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Subchapter 4. Construction Safety Orders
Article 36. Fire Protection and Prevention

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§1930. Flammable and Combustible Liquids.

(a) General.

(1) Only approved containers and portable tanks shall be used. Metal containers and portable tanks meeting the requirements of and containing products authorized by Chapter I, Title 49, of the Code of Federal Regulations (DOT Regulations), shall be deemed to be acceptable.

(2) Containers and portable tanks for flammable and combustible liquids shall conform to Table A.

                           Table A  
                  Maximum Allowable Size of  
                Containers and Portable Tanks 

                                Flammable Liquids        Combustible Liquids  
Container Type            Class IA  Class IB   Class IC   Class II     Class III 
Glass....................   1 pt.     1 qt.     1 gal.    1 gal.        5 gal.  
Metal (Other than DOT  
Drums) or approved  
plastic..................   1 gal.    5 gal.    5 gal.    5 gal.        5 gal.  
Safety cans..............   2 gal.    5 gal.    5 gal.    5 gal.        5 gal.  
Metal Drum (DOT Spec)....   60 gal.   60 gal.   60 gal.   60 gal.       60 gal.  
Approved Portable  
Tanks ...................   660 gal.  660 gal.  660 gal.  660 gal.      660 gal.  
 DOT Spec 34 or as 
 authorized by DOT 
Exemption...............   1 gal.     5 gal.    5 gal.    60 gal.       60 gal.  
      SI Units: 1 pt. = 0.43 L; 1 qt. = 0.95 L; 1 gal. = 3.785 L 

(3) Portable tanks in excess of 660 gallons shall have emergency venting and other devices as required by Chapters II and III of the Flammable and Combustible Liquids Code (NFPA 30-1984).

(4) Flammable or combustible liquids shall not be stored so as to limit use of exits, stairways or areas normally used for the safe egress of people.

(A) Storage in excess of 25 gallons of flammable liquids or 60 gallons of Class III liquids shall be within cabinets constructed to the requirements of NFPA 30.

(B) Not more than 25 gallons of flammable liquids shall be stored in safety cans outside of a flammable liquids storage room or storage cabinet.

(5) Not more than 120 gallons of Class I, Class II, or Class IIIA liquids may be stored in a storage cabinet. Of this total, not more than 60 gallons may be of Class I and Class II liquid. Not more than three such cabinets may be located in a single floor area, except that in an industrial occupancy additional cabinets may be located in the same floor area if the additional cabinet, or group of not more than three cabinets, is separated from any other cabinets or group of cabinets by at least 100 feet.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Amendment filed 10-9-86; effective thirtieth day thereafter (Register 86, No. 43).

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