen chloride 
14901087           1        Cycasin 
                   1        Cyclamates 
110827             2,3      Cyclohexane 
108930             3        Cyclohexanol 
108941             3        Cyclohexanone 
110838             3        Cyclohexene 
66819              4,5      Cycloheximide 
108918             3        Cyclohexylamine 
121824             3        Cyclonite; see  
                             Cyclotrimethylenetrinitramine 
542927             3        Cyclopentadiene 
12079651           3        Cyclopentadienyltriocarbonyl  
                             manganese; 
                             see Manganese compounds 
287923             3        Cyclopentane 
27208373           1        Cyclopenta[c,d]pyrene 
50180              1        Cyclophosphamide 
6055192 
121824             3        Cyclotrimethylene-trinitramine 
13121705           3        Cyhexatin; see Tin compounds 
94757              2,3,4    2,4-D 
94111, 94791, 94804, 2      2,4-D esters (2,4-dichloro- 
1320189, 1928387,           phenoxyacetic acid esters) 
1928616, 1929733, 
2971382, 25168267, 
53467111 
94826              4        2,4-DB (2,4-dichloro- phenoxybutyric 
                              acid) 
72548              2,4      DDD; see TDE 
72548              2        4,4-DDD; see TDE 
72559              2        DDE; see 1,1-Dichloro-2,2-bis(p- 
                             chlorophenyl)-ethylene 
72559              2        4,4-DDE; see 1,1-Dichloro-2,2-bis(p- 
                             chlorophenyl)-ethylene 
120365             4        2,4-DP (2,4-dichlorophenoxy-propionic 
                             acid) 
50293              1,2,3,4  DDT-(1,1,1-trichloro-2,2-bis 
                              (p-chlorophenyl)ethane) 
50293              2        4,4-DDT; see DDT 
62737              3        DDVP; see Dichlorvos 
78488              4        DEF; see S,S,S Tributyl  
                             phosphorotrithioate 
2238075            3        DGE; see Diglycidyl ether 
68122              3        DMF; see N,N-Dimethylformamide 
57147              3        DMH; see Dimethylhydrazine (all  
                             isomers) 
81889              1        D&C Red No. 19; see Rhodamine B 
432034             1        Dacarbazine 
80080              1        Dapsone 
115902             4        Dasanit; see O,O-Diethyl O-[4- 
                             (methylsulfinyl) phenyl]  
                             phosphorothioate 
20830813           1        Daunomycin 
17702419           3        Decaborane 
8065483            3,4      Demeton 
298033             2        Demeton-O 
126750             2        Demeton-S 
123422             3        Diacetone alcohol; see 4-Hydroxy- 
                             4-methyl-2-pentanone 
613354             1        N,N'-Diacetylbenzidine 
10311849           4        Dialifor 
2303164            1        Diallate 
615054             1        2,4-Diaminoanisole 
39156417           1        2,4-Diaminoanisole sulfate 
92875              3        4,4'-Diaminobiphenyl; see Benzidine 
                              (and its salts) 
91941              3        4,4'Diamino-3,3'-dichlorobiphenyl; 
                             see Dichlorobenzidine and its salts 
101814             1        4,4'-Diaminodiphenyl ether 
107153             2,3      1,2-Diaminoethane; see Ethylenediamine 
95807              1        2,4-Diaminotoluene 
119904             1        ortho-Dianisidine; see 3,3-Dimethoxy- 
                             benzidine 
333415             2,3      Diazinon 
334883             1,3      Diazomethane 
226368             1        Dibenz [a,h]acridine 
224420             1        Dibenz [a,j]acridine 
53703              1,2      Dibenz [a,h]anthracene 
215587             1        Dibenz[a,c]anthracene 
224419             1        Dibenz[a,j]anthracene 
53703              2        1,2,5,6-Dibenzanthracene; see  
                             Dibenz[a,h] anthracene 
                   1,2      Dibenzanthracenes; see Polynuclear 
                             aromatic hydrocarbons 
194592             1        7H-Dibenzo [c,g]carbazole 
5385751            1        Dibenzo[a,e]fluoranthene 
192472             1        Dibenzo[h,rst]pentaphene 
192654             1        Dibenzo [a,e]pyrene 
189640             1        Dibenzo [a,h]pyrene 
189559             1        Dibenzo [a,i]pyrene 
191300             1        Dibenzo[a,l]pyrene 
92842              3        Dibenzothiazine; see Phenothiazine 
94360              3        Dibenzoyl Perozide; see Benzoyl 
                             peroxide 
19287457           3        Diborane 
300765             2        Dibrom; see O,O-Dimethyl O- 
                             (1,2-dibromo-2,2-dichloroethyl) 
                             phosphate 
96128              1,3      1,2-Dibromo-3-chloropropane 
75616              3        Dibromodifluoromethane 
106934             2,3      1,2-Dibromoethane; see Ethylene 
                             dibromide 
102818             3        2-(Dibutylamino) ethanol 
128370             1,3      2,6-Di-tert-butyl-p-cresol         7 
107664             3        Dibutyl phosphate 
84742              3        Dibutyl phthalate; see Phthalate esters 
84742              2        Di-n-butyl phthalate; see Phthaltate  
                             esters 
1918009            2,4      Dicamba 
1194656            2        Dichlobenil 
117806             2        Dichlone 
7572294            1,3      Dichloroacetylene 
541731             2        m-Dichlorobenzene 
106467             1,2,3    p-Dichlorobenzene 
95501              2,3      o-Dichlorobenzene 
95501              2        1,2-Dichlorobenzene; see o- 
                             Dichlorobenzene 
541731             2        1,3-Dichlorobenzene; see m- 
                             Dichlorobenzene 
106467             2        1,4-Dichlorobenzene; see p- 
                             Dichlorobenzene 
225321226          1,2,3    Dichlorobenzenes; see Chlorinated  
                             benzenes 
                   1,2,3    Dichlorobenzidine (and its salts) 
91941              1,2,3    3,3'-Dichlorobenzidine; see 
                             Dichlorobenzidene (and its salts) 
72548              2        1,1-Dichloro-2,2-bis(p-chlorophenyl) 
                             ethane; see TDE 
72559              2,4      1,1-Dichloro-2,2-bis 
                              (p-chlorophenyl) ethylene 
75274              2        Dichlorobromomethane; see 
                             Bromodichloromethane 
28434868           1        3,3'-Dichloro-4,4'-diaminodiphenyl 
                              ether 
75718              3        Dichlorodifluoromethane (FC-12) 
118525             3        1,3-Dichloro-5,5-dimethyl-hydantoin 
107062             1,2      1,2-Dichloroethane; see Ethylene  
                             dichloride 
75343              2,3      1,1-Dichloroethane; see Ethylidene   
                             chloride 
156605             2        1,2-trans-Dichloroethylene 
540590             2,3      1,2-Dichloroethylene; see Acetylene 
                             dichloride 
75354              2,3      1,1 Dichloroethylene; see Vinylidene 
                             chloride 
111444             ,1,3     Dichloroethyl ether; see Chloroaikyl 
                             ethers 
75092              3        Dichloromethane; see Methylene chloride 
75434              3        Dichloromonofluoromethane (FC-21) 
117806             2        Dichloronaphthoquinone; see Dichlone 
594729             3        1,1-Dichloro-1-nitroethane 
120832             2        2,4-Dichlorophenol 
94757              2,3,4    2,4-Dichlorophenoxyacetic acid; see 
                             2,4-D 
609201             1        2,6-Dichloro-para-phenylenediamine 
1836755            1,4      2,4-Dichlorophenyl p-nitrophenyl ether 
26638197, 78875,   1,2,3    Dichloropropanes 
142289, 78999 
78875              1,2      1,2-Dichloropropane; see  
                             Dichloropropanes 
8003198            2        Dichloropropene-dichloropropane 
                             (mixture) 
26952238, 542756,  1,2,3,4  Dichloropropenes 
78886 
709988             4        3,4-Dichloropropionanilide; see Propanil 
75990              2,3      2,2-Dichloropropionic acid 
8003198            2        1,2-Dichloropropylene 
76142              3        1,2-Dichloro-1,1,2,2-tetrafluoro-ethane 
                              (FC-114) 
62737              2        2,2-Dichlorovinyl dimethyl phosphate; 
                             see Dichlorvos 
62737              1,2,3    Dichlorvos 
102307, 99309      2        Dicloran 
115322             1,2      Dicofol; see 1,1-Bis(p-chlorophenyl)-2, 
                             2,2-trichloroethanol 
5124301            3        Dicyclohexylmethane-4,4'- diisocyanate 
77736              3        Dicyclopentadiene 
102545             3        Dicyclopentadienyl iron 
60571              1,2,3,4  Dieldrin 
84173              1        Dienestrol 
1464535            1        Diepoxybutane                     12 
111422             3        Diethanolamine 
109897             2,3      Diethylamine 
100378             3        2-(Diethylamino)ethanol 
12391              3        1,4-Diethylene dioxide; see p-Dioxane 
111400             3        Diethylenetriamine 
60297              3        Diethyl ether; see Ethyl ether 
298044             3        O,O-Diethyl S-2-(ethylthio)ethyl 
                             phosphorodithioate; see Disulfoton 
298022             3        O,O-Diethyl S-(ethylthio)methyl 
                             phosphorodithioate; see Phorate 
103231             1        Di(2-ethylehexyl)adipate 
117817             1        Di-(2-ethylhexyl) phthalate; see 
                             Phthalate esters 
1615801            1        1,2-Diethylhydrazine 
333415             3        O,O-Diethyl O-(2-isopropyl-6-methy- 
                             4-pyrimidinyl phosphorothioate; see 
                             Diazinon 
96220              3        Diethyl ketone 
115902, 115913     3,4      O,O-diethyl O-[4-(methylsufiny) 
                             phenyl] phosphorothioate  
                             (fensulfothion) 
56382              3        O,O-Diethyl O-(p-nitrophenyl) 
                             phosphorothioate; see Parathion 
84662              2,3      Diethyl phthalate; see Phthalate esters 
56531              1        Diethylstilbestrol 
64675              1        Diethyl sulfate 
75616              3        Difluorodibromomethane; see 
                             Dibromodifluoromethane 
2238075            3        Diglycidyl ether 
101906             1        Diglycidyl resorcinol ether 
1563662            2,3,4    2,3-Dihydro-2,2-dimethyl-7-benzo- 
                              furanyl methylcarbamate (carbofuran) 
94586              1        Dihydrosafrole 
123319             3        p-Dihydroxybenzene; see Hydroquinone 
108463             2        meta-Dihydroxybenzene; see Resorcinol 
794934             1        Dihydroxymethylfuratrizine 
108838             3        Diisobutyl ketone 
108189             3        Diisopropylamine 
108203             3        Diisopropyl ether; see Isopropyl ether 
828002             1        Dimethoxane 
119904             1        3,3'-Dimethoxybenzidine 
91930              1        3,3'-Dimethoxybenzidine-4,4'- 
                             diisocyanate 
109875             3        Dimethoxymethane; see Methylal 
6923224            3,4      3-(Dimethoxyphosphinyloxy)-N- 
                              methyl-cis-crotonamide 
                              (Monocrotophos) 
127195             3        N,N-Dimethylacetamide 
124403             2,3      Dimethylamine 
60117              1,3      4-Dimethylaminoazobenzene 
1300738            3        Dimethylaminobenzene; see Xylidine 
55738540           1        trans-2-[(Dimethylamino) methylimino] 
                             -5-[2-(5-nitro-2-furyl)vinyl]- 
                              1,3,4-oxadiazole 
121697             3        N,N-Dimethylaniline 
108383             2,3      Dimethylbenzene; see Xylene, all isomers 

119937             1        3,3'-Dimethylbenzidine 
108849             3        1,3-Dimethylbutyl acetate; see sec- 
                             Hexyl acetate 
79447              1        Dimethylcarbamoyl chloride 
300765             2,3      0,0-Dimethyl 0-(1,2-dibromo-2, 
                              2-dichloroethyl) phosphate (Naled) 
121755             3        O,O-Dimethyl S-(1,2- 
                             dicarboethoxyethyl)  
                             phosphorodithioate; see Malathion 
8022002            3        O,O-Dimethyl O-(2-(ethylthio)-ethyl) 
                             phosphorothioate and O,O-Dimethyl 
                             S-(2-(ethylthio)-ethyl) phosphoro- 
                             thioate mixture; see Methyl demeton 
68122              3        N,N-Dimethylformamide 
108838             3        2,6-Dimethyl-4-heptanone; see 
                             Diisobutyl ketone 
540738             1        1,2-Dimethylhydrazine 
57147, 540738      1,3      Dimethylhydrazine (all isomers) 
67641              3        Dimethyl ketone; see Acetone 
115902, 115913     3,4      0,0-Dimethyl 0-[p-(methylsulfinyl) 
                            -phenyl]phosphorothioate 
                              (fensulfothion) 
55389              3        O,O-dimethyl O-[3-methyl-4           
                             (methylthio) phenyl]  
                             phosphorothioate; see Fenthion 
298000             3        O,O-Dimethyl O-(p-nitrophenyl) 
                             phosphorothioate; see Methyl  
                             parathion 
62759              1,3      N,N-Dimethylnitrosamine; see 
                             N-Nitrosodimethylamine 
86500              2,3,4    0,0-Dimethyl S-(4-oxo-benzotri- 
                              azino-3-methyl) phosphorodithioate 
                              (Azinphos methyl) 
105679             2        2,4-Dimethylphenol 
1300716            2        Dimethylphenol; see Xylenol 
121697             3        Dimethylphenylamine; see N,N- 
                             Dimethylaniline 
10265926           4        0,S-Dimethyl phosphoramidothioate 
950378             4        0,0-Dimethyl phosphorodithioate, S- 
                              ester with 4-(mercaptomethyl)-  
                             2-methoxy-02-1,3,4- 
                             thiadiazolin-5-one 
77781              2,3      Dimethyl phthaltate; see Phthalate esters 
77781              1,3      Dimethyl sulfate 
299843             2,3      O,O-Dimethyl  
                             O-(2,4,5-trichlorophenyl)  
                             phosphorothioate; see Ronnel 
148016             3        Dinitrolmide; see 3,5-Dinitro-o- 
                             toluamide 
25154545, 99650,   2,3      Dinitrobenzenes, all isomers 
100254, 528290 
25154545           2        Dinitrobenzol; see Dinitrobenzenes, all 
                             isomers 
534521             2,3,4    4,6-Dinitro-o-cresol 
534521             2        Dinitrocresol; see Nitrophenols, all  
                             isomers 
51285              2,4      2,4-Dinitrophenol; see Dinitrophenols 
51285, 329715,     2,4      Dinitrophenols 
573568 
42397648           1        1,6-Dinitropyrene 
43977659           1        1,8-Dinitropyrene 
148016             3        3,5-Dinitro-o-toluamide 
606202             2        2,6-Dinitrotoluene 
121142             2        2,4-Dinitrotoluene 
25321146, 121142,  2,3      Dinitrotoluenes, all isomers 
121142, 606202, 
610399, 602017, 
619518 
88857              4        Dinoseb 
117840             2        Di-n-octyl phthalate 
117817             3        Di-sec-octyl phthalate; see Phthalate 
                              esters 
123911             3        1,4-Dioxacyclohexane; see p-Dioxane 
123911             1,3      p-Dioxane 
123911             1        1,4-Dioxane; see p-Dioxane 
78342              3,4      2,3-p-Dioxanedithiol S,S-bis (0,0- 
                              diethyl phosphorodithioate) 
                             (dioxathion) 
78342              3,4      Dioxathion; see 2,3-p-Dioxanedithiol 
                             S,S-bis (O,O-diethyl 
                             phosphorodithioate) 
92524              3        Diphenyl; see Biphenyl 
122394             3        Diphenylamine 
57410              1        Diphenylhydantoin (Phenytoin) 
630933             1        Diphenylhydantoin (Phenytoin), sodium 
                             salt 
38622183           2        Diphenylhydrazine 
122667             2        1,2-Diphenylhydrazine; see  
                             Hydrazobenzene 
101688             3        Diphenylmethane diisocyanate; see  
                             Methylene bis(4-phenylisocyanate) 
34590948           3        Dipropylene glycol monomethyl ether 
123193             3        Dipropyl ketone 
85007, 2764729     2,3      Diquat 
1937377            1        Direct Black 38 (technical grade) 
2602462            1        Direct Blue 6 (technical grade) 
16071866           1        Direct Brown 95 
2475458            1        Disperse Blue 1 
97778              3        Disulfiram 
298044             2,3,4    Disulfoton 
298044             2,4      Disyston; see Disulfoton 
1189851            3        Di-tert-butyl chromate; see Chromium  
                             compounds 
330541             2,3      Diuron 
108576             3        Divinyl benzene 
27176870           2        Dodecylbenzenesulfonic acid        9 
23214928           1        Doxorubicin hydrochloride; see  
                             Adriamycin 
60004              2        EDTA 
115297             2,3,4    Endosulfan 
959988             2        alpha-Endosulfan 
33213659           2        beta-Endosulfan 
1031078            2        Endosulfan-sulfate 
72208              2,3,4    Endrin 
7421934            2        Endrin aldehyde 
106898             1,2,3    Epichlorohydrin                   12 
2104645            3,4      EPN 
106876             1        1-Epoxyethyl-3,4-epixycyclohexane; 
                             see Vinyl cyclohexene dioxide 
4016142            3        1,2-Epoxy-3-isopropoxypropane; 
                             see Isopropyl glycidyl ether 
141377             1        3,4-Epoxy-6-methylcyclohexyimethyl- 
                             3,4-epoxy-6-methylcyclohexane  
                             carboxylate 
122601             3        1,2-Epoxy-3-phenoxypropane; see 
                             Phenyl glycidyl ether 
75569              3        1,2-Epoxypropane; see Propylene oxide 
556525             3        2,3-Epoxypropanol; see Glycidol 
12510428           1        Erionite 
75058              3        Ethanenitrile; see Acetonitrile 
75081              3        Ethanethiol; see Ethyl mercaptan 
64175              1,3      Ethanol; see Ethyl alcohol 
141435             3        Ethanolamine 
463514             3        Ethenone; see Ketene 
57636              1        Ethinyloestradiol 
563122             2,3,4    Ethion 
536334             1        Ethionamide 
110805             3        2-Ethoxyethanol; see Ethylene glycol 
                             monoethyl ether 
111159             3        2-Ethoxyethanol acetate; see Ethylene 
                             glycol monoethyl ether acetate 
141786             3        Ethyl acetate 
140885             1,3      Ethyl acrylate 
64175              1,3      Ethyl alcohol                     13 
75047              2,3      Ethylamine 
541855             3        Ethyl sec-amyl ketone 
100414             2,3      Ethylbenzene 
74964              3        Ethyl bromide 
106354             3        Ethyl butyl ketone 
75003              3        Ethyl chloride 
510156             1        Ethyl-4,4'-dichlorobenzilate; see 
                             Chlorobenzilate 
13194484           4        0-Ethyl S,S-dipropyl phosphorodithioate 
                              (ethoprop) 
85007              3        1,1'-Ethylene-2,2'-bipyridinium 
                             dibromide; see Diquat 
107073             3        Ethylene chlorohydrin 
107153             2,3      Ethylenediamine 
106934             1,2,3,4,5Ethylene dibromide                33 
107062             1,2,3,4  Ethylene dichloride 
107211             3        Ethylene glycol                   14 
628966             3        Ethylene glycol dinitrate 
111762             2,3      Ethylene glycol monobutyl ether 
110805             3,5      Ethylene glycol monoethyl ether 
111159             3,5      Ethylene glycol monoethyl ether acetate 
109864             3,5      Ethylene glycol monomethyl ether 
110496             3,5      Ethylene glycol monomethyl ether acetate 
151564             1,3      Ethyleneimine 
75218              1,2,3,5  Ethylene oxide                    12 
420122             1        Ethylene sulphide 
96457              1        Ethylenethiourea 
79016              2        Ethylene trichloride; see Trichlorethylene 
60297              3        Ethyl ether 
109944             3        Ethyl formate 
75343              3        Ethylidene chloride 
16219753           3        Ethylidene norbornene 
75081              3        Ethyl mercaptan 
62500              1        Ethyl methanesulphonate 
563122             2        Ethyl methylene; see Ethion 
78933              3        Ethyl methyl ketone; see 2-Butanone 
22224926           3,4      Ethyl 3-methyl-4-(methylthio)-phenyl 
                              (1-methylethyl) phosphoramidate 
100743             3        N-Ethylmorpholine 
2104645            3        O-Ethyl O-(p-nitrophenyl) 
                             phenylphosphonothioate; see EPN 
759739             1        N-Ethyl-N-Nitrosourea; see N-Nitroso- 
                             N-ethylurea 
56382              2,4      Ethyl parathion; see Parathion 
78104              3        Ethyl silicate 
100743             3        4-Ethyl-1,4-tetrahydrooxazine; see 
                             N-Ethylmorpholine 
110805             3        2-Ethyoxyethanol; see Ethylene glycol 
                             monoethyl ether 
97530              1        Eugenol 
314136             1        Evans blue 
2353459            1        Fast Green FCF 
22224926           3,4      Fenamiphos; see Ethyl-3-methyl-4 
                             (methylthio)phenyl (1-methylethyl) 
                             phosphoramidate 
115902             3        Fensulfothion; see O,O-Diethyl O- 
                             [4-(methylsulfinyl)phenyl]  
                             phosphorothioate 
55389              3        Fenthion  
101428             2        Fenuron 
4482557            2        Fenuron-TCA 
14484641           3,4      Ferbam 
1185575            2        Ferric ammonium citrate; see Iron salts, 
                             soluble 
2944674            2        Ferric ammonium oxalate; see Iron salts, 
                             soluble 
7705080            2        Ferric chloride; see Iron salts, soluble 
14484641           3        Ferric N,N-dimethylthiocarbamate; 
                             see Ferbam 
7783508            2        Ferric fluoride; see Iron salts, soluble 
10421484           2        Ferric nitrate; see Iron salts, soluble 
10028225           2        Ferric sulfate; see Iron salts, soluble 
10045893           2        Ferrous ammonium sulfate; see Iron salts, 
                             soluble 
7758943            2        Ferrous chloride; see Iron salts, soluble 
7720787            2        Ferrous sulfate; see Iron salts, soluble 
12604589           3        Ferrovanadium dust                 3 
206440             2        Fluoranthene 
53963              3        n-Fluoren-2-yl-acetamide; see 2- 
                             Acetylamino-fluorene 
                   2,3      Fluoride, and inorganic fluoride 
                              compounds 
7782414            2,3      Fluorine 
640197             4        Fluoroacetamide/1081 
75694              3        Fluorocarbon 11; see  
                             Fluorotrichlormethane 
75718              3        Fluorocarbon 12; see  
                             Dichlorodifluoromethane 
75434              3        Fluorocarbon 21; see 
                             Dichloromonofluoromethane 
75456              3        Fluorocarbon 22; see  
                             Chlorodifluoromethane 
76120              3        Fluorocarbon 112; see 1,1,2,2- 
                             Tetrachloro-1,2-difluoroethane 
76131              3        Fluorocarbon 113; see 1,1,2- 
                             Trichloro-1,2,2-trifluoroethane 
76142              3        Fluorocarbon 114; see  
                             1,2-Dichloro-1,1,2,2- 
                             tetrafluoroethane 
75694              3        Fluorotrichloromethane 
150505             4        Folex; see s,s,s-Tributyl  
                             phosphorotritthioite 
133073             4        Folpet 
944229             3,4      Fonofos 
50000              1,2,3    Formaldehyde 
75127              3        Formamide 
64186              2,3      Formic acid 
3570750            1        2-(2-Formylhydrazino)-4-(5- 
                              nitro-2-furyl) thiazole 
110178             2        Fumaric acid                      15 
6164983            4        Fundal; see Chlordimeform 
98011              2        2-Furaldehyde; see Furfural 
98011              2,3      Furfural 
98000              3        Furfuryl alcohol 
6164983            4        Galecron; see Chlordimeform 
8006619            3        Gasoline                          16 
7782652            3        Germanium tetrahydride 
                   3        Glass, fibrous or dust            38 
67730114           1        Glu-P-1 (2-Amino-6- 
                             methyldipyrido[1,2-a:3',2'- 
                             d]imidazole 
67730103           1        Glu-P-2 (2-Aminodipyrido[1,2-a:3',2' 
                             -d]imidazole) 
111308             3        Glutaraldehyde 
765344             1        Glycidaldehyde 
556525             3        Glycidol                          12 
7782425            3        Graphite                          17 
126078             1        Griseofulvin 
4680788            1        Guinea Green B 
86500              2        Guthion; see O,O-Dimethyl S-(4- 
                             oxobenzotriazino-3-methyl) 
                             phosphorodithioate 
16568028           1        Gyromitrin (Acetaldehyde 
                             methylformylhydrazone) 
822060             3        HDI; see Hexamethylene diisocyanate 
7440586            3        Hafnium 
                   2        Haloethers (other than those listed else- 
                              where, includes chloro-phenylphenyl  
                             ethers, bromophenylphenyl ether, 
                              bis(dichloroisopropyl) ether, bis 
                              (chloroethoxy) methane and  
                             polychlorinated diphenyl ethers) 
                   2        Halomethanes 
2784943                     HC Blue 1 
76448              1,2,3,4  Heptachlor 
1024573            2        Heptachlor epoxide 
76448              3        1,4,5,6,7,8,8,-Heptachloro-3a, 
                             4,7,7a-tetrahydro-4,7- 
                             methanoindene; see Heptachlor  
142845             3        n-Heptane 
106354             3        3-Heptanone; see Ethyl butyl ketone 
110430             3        2-Heptanone; see Methyl n-amyl ketone 
118741             1,2      Hexachlorobenzene; see Benzene 
                             hexachloride 
87683              1,2,3    Hexachlorobutadiene 
608731             2        Hexachlorocyclohexane 
                   1        Hexachlorocyclohexanes 
77474              2,3      Hexachlorocyclopentadiene 
72208              3        1,2,3,4,10,10-Hexachloro-6,7-epoxy-, 
                             1,4,4a,5,6,7,8,8a-octahydro-1,4,- 
                             endo-endo-5,8-dimethano  
                             naphthalene and methabolites; see 
                             Endrin 
60571              3        1,2,3,4,10,10-Hexachloro-6,7-epoxy- 
                             1,4,4a,5,6,7,8,8a-octahydro-1,4,- 
                             endo-exo-5,8-dimethanonaphtha- 
                             lene; see Dieldrin 
67721              1,2,3    Hexachloroethane 
115297             3        6,7,8,9,10,10-Hexachloro- 
                             1,5,5a,6,9,9a-hexahydro-6,9- 
                             methano-2,4,3-benzodioxathiepin- 
                             3-oxide; see Endosulfan 
309002             3        1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a- 
                             hexahydro-endo-1,2-exo-5,8-di- 
                             methanonaphthalene; see Aldrin 
1335871            2,3      Hexachloronaphthalene 
70304              2        Hexachlorophene (HCP) 
684162             3        Hexafluoroacetone 
684162             3        1,1,1,3,3,3,-Hexafluoro-2-propanone; 
                             see Hexafluoroacetone 
822060             3        Hexamethylene diisocyanate 
680319             1        Hexamethylphosphoramide 
                   3        Hexane (all isomers) 
591786             3        2-Hexanone; see Methyl n-butyl ketone 
108101             3        Hexone; see Methyl isobutyl ketone 
108849             3        sec-Hexyl acetate 
107415             3        Hexylene glycol 
86544              1        Hydralazine 
302012             1,3      Hydrazine 
10035106           3        Hydrobromic acid; see Hydrogen 
                             bromide 
7647010            2,3      Hydrochloric acid; see Hydrogen chloride 
74908              2,3,4    Hydrocyanic acid; see Hydrogen cyanide 
7664393            2,3      Hydrofluoric acid; see Hydrogen fluoride 
1333740            3        Hydrogen  
5124301            3        Hydrogenated MDI; see                
                             Dicyclohexylmethane-4,4'- 
                             diisocyanate 
                   3        Hydrogenated terphenyls 
10035106           3        Hydrogen bromide 
7647010            2,3      Hydrogen chloride 
74908              2,3,4    Hydrogen cyanide 
7664393            2,3      Hydrogen fluoride 
7722841            1,3      Hydrogen peroxide 
7783075            2        Hydrogen selenide; see Selenium and 
                             selenium compounds 
7783064            2,3      Hydrogen sulfide 
123319             3        Hydroquinone 
141662             3,4      3-Hydroxy-N,N-dimethyl-cis-croto- 
                              namide dimethyl phosphate 
                              (dicrotophos) 
6923224            3        3-Hydroxy-N-methyl-cis-crotonamide 
                             dimethyl phosphate; see 3- 
                             (Dimethoxyphosphinyloxy)-N- 
                             methyl-ciscrotonamide 
123422             3        4-Hydroxy-4-methyl-2-pentanone 
999611             3        Hydroxypropyl acrylate 
4016142            3        IGE; see Isopropyl glycidyl ether 
4098719            3        IPDI; see Isophorone diisocyanate 
76180966           1        IQ; (2-Amino-3- 
                             methylimidazo[4,5-f]quinoline) 
95316              3        Indene 
193395             1,2      Indeno(1,2,3-cd)pyrene 
                   2,3      Indium and indium compounds 
7553562            3        Iodine 
75478              3        Iodoform 
7439896            2        Iron 
9004664            1        Iron dextran 
8050939            1        Iron-dextrin complex 
1309371            3        Iron oxide fume 
13463406           3        Iron pentacarbonyl 
                   2,3      Iron salts, soluble               18 
15503863           1        Isatidine 
12392              3        Isoamyl acetate; see Amyl acetate 
123513             3        Isoamyl alcohol 
110190             3        Isobutyl acetate (2-methylpropyl acetate) 
78831              3        Isobutyl alcohol 
78819              2        Isobutylamine; see Butylamine, all  
                             isomers 
54853              1        Isonicotinic acid hydrazide (Isoniazid) 
26952216           3        Isooctyl alcohol 
78591              2,3      Isophorone 
4098719            3        Isophorone diisocyanate 
3778732            1        Isophosphamide 
78795              2        Isoprene 
42504461           2        Isopropanolamine dodecyl- 
                             benzenesulfonate                  9 
109591             3        Isopropoxyethanol 
114261             3        2-Isopropoxyphenyl N-methylcarbamate 
                             (propoxur) 
108214             3        Isopropyl acetate 
67630              1,3      Isopropyl alcohol 
75310              3        Isopropylamine 
643287             3        N-Isopropylaniline 
98828              3        Isopropylbenzene; see Cumene 
108203             3        Isopropyl ether 
4016142            3        Isopropyl glycidyl ether          12 
120581             1        Isosafrole 
115322             2        Kelthane; see 1,1-Bis(p-chlorophenyl)- 
                             2,2,2-trichloroethanol 
143500             1,2      Kepone; see Chlordecone 
463514             3        Ketene 
16752775           4        Lannate; see S-Methyl N-((methyl 
                             carbamoyl)oxy)-thioacetimidate 
303344             1        Lasiocarpine 
7439921            1,2,3    Lead                               3 
301042             2        Lead acetate; see Lead compounds 
7784409, 7645252,  2,3      Lead arsenate; see Lead compounds 
10102480 
7758954            2        Lead chloride; see Lead compounds 
7758976            3        Lead chromate; see Chromium  
                             compounds 
                   1,2,3    Lead compounds 
13814965           2        Lead fluoborate; see Lead compounds 
7783462            2        Lead fluoride; see Lead compounds 
10101630           2        Lead iodide; see Lead compounds 
10099748           2        Lead nitrate; see Lead compounds 
7446277            1        Lead phosphate; see Lead compounds 
7428480, 1072351,  2        Lead stearate; see Lead compounds 
52652592 
1335326            1        Lead subacetate; see Lead compounds 
7446142            2        Lead sulfate; see Lead compounds 
1314870            2        Lead sulfide; see Lead compounds 
78002              2,3      Lead tetraethyl; see Lead compounds 
75741              3        Lead tetramethyl; see Lead compounds 
592870             2        Lead thiocyanate; see Lead compounds 
5141208            1        Light Green SF 
58899              2,3,4    Lindane and other  
                             Hexachlorocyclohexane isomers 
330552             2        Linuron 
14307358           2        Lithium chromate; see Chromate 
                             compounds 
7580678            3        Lithium hydride 
21884446           1        Luteoskyrin 
101144             3        MBOCA; see 4,4'-Methylene bis(2- 
                             chloroaniline) 
94746              4        MCPA (2-methyl-4-chloro- 
                             phenoxyacetic acid) 
101779             3        MDA; see 4,4'-Methylene dianiline 
101688             3        MDI; see Methylene  
                             bis(4-phenylisocyanate) 
68006837           1        MeA-a-C (2-Amino-3-methyl-9H- 
                             pyrido [2,3-b]indole) 
78933              3        MEK; see 2-Butanone 
101144             1        MOCA; see 4,4'-Methylene  
                             bis(2-chloroaniline) 
                   1        MOPP 
7439954            2        Magnesium 
1309484            3        Magnesium oxide                    3 
121755             2,3      Malathion 
110167             2        Maleic acid 
108316             2,3      Maleic anhydride 
7439965            2,3      Manganese                          3 
                   3        Manganese compounds 
12079651           3        Manganese, cyclopentadienyl- 
                              tricarbonyl 
1317537            3        Manganese tetroxide; see 
                             Manganese compounds 
551746             1        Mannomustine 
71589              1        Medroxyprogesterone acetate 
148823             1        Melphalan 
2032657            2        Mercaptodimethur 
592041             2        Mercuric cyanide; see Mercury  
                             and mercury compounds 
10045940           2        Mercuric nitrate; see Mercury  
                             and mercury compounds 
7783359            2        Mercuric sulfate; see Mercury  
                             and mercury compounds 
592858             2        Mercuric thiocyanate; see Mercury  
                             and mercury compounds 
7782867            2        Mercurous nitrate; see Mercury  
                             and mercury compounds 
                   2,3,4    Mercury and mercury compounds 
531760             1        Merphalan 
108678             3        Mesitylene; see Trimethylbenzene  
                             (all isomers) 
141797             3        Mesityl oxide 
72333              1        Mestranol 
2032657            2        Mesurol; see Mercaptodimethur 
79414              3        Methacrylic acid 
74931              2,3      Methanethiol; see Methyl mercaptan 
67561              3        Methanol; see Methyl alcohol 
2032657            2        Methiocarb; see Mercaptodimethur 
16752775           3,4      Methomyl; see 5-Methyl  
                             N-[(methylcarbamoyl)oxy]- 
                             thioacetanide 
298817             1        Methoxsalen (with ultraviolet therapy) 
72435              2,3      Methoxychlor 
109864             3        2-Methoxyethanol; see Ethylene  
                             glycol monomethyl ether 
110496             3        2-Methoxyethyl acetate; see Ethylene  
                             glycol monomethyl ether acetate 
150765             3        4-Methoxyphenol 
484208                      5-Methoxypsoralen 
298817             1        8-Methoxypsoralen; see Methoxsalen 
79209              3        Methyl acetate 
74997              3        Methyl acetylene 
                   3        Methyl acetylene-propadiene mixture 
123739             3        beta-Methylacrolein; see  
                             Crotonaldehyde 
96333              3        Methyl acrylate 
126987             3        alpha-Methylacrylonitrile 
109875             3        Methylal 
67561              3        Methyl alcohol                    30 
74895              2,3      Methylamine 
108112             3        Methyl amyl alcohol; see  
                             Methyl isobutyl carbinol 
110430             3        Methyl n-amyl ketone 
                   1        5-Methylangelicin 
100618             3        N-Methylaniline 
95534              1,3      o-Methylaniline 
75558              1,3      2-Methylaziridine 
590965             1        Methylazoxymethanol 
592621             1        Methylazoxymethyl acetate 
74839              1,2,3,4  Methyl bromide 
78795              2        2-Methyl-1,3-butadiene; see Isoprene 
123513             3        3-Methylbutanol; see Isoamyl alcohol 
123922             3        3-Methylbutyl acetate; see  
                             Amyl acetate, all isomers 
591786             3        Methyl n-butyl ketone 
13909096           1        Methyl-CCNU; see  
                             1-(2-Chloroethyl)-3-(4- 
                             methylcyclohexyl)-1-nitrosourea 
109864             5        Methyl CellosolveRegistered; see  
                             Ethylene glycol monomethyl ether 
74873              2,3      Methyl chloride 
71556              2,3      Methyl chloroform 
107302             1,3      Methyl chloromethyl ether         31 
3351324            1        2-Methylchrysene 
3351313            1        3-Methylchrysene 
3351302            1        4-Methylchrysene 
3697243            1        5-Methylchrysene 
1705857            1        6-Methylchrysene 
75058              3        Methyl cyanide; see Acetonitrile 
137053             3        Methyl 2-cyanoacrylate 
108872             3        Methylcyclohexane 
1331233, 591231,   3        Methylcyclohexanol, all isomers 
583595, 25639423 
583608             3        o-Methylcyclohexanone 
12108133           3        2-Methylcyclopentadienyl  
                             manganese tricarbonyl 
8022002            3        Methyl demeton 
534521             2,3      2-Methyl-4,6-dinitrophenol; 
                             see 4,6-Dinitro-O-cresol 
99809              1        N-Methyl-N,4-Dinitrosoaniline 
75092              1,2,3,5  Methylene chloride 
101144             1,3      4,4'-Methylene bis(2-chloroaniline) 
5124301            3        Methylene bis(4-cyclohexylisocyanate); 
                             see Dicyclohexylmethane- 
                             4,4'-diisocyanate 
101611             1        4,4'-Methylene  
                             bis(N,N-dimethyl)benzenamine 
838880             1        4,4'-Methylene  bis(2-methylaniline) 
101688             3        Methylenebis(4-phenyl isocyanate) 
101779             1,3      4,4'-Methylenedianiline 
13552448                    4,4'-Methylenedianiline  
                             dihydrochloride 
78933              3        Methyl ethyl ketone; see 2-Butanone 
1338234            3        Methyl ethyl ketone peroxide 
33543316           1        2-Methylfluoranthene 
107313             3        Methyl formate 
541855             3        5-Methyl-3-heptanone; see  
                             Ethyl sec-amyl ketone 
60344              3        Methyl hydrazine 
74884              1,3      Methyl iodide 
110123             3        Methyl isoamyl ketone 
108112             3        Methyl isobutyl carbinol 
108101             3        Methyl isobutyl ketone 
624839             3        Methyl isocyanate 
563804             3        Methyl isopropyl ketone 
74931              2,3      Methyl mercaptan 
80626              2,3      Methyl methacrylate 
66273              1        Methyl methanesulfonate 
16752775           3,4      S-Methyl N-[(methylcarbamoyl)oxy]- 
                              thioacetamidate 
                              (Methomyl) 
80626              2,3      Methyl 2-methyl-2-propenoate;  
                             see Methyl methacrylate 
129157             1        2-Methyl-1-nitroanthraquinone 
70257              1        N-Methyl-N'-nitro-N-nitroso- 
                              guanidine 
684935             1        N-Methyl-N-Nitrosourea; see  
                             N-Nitroso-N-methylurea 
615532             1        N-Methyl-N-Nitrosourethane;  
                             see N-Nitroso-N-methylurethane 
298000             2,3,4    Methyl parathion 
108112             3        4-Methyl-2-pentanol; see  
                             Methyl isobutyl carbinol 
141797             3        4-Methyl-3-pentene-2-one;  
                             see Mesityl oxide 
108849             3        4-Methyl-2-pentyl acetate; see  
                             sec-Hexyl acetate 
98839              3        1-Methyl-l-phenylethene; see  
                             alpha Methylstyrene 
78831              3        2-Methylpropanol; see Isobutyl alcohol 
110190             3        2-Methylpropyl acetate; see  
                             Isobutyl acetate 
107879             3        Methyl propyl ketone; see 2-Pentanone 
54115              3        1-Methyl-2-(3-pyridyl)  
                             pyrrolidine; see Nicotine 
681845             3        Methyl silicate 
98839              3        alpha-Methylstyrene 
77781              3        Methyl sulfate; see Dimethyl sulfate 
58184              1        Methyl testosterone 
56042              1        Methylthiouracil 
484208             1        5-Methyoxypsoralen 
443481             1        Metronidazole 
7786347            2,3,4    Mevinphos; see  
                             alpha-2-Carbomethoxy-1- 
                             methylvinyl dimethyl phosphate 
315184             2        Mexacarbate 
12001262           3        Mica                              19 
                   3        Mineral wool fiber 
2385855            1,2      Mirex 
50077              1        Mitomycin C 
13194484           4        Mocap; see O-Ethyl S,S  
                             dipropyl phosphorodithioate 
2212671            4        Molinate 
7439987            2,3      Molybdenum                         3 
                   3        Molybdenum compounds              20 
10265926           4        Monitor; see O,S-Dimethyl  
                             phosphoramidothioate 
108907             2,3      Monochlorobenzene; see  
                             Chlorinated benzenes 
315220             1        Monocrotaline 
6923224            3,4      Monocrotophos; see 3- 
                             (Dimethoxyphosphinyloxy)-N- 
                             methyl-cis-crotonamide 
75047              2        Monoethylamine; see Ethylamine 
74895              2        Monomethylamine; see  
                             Methylamine 
100618             3        Monomethylaniline; see  
                             N-Methylaniline 
60344              3        Monomethyl hydrazine; see  
                             Methyl hydrazine 
150685             1,2      Monuron 
140410             2        Monuron-TCA 
110918             3        Morpholine 
139913             1        5-(Morpholinomethyl)-3- 
                             [(5-nitrofurfurylidene)-amino] 
                             -2-oxazolidinone 
7647010            2        Muriatic acid; see Hydrogen chloride 
505602             1        Mustard Gas 
25551284           3        NDI; see Naphthalene diisocyanate 
139139             2        NTA; see Nitrilotriacetic acid 
3771195            1        Nafenopin 
300765             3        Naled; see O,O-Dimethyl O- 
                             (1,2-dibromo-2,2 dichloroethyl)  
                             phosphate 
8030317            3        Naphtha, coal tar 
91203              2,3      Naphthalene 
2243621            1        1,5-Naphthalenediamine 
25551284           3        Napthalene diisocyanate 
1338245            2        Naphthenic acid 
134327             3        1-Naphthylamine; see  
                             alpha-Naphthylamine 
91598              1        2-Naphthylamine; see  
                             beta-Naphthylamine 
134327             3        alpha-Naphthylamine 
91598              1,3      beta-Naphthylamine                31 
63252              3        1-Naphthyl N-methylcarbamate;  
                             see Carbaryl 
86884              3        1-(1-Naphthyl)-2-thiourea 
22224926           4        Nemacur; see Ethyl 3-methyl- 
                             4-(methylthio) phenyl  
                             (1-methyl ethyl) phosphoramidate 
563122             2        Nialate; see Ethion 
7440020            1,2,3    Nickel                             3 
15699180           2        Nickel ammonium sulfate;  
                             see Nickel compounds 
13463393           3        Nickel carbonyl; see Nickel compounds 
37211055           2        Nickel chloride; see Nickel compounds 
7718549            1,2,3    Nickel compounds 
12054487           2        Nickel hydroxide; see Nickel compounds 
14216752           2        Nickel nitrate; see Nickel compounds 
12035722           1        Nickel subsulphide; see  
                             Nickel compounds 
778614             2        Nickel sulfate; see Nickel compounds 
54115              3,4      Nicotine 
56382              2        Niran; see Parathion 
61574              1        Niridazole 
139946             1        Nithiazide 
1929824            3        Nitrapyrin; see 2-Chloro- 
                             6-(trichloromethyl) pyridine 
7697372            2,3      Nitric acid 
10102439           3        Nitric oxide 
139139             2        Nitrilotriacetic acid 
602879             1        5-Nitroacenaphthene 
100016             3        p-Nitroaniline 
99592              1        5-Nitro-o-anisidine 
98953              2,3      Nitrobenzene 
100005             3        p-Nitrochlorobenzene 
7496028            1        6-Nitrochrysene 
92933              3        4-Nitrodiphenyl                   31 
79243              3        Nitroethane 
1836755            1        Nitrofen (technical grade); see  
                             2,4-Dichlorphenyl p-nitrophenyl ether 
607578             1        2-Nitrofluorene 
59870              1        Nitrofurazone 
555840             1        1-[(5-Nitrofurfurylidene)-amino]-2- 
                             imidazolidinone 
531828             1        N-4-[(5-Nitro-2-furyl)- 2-thiazolyl] 
                              acetamide 
10102440           2,3      Nitrogen dioxide 
51752, 55867       1        Nitrogen mustard and its hydrochloride 
302705, 126852     1        Nitrogen mustard N-oxide and its 
                              hydrochloride 
10102440           2,3      Nitrogen tetroxide; see Nitrogen dioxide 
7783542            3        Nitrogen trifluoride 
55630              3        Ntroglycerin 
75525              3        Nitromethane 
25154556, 554847,  2        Nitrophenols, all isomers 
88755, 100027 
79469              1,3      2-Nitropropane; see Nitropropanes 
108032, 794691     3        Nitropropanes 
57835924           1        4-Nitropyrene 
5522430            1        1-Nitropyrene 
                   2        Nitrosamines 
1133648            1        N'-Nitrosoanabasine 
924163             1        N-Nitroso-di-n-butylamine 
1116547            1        N-Nitrosodiethanolamine 
55185              1        N-Nitrosodiethylamine 
62759              1,2,3    N-Nitrosodimethylamine 
86306              1,2      N-Nitrosodiphenylamine 
621647             1,2      N-Nitroso-di-n-propylamine 
759739             1        N-Nitroso-N-ethylurea 
60153493           1        3-(N-Nitrosomethylamino)propionitrile 
64091914           1        4-(N-Nitrosomethylamino)-1- 
                             (3-pyridyl)-1-butanone (NNK) 
10595956           1        N-Nitrosomethylethylamine 
684935             1        N-Nitroso-N-methylurea 
615532             1        N-Nitroso-N-methylurethane 
4549400            1        N-Nitrosomethylvinylamine 
59892              1        N-Nitrosomorpholine 
16543558           1        N-Nitrosonornicotine 
100754             1        N-Nitrosopiperidine 
930552             1        N-Nitrosopyrrolidine 
13256229           1        N-Nitrososarcosine 
1321126, 88722,    2,3      Nitrotoluenes 
99081, 99990 
76062              3        Nitrotrichloromethane; see  
                             Chloropicrin 
10024972           3        Nitrous oxide 
111842             3        Nonane 
68224              1        Norethisterone 
51989              1        Norethisterone acetate 
2698411            3        OCBM; see  
                             O-Chlorobenzylidine malonitrile 
152169             4        OMPA; see Schradan 
303479             1        Ochratoxin A 
2234131            2,3      Octachloronaphthalene 
57749              3        1,2,4,5,6,7,8,8-Octachloro 
                             3a,4,7,7a,-tetrahydro-4,7- 
                             methanoindane; see Chlordane 
111659             3        Octane 
50282              1        Oestradiol-17B 
22966796           1        Oestradiol mustard 
                   1        Oestrogens, steroidal 
                   1        Oestrogens, nonsteroidal 
53167              1        Oestrone 
                   1,2,3    Oil mist, particulate             21 
2646175            1Oil orange SS 
                   1Oral contraceptives, certain  
                     Oestrogen-progestin combinations 
20816120           3        Osmium tetroxide 
144627             3        Oxalic acid 
604751             1        Oxazepam 
301122             4        Oxydemetonmethyl 
7783417            3        Oxygen difluoride 
10028156           3        Ozone                             22 
                   1,2,3    PCB; see Polychlorobiphenyls 
12674112           2        PCB-1016; see Polychlorobiphenyls 
11104282           2        PCB-1221; see Polychlorobiphenyls 
11141165           2        PCB-1232; see Polychlorobiphenyls 
53469219           2        PCB-1242; see Polychlorobiphenyls 
12672296           2        PCB-1248; see Polychlorobiphenyls 
11097691           2        PCB-1254; see Polychlorobiphenyls 
11096825           2        PCB-1260; see Polychlorobiphenyls 
82688              2        PCNB; see Quintozene  
                             (Pentachloronitrobenzene) 
87865              2,3      PCP; see Pentachlorophenol 
6423434            3        PGDN; see Propylene glycol  
                             dinitrate 
122601             3        PGE; see Phenyl glycidyl ether 
7440053            2        Palladium 
794394             1        Panfuran S; see  
                             Dihydroxymethylfuratrizine 
8002742            3        Paraffin wax fume 
30525894           2        Paraformaldehyde 
2074502, 1910425   3,4      Paraquat 
10048325           1        Parasorbic acid 
56382              2,3,4    Parathion 
90653              1        Penicillic acid 
19624227           3        Pentaborane 
76017              1        Pentachloroethane 
1321648            2,3      Pentachloronaphthalene 
87865              2,3      Pentachlorophenol 
109660             3        Pentane 
107879             3        2-Pentanone 
77474              2        Perchlorocyclopentadiene; see  
                             Hexachlorocyclo-pentadiene 
67721              3        Perchloroethane; see  
                             Hexachloroethane 
127184             1,2,3,5  Perchloroethylene 
594423             3        Perchloromethyl mercaptan 
7616946            3        Perchloryl fluoride 
72560              2        Perthane 
60102376           1        Petasitenine 
62442              1        Phenacetin 
532274             3        Phenacyl chloride; see  
                             alpha-Chloroacetophenone 
85018              2        Phenanthrene 
136403, 94780      1        Phenazopyridine and its hydrochloride 
156514             1        Phenelzine sulphate 
103037             1        Phenicarbazide 
50066              1        Phenobarbital 
108952             2,3      Phenol 
                   2        Phenolic compounds (4AAP) 
                   2        Phenols 
92842              3        Phenothiazine 
59861, 63923       1        Phenoxybenzamine and its hydrochloride 
122394             3        n-Phenylaniline; see Diphenylamine 
92524              3        Phenylbenzene; see Biphenyl 
100470             2        Phenyl cyanide; see Benzonitrile 
106503             3        p-Phenylenediamine 
100414             2        Phenylethane; see Ethylbenzene 
101848             3        Phenyl ether, vapor               14 
100425             2,3      Phenylethylene; see Styrene, monomer 
122601             1,3      Phenyl glycidyl ether             12 
100630             3        Phenylhydrazine 
108985             3        Phenyl mercaptan 
135886             1        N-Phenyl-2-naphthylamine 
132274             1        o-Phenylphenate, sodium; see  
                             Sodium ortho-phenylphenate 
638211             3        Phenylphosphine 
57410              1        Phenytoin; see Diphenylhydantoin 
298022             3,4      Phorate 
4104144            4        Phosacetim 
7786347            2,4      Phosdrin; see alpha-2- 
                             Carbomethoxy-1-methylvinyl  
                             dimethyl phosphate 
75445              2,3      Phosgene 
13171216           4        Phosphamidon 
7803512            3        Phosphine 
7664382            2,3      Phosphoric acid 
563122             2        Phosphorodithioate; see Ethion 
7723140            2,3      Phosphorus 
10025873           2,3      Phosphorus oxychloride 
10026138           3        Phosphorus pentachloride 
1314803            2,3      Phosphorus pentasulfide 
7719122            2,3      Phosphorus trichloride 
121755             2        Phosphothion; see Malathion 
                   1,2,3    Phthalate esters                  36 
85449              3        Phthalic anhydride 
626175             3        m-Phthalodinitrile 
1918021            1,3,4    Picloram 
88891              3        Picric acid 
83261              3        Pindone; see 2-Pivalyl-1,3-indandione 
142643             3        Piperazine dihydrochloride 
83261              3        2-Pivalyl-1,3-indandione (pindone) 
744064             2,3      Platinum, metal 
                   3        Platinum, soluble salts 
                   1        Polybrominated biphenyls 
1336363, 53449219, 1,2,3    Polyhlorobiphenyls 
11097691           2        Polychlorinated biphenyls; see  
                             Polychlorobiphenyls 
                   2        Polycyclic Organic Matter; see  
                             Polynuclear aromatic hydrocarbons 
                   1,2      Polynuclear aromatic hydrocarbons 23 
                   3        Polytetrafluoroethylene, decomposition 
                              products 
9003398            1        Polyvinyl pyrrolidone 
3761533            1        Ponceau MX 
3564098            1        Ponceau 3R 
7440097            2        Potassium 
7784410            2        Potassium arsenate; see  
                             Arsenic and arsenic compounds 
10124502           2        Potassium arsenite; see  
                             Arsenic and arsenic compounds 
7778509            2        Potassium bichromate; see  
                             Chromuim compounds 
23746341           1        Potassium bis(2-hydroxyethyl) 
                             dithiocarbamate 
7758012            1        Potassium bromate 
7789006            2        Potassium chromate; see  
                             Chromium compounds 
151508             2        Potassium cyanide; see  
                             Cyanides, inorganic salts 
1310583            2,3      Potassium hydroxide 
7722647            2        Potassium permanganate 
366701             1        Procarbazine hydrochloride 
57830              1        Progesterone 
                   1        Progestins 
51025              1        Pronetalol hydrochloride 
120714             1        1,3-Propane sultone 
709988             4        Propanil 
2312358            2,4      Propargite 
107197             3        Propargyl alcohol 
122429             2        Propham 
57578              1,3      beta-Propiolactone 
79094              2,3      Propionic acid 
123626             2        Propionic anhydride 
114261             2,3      Propoxur; see 2-Isopropoxyphenyl  
                             N-methylcarbamate 
109604             3        n-Propyl acetate 
71238              3        n-Propyl alcohol 
627123             1        n-Propyl carbamate 
115071             3        Propylene 
78875              2,3      Propylene dichloride; see  
                             Dichloropropanes 
6423434            3        Propylene glycol dinitrate 
107982             3        Propylene glycol monomethyl ether 
75558              3        Propyleneimine; see 2-Methylaziridine 
75569              1,2,3    Propylene oxide                   12 
627134             3        n-Propyl nitrate 
51525              1        Propylthiouracil 
74997              3        Propyne; see Methylacetylene 
107197             3        2-Propyn-l-ol; see Propargyl alcohol 
87625625           1        Ptaquiloside 
129000             2        Pyrene 
121299, 121211     2        Pyrethrins 
8003347            3        Pyrethrum 
110861             3        Pyridine 
58140              1        Pyrimethamine 
120809             3        Pyrocatechol; see Catechol 
98011              2        Pyromucic aldehyde; see Furfural 
117359             1        Quercetin 
91225              2        Quinoline 
106514             3        Quinone 
82688              1        Quintozene (Pentachloronitrobenzene) 
121824             3        RDX; see  
                             Cyclotrimethylenetrinitramine 
                   2        Radionuclides 
13982633           2        Radium 226 
10043922           1        Radon 
86884              3        Ratrack; see l-(1-Naphthyl)-2-thiourea 
50555              1        Reserpine 
108463             2,3      Resorcinol 
480546             1        Retrorsine 
989388             1        Rhodamine 6G 
81889              1        Rhodamine B 
7440166            3        Rhodium                            3 
                   3        Rhodium compounds 
36791045           5        Ribavirin 
13292461           1        Rifampicin 
299843             2,3      Ronnel 
                   3        Rosin core solder, pyrolysis products24 
83794              3        Rotenone, commercial 
                   3        Rubber solvent (naphtha) 
8047674            1        Saccharated iron oxide 
94597              1        Safrole 
152169             4        Schradan 
                   2,3      Selenium and selenium compounds 
7783791            3        Selenium hexafluoride; see  
                             Selenium and selenium compounds 
7446084            2        Selenium oxide; see Selenium  
                             and selenium compounds 
563417             1        Semicarbazide hydrochloride 
2318185            1        Senkirkine 
136787             3        Sesone; see Sodium 2- 
                             (2,4-dichlorophenoxy) ethyl sulfate 
63252              2,4      Sevin; see Carbaryl 
68308349           1        Shale-oils 
1982496            2        Siduron 
7803625            3        Silane 
7631869            1,3      Silica                        25, 35 
7803625            3        Silicon tetrahydride; see Silane 
7440224            2,3      Silver                             3 
                   2,3      Silver compounds                  26 
7761888            2        Silver nitrate; see Silver compounds 
93721              2,4      Silvex; see 2,4,5 TP acid 
                   3        Soapstone                         19 
7440235            2        Sodium 
7631892            2        Sodium arsenate; see  
                             Arsenic and arsenic compounds 
7784465            2        Sodium arsenite; see  
                             Arsenic and arsenic compounds 
26628228           3        Sodium azide 
10588019           2        Sodium bichromate; see  
                             Chromium compounds 
1333831            2        Sodium bifluoride; see  
                             Fluoride and fluoride compounds 
7631905            2,3      Sodium bisulfite 
7775113            2        Sodium chromate; see  
                             Chromium compounds 
143339             2,4      Sodium cyanide; see  
                             Cyanides, inorganic salts 
136787             3        Sodium 2-(2,4-dichlorophenoxy)-ethyl 
                              sulfate 
25155300           2        Sodium dodecylbenzene-sulfonate    9 
7681494            2        Sodium fluoride; see  
                             Fluoride and fluoride compounds 
62748              3,4      Sodium fluoroacetate 
16721805           2        Sodium hydrosulfide 
1310732            2,3      Sodium hydroxide 
7681529            2        Sodium hypochlorite 
7681574            3        Sodium metabisulfite 
124414             2        Sodium methylate 
7632000            2        Sodium nitrite 
132274             1        Sodium ortho-phenylphenate 
7558794, 10039324, 2        Sodium phosphate, dibasic 
10140655 
778544, 7601549,   2        Sodium phosphate, tribasic 
10101890, 10361894, 
7758294, 10124568 
10102188           2        Sodium selenite; see  
                             Selenium and selenium compounds 
                   1        Soots, tars, and certain mineral oils 
52017              1        Spironolactone 
7745893            4        Starlicide; see 3-Chloro-p- 
                             toluidine hydrochloride 
10048132           1        Sterigmatocystin 
7803523            3        Stibine; see Antimony compounds 
8052413            3        Stoddard solvent 
18883664           1        Streptozotocin 
7440246            2        Strontium 
7789062            2        Strontium chromate; see  
                             Chromium compounds 
57249              2,3,4    Strychnine 
100425             1,2,3    Styrene, monomer 
96093              1        Styrene oxide 
1395217, 9014011   3        Subtilisins (proteolytic enzymes) 
108305             1        Succinic anhydride 
842079             1        Sudan I 
3118976            1        Sudan II 
95067              1        Sulfallate 
723466             1        Sulfamethoxazole 
3689245            3,4      Sulfotepp; see Tetraethyl  
                             dithiopyrophosphate 
7704349            2        Sulfur 
10025679           2        Sulfur chloride; see Sulfur  
                             monochloride 
7446095            3        Sulfur dioxide 
2551624            3        Sulfur hexafluoride 
7664939            2,3      Sulfuric acid 
7790945            2        Sulfuric chlorohydrin; see  
                             Chlorosulfonic acid 
10025679           2,3      Sulfur monochloride 
5714227            3        Sulfur pentafluoride 
7783600            3        Sulfur tetrafluoride 
2699798            3        Sulfuryl fluoride 
35400432           3        Sulprofos 
950378             4        Surpracide; see  
                             O,O-Dimethyl phosphorodithioate,  
                             S-ether with  
                             4-(mercaptomethyl)-2-methoxy- 
                             O2-1,3,4-thiadiazolin-5-one 
1918189            2        Swep 
8065483            4        Systox; see Demeton 
93765              2,3,4    2,4,5-T; 2,4,5-Trichloro-phenoxyacetic 
                              acid 
6369966, 6369977,  2        2,4,5-T amines 
1319728, 3813147 
2545597, 93798,    2        2,4,5-T esters; 
61792072, 1928478,           2,4,5-trichlorophenoxyacetic acid 
25168154                     esters 
13560991           2        2,4,5-T salt; acetic acid, 2,4,5- 
                              trichlorophenoxy- sodium salt 
93721              2,4      2,4,5-TP acid; propanoic acid, 
                              2-(2,4,5-trichlorophenoxy)- 
32534955           2        2,4,5-TP ester; propanoic acid, 
                              2-(2,4,5-trichlorophenoxy)-, isooctyl 
                              ester) 
1746016            1,2      TCDD; see 2,3,7,8- 
                             Tetrachlorodibenzo-p-dioxin 
78308              3        TCP; see Tri-o-creysl phosphate 
72548              2,4      TDE 
584849             3        TDI; see Tolulene-2,4-diisocyanate 
3689245            3        TEDP; see Tetraethyl  
                             dithionopyrophosphate 
107493             2,3,4    TEPP; see Tetraethyl pyrophosphate 
109999             3        THF; see Tetrahydrofuran 
118967             3        TNT; see 2,4,6-Trinitrotoluene 
115866             3        TPP; see Triphenyl phosphate 
14807966           1,3      Talc                              19 
                   1        Tannic acid and tannins 
7440257            2,3      Tantalum                           3 
1314610            3        Tantalum oxide 
10028167           3        Tellurium                          3 
                   3        Tellurium compounds 
7783804            3        Tellurium hexafluoride; see  
                             Tellurium compounds 
3383968            3        Temephos; see Tetramethyl  
                             O, O'-thio-di-p-phenylene  
                             phosphorothiate 
8001501            1        Terpene polychlorinates (Strobane6Registered) 
                   3        Terphenyls 
58220              1        Testosterone (and its esters) 
315377             1        Testosterone enanthate 
79276              3        1,1,2,2-Tetrabromoethane; see  
                             Acetylene tetrabromide 
1746016            1,2      2,3,7,8-Tetrachlorodibenzo-p-dioxin 
76119              3        1,1,1,2-Tetrachloro-2, 2-difluoroethane 
72548              2        Tetrachlorodiphenylethane; see TDE 
603206             1        1,1,1,2-Tetrachloroethane 
76120              3        1,1,2,2-Tetrachloro-1,2- difluoroethane 
                             (FC-112) 
79345              1,2,3    1,1,2,2-Tetrachloroethane; see  
                             Acetylene tetrachloride 
127184             2,3,5    Tetrachloroethylene; see  
                             Perchloroethylene 
56235              2,3      Tetrachloromethane; see  
                             Carbon tetrachloride 
1335882            2,3      Tetrachloronaphthalene 
961115             1        Tetrachlorvinphos 
3689245            3,4      Tetraethyl dithiopyrophosphate 
                              (Sulfotepp) 
78002              2        Tetraethyl lead; see Lead compounds 
107493             2,3,4    Tetraethyl pyrophosphate 
78104              3        Tetraethyl silicate; see Ethyl silicate 
109999             3        Tetrahydrofuran 
110918             3        Tetrahydro-4H-1-4-oxazine;  
                             see Morpholine 
75741              3        Tetramethyl lead; see Lead  
                             compounds 
681845             3        Tetramethyl silicate; see  
                             Methyl silicate 
3383968            3        Tetramethyl 0,0'-thio-di-p-phenylene 
                              phosphorothioate (temephos) 
3333526            3        Tetramethyl succinonitrile 
                              (decomposition product of 2,2' 
                             -azobisisobutyronitrile) 
137268             3        Tetramethyl thiuran disulfide; see  
                             Bis(dimethylthiocarbamoyl)  
                             disulfide 
509148             3        Tetranitromethane 
7722885            3        Tetra sodium pyrophosphate 
479458             3        Tetryl 
7440280            2        Thallium                           3 
                   2,3      Thallium compounds 
10031591, 7446186  2        Thallium sulfate; see  
                             Thallium compounds 
298022             4        Thimet; see Phorate 
62555              1        Thioacetamide 
28249776           4        Thiobencarb 
96695              3        4,4'-Thiobis(6-tert-butyl-m-cresol) 
115297             2        Thiodan; see Endosulfan 
139651             1        4,4'-Thiodianiline 
68111              3        Thioglycolic acid 
7719097            3        Thionyl chloride 
52244              1        Thiotepa; see Tris(1-aziridinyl)  
                             phosphine sulphide 
141902             1        Thiouracil 
62566              1        Thiourea 
137268             3        Thiram; see  
                             Bis(dimethylthiocarbamyl) disulfide 
7440315            2,3      Tin                                3 
                   3        Tin compounds 
7440326            2        Titanium 
1836755            4        Tok; see 2,4-Dichlorophenyl-p- 
                             nitrophenyl ether 
119937             1        o-Tolidine; see 3,3'- 
                             Dimethylbenzidine 
108883             2,3      Toluene 
584849             1,3      Toluene-2, 4-diisocyanate 
26471625, 91087,   1        Toluene diisocyanates 
26471625, 584849 
108441             3        m-Toluidine 
106490             3        p-Toluidine 
95534              3        o-Toluidine; see o-Methylaniline 
636215             1        ortho-Toluidine; hydrochloride 
108883             2,3      Toluol; see Toluene 
10311849           4        Torak; see Dialifor 
8001352            1,2,3,4  Toxaphene 
14567738           3        Tremolite 
299752             1        Treosulfan 
299752             1        Treosulphan; see Treosulfan 
75252              3        Tribomomethane; see Bromoform 
126738             3        Tributyl phosphate 
78488              4        S,S,S-Tributyl phosphoro-trithioate 
150505             4        S,S,S-Tributyl phosphorotrithioite 
                   4        Tributyltin, coatings containing 
52686              2        Trichlorfon 
76039              3        Trichloroacetic acid 
120821             2,3      1,2,4-Trichlorobenzene; see  
                             Chlorinated benzenes 
50293              3        1,1,1-Trichloro-2-2,bis 
                             (p-chlorophenyl) ethane; see DDT 
72435              3        1,1,1-Trichloro-2,2-bis 
                             (p-methoxphenyl)-ethane;  
                             see Methoxychlor 
79005              1,2,3    1,1,2-Trichloroethane 


71556              2,3      1,1,1-Trichloroethane; see  
                             Methyl chloroform 
79016              3        Trichloroethene; see Trichloroethylene 
79016              1,2,3    Trichloroethylene 
75694              3        Trichlorofluoromethane; see  
                             Fluorotrichloromethane 
67663              2,3      Trichloromethane; see Chloroform 
594423             3        Trichloromethanethiol; see  
                             Perchloromethyl mercaptan 
1321659            2,3      Trichloronaphthalene 
76062              3        Trichloronitromethane; see Chloropicrin 
88062              2        2,4,6-Trichlorophenol; see  
                             Trichlorophenols 
25167822,          1,2      Trichlorophenols 
15950660, 933788, 
933755, 95954, 
609198, 88062 
136254             2        2-(2,4,5-Trichlorophenoxy)  
                             ethyl 2,2-dichloropropionate (Erbon) 
96184              3        1,2,3-Trichloropropane 
76131              2,3         1,1,2-Trichloro-1,2, 2-trifluoroethane 
                               (FC-113) 
78308              3        Tri-o-cresyl phosphate 
13121705           3        Tricyclohexyltin hydroxide; see  
                             Tin compounds 
27323417           2        Triethanolamine 
                              dodecylbenzenesulfonate          9 
121448             2,3      Triethylamine 
1954285            1        Triethylene glycol diglycidyl ether 
75638              3        Triflorobromomethane; see  
                             Bromotrifluoromethane 
1582098            1,2      Trifuralin 
552307             3        Trimellitic anhydride 
75503              2,3      Trimethylamine 
137177             1        2,4,5-Trimethylaniline 
                   3         Trimethylbenzene (all isomers) 
78591              3        3,5,5-Trimethyl-2-cyclohexene- 
                             1-one; see Isophorone 
121459             3        Trimethyl phosphite 
88891              3        2,4,6-Trinitrophenol; see Picric acid 
479458             3        2,4,6-Trinitrophenylmethylnitramine; 
                             see Tetryl 
118967             3        2,4,6-Trinitrotoluene 
78308              3        Tri-ortho-cresyl phosphate;  
                             Tri-o-cresyl phosphate 
603349             3        Triphenylamine 
115866             3        Triphenyl phosphate 
68768              1        Tris(aziridinyl)-para-benzoquinone; 
                              (Triaziquone) 
52244              1        Tris(1-aziridinyl)phosphine sulfide 
51183              1        2,4,6-Tris(1-aziridinyl)-s-triazine 
38571732           1        1,2,3-Tris(chloromethoxy)propane 
126727             1        Tris(2,3-dibromopropyl) phosphate 
786196             4        Trithion; see Carbophenothion 
62450060           1        Trp-P-1 (Tryptophan-P-1) 
62450071           1        Trp-P2 (Tryptophan-P-2) 
72571              1        Trypan blue (commercial grade) 
7440337            2,3      Tungsten, Tungsten compounds    3,34 
8006642            3        Turpentine 
66751              1        Uracil mustard 
7440611            2,3      Uranium                         3,34 
                   2,3      Uranium compounds 
541093             2        Uranyl acetate; see Uranium compounds 
10102064           2        Uranyl nitrate; see Uranium compounds 
51796              1        Urethane 
8030306            3        VM & P (Varnish Makers & Painters)  
                             naphtha 
110623             3        Valeraldehyde 
7440622            2        Vanadium 
1314621            2,3      Vanadium pentoxide                 3 
27774136           2        Vanadyl sulfate 
62737              2        Vapona; see Dichlorvos 
108054             2,3      Vinyl acetate 
100425             2        Vinylbenzene; see Styrene, monomer 
593602             1,3      Vinyl bromide 
75014              1,2,3    Vinyl chloride 
107131             2,3      Vinyl cyanide; see Acrylonitrile 
100403             1        4-Vinylcyclohexene 
106876             1,3      Vinyl cyclohexene dioxide 
106876             1        4-Vinyl-1-cyclohexene diepoxide;  
                             see Vinyl cyclohexene dioxide 
75354              1,2,3    Vinylidene chloride 
25013154           3        Vinyltoluene 
79005              1        Vinyl trichloride; see 1,1,2- 
                             Trichloroethane 
81812              3        Warfarin 
13983170           1        Wollastonite 
1330207, 95476,    2,3      Xylene, all isomers 
106423, 108383 
1477550            3        m-Xylene-a',a'-diamine 
1300716            2        Xylenol 
1300738            3        Xylidine 
95476              2,3      Xylol; see Xylene, all isomers 
131793             1        Yellow OB 
                   3        Yttrium compounds 
17924924           1        Zearalenone 
7440666            2        Zinc                               3 
557346             2        Zinc acetate; see Zinc compounds 
14639975, 14639986,2        Zinc ammonium chloride; see Zinc 
52628258                                               compounds 
1332076            2        Zinc borate; see Zinc compounds 
7699458            2        Zinc bromide; see Zinc compounds 
3486359            2        Zinc carbonate; see Zinc compounds 
7646857            2,3      Zinc chloride; see Zinc compounds 
1350659            3        Zinc chromate; see Chromium  
                             compounds 
                   2,3,4    Zinc compounds                    28 
557211             2        Zinc cyanide; see Cyanides,  
                             inorganic salts 
7783495            2        Zinc fluoride; see Zinc compounds 
557415             2        Zinc formate; see Zinc compounds 
7779864            2        Zinc hydrosulfite; see Zinc compounds 
7779886            2        Zinc Nitrate; see Zinc compounds 
1314132            3        Zinc oxide fume; see Zinc compounds 
127822             2        Zinc phenolsulfonate; see Zinc  
                             compounds 
1314847            2,4      Zinc phosphide; see Zinc compounds 
16871719           2        Zinc silicofluoride; see Zinc compounds 
7733020            2        Zinc sulfate; see Zinc compounds 
12122677                                                   Zineb 
7440677            2        Zirconium 
7440677            2,3      Zirconium compounds, as Zr 
13746899           2        Zirconium nitrate; see Zirconium  
                             compounds 
16923958           2        Zirconium potassium fluoride; see  
                             Zirconium compounds 
14644612           2        Zirconium sulfate; see 
                             Zirconium compounds 
10026116           2        Zirconium tetrachloride 

FOOTNOTES FOR HAZARDOUS SUBSTANCE LIST

1. Refers to solutions greater than or equal to 10%. Exempt when present in food or beverages, such as vinegar, apple cider, and wine, regardless of concentration.

2. Refers to water-soluble salts only; all other salts are exempt.

3. An MSDS must be provided under the following circumstances:

a) The metal is supplied as a fine powder.

b) The metal is in welding or brazing rods.

c) The metal may be melted with the generation of toxic fume.

d) Under normal use, toxic dust or fume is likely to be generated by any manufacturing process.

4. Exempt when in bonded form or when antimony compounds cannot be released due to cutting, grinding, heating, etc.

5. Except:

a) Exterior and interior coatings and laminating resins containing encapsulated asbestos fibers within such products.

b) Cold process asphalt roof coatings.

c) Non-friable encapsulated products such as floor tiles.

6. Any liquids; and products that could give rise to asphalt fume under normal conditions are included. Mechanical breakup of hardened asphalt surfaces is exempt.

7. Exempt when used in foods and feeds as a preservative.

8. Exempt except when present as free crystal/powder.

9. Exempt when in solution.

10. Exempt when in form where exposure to dust cannot occur.

11. Products that could give rise to coal tar pitch volatiles during normal use are included.

12. Exempt when part of a cured epoxy or rubber.

13. Refers to solutions greater than or equal to 25%. Beverage alcohol (as defined by Sections 23004 and 23005 of the California Alcoholic Beverage Control Act) in any concentration is exempt.

14. Exempt except when vapors or particulates are or can be formed due to work practices or procedures.

15. Exempt except when present as a dust.

16. Exempt when used as fuel.

17. Exempt except when inhalable dust and/or particulates are present or are generated through use of the product.

18. Refers to the water-soluble salts only; exempt when mixed in food or animal feed.

19. Exempt except when inhalable dust is present or can be generated through use.

20. Exempt when in mixture, suspension, or where inhalable dust or particles are not present or cannot be formed.

21. Exempt except where mineral oil mists can be generated in the ordinary use of the products, e.g. cutting oils

22. Occupational sources of ozone include, but are not limited to:

a) during oxidizing process of fine organic chemicals production (primarily ozolaic acid);

b) during operations involving high-intensity UV light (plasma torch operations, glass blowing, hot metal operations, photoengraving operations, use of mercury vapor lamps, direct copying machines, projecting equipment);

c) during operations involving high voltage electrical equipment (spectrographic and fluorometric apparatus, electroplating operations, high-volt linear accelerators, and electrostatic precipitators);

d) during operations involving ozonizing process in treatment of water, industrial waste, and sewage; during air purification;

e) during drilling, cutting, and welding operations utilizing laser radiation;

f) during bleaching operations (textiles, pulp, paper, waxes, starch, sugar, Teflon, and synthetic fibers), refining of mineral oils and their derivatives, processing of perfumes, vanillin, and camphor, aging and drying operations (wood, wines, whiskeys, varnishes, and printing inks);

g) during food preserving operations for mold and bacteria control;

h) during welding operations using inert gas shielded arc welding devices, bare wire arc welding; and

i) during manufacturing production of ozone.

23. Includes benzanthracenes, benzopyrenes, benzofluoranthrene, chrysenes, dibenzanthracenes, and indenopyrenes.

24. Refers to smoke and fume products given off during soldering.

25. Exempt except when inhalable particulates are present or can be generated.

26. Silver compounds existing in stable emulsions or suspensions, as in photographic film, are exempt.

27. Applicable to cotton fiber for use in industries or operations covered by General Industry Safety Order 5219, Cotton Dust.

28. Exempt when present in motor oils at 2.5% or below. Zinc oxide is exempt except when present as dust or when generated as a fume. Zinc stearate is exempt except when present as dust.

29. Refers to solutions greater than or equal to 4%.

30. Refers to solutions greater than or equal to 3%.

31. Refers to any mixture containing 0.1% or greater of this substance.

32. Refers to any mixture containing 0.02% or greater inorganic arsenic.

33. Refers to any mixture containing 0.1% or greater EDB.

34. Exempt when encapsulated in a capsule which meets the definition of "Special Form Materials" prescribed in 49 CFR 173.403(z).

35. Applies to silica sand and silica flour, but naturally occurring dirt and sand which has not been increased in silica concentration by beneficiation are exempt.

36. Except butyl benzyl phthalate.

37. Exempt except when crystalline powder is being manufactured or being used.

38. Fibrous glass is a mechanical irritant. There is no present scientific evidence as to the existence of any other adverse health effect.

39. Except Copper phthalocyanine crudes and pigments.

NOTE: Authority cited: Sections 54, 55 and 6380, Labor Code; and 8 CCR Section 337. Reference: Sections 6380, 6380.5, 6382 and 6383, Labor Code.

HISTORY

1. New section (including Appendix A) filed 8-25-82; effective thirtieth day thereafter (Register 82, No. 35).

2. Amendment of Hazardous Substances List filed 10-7-82; effective thirtieth day thereafter (Register 82, No. 41)

3. Amendment of Hazardous Substances List and Appendix A filed 5-29-85; effective upon filing pursuant to Government Code section 11346.2(d) (Register 85, No. 24).

4. Editorial correction of Appendix A filed 6-12-85 (Register 85, No. 24).

5. Editorial correction of Appendix A column headings (Register 91, No. 23).

6. Repealer of subsection (b) and Appendix A, subsection relettering, new subsection (b)(3), new FOOTNOTE 39 and amendment of Hazardous Substances List and Note filed 2-16-93; operative 3-18-93 (Register 93, No. 8).

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