T List of Acronyms
TABLE SAWS
Guard GISO, §4300(a)
Hood, Crosscut   GISO, §4032
Manual Feed (Class B) GISO, §4300.1
TAG-OUT, Control of Hazardous Energy GISO, §3314
TAGS, Accident Prevention GISO, §3341
Application / Scope of §3341 GISO, §3341(a)
Definitions  GISO, §3341(b)
Biological Hazard Tags GISO, §3341(h)
Caution Tags GISO, §3341(f)
Color Coding for Tags GISO, §3341, Appx A
Criteria for Tags GISO, §3341(d)
Danger Tags GISO, §3341(e)
Design Criteria of Tags GISO, §3341(d)
Other Tags  GISO, §3341(i)
Use of Tags GISO, §3341(c)
Warning Tags GISO, §3341(g)
TAIL CROSSHEADS, Guarding for GISO, §3997
TAIL PULLEY, Guarding of    GISO, §3999(b)
TAIL RODS    GISO, §3997
TALC, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TANK
Air   See AIR TANKS
Covers or Guardrails    GISO, §3213(a)
Expansion, Boiler   B&FPV, §763(g)
Open Surface, Ventilation & PPE   GISO, §5154
Sewer Tanks, Ventilation Requirement    GISO, §3309(b)
Storage   See STORAGE TANKS  
TANKS, per ESO
Tool Grounding, Electrical, Tools Used inside of  ESO-LV, §2395.45(A)
TANKS, BLOW-OFF, & Piping & Valves B&FPV, §764
Discharge prohibition B&FPV, §764(b)
TANKS, Flammable Liquid Storage, per GISO GISO, Article 145
Aboveground Tanks, Outside Installation GISO, §5589
Drainage, Dikes & Walls for  GISO, §5595 
Emergency Relief Venting, Fire Exposure GISO, §5593 
Capacity of GISO, §5593, Table FL-16 & FL-17
Location of with Respect to Buildings GISO, §5591
Spacing Between Tanks GISO, §5590 
Tank Openings Other Than Vents GISO, §5596 
Venting for Aboveground Tanks  GISO, §5592
Venting, Capacity of GISO, §5593, Table FL-16 & FL-17
Vent Piping for Aboveground Tanks GISO, §5594 
Air tanks See AIR TANKS
Ammonia tanks See ANHYDROUS AMMONIA 
Atmospheric Tanks GISO, §5585
Definition of GISO, §5415
Confined Spaces, as See CONFINED SPACES
Construction Materials GISO, §5583
Design / Fabrication GISO, §5584
Distance Tables, Tank installation  GISO, §5589, Tables FL-10 through FL-15
Electrical Grounding, Tools Used inside of  ESO-LV, §2395.45(A)
Flooding, Protecting Tanks against GISO, §5605 
Inside of Buildings, Tanks 
Installation of Tanks Inside of Buildings GISO, §5600 
Tank Openings Other Than Vents GISO, §5601 
Liquid Level Indicator for Class IIIB Liquids GISO, §5585.1
Low Pressure Tanks GISO, §5586
Definition of GISO, §5415
Pressure Vessels GISO, §5587 
Definition of GISO, §5415
Provisions for Internal Corrosion GISO, §5588
Sources of Ignition GISO, §5603 
Supports, Foundations & Anchorage GISO, §5602
Temperature Regulator for Class IIIB Liquids GISO, §5585.1
Testing GISO, §5604 
Tool Grounding, Electrical, Tools Used inside of  ESO-LV, §2395.45(A)
Underground Tanks 
Grounding Electrode, Used as  ESO-LV, §2395.82
Installation of Underground Tanks GISO, §5597
Tank Openings Other Than Vents GISO, §5599 
Vents for Underground Tanks GISO, §5598 
Venting, Capacity of GISO, §5598, Table FL-18
TANKS, Open Surface, Ventilation & PPE  GISO, §5154
TANKS, Portable, Flammable Liquid & Gas Storage See Storage under FLAMMABLE LIQUIDS, GASES & VAPORS
TANKS, Process
Agitation & Heating Of Liquids In Tanks PSO-D&P, §6544
Overflow & Spill Control GISO, §5163(b)
TANKS, & Reservoirs, per PSO-R,T&H  PSO-R,T&H, Article 9
Above Ground Tanks, Dikes-Walls & Drainage for PSO-R,T&H, §6805
Anchorage, Supports & Foundations for PSO-R,T&H, §6809
Drainage, Dikes & Walls for Above Ground Tanks PSO-R,T&H, §6805
Installation of Tanks Inside Buildings PSO-R,T&H, §6808
Tank Openings for Above Ground Tanks PSO-R,T&H, §6806
Agitation & Heating of Liquids in Tanks PSO-R,T&H, §6833
Design & Construction of Tanks PSO-R,T&H, §6801
Dikes-Walls & Drainage for PSO-R,T&H, §6805
Drainage PSO-R,T&H, §6828
Flammable liquids See FLAMMABLE LIQUIDS
Liquefied natural gas tanks See LIQUEFIED NATURAL GAS
Liquefied petroleum gas tanks See LIQUEFIED PETROLEUM GAS 
Foundations, Supports & Anchorage for All Tanks  PSO-R,T&H, §6809
Heating & Agitation of Liquids in Tanks PSO-R,T&H, §6833
Installation of Tanks Inside Buildings PSO-R,T&H, §6808
Piping, Fitting & Valves PSO-R,T&H, §6845
Stationary Tanks & Reservoirs PSO-R,T&H, §6803
Underground Tanks PSO-R,T&H, §6807
Valves, Piping & Fitting PSO-R,T&H, §6845
TANKS, & Reservoirs, per PSO-D&P  PSO-D&P, §6546
Above Ground Tanks, Drainage, Dikes & Walls  PSO-D&P, §6548
Agitation and heating of liquids  PSO-D&P, §6544
Access & Alternate Means of Access PSO-D&P, §6546(c), (d)
Unsafe Access, Roof PSO-D&P, §6546(f)
Classification PSO-D&P, §6546(e)
Design PSO-D&P, §6546(a), (b)
Identification of Tanks PSO-D&P, §6556
Maintenance PSO-D&P, §6547
Pits & Sumps PSO-D&P, §6549
Walkways, Means of Access PSO-D&P, §6546(d), (e)
TANKS, Unfired Pressure Vessels, per UFPV  See also TANKS
Aboveground storage tanks, Installation of UFPV, §532
Alterations to UFPV, §526
Back-flow check valves  UFPV, §537  
Construction of CNG or LNG Tanks  UFPV, §455
Construction of Natural Gas Tanks UFPV, §523
Contaminants, minimizing  UFPV, §527
Definitions  UFPV, §453
Design of CNG or LNG Tanks UFPV, §455
Design of Natural Gas Tanks UFPV, §523
Excess-flow valves UFPV, §537
Fire damage, inspection before return to service UFPV, §526
Fittings UFPV, §536
Gages  UFPV, §539
Hoses  UFPV, §536
      UFPV, §538
Inspections  UFPV, §477
           UFPV, §462
Underground storage tanks UFPV, §533
Installation
Aboveground storage tanks UFPV, §532
Underground storage tanks UFPV, §533
Motor fuel tanks UFPV, §544
Odorants, use UFPV, §527
Piping Standards UFPV, §536
Piping Systems UFPV, §537
Pressure gages UFPV, §539
Pressure restrictions UFPV, §528
Repairs to UFPV, §526
Safety relief devices UFPV, §537
General Requirement GISO, §4657
Safety relief valves UFPV, §541
Shutoff valves UFPV, §537
Skid tank UFPV, §534
Stamping on UFPV, §523
Storage tanks UFPV, §531
Transportation tanks UFPV, §535 
Underground tanks
Distance between tanks UFPV, §531
Installation UFPV, §533
Valves UFPV, §536
Aboveground storage tanks UFPV, §532
Safety Relief Valves UFPV, §541
Shutoff valves UFPV, §537
Warning signs UFPV, §542
TANKS, VATS & PANS GISO, §3480
Overflow & Spill Control GISO, §5163
TANK TRUCK, Petroleum
Loading & Unloading Operations
High-Vapor Pressure Hydrocarbons PSO-R,T&H, §6881
Loading Platforms PSO-R,T&H, §6879
Loading & Unloading Operations PSO-R,T&H, §6880
Wharves & Piers PSO-R,T&H, §6891
TANNING DRUMS, Leather & Composition Goods GISO, §4517
TAPED, SPLICED, Flexible Electrical Cords    ESO-LV, §2500.9
TAR BUCKETS, KETTLES & TANKERS, Asphalt /Hot Mopped Roofing
Asphalt Fumes, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Asphalt & Pitch Kettles CSO, §1726
Handling of Buckets, Kettles & Tanker CSO, §1725
Hot Asphalt & Hot Pitch Buckets  CSO, §1729
Kettles Mounted on Elevated Truck Beds  CSO, §1727
Specifications of Kettles CSO, §1726(a)-(c)
Specifications of Buckets and Gallows-Type Frames CSO, §1729
Fire Extinguisher CSO, §1726(d)
Mounted on Truck Beds CSO, §1727
Tar Pitch, Handling of CSO, §1728
TANTALUM METAL DUST, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TANTALUM OXIDE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TB, M. Tuberculosis See also AEROSOL TRANSMISSIBLE DISEASES
Respiratory Protection for GISO, §5147
TB Conversion GISO, §5199(b), (h), 
TB Test GISO, §5199(f)(3)
TEFLON, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TELECOMMUNICATION SAFETY ORDERS (TelSO) TelSO, Subchapter 21
Application TelSO, §8600
Definition  TelSO, §8601
TELEGRAPH SYSTEMS See COMMUNICATIONS SYSTEMS
TELEPHONE CIRCUITS See COMMUNICATIONS SYSTEMS
TELEPHONE SYSTEMS, ESO-LV  ESO-LV, Article 87
Application / Scope ESO-LV, §2587.1
Conductor Location ESO-LV, §2587.3
Equipment Location ESO-LV, §2587.4
Grounding ESO-LV, §2587.5
Protective Devices ESO-LV, §2587.2
TELEPHONE SYSTEMS, per GISO 
Pressurized worksites  GISO, §6105(k)
TELEPHONE SYSTEMS, per MSO  MSO, §7164
Emergency Telephone MSO, §7165
Telephones for Shaft Work MSO, §7166
TELEPHONE SYSTEMS, Emergency Precaution, per TSO  TSO, §8428
TELEVISION
Feeder conductors  ESO-LV, §2553.19
Electronic News Gathering (Eng) Equipment ESO-HV, Article 40
Accident Prevention, Operation of ENG Vehicles ESO-HV, §2981
in Proximity of Overhead Power Lines
Definitions ESO-HV, §2980
Employee Training ESO-HV, §2982
Overhead power lines accident prevention ESO-HV, §2981
Safety Inspections ESO-HV, §2983 
Variances ESO-HV, §2305.3
Receiving & Transmitting Equipment See ANTENNAS and TELECOMMUNICATION
TELLURIUM, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TELLURIUM COMPOUNDS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TELLURIUM HEXAFLUORIDE
Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process safety management GISO, §5189, Appx A
TEMEPHOS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TEMPERATURES, Deteriorating, per ESO ESO-LV, §2340.11(a)(3)  
Electrical Conductors / Equipment Use Prohibited when not Approved for  ESO-LV, §2510.11(a)
TEMPERATURE, WATER, Toilets    GISO, §3366(d)(2)
TEMPORARY BUILDINGS, fire safety CSO, §1938
TEMPORARY FLOORS, at construction sites CSO, §1635
TEMPORARY GROUNDING, per TelSO 
Bonds TelSO, §8614(e)
of Suspended Strands TelSO, §8614(f)
TEMPORARY HEATERS CSO, §1693
Clearances CSO, §1693(c)
Fire Protection CSO, §1693(g)
Oil-Fired Heaters CSO, §1693(f)
Solid Fuel Salamanders CSO, §1693(e)
Ventilation CSO, §1693(b)
TEMPORARY POLES, Electric Power ESO-LV, §2405.3
TEMPORARY STAIRS  CSO, §1626  
TEMPORARY SUPPORTS, During Construction, Overloading Prohibited    CSO, §1709(a)
TEMPORARY WIRING, Electrical
Construction sites, at
Ground-fault circuit interrupters ESO-LV, §2405.4
High Voltage ESO-HV, Article 15
Application / Scope ESO-LV, §2596
Bare Conductors Prohibition ESO-HV, §2799.3
Branch Circuits ESO-HV, §2799.2
Cord & Cable Protection ESO-HV, §2799.5
Disconnecting Means ESO-HV, §2799.4
Feeders ESO-HV, §2799.1
Guarding ESO-HV, §2798
Supports for Cords, Cables & Cable Assemblies ESO-HV, §2799.6
Time Limit ESO-HV, §2799.0
Use ESO-HV, §2797
Low Voltage ESO-LV, Article 13
Application / Scope ESO-LV, §2405.1
General Requirements ESO-LV, §2405.2
Ground-Fault Circuit Interrupter-Construction Sites ESO-LV, §2405.4
Temporary Poles ESO-LV, §2405.3
TEMPORARY WORKSITE, notification of carcinogen use GISO, §5203(e)
TENONING MACHINES, Woodworking GISO, §4317
TENSIONING OPERATIONS
Post Tensioning Operations CSO, §1721
Employee Location During CSO, §1721(a)
Limited Access, Signs & Barriers CSO, §1721(b)
TEPP, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TEREPHTHALIC ACID, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TERPHENYLS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TESTING
Air    GISO, §5158(c)
Amusement rides  PARSO, §3195.5
Audiometric Program, For Noise Exposures Over 85 Dba     GISO, §5097(c)
Confined spaces
Permit-required spaces GISO, §5157
 Atmospheric testing procedures GISO, §5157, Appx B
Cranes & Hoists  See under CRANES & Hoisting Equipment, per GISO 
Elevators  See ELEVATORS  
Energized Electrical Equipment   ESO-LV, §2320.3
Explosives, Manufacturing  GISO, §5330 
Eye wash    See also EYEWASH GISO, §5162(e)
Medical See PHYSICAL EXAMINATIONS
TESTING LABORATORIES See LABORATORIES
TESTING, per ESO
Treated as Energized Until Tested, Electrical Equipment / Conductors ESO-LV, §2320.3
TESTING, for Airborne Contaminants, per TSO TSO, §8424(a)
   "            "             "             " TSO, §8470(d)
Record keeping  of Testing TSO, §8424(a)
Testing Criteria TSO, §8424(b)
Testing Devices TSO, §8424(g)
Testing for Oxygen Levels TSO, §8424(h)
TESTING & LOCATING OF CABLE FAULTS, per TelSO  TelSO, §8613
Testing Procedure  TelSO, §8613(b)
Training of Employees TelSO, §8603(a)
Use of High Voltage in Testing Procedure  TelSO, §8613(a)
TETRACHLORODIFLUOROETHANE, Airborne Cont, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRACHLOROETHANE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRACHLORONAPHTHALENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRAETHYL LEAD, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRAFLUOROETHYLENE
Process safety management GISO, §5189, Appx A
TETRAFLUOROHYDRAZINE
Process safety management GISO, §5189, Appx A
TETRAHYDROFURAN, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRAMETHYL LEAD, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRAMETHYL SUCCINONITRILE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRANITROMETHANE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRA SODIUM PYROPHOSPHATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TETRYL, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TEXTILE MACHINERY & OPERATIONS GISO, Article 66
Application  & Scope GISO, §4456
Definitions GISO, §4457
Cards, Revolving Flat type GISO, §4461
Carpet Frayer or Rug Shredder GISO, §4462
Carpet Trimmer, Guarding of Knives GISO, §4463
Circular Knives, Guarding of Knives GISO, §4464
Cloth Cutters GISO, §4476
Commercial sewing machines  GISO, §4475
Cotton Picker, Opener & Willower GISO, §4465
Cotton Combers, Textile Machinery   GISO, §4459
Cotton Dust, Exposure to GISO, §5190
Cuttles  GISO, §4474
Doublers (Sliver & Ribbon Lap Machines) GISO, §4469
Drawing Frames, Textile Machinery  GISO, §4459
Drying Cans GISO, §4472
Dye Jigs GISO, §4471
Folders, Cuttle or Swing Folder GISO, §4474
Garnett Machine GISO, §4470
Hand Bailing Machine GISO, §4473
Looms, Shuttles GISO, §4460
Napper GISO, §4468
Picker Machines GISO, §4466
Pile Cutter or Shearer GISO, §4467
Ring Spinning Frames, Textile Machinery GISO, §4459
Roving Parts, Textile Machinery GISO, §4459
Rug Shredder & Carpet Frayer GISO, §4462
Sewing Machines, Commercial GISO, §4475
Shearers  GISO, §4467
Shuttles, Looms GISO, §4460
Sliver & Ribbon Lap Machines (Doublers) GISO, §4469
Slubbers, Textile Machinery GISO, §4459
Swing folders GISO, §4474
Twisters interlocks for gear housing covers  GISO, §4459
Warpers, Textile Machinery GISO, §4458
THALLIUM COMPOUNDS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
THEATERS & SIMILAR LOCATIONS  ESO-LV, Article 70
Application / Scope ESO-LV, §2552.1
Arc lamps  ESO-LV, §2552.61
Bracket Fixture Wiring ESO-LV, §2552.63
Cable Connectors ESO-LV, §2552.67
Conductors for Lamps & hot equipment ESO-LV, §2554.14
Conductors for Portables ESO-LV, §2552.68
Dressing rooms
Lamp guards ESO-LV, §2552.72
Pendant Lamp holders ESO-LV, §2552.71
Emergency Lighting, Switch Location  ESO-LV, §2571.21
Festoons ESO-LV, §2552.65
Lamps, Arc ESO-LV, §2552.61
Lamps & hot equipment Conductors  ESO-LV, §2554.14
Lamp Guards ESO-LV, §2552.72 
Lamp Scaffolds & Parallels  GISO, §3245
Lamps in Scene Docks ESO-LV, §2552.47
Motion picture projection rooms  GISO, §3245
Motion Picture Projectors ESO-LV, §2552.2
Pendant Lamp-holders ESO-LV, §2552.71
Portable Plugging Boxes ESO-LV, §2552.62
Power Strips, Portable ESO-LV, §2552.64
Projectors, Motion Picture ESO-LV, §2552.2
Nonprofessional type Projectors 
Approval  ESO-LV, §2554.32
Booth not required  ESO-LV, §2554.31
Definition  ESO-LV, §2554.30 
Film Marking  ESO-LV, §2554.35
Illumination, Sources of  ESO-LV, §2554.33
Marking, Information Plate ESO-LV, §2554.34
Professional Type Projectors
Approval  ESO-LV, §2554.20
Conductors for Lamps & hot equipment ESO-LV, §2554.14
Conductor Size ESO-LV, §2554.13
Definition  ESO-LV, §2554.2
Flexible cords  ESO-LV, §2554.15
Equipment Prohibited ESO-LV, §2554.11
Lamp guards  ESO-LV, §2554.16
Location of equipment  ESO-LV, §2554.10
Marking  ESO-LV, §2554.21
Motor- Driven Projectors  ESO-LV, §2554.12
Prohibited Equipment  ESO-LV, §2554.11
Portable plugging boxes  ESO-LV, §2552.62
Portable stage equipment See under Stage Equipment, Portable, under this listing
Portable strips  ESO-LV, §2552.64
Sound Recording & Reproducing Equipment  ESO-LV, §2554.50
Grouping of conductors ESO-LV, §2564.6
Scope of article  ESO-LV, §2564.1
Sound Reproduction ESO-LV, §2552.3
Stage Equipment, Portable
Arc lamps  ESO-LV, §2552.61
Bracket Fixture Wiring ESO-LV, §2552.63
Cable Connectors ESO-LV, §2552.67
Conductors for Portables ESO-LV, §2552.68
Festoons ESO-LV, §2552.65
Portable Plugging Boxes ESO-LV, §2552.62
Power Strips, Portable ESO-LV, §2552.64
Special Effects, Electrical Devices ESO-LV, §2552.66
Special Effects, Electrical Devices ESO-LV, §2552.66
Switchboards, Fixed, on Stage
Dead-front type  ESO-LV, §2552.21
Enclosure of hack ESO-LV, §2552.22
Guarding Back of Switchboard ESO-LV, §2552.22
Lamps in Scene Docks ESO-LV, §2552.47
Switchboards, Portable, on Stage 
Construction ESO-LV, §2552.53
Over-current Protection ESO-LV, §2552.52
Power Supply ESO-LV, §2552.51
THERMO-SETTING PLASTIC MOLDING PRESSES GISO, §4601 
THIMET, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
THIOBIS BUTYL, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
THIODAN, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
THIOGLYCOLIC ACID, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
THIONYL CHLORIDE
Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process safety management GISO, §5189, Appx A 
THIRAM, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
THREADING / CUTTING MACHINE, PIPE, Portable
Controls, Momentary Contact Device GISO, §4086
TIE OFF, FALL PROTECTION, Means of
Floor Openings GISO, §3212
Guardrails, Elevated Locations, Required at GISO, §3210 
Roof Openings GISO, §3212
Specifications of Guardrails GISO, §3209 
Wall Openings, at  GISO, §3211
TIE OFF, FALL PROTECTION REQUIREMENTS, per CSO CSO, Article 24
Anchorages CSO, §1670(i)
Approval of Equipment CSO, §1670(f)
Body Belts Prohibition of Personal Fall Restraint Systems CSO, §1670(b)
Controlled Access Zones  CSO, §1671.2(a)
Eave Barriers CSO, §1724(e)
Guard Railings CSO, §1724(e)(1)
Securing of  CSO, §1724(e)(2)
General, Construction Activities CSO, §1669
Fall Arrest Systems     CSO, §1670(b)
Subjected to In-Service loading, Use Prohibited CSO, §1670(h)
Fall Protection Plan      CSO, §1671.1
Fall Restraint Systems  CSO, §1670(d)
Helicopter ground crews  CSO, §1909
Horizontal Movement, Lanyard Sliding Attachment CSO, §1670(g)
Impalement, To Protect from Rebar & Other CSO, §1712(e)
Inclines, Slopes, Working on >40O , Fall Protection Required CSO, §1670(a)
Labeling CSO, §1670(k), (l)
Lanyards, securing of CSO, §1670(e)
Lifelines  CSO, §1670(i), (j)
Monitoring, Safety  CSO, §1671.2(b)
Personal Fall Protection Devices  CSO, §1670
Personal fall Arrest Systems CSO, §1670(b)
Personal Fall Restraint Systems  CSO, §1670(d)
Positioning Devices CSO, §1670(c)
Power Poles, Towers or Similar Structures, Elevated Locations on, per ESO CSO, §1670(a), Note 
Power Poles, Towers or Similar Structures, Working From, per TelSO  CSO, §1670(a), Note 
Roofing Operations CSO, §1670(a), Note 
General Requirements CSO, §1724(f) 
Hazards CSO, §1730
New Production-Type Residential Construction CSO, §1731
Specific Roofing Activities CSO, §1731(b)-(f)
Reinforcing Steel, Rebar, Work over  CSO, §1712(e)
Removal from Service, Exposed to In-Service loading CSO, §1670(h)
Safety Belts, Use of CSO, §1670(b)
Prohibition for Fall Arrest Systems CSO, §1670(a)
Safety monitoring, Controlled Access Zone  CSO, §1671.2
Safety Nets      CSO, §1671
Slopes, Working On >40O , Fall Protection Required CSO, §1670(a)
Steel erection operations to See also CSO, Article 29 CSO, §1670(g), Note
Structural steel erection CSO, §1710
Wire Rope, used as Guard Railing CSO, §1710(l)(3)
Used as Catenary Line and Guard Rail CSO, §1710(m)(4)
Used as Catenary Line CSO, §1670(b)(2)
Unconventional methods, plan  CSO, §1671.1
When required  CSO, §1669
Wire Rope
Used as Guard Railing, Steel Erecting CSO, §1710(l)(3)
Used as Catenary Line and Guard Rail CSO, §1710(m)(4)
Used as Catenary Line CSO, §1670(b)(2)
Wire Rope Center, Lifelines w/ CSO, §1670(j)
Wood framing systems CSO, §1716.1
TIE OFF, FALL PROTECTION REQUIREMENTS, per ESO
Fall Protective Equipment ESO-HV, §2940.6(b) 
Linemen’s Body Belts & Lanyards ESO-HV, §2940.6(c) 
Power Poles, Towers or Similar Structures, per ESO ESO-LV, §2320.8
TIE OFF, FALL PROTECTION REQUIREMENTS, per GISO
Aerial Devices GISO, §3648(o)
Date palm operations, Fall Protection for GISO, §3458
Job briefing  GISO, §3458(e)
Inspection of fall protection equipment GISO, §3458(f)
Positioning devices GISO, §3458(d)
Saddles  GISO, §3458(c)
Definition GISO, §3207
Elevated Locations GISO, §3210(a)
Elevating Work Platforms GISO, §3642(a) 
Floor Openings GISO, §3212(a)
Illustration, Design GISO, §3209, Figure SG-1
Ladderway GISO, §3212(a)
Life lines See SAFETY BELTS
Outdoor Advertising Signs GISO, §3416
Anchorage GISO, §3416(e)
Powered Platforms GISO, §3284(c)
                                  GISO, §3299
Roof Openings GISO, §3212(a)
Safety Belts See SAFETY BELTS
Specification, Design, Guard Railings GISO, §3209
Tanks, Vats, Pans, Open GISO, §3480(b)
Window Washing GISO, §3284(c)
                               See under WINDOW CLEANING
TIE OFF, FALL PROTECTION REQUIREMENTS, per MSO
Bin, Bunkers, Other Storage Containers, Entry into  MSO, §6981(a)
Life Lines & Safety Belts MSO, §6981 
Damaged Life Lines MSO, §6981(b)
Replacing Damaged Life Lines MSO, §6981(c)
Safety Belts, Type Approval By Cal/OSHA  MSO, §6981(f)
Securing of Life Lines MSO, §6981(e)
Size of Life Lines MSO, §6981(b)
Inspection of Life Lines MSO, §6981(d)
TIE OFF, FALL PROTECTION REQUIREMENTS, per PSO-D&P 
Fall Protection Requirements, Derrick / Mast Work PSO-D&P, §6580
TIE OFF, FALL PROTECTION REQUIREMENTS, Window Cleaning GISO, §3284
TIGHTENERS, BELT   GISO, §4071
TILES, Stabilized, Stacked CSO, §1549(a)
TILT-UP CONCRETE PANEL CONSTRUCTION     CSO, §1715
TIMBER  See LOGGING OPERATIONS and SAWMILL OPERATIONS
TIMBER, Suggested Load Limits CSO, §1938, Appx B, Plate B-10
Square Columns, Suggested Load Limits CSO, §1938, Appx B, Plate B-9
TIN COMPOUNDS
Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TIPPING PREVENTION, limiting height of stored Material  GISO, §3241(c)
TIRNBERING, Underground Mining MSO, §6990
TIRE INFLATION  GISO, §3325
TIRE REPAIR, Split Rim Wheels GISO, §3326
Tires, Inflation & Mounting GISO, §3325
Split-Rim Mounting, Safety Practices GISO, §3327
TITANIUM, Combustible Metals GISO, §5175
TOBACCO See also SMOKING
Cigar cutters GISO, §4558
Machine / Operations See FOOD & TOBACCO MACHINES & OPERATIONS
TOEBOARDS, per CSO  CSO, §1621(b)
Alternative to CSO, §1621(c)
Material containment CSO, §1621(b), (c)
Stairwells, Around  CSO, §1626(a)(2)
TOEBOARDS, per GISO  GISO, §3212(a)
Definition GISO, §3207
Elevated Locations GISO, §3210(a)
Floor Openings GISO, §3212(a)
Illustration, Design GISO, §3209, Figure SG-1
Ladderway GISO, §3212(a)
Roof Openings GISO, §3212(a)
Specification, Design GISO, §3209(d)
Tanks, Vats, Pans, Open GISO, §3480(b)
TOILET FACILITIES, GISO Restroom & Sanitary Requirements
Cleanliness/ Sanitary Condition GISO, §3364(b)
Soap In     GISO, §3366(d)
Toilet Paper, In GISO, §3364(d)
Toilet Paper Holders  GISO, §3457(c)(3)(C)
Maintained GISO, §3364(b)
Separation Walls & Doors GISO, §3364(d)
Towels, In GISO, §3366(e), (f)(3)
Water Temperature     GISO, §3366(d)
TOILET FACILITIES, Operation Specific
Agricultural Operations GISO, §3457(c)(2)
Toilets, At Agricultural Operations GISO, §3457(c)(2)
Toilet Paper Holders  GISO, §3457(c)(3)(C)
Construction Jobsites CSO, §1526 
Decompression Chambers  GISO, §6095(f)
Mining Operations MSO, §6978 
Pressurized Worksites
Decompression chambers  GISO, §6095(f)
Working chambers  GISO, §6100(d)
Ship Building, Breaking & Repair Operations SSO, §8397.4(d)
Tunneling Operations TSO, §8433
TOILET PAPER    
In Bathrooms GISO, §3364(d)
Toilet Paper Holders  GISO, §3457(c)(3)(C)
TOLUENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TOLUENE DIISOCYANATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TOLUIDINE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TOLUOL, (Toluene) Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TONGS, PIPE, per PSO-D&P 
Post & Safety Line Requirements  PSO-D&P, §6605
TONGS, Power Tongs, Control Mechanisms  PSO-D&P, §6628
TONGUE GUARDS, Exposure Adjustment, Grinders    GISO, §3578(g)
TOOL DESIGN, Ergonomics
Control of Exposures, RMI Prevention Program Requirements  GISO, §5110(b)(2)
TOOLS, Double Insulated Tools, Grounding Exception   ESO-LV, §2395.45, Exception (2)
TOOLS, General 
Employers Responsibility  GISO, §3556(a)
Insulated Tools, Grounding Exception ESO-LV, §2395.45, Exception (2)
Intended Use, Only GISO, §3556(b)
Unsafe Tool Use Prohibited  GISO, §3556(c)
TOOLS, Hand, per CSO 
Defective, Remove from service CSO, §1699(a)
Electrical Power Hand Tools
Lifting / Hoisting by Electric Cord CSO, §1707(a)
Employee Owned   GISO, §3556
Hydraulic power tools, Safe Operating Pressure  CSO, §1707(c)
Lifting / Hoisting by Electric Cord Prohibited CSO, §1707(a)  
Pneumatic Power Tool General Requirements CSO, §1707(b)  
Hose Connections, By Positive Means CSO, §1707(b)(1)  
Lifting / Hoisting by Hoses Prohibited CSO, §1707(b)(3)  
Safe Operating Pressure, Manufacturer’s CSO, §1707(b)(2)  
Pneumatically Driven Nailers & Staplers   CSO, §1704
Air Hose, Securing of CSO, §1704(d)
Code of Safe Practice Requirement CSO, §1704(f)
Definitions CSO, §1704(a)
Disconnecting Requirement CSO, §1704(c)
General Safety Requirements CSO, §1704(b)
Safety Device CSO, §1704(e)
Trainers  CSO, §1704(g)
Powder-actuated tools    See TOOLS, POWER-ACTUATED
Preventing Tools from falling CSO, §1699(b)
Repairing Unsafe Tools CSO, §1699(a)
Staplers, pneumatically driven See under Pneumatically Driven Nailers & Staplers  
TOOLS, Hand, per ESO
Electrical Grounding, Cord- & Plug-connected  ESO-LV, §2395.45(a)
Double Insulated Tools, Grounding Exception ESO-LV, §2395.45, Exception (2)
High Voltage Operation ESO-HV, §2940.6(g) 
Inspection of Tools, Employee Instructed to ESO-HV, §2940(b)
Inspection, Tools & Protective Equipment ESO-HV, §2940.6
TOOLS, Hand, per GISO  CSO, §1699
Special Hand Tools GISO, §3330 
TOOLS, Hand, per LSSO  CSO, §1699
Logging & Sawmill Operation LSSO, §6263
TOOLS, Hand & Portable Power Tools GISO, Article 20 
Definitions GISO, §3555
Airless Spray Guns GISO, §3559.1
Controls & Switches for Portable Tools GISO, §3557
Employee Owned Tools   GISO, §3556
Handling Heavy Tools at Drilling Wells, per PSO-D&P  PSO-D&P, §6607
Jacks GISO, §3562
Lawn Mowers, Power GISO, §3563
Pneumatic & Powder Actuated Tools GISO, §3559
Portable Winches GISO, §3564
Powder Actuated Tools Pneumatic & GISO, §3559
Prohibiting Use of Unsafe Hand Tools GISO, §3556(a)
Restricted Use GISO, §3556(b)
Safe Condition of Tools GISO, §3556(a)
Switches & Controls for Portable Tools GISO, §3557
Winches, Portable GISO, §3564 
TOOLS, POWDER-ACTUATED  CSO, Article 27
Approval Number, California CSO, §1684(a)((2)
For Intended Use CSO, §1684(a)(1)
Container, Tool, Requirements      CSO, §1687(a)
Contents Required  CSO, §1689(b)
Labeling of Container CSO, §1687(a)
Lockable CSO, §1687(a)
Defective Tools, Placed out-off Service CSO, §1691(d)
Tag, Defective Tool CSO, §1691(d)
Defined CSO, §1504
Design Requirements      CSO, §1684 
Eye or Face Protection CSO, §1691(b)
Explosive atmosphere, prohibited CSO, §1690(a)
Fasteners & Power Loads CSO, §1691(f)
Chart CSO, §1687(b)(2)
Manufacturer’s recommendations to be followed CSO, §1691
Materials, not to be driven into certain  CSO, §1690
Fastening Operation 
Brittle Material, prohibition CSO, §1690(c)
Penetration Control, for Soft Material CSO, §1690(d)
Steel, Edge of, Fastening CSO, §1690(e)
Very Hard Materials, prohibition CSO, §1690(c)
Flammable atmosphere, prohibited CSO, §1690(a)
Hands & Feet, Clear from Barrel CSO, §1691(j)
Inspection CSO, §1689(a)
Prior to Use CSO, §1691(c)
Inspection Record CSO, §1687(b)(3)
Maintenance & CSO, §1689(a)
Instruction manual  CSO, §1687(b)(1)
Storage in tool container CSO, §1689(b)
Instruction, Operator CSO, §1685(b)
Instructor Qualifications CSO, §1685(b)(1), (2)
Labels on Containers CSO, §1687(a)
Limitations of Use      CSO, §1690
Loading CSO, §1691(g)
Maintenance & Service CSO, §1689(a)
Service Record CSO, §1687(b)(3)
Manual Requirement      CSO, §1687(b)(1)
Storing of Manual     CSO, §1689(b)
Manufacturer’s Supplied Accessories, Shields, Adapters CSO, §1691(e)
Misfiring CSO, §1691(l)
Operation Requirements  CSO, §1691
According to Manufacturer’s Instructions CSO, §1691(a)
Operator 
Card CSO, §1685(a)(1), (2)
Instruction CSO, §1685(a)
Qualifications CSO, §1685(a)
Pointing of Loading or empty Tools, Prohibition CSO, §1691(i)
Pole Tool Assemblies      CSO, §1688
Approval Criteria for Pole Tools CSO, §1938, Plate C-37
Positioning the Tools CSO, §1691(k)
Power Loads & Fasteners CSO, §1691(f)
Keeping, Storing CSO, §1691(m)
Limitations of Power Loads      CSO, §1692(c)
Locked Container     CSO, §1689(c)
Identification of Power Loads      CSO, §1692, Table 1
Identification of Power Load Packages      CSO, §1692(d)
Identification of Cased Power Loads      CSO, §1692(a)
Identification of Case-less Power Loads      CSO, §1692(a)
Power Load Identification Table CSO, §1692, Table 1
Service tools CSO, §1687(b)
Signs CSO, §1691(n)
Storing of           CSO, §1689(c) 
Tool, Requirements for      CSO, §1687(c)(4)
Tool Accessories, requirements for      CSO, §1687(b)
Training, Instructor Qualifications CSO, §1685(b)  
Un-attended Tools CSO, §1690(b)
Unloading, when Work is Interrupted or not in-use CSO, §1691(h)
Use, Limitations of CSO, §1690
Warning Label Requirements      CSO, §1687(a) 
TOOLS & EQUIPMENT, Miscellaneous, per PSO-D&P PSO-D&P, §6646
TOOLS & EQUIPMENT, per TelSO 
Aerial Splicing Platforms  TelSO, §8609(b)
Aerial Tents, Flame-type heaters use Restricted TelSO, §8609(a)
Cable Reels, Handling of TelSO, §8612(b)
Clearance to High-Voltage Power Lines TelSO, §8610(d)
Daily Visual Inspection of Equipment TelSO, §8610(a)
Daily Testing of Brakes & Operating Systems TelSO, §8610(b)
Defective Tools & Equipment, Removal from Service TelSO, §8605(b) 
Equipment Requirements TelSO, §8605 
Flame-type heaters, Restricted use TelSO, §8609(a)
Gaffs, Pole climbers TelSO, §8607
Gaff Length TelSO, §8607(a)
Inspections of Pole Climbers TelSO, §8607(b)
Safety Caps for Gaffs TelSO, §8607(a)
Test, Gaff Cut-out, Weekly TelSO, §8607(c)
Pole climber Use, Wood Poles only TelSO, §8607(a)
Ground Tents, Flame-type heaters use Restricted TelSO, §8609(a)
Hoisting Equipment TelSO, §8611
Clearances to High-Voltage Conductors / Equipment TelSO, §8611(a)
Handling Poles Near High-Voltage TelSO, §8611(a)
Inspections of Tools & Equipment TelSO, §8605(a)
Insulated Equipment, Rubber TelSO, §8606
Ladders
Pole & Towers TelSO, §8608
Man Holes  TelSO, §8616(e)
LP Gas Containers Pursuant to UFPV TelSO, §8602(f)
Rollover Protection TelSO, §8610(c)
Soldering Devices  TelSO, §8609(c)
Lead Work  TelSO, §8609(d)
Eye Protection TelSO, §8609(c)
Wiping Operations  TelSO, §8609(c)
Wiping Gloves TelSO, §8609(c)
Cloths TelSO, §8609(c)
Special Equipment & Tools  TelSO, §8605 
Tents, Aerial, Restriction of Flame-type heaters Use TelSO, §8609(a)
Tent Heaters, Restricted use TelSO, §8609(a)
Torches, Restricted use  TelSO, §8609(b)
Tools Inspections, Daily TelSO, §8605(a)
Vehicle-Mounted, Material Handling Equipment TelSO, §8610
Daily Visual Inspection of Equipment TelSO, §8610(a)
Daily Testing of Brakes & Operating Systems TelSO, §8610(b)
Rollover Protection TelSO, §8610(c)
Clearance to High-Voltage Power Lines TelSO, §8610(d)
TORDON, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TOWELS, In Restroom / Washing Facility    GISO, §3366(e), (f)(3)
TOWER CRANES GISO, Article 96
Application  GISO, §4965(a)
General Requirements See under CRANES
Access for Maintenance of Crane Components GISO, §4965(g)
Application of standard GISO, §4965(a)
Brake System GISO, §4965(f)
Booms, Unattended GISO, §4967
Chart, Load Rating GISO, §4965(c)
Dismantling GISO, §4966
Electrical Grounding GISO, §4969
Electrical Requirements per ESO See CRANES & HOISTS, Requirements per ESO
Erection, Dismantling, Operation  GISO, §4966
Erection, Dismantling GISO, §4966(a)
Illustrations of Tower Crane
Climber GISO, §4885, Plate I, Fig. 16
Free Standing GISO, §4885, Plate I, Fig. 17
Hammerhead GISO, §4885, Plate I, Fig. 7
Luffing Boom GISO, §4885, Plate I, Fig. 17-A
Mobile Crane, with Tower Attachment GISO, §4885, Plate I, Fig. 15
Tower, (Whirley Type) GISO, §4885, Plate I, Fig. 6
Information booklet provided with GISO, §4965(b) 
Inspection, Testing, Maintained, Operated GISO, §4965(i), (j)
Lashing booms GISO, §4967
Load Chard, durable, clear GISO, §4965(c)
Load Limit Device  GISO, §4966(f)
Load Line Positioning  GISO, §4966(g)
Load Rating Chart GISO, §4965(c)
Limit Switches, Rail Mounted Cranes GISO, §4965(h)
Manual, Design, Erection, Operation, Repair GISO, §4965(b)
Maintained , Testing, Inspection, Operated GISO, §4965(i), (j)
Mast,  Securing of  GISO, §4966(c)
Mobil Towers, Hoists & Similar Equipment GISO, §4986
Operating Rules See under CRANES
Operation, Maintenance , Testing, Inspection GISO, §4965(i), (j)
Operation Manual, Booklet GISO, §4965(b)
Operator Certification GISO, §5006.1   
Operator Qualifications GISO, §5006.1
Operator Position  GISO, §4966(h)
Overload Prevention Device GISO, §4965(d)
Raising of Mast Section  GISO, §4966(e)
Safety Devices  GISO, §4968
Visual Signal GISO, §4968(a)(1)
Audible Signal GISO, §4968(b)
Audible & Visual Signal GISO, §4968(c)
Automatic Stop GISO, §4968(d)
Load Limits Set By Crane Manufacturer GISO, §4968(e)
Limit Device, Hook Deceleration  GISO, §4968(f)(1)  
Limit Device, Trolley Travel  GISO, §4968(f)(2)  
Limit Device, Constant Pressure Control  GISO, §4968(f)(3)  
Load Weight Indicator  GISO, §4968(a)(2)   
Overload Prevention GISO, §4965(d)
Trolley Radius Indicator GISO, §4968(a)(2)    
Safety Lines GISO, §4965(g)
Swing Control Device GISO, §4965(e)
Testing, Inspection, Maintained, Operated GISO, §4965(i), (j)
Unattended Booms GISO, §4967
Unbraced, Free Standing Portion Limits  GISO, §4966(b)
Vertical Supports, Structural Damage Prevention  GISO, §4966(d)
TOWER, PRUNING, Orchard Man-lift    GISO, §3641
TOWER SCAFFOLDS, Mobile GISO, Article 23
Definitions GISO, §3621
General Requirements GISO, §3622
Scope GISO, §3620
Mobile Ladder Stand GISO, §3627
Mobile Scaffolds
Tube & Coupler GISO, §3625
Tubular Welded Frame GISO, §3623
Tubular Welded Sectional Folding GISO, §3624
Mobile Work Platform GISO, §3626
TOWS, Rope See under PASSENGER TRAMWAY SAFETY ORDERS 
TOXIC CHEMICALS
                      See also CARCINOGENS
                      See also AIRBORNE CONTAMINANTS
Chemical Toxins Listed GISO, §5189, Appx A
Contaminants, Airborne, Chemical, listed GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process Safety Management of See PROCESS SAFETY MANAGEMENT
TRACKLESS MINE HAULAGE EQUIPMENT & Practices MSO, §7018
Canopy Guard MSO, §7020
TRACKS, Train, per TSO TSO, §8476
TRACTORS, Agricultural See Tractors in AGRICULTURAL SAFETY ORDERS
TRACTORS, Industrial GISO, Article 25
Brake & Parking Brake Requirement GISO, §3661
Definitions  GISO, §3649
Deflector Guards  GISO, §3654
General Industrial Tractor Requirements GISO, §3651
Internal Combustion Engines, Use of  GISO, §3662
Maintenance of GISO, §3663
Operating Rules GISO, §3650(t)
Posting & Enforcing of GISO, §3664
Operator Platforms GISO, §3658
Rated Capacity  GISO, §3660
Seatbelts  GISO, §3653
Training GISO, §3664
Warning Devices, Audible GISO, §3661
Wheel Guards  GISO, §3665 
TRACTORS, Logging & Sawmill Operations LSSO, Article 9
Canopies LSSO, §6309
Capacity Markings LSSO, §6313 
Design & Construction LSSO, §6312
Erecting, Lowering & Moving of LSSO, §6314
Guying of Spars LSSO, §6315
Identification & Capacity Markings LSSO, §6313
Inspection, Repair & Maintenance of LSSO, §6317
Jill Poke Protection  LSSO, §6309
Jill Poking, Defined LSSO, §6309(e)
Maintenance of LSSO, §6317
Overhead Guard Protection  LSSO, §6309
Repair of LSSO, §6317
Rigging of  LSSO, §6402, Appx A
Rollover Protection  LSSO, §6309
Signals, Logging  LSSO, §6402, Appx A
Tractors & Arches LSSO, §6308
Use of Spars, Portable Metal LSSO, §6316
TRADE SECRETS  GISO, §5194(c), (g), (i)
Definitions  GISO, §5194, Appx D
Excluding Trade Secret Information from Submitted Records   GISO, §3204(f)
TRAFFIC CONTROL, Private Roads, Haulage & Earth Moving Equipment  CSO, §1590(a)
Logging Operation, During, Specified  LSSO, §6276
TRAFFIC CONTROL, Public Streets & Highways  CSO, §1598
Flaggers CSO, §1599
Employees exposed to Vehicle Traffic at Excavations CSO, §1541(d)
High Visibility Safety Apparel, Flaggers, warning garments CSO, §1599(d)
High Visibility Safety Apparel, Flaggers, during hours of darkness CSO, §1599(e)
High Visibility Safety Apparel, Flaggers, proper type CSO, §1599(f) 
Number of Flaggers CSO, §1599(a)
High Visibility Safety Apparel   CSO, §1598(c), (d), (e)
Logging Operation, During, Specified  LSSO, §6276
Signs    CSO, §1598(b)
Vehicular traffic, Exposure to CSO, §1541(d)
TRAILER
Chocking    GISO, §3650(t)(22)
Securing during Loading/Unloading    GISO, §3650(j)
TRAINS, Equipment & Practice, per MSO  MSO, §7024
Underground Train Operations MSO, §7025
TRAINS, Haulage, per TSO  TSO, §8474
Block Signals  TSO, §8477
Car Passers TSO, §8479
Cherry Pickers TSO, §8479 
Lights on Trains TSO, §8472
Locomotives, Haulage TSO, §8471
Refuge, Places of  TSO, §8482
Safe Practices & Operations Code for Trains TSO, §8568, Appx A, 24-30
Switches  TSO, §8481
Switches, Portable TSO, §8478
Tracks, Train TSO, §8476
Transportation of Workers  TSO, §8473
Visibility, Limited Visibility Precautions TSO, §8475
TRAINING, Amusement Rides, Permanent, Safety, per PARSO 
Maintenance & Inspections, Employees Performing PARSO, §3195.6
Operation Procedures, Employees Performing PARSO, §3195.7
TRAINING, General Safety Training, per CSO  CSO, §1510 
Emergency Medical Service Workers CSO, §1512
Employees, Fist Aid, Specific to Workplace Hazard CSO, §1510(c)
Hazardous Chemicals     CSO, §1926.59
   When first Hired CSO, §1510(a) 
   When Operating Machinery / Equipment CSO, §1510(b) 
   When subject to Known Hazard CSO, §1510(c) 
TRAINING, per ESO
Regarding Inspecting, Testing of Safety devices, tools, & equipment ESO-HV, §2940(b)
Qualified Person ESO-HV, §2940(c)
TRAINING, per GISO  GISO, §3203(a)(7)   
Acetylene Generator System Operator GISO, §4799
Aerosol Transmissible Diseases GISO, §5199(i)
Aerosol Transmissible Diseases, Zoonotic           GISO, §5199.1(d)(9)
Asbestos Work  CSO, §1529(k)(9)
Avalanche, Snow, Blasting Operations GISO, §5350   
Avalanche control coordinator  GISO, §5351(e)
Bloodborne Pathogen Exposures GISO, §5193(g)(2)
HIV, HBV & HCV Exposures GISO, §5193(e)(5)
Boatswain’s Chairs   GISO, §3286(a)(2)
Building Maintenance Operations GISO, §3298(a)
Carcinogens, Training GISO, §5209(e)(5)
Coke Oven Emissions, Training  GISO, §5211(t)
Compreesed Air Safety Orders, Pressurized Worksite Operations GISO, §6075(c)
Confined Spaces, Permit Required GISO, §5157(g)
Confined Space, not Permit Required GISO, §5158(c)(2)
Cotton Dust GISO, §5190(i)
Diving Operations, Training / Experience of GISO, §6052(d)   
Emergency Action Plan   GISO, §3220(e)(3)
Emergency Response, Hazardous Material Release
Refresher Training GISO, §5192(q)(8)
Trainers Training GISO, §5192(q)(7)
Training of Responders GISO, §5192(q)(6)
Erection of Structural Steel CSO, §1710 (q)
Ergonomics    GISO, §5110(b)(3)
Explosives
Blasters Training GISO, §5239
Manufacturing & Processing Employees GISO, §5322
Fire Extinguishers, Use of  GISO, §6151(g)
First Aid / CPR Training, General
Agricultural Operations  GISO, §3439(b)
Construction Operations CSO, §1510
Logging & Sawmills LSSO, §6251(d)
Tunneling Operations TSO, §8421 
Forklift, General Training Requirements GISO, §3668
Certification of Training GISO, §3668(f)
Duplicative Training, Avoidance of GISO, §3668(e)
Evaluation of Competency GISO, §3668(a), (d)
Operating Rules when Elevating Employees, Instructions of GISO, §3657(i), (j)
Operating of Trucks by Trainee GISO, §3668(b)
Training Program Content GISO, §3668(c)
Refresher Training & Evaluation GISO, §3668(d)
Fuel Gas & Oxygen System Operators  GISO, §4799
General Requirement, IIPP GISO, §3203(a)(7)
Grain Handling Operations GISO, §5178(n)
Hazard Communication (Hazcom) Program GISO, §5194(h)
Hazardous Material Exposure
Arsenic, Inorganic GISO, §5214(m) 
Asbestos GISO, §5208(j)(7)
Benzene GISO, §5218(j)(3)
Cotton Dust GISO, §5190(i)
Dichloromethane, (Methylene Chloride) GISO, §5202(l)
Ethylene Dibromide (EDB)  GISO, §5219(j)
Formaldehyde GISO, §5217(n)
Lead GISO, §5198(l)
Methylene Chloride GISO, §5202(l)
Vinyl Chloride GISO, §5210(j) 
Hazardous Waste Operation Training GISO, §5192(e)
                                                                 See also Emergency Response, Hazardous Material Release Under this Heading
Hazwopper GISO, §5192(e)
Heat Illness Prevention GISO, §3395(e)
Industrial Tractors GISO, §3664
Laboratory, Exposure to Hazardous Chemicals GISO, §5191(f)
Lawn Mowers, Operators of Power Lawn Mowers  GISO, §3563(e) 
Lead GISO, §5198(l)
Mine Safety, per MSO  MSO, §6963
First-Aid at Mining Operations MSO, §6968
Surface Operations MSO, §6968(b)
Underground Mining MSO, §6968(a)
Noise Exposure, Control of GISO, §5099
Oxygen & Fuel Gas System Operators  GISO, §4799
Personal Protective Equipment, PPE GISO, §3380(f)(4)
Certification of Training GISO, §3380(f)(7)
Demonstrate Understanding of Training GISO, §3380(f)(5)
Retraining of Employees GISO, §3380(f)(6)
Powered Platforms, Building Maintenance GISO, §3298(a)
Power Lawn Mower Operators  GISO, §3563(e) 
Power Operated Press    GISO, §4203(b)
Pressurized Worksite Operations GISO, §6075(c)
Process Safety Management GISO, §5189(g)
Pulp, Paper, & Cardboard Mill Operations GISO, §4402
Refinery Operations, Workers  PSO-R,T&H, §6760
Respirators, Respiratory Protection GISO, §5144(k)
Respirator Protection Program, Element of GISO, §5144(c)(1)(G)
Riding on Rolling Scaffolds CSO, §1646(k) 
Rope Access, Use of   GISO, §3270.1 (c)
Trainer Qualifications  GISO, §3270.1 (h)
Tractor Operation GISO, §3664(b)
Tree Work, Maintenance & Removal  GISO, §3421(c)
Welding, Oxygen & Fuel Gas System Operators  GISO, §4799
Wells, Oil & Gas Production Workers  PSO-D&P, §6507
TRAINING, Safety, per MSO  MSO, §6963
Pre-training Assessment of Skill / Knowledge  MSO, §6963
First-Aid Training MSO, §6968
Rescue Procedures MSO, §7085 
Surface Operations, Trained Individuals MSO, §6968(b)
Training Provider Requirements MSO, §6968(c)
Underground Mining, Trained Individuals MSO, §6968(a)
Number of Employees Trained
TRAINING, Passenger Tramway Safety, per PTSO
Program Requirements PTSO, §3155
Submittal to Cal/OSHA PTSO, §3155(b)
TRAINING, Ship Building, Repairing & Breaking, per SSO  SSO, §8397.13
Asbestos SSO, §8358(k)(9)
Chromium (VI) SSO, §8359(j)(2)
TRAINING, Safety, per TelSO 
Animals, Encounters TelSO, §8603(a)(1)
Certification by Employer TelSO, §8603(a)
Emergency Situations TelSO, §8603(a)(2)
First Aid & CPR TelSO, §8603(a)(3)
High Voltage, Testing /Cable Fault Location  TelSO, §8613(a)
Informing / Warning Before Testing  TelSO, §8613(a)
Job Assignments, related to TelSO, §8603(a)
Plants, Harmful TelSO, §8603(a)(1)
Substances, Harmful TelSO, §8603(a)(1)
Insect Bites TelSO, §8603(a)(1)
Record TelSO, §8603(a)
Safe Practices & Precautions TelSO, §8603(a)
Testing & Cable Fault Location Operations  TelSO, §8613(a)
Traffic Control & Work Area Protection TelSO, §8603(a)(4)
Work Area Protection & Traffic Control  TelSO, §8603(a)(4)
TRAINING, Safety & Instruction, per TSO  TSO, §8407
First aid TSO, §8421
TRAMWAYS, AERIAL See under PASSENGER TRAMWAY SAFETY ORDERS 
TRAMWAYS, AERIAL, per MSO  MSO, §7035 
TRANSFER OF FLAMMABLE LIQUIDS, by Air Displacement PSO-R,T&H, §6780
TRANSFORMERS, High Voltage ESO-HV, Article 27
Access openings ESO-HV, §2874(d)
Application / Scope ESO-HV, §2873
Defined ESO-HV, §2700
Flooding, protection from ESO-HV, §2875
General Requirements ESO-HV, §2874
Grounding Requirements ESO-HV, §2878
High Fire Point Liquid-Insulated Transformer Installations ESO-HV, §2875(b)
Dry Type ESO-HV, §2875(c)
Identification ESO-HV, §2874(c)
Location Specific Requirements ESO-HV, §2875
Indoor Installations ESO-HV, §2875(a)
Outdoor Installations ESO-HV, §2875(f)
Flooding, Protection from ESO-HV, §2875(d)
Toxic Gasses, Protection from ESO-HV, §2875(e)
Nameplate, Identification ESO-HV, §2874(c)
Oil-insulated transformers, indoor installations ESO-HV, §2875(b)
Over-current Protection ESO-HV, §2877
Physical damage, protection from ESO-HV, §2874(b)
Poles & Structures, Installations on ESO-HV, §2875(f)
Scope of article ESO-HV, §2873
Specific Requirements, by Type & Location  ESO-HV, §2875
Switching, Isolating ESO-HV, §2876
Signs Warning, “HIGH VOLTAGE” ESO-HV, §2874(e)
Underground Installations ESO-HV, §2875(f)
Ventilation ESO-HV, §2874(a)
Warning sign, “HIGH VOLTAGE” ESO-HV, §2874(e)
TRANSFORMERS & VAULTS, Low Voltage  ESO-LV, Article 57
Application / Scope ESO-LV, §2533.1
Location, Vaults ESO-LV, §2533.2
TRANSMISSION LINES, per ESO
TRANSMISSION LINES, per TelSO 
Overhead TelSO, §8615
Approach Distances to High Voltage Lines TelSO, §8602(h), Table TC-1
Approach Distances to High Voltage Lines, Alternative TelSO, §8602(h)(1) – (3)
Cable Suspension Strands, Testing  TelSO, §8615(d)
Inspection of Strand TelSO, §8615(e)
Conductors, Electrical, Considered Energized  TelSO, §8614(a)
Elevated Work Platforms, Fall Protection TelSO, §8615(f)(1)
Fall Protection TelSO, §8615(g)
For Elevated Work Platforms TelSO, §8615(f)(1)
High Voltage Lines
Poles, Handling of Poles Near TelSO, §8615(i)
Ladder Platforms TelSO, §8615(f)(2)
Measuring Tapes & Ropes, Metal TelSO, §8615(j)
Pole Platforms TelSO, §8615(f)(3)
Poles, Handling TelSO, §8615(i)
Splicing Platforms TelSO, §8615(f)(4)
Suspension Strands, Handling TelSO, §8615(a)
Wire Installation TelSO, §8615(h)
Wood Poles, Need to Test Listed Poles TelSO, §8615(b)
Testing / Inspection Programs TelSO, §8615(c)
Underground Lines TelSO, §8616
Man Holes & Street Openings, Guarding TelSO, §8616(a)
Entering Procedure TelSO, §8616(b)
Joint Power & Tele-com Man Holes TelSO, §8616(d)
First Aid Training  TelSO, §8616(d)
Attendant Duties TelSO, §8616(d)
Flames, Open, in Man Holes  TelSO, §8616(f)
Procedural Requirements TelSO, §8616(f)(1), (2)
Man Hole Platform TelSO, §8616(c) 
TRANSPORTATION, Employees & Materials, per GISO  GISO, Article 27
Definitions GISO, §3700
Back-up Alarms / Warning Devices GISO, §3706
Cab Protection  GISO, §3705
Farm Labor Vehicle, Definition      GISO, §3700
Licensing of Drivers GISO, §3701(a)
Seatbelts Required GISO, §3702(h)
Farm Worker Transportation GISO, Article 27  
Helicopters, Use of GISO, §3710
Licensing of Drivers GISO, §3701
Riding Loads GISO, §3703
Securing Load  GISO, §3704
Transporting Employees GISO, §3702
Truck Warning Devices GISO, §3706
Vehicles, General Requirements   GISO, §3702
TRANSPORTATION, per TSO  TSO, §8473
Construction Personnel Hoist  TSO, §8495(a)(18)
For Medical Emergency, per TSO TSO, §8420(b)
Personnel Hoist  TSO, §8495(b)
Railroads, Transportation & Haulage 
Block signals  TSO, §8477
Car passers and cherry pickers  TSO, §8479
Dumping locations  TSO, §8480
Internal combustion engine restrictions  TSO, §8470
Limited visibility precautions  TSO, §8475
Locomotives  TSO, §8471
Light requirements  TSO, §8472
Refuge stations  TSO, §8482
Switches  TSO, §8481
Portable switches  TSO, §8478
Tracks  TSO, §8476
Trains  TSO, §8474
Worker Transport  TSO, §8473
TRANSPORTATION, Logging Operations, per LSSO  LSSO, Article 13
Trailers LSSO, §6334
Trees & Snags LSSO, §6259
Truck Driving LSSO, §6336
Binding Log Loads  LSSO, §6338
Inspection of Equipment LSSO, §6336(a)
Qualified Truck Driver LSSO, §6336(a)
Truck Drivers License LSSO, §6336(a)
Wrappers LSSO, §6337
Truck & Trailer Equipment LSSO, §6335
Trucks & Trailers LSSO, §6333
TRANSPORTATION, Materials GISO, Article 27
Definitions GISO, §3700
Back-up Alarms / Warning Devices GISO, §3706
Cab Protection  GISO, §3705
Heat Illness Prevention, Agri-Products, Construction & other Heavy Materials GISO, §3395(a)(2)(E)
Helicopters, Use of GISO, §3710
Licensing of Drivers GISO, §3701
Riding Loads GISO, §3703
Securing Load  GISO, §3704
Transporting Employees GISO, §3702
Truck Warning Devices GISO, §3706
TRANSPORTATION, Oil & Gas, Petroleum, per PSO-R,T&H 
Loading and Unloading Platforms & Operations PSO-R,T&H, Article 22
Loading Platforms PSO-R,T&H, § 6879
Loading and Unloading Operations PSO-R,T&H, § 6880
High-Vapor Pressure Hydrocarbons PSO-R,T&H, § 6881
Wharves & Piers PSO-R,T&H, § 6891
TRANSPORTATION, Tunneling Operations
Hoists  TSO, §8494
Employee Transport, Train use TSO, §8473
Material Transport, Train use TSO, §8473
Shaft Conveyance, Employee & Material Transport TSO, §8495(c)
Employee Hoisting, General Practices TSO, §8495(b)
TRANSPORTATION, Mining Operations
Code, Signals for Hoisting Operations MSO, §7141
Conveyance Specifications, Inclined Shaft MSO, §7133
Conveyance Specifications, Vertical Shaft MSO, §7132
First-Class Hoist Required MSO, §7125
First-Class Hoist Specifications MSO, §7126
Employee Transport, General MSO, §7037
Underground Transport of Employees MSO, §7038
Material & Tool Transport, Shaft Conveyance MSO, §7148
Hoisting Personnel, General Practices MSO, §7147
Loading Personnel on Conveyance MSO, §7146
Tool & Material Hoisting MSO, §7148
Material Hoist use prohibition MSO, §7121(a)
Signals, Hoisting Operations MSO, §7141
TRAP, Discharge Locations GISO, §3310
TRASH CONTAINERS   GISO, §3368(c)
TRASH & REFUSE COLLECTION EQUIPMENT, GARBAGE TRUCKS
Application & Scope  GISO, §4342
Definitions GISO, §4343
Collection Equipment  GISO, §4344
Hoist & Tilt-Frame Collection Equipment GISO, §4345
Compaction & Collection Vehicles
Application & Scope GISO, §4350
Definitions GISO, §4351
Balers GISO, §4353
Construction of GISO, §4352
Garbage trucks GISO, §4354
Modification of GISO, §4352
Mobile Compaction Equipment GISO, §4354
Operating Rules / Requirements GISO, §4355
Reconstruction of GISO, §4352
Stationary Compaction Equipment GISO, §4353
TRAVELING BLOCKS & TRAVELING BLOCK HOOKS PSO-D&P, §6638
TRAVEL STOP, Radial Arm Saw     GISO, §4309(b)
TRAVELWAYS, General, per MSO  MSO, §7046
TREADLE CONTROLS    GISO, §4230
TREE TRIMMING OPERATIONS, per ESO
High Voltage Line Clearance ESO-HV, Article 38
Application ESO-HV, §2950
Minimum Approach Distances ESO-HV, §2950(b), Table 1 
Line Clearance Operations  ESO-HV, §2951
TREE WORK, Maintenance & Removal GISO, Article 12
                                                             See also LOGGING OPERATIONS and SAWMILL OPERATIONS
Scope & Definitions GISO, §3420
Accident prevention program  GISO, §3421(a)
Backpack power units  GISO, §3425(b)
Brush Chipper GISO, §3424(c)
Chainsaws  GISO, §6283
Logging Operation Requirements GISO, §3425(a)
Refueling of GISO, §3421(i)
Climber spurs  GISO, §3426(d)
Climbing Equipment & Ropes GISO, §3422 
Climbing trees  GISO, §3427(a)
Electrical Hazards GISO, §3423
Electrical Line Clearance Operations  ESO-HV, §2951
Application of Standard ESO-HV, §2950 
Minimum Approach Distances ESO-HV, §2950(b), Table 1 
Escape Route, Planned GISO, §3427(c)(2)
First aid for employees  GISO, §3421(j)
General Safety Requirements GISO, §3421
Hand Tools GISO, §3426
Hand Tools, Portable Power GISO, §3425
Hearing protection for employees.  GISO, §3421
Insects, Work Place Control of Pests  GISO, §3362(f)
Inspection, Equipment, Prior to use  GISO, §3421(e)
Line Clearance Operations, High Voltage Lines  ESO-HV, §2951
Application of Standard ESO-HV, §2950 
Minimum Approach Distances ESO-HV, §2950(b), Table 1 
Mobile Equipment GISO, §3424
Aerial Devices GISO, §3424(b)
Brush Chipper GISO, §3424(c)
Equipment Requirement GISO, §3424(a)
Operation requirement GISO, §3424(a)
Overhead Electrical Power Lines GISO, §3423
Portable Power Hand tools GISO, §3425
Pruners, Portable Power Hand tools  GISO, §3425(a)
Pruners, Portable Hand tools GISO, §3426(a)
Ropes & Climbing Equipment GISO, §3422 
Qualified Tree Worker
Defined  GISO, §3420(b)
Work Location under Direction of GISO, §3421(b)
Ropes, Climbing GISO, §3426(c)
Saddles for workers, Approval of GISO, §3422
Safe Work Procedure GISO, §3427
Saws, Portable Power Hand tools  GISO, §3425(a)
Saws, Portable Hand tools GISO, §3426(a)
Tools
Hand tools  GISO, §3426
Portable power hand tools  GISO, §3425
Training, Employee  GISO, §3421(c)
Tree Workers’ Saddles GISO, §3422
Water supply, Potable  GISO, §3421(g)
Work Place Control of Pests, Insects, Rodents  GISO, §3362(f)
TREMIES, Securing of CSO, §1698(f) 
TREMOLITE, Asbestiform    See ASBESTOS
TREMOLITE, Non Asbestiform GISO, §5208.1
                                                      See Also CARCINOGENS, Regulated
Caution Signs  GISO, §5208.1(h) 
Caution Labels  GISO, §5208.1(i)
Change Rooms & Special Clothing  GISO, §5208.1(e)
Employee Information & Training  GISO, §5208.1(n) 
Training Program  GISO, §5208.1(n)(1)
Access to Training Materials  GISO, §5208.1(n)(2)
Employee Notification  GISO, §5208.1(k) 
Engineering Controls  GISO, §5208.1(b) 
Exposure Monitoring GISO, §5208.1(g)
Exposure Limits GISO, §5208.1(a)
Monitoring  GISO, §5208.1(g)(1)
Record Keeping  GISO, §5208.1(g)(2)
Records, Transfer of  GISO, §5208.1(m)
Permissible Exposure Limits GISO, §5208.1(a)
Respiratory Protective Equipment  GISO, §5208.1(d) 
Laundering contaminated clothing  GISO, §5208.1(f)
Monitoring & Record Keeping  GISO, §5208.1(g)
Exposure Limits GISO, §5208.1(a)
Monitoring  GISO, §5208.1(g)(1)
Record Keeping  GISO, §5208.1(g)(2)
Records, Transfer of  GISO, §5208.1(m)
Medical Surveillance  GISO, §5208.1(j) 
Medical Examinations   GISO, §5208.1(j)(1)
Record keeping    GISO, §5208.1(j)(2)
Notification of Employees GISO, §5208.1(k) 
Record Keeping  GISO, §5208.1(g)
Record Keeping  GISO, §5208.1(g)(2)
Records, Transfer of  GISO, §5208.1(m)
Reports of Use Per §5203  GISO, §5208.1(l) 
Respiratory Protective Equipment  GISO, §5208.1(d) 
Personal Protective Equipment
Respiratory Protective Equipment  GISO, §5208.1(d) 
Special Clothing  GISO, §5208.1(e)
Training & Employee Information  GISO, §5208.1(n) 
Training Program  GISO, §5208.1(n)(1)
Access to Training Materials  GISO, §5208.1(n)(2)
Transfer of Records  GISO, §5208.1(m)
Work Practices  GISO, §5208.1(c)
TRENCH COVERS
General Industry GISO, §3213(c)
Construction Operations  CSO, §1597(k)
TRENCH SHIELDS, at Excavations CSO, §1541.1 
                                                          See also EXCAVATIONS
TRENCHES
Access & Egress CSO, §1541(c)
Adjacent structures, Stability of CSO, §1541(i)
Application & Scope of Article 6, CSO  CSO, §1540(a)
Definitions CSO, §1540 
Atmosphere, Testing of CSO, §1541(g)(1)
Barricades, Mobile equipment approaching Excavation CSO, §1541 (f) 
Basket Stretcher, Emergency Rescue Equipment CSO, §1541(g)(2)
Benching & Sloping CSO, §1541.1, Appx B 
Benching Systems CSO, §1541.1(f) 
Design of Benching systems CSO, §1541.1(b) 
Breathing Apparatus, Emergency Rescue Equipment CSO, §1541(g)(2)
Cave-in Protection CSO, §1541.1 
Competent Person CSO, §1541(k)(1)
Classify Soils, Shall CSO, §1541.1, Appx A (c)(1) 
Culverts, Operating Internal Combustion Engines Inside  CSO, §1533(a)
Confined Space Requirements CSO, §1533(c)
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
Emergency Rescue Equipment CSO, §1541(g)(2)
Employee Protection in CSO, §1541.1(a)
Equipment used for Protective Systems CSO, §1541.1(d)
Falling Loads, Exposure to CSO, §1541 (e)  
Falling Rock or Soil, Protection from CSO, §1541(j)
Exposure to Falling Loads CSO, §1541(e)
Fall protection CSO, §1541(l)
Gas Testing CSO, §1541(g)(1)
General Requirements CSO, §1541 
Harness, Safety & Line, Emergency Rescue Equipment CSO, §1541(g)(2)
Hazardous Atmosphere CSO, §1541(g)
Emergency Rescue Equipment CSO, §1541(g)(2)
Testing, Hazardous Atmosphere CSO, §1541(g)(1)
High Visibility Apparel, Exposure to Traffic CSO, §1541(d)
Inside Buildings, Drainage & Ventilation GISO, §3309
Inspection CSO, §1541(k)
Internal Combustion Engines, Inside Pipelines, Culverts, Shafts CSO, §1533(a)
Confined Space Requirements CSO, §1533(c)
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
Ladders, Trench Access & Egress CSO, §1541(c)
Loose Rock or Soil, Protection from CSO, §1541(j)
Marking CSO, §1541(b)(1)(A) 
Overburden at Face of CSO, §1541(j)(2)
Permit Requirement per Cal/OSHA, §341 CSO, §1539
Pipelines, Operating Internal Combustion Engines Inside  CSO, §1533(a)
Confined Space Requirements CSO, §1533(c)
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
Protective Systems, Cave-in Protection CSO, §1541.1
Aluminum hydraulic shoring systems CSO, §1541.1, Appx D 
Benching systems CSO, §1541.1(f) 
Design of Benching systems CSO, §1541.1(b) 
Design of Protective Systems CSO, §1541.1(c)
Employee Protection in excavations CSO, §1541.1(a)
Equipment used for Protective Systems CSO, §1541.1(d)
Installation & removal of  CSO, §1541.1(e)
Materials used for Protective Systems CSO, §1541.1(d)
Selection of Protective Systems  CSO, §1541.1, Appx F
Shield systems CSO, §1541.1(g)
Design of Shield Systems CSO, §1541.1(c)
Sloping & Benching, Design of CSO, §1541.1(b) 
Sloping & Benching systems CSO, §1541.1(f) 
Support systems, Design of CSO, §1541.1(c)
Uprights, Placement of  CSO, §1541.1(h)
Internal Combustion Engines, Inside Pipelines, Culverts, Shafts CSO, §1533(a)
Confined Space Requirements CSO, §1533(c)
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
Shield systems CSO, §1541.1(g)
Design of Shield Systems CSO, §1541.1(c)
Shoring Systems  CSO, §1541.1
Alternatives to Timber Shoring CSO, §1541.1, Appx E
Aluminum Hydraulic Shoring CSO, §1541.1, Appx D
Selection of Shoring System CSO, §1541.1, Appx F
Support systems, Design of CSO, §1541.1(c) 
Timber Shoring for Trenches CSO, §1541.1, Appx C
Sloping & Benching systems CSO, §1541.1(f) 
Design of CSO, §1541.1(b)
Sloping & Benching CSO, §1541.1, Appx B
Soil Classification CSO, §1541.1, Appx A
Spoils / Overburden at Face of CSO, §1541(j)(2)
Stability of adjacent structures CSO, §1541(i)
Subsurface installations CSO, §1541(b)
Support 2X Live Load, Where Vehicles operate on site  CSO, §1597 
Support systems, Design of CSO, §1541.1(c)
Surface encumbrances CSO, §1541(a)  
Testing, Hazardous Atmosphere CSO, §1541(g)(1)
Training, Excavation Hazard Exposures  CSO, §1541(b)(1)(D)
Traffic, Exposure to CSO, §1541(d)
Trench, Protection Requirements  CSO, §1541.1 
Trench Covers, General Industry, Design GISO, §3213(c)
Construction Operations, Design  CSO, §1597(k)
Trench Shields CSO, §1541.1 
Underground installations  CSO, §1541(b)
Underground High-Voltage Cables or Equipment See EXCAVATIONS, per ESO 
Undermining During Excavation Prohibited  CSO, §1541(i)(1)
Uprights, Placement of Protective Systems CSO, §1541.1(h)
Vehicular traffic, Exposure to CSO, §1541(d)
Ventilation Requirement    GISO, §3309(a)
Warning system for mobile equipment CSO, §1541 (f) 
Water Accumulation Hazards CSO, §1541(h)
TRIBUTYL PHOSPHATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROBENZENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROETHANE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROETHYLENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROFLUOROMETHANE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLORONAPHTHALENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROPHENOXYACETIC ACID, Airborne Cont, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROPROPANE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRICHLOROSILANE
Process safety management  GISO, §5189, Appx A
TRICHLOROTRIFLUOROETHANE, Airborne Cont, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIETHANOLAMINE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIETHYLAMINE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIETHYLENE GLYCOL DIMETHYL ETHER
Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIFLUOROBROMOMETHANE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIFLUOROCHLOROETHYLENE
Process safety management GISO, §5189, Appx A 
TRIMELLITIC ANHYDRIDE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIMETHYLAMINE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIMETHYLBENZENE (ALL ISOMERS)
Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIMETHYLOXYSILANE
Process safety management GISO, §5189, Appx A
TRIMETHYL PHOSPHITE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIMMING PRESSES, Metal, Mechanical & Hydraulic    See under METAL WORKING MACHINES
TRIMMING, TREE       See TREE WORK, Maintenance & Removal
TRINITROTOLUENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIORTHOCRESYL PHOSPHATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIP, TWO-HAND    GISO, §4211
TRIPPING HAZARD, Work Area, Free From GISO, §3273(a), (b)
General Requirement GISO, §3362(a), (c)
TRIPHENYLAMINE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRIPHENYL PHOSPHATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TROLENE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TRUCK, HAND     GISO, §3315
TRUCKS See VEHICLES
TRUCKS, Gantry (Straddle Carriers) GISO, Article 31
Access to  GISO, §3803
Brakes  GISO, §3809
Guarding, Wheel GISO, §3805
Exception to Guarding GISO, §3805(b)
Lights  GISO, §3808
Operating Rules  GISO, §3807
Speed Control GISO, §3806
Governor GISO, §3806(a)
Restricted Walkways GISO, §3806(b)
Speed Zones GISO, §3806(b)
Visibility  GISO, §3802
Warning Devices GISO, §3801
TRUCKS, Haulage See HAULAGE VEHICLES
TRUCKS, Industrial (AKA Forklifts)    See FORKLIFTS and INDUSTRIAL TRUCKS
TRUCKS, TANK, Petroleum
Loading & Unloading Operations
High-Vapor Pressure Hydrocarbons PSO-R,T&H, §6881
Loading Platforms PSO-R,T&H, §6879
Loading & Unloading Operations PSO-R,T&H, §6880
Wharves & Piers PSO-R,T&H, §6891
TRUSS ERECTION PLAN    CSO, §1710(b)
TRUSSES
Bracing of    CSO, §1710
Stacking of CSO, §1549(d)
Structural Steel Erection  CSO, §1710
TUBERCULOSIS, M See also AEROSOL TRANSMISSIBLE DISEASES
Respiratory Protection for GISO, §5147
TB Conversion GISO, §5199(b), (h), 
TB Test GISO, §5199(f)(3)
TUBE SPLICER, Controls    GISO, §4591
TUBS, as Confined Spaces See CONFINED SPACES 
TUBING MACHINES GISO, §4589
TUBULAR GAGE GLASSES  PSO-R,T&H, §6852
Leakage & Spill Control  PSO-R,T&H, §6851
TUBULAR WELDED FRAME SCAFFOLDS       See under SCAFFOLDS
TUMBLING BARRELS (Class A) See under METAL WORKING MACHINES
TUNGSTEN COMPOUNDS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TUNGSTEN METAL, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TUNNELING OPERATIONS See also TUNNEL SAFETY ORDERS (TSO)
Applicability & Scope  TSO, §8403
Access & Egress, Safe Means of TSO, §8411
Mobile Equipment, Protected from, per TSO  TSO, §8411(b)
Provided & Maintained, Safe Means  TSO, §8411(a)
Walkways, Clearly Designated & unobstructed TSO, §8411(c)
Protected from Sumps, holes, excavations TSO, §8411(d)
Accident prevention programs  TSO, §8406
Airborne Contaminants See TUNNELING OPERATION, Airborne Contaminants
Air Quality & Ventilation TSO, §8437 
Application for Diesel Engine Permit  TSO, §8470(b)
Barricades, Covers & Railings TSO, §8411(d)
Bins & Bunkers, Working near or Entering   TSO, §8462
Block Signals  TSO, §8477
Body Protection  TSO, §8414(d)
Breathing Apparatus    See TUNNELING OPERATION, Personal Protective Equipment
Bulletin Boards, Safety TSO, §8409
Bunkers & Bins, Working near or Entering   TSO, §8462
Cal/OSHA (Division) Notification of Fatality TSO, §8420(c) 
Cal/OSHA Notification for Pressurized Worksite Operations GISO, §6075(a)
Car Passers TSO, §8479
Carbon Dioxide, Testing TSO, §8470(d)
Carbon Monoxide, Testing  TSO, §8470(d)
Care of the Injured TSO, §8420
Change Houses  TSO, §8431
Cherry Pickers TSO, §8479
Classification of Tunnel See TUNNELING OPERATION, Tunnel Classifications
Compressed Air Safety Orders See Pressurized Worksite Operations
Covers, Railings & Barricades TSO, §8411(d)
Dangerous or poisonous gases  TSO, §8424
Diesel Engine, Use of    See also under TUNNELING OPERATION, Air Quality
Diesel Engine Permitted in Writing  TSO, §8470
Fresh Air Flow Where Diesel Engine is Operating  TSO, §8470(c)
Dressing Rooms TSO, §8431
Drilling, General Requirements TSO, §8449
Use of Jumbos in Tunneling operations TSO, §8450
Drinking Water TSO, §8432
Drying Facilities, Clothing TSO, §8431
Dumping Locations, Surface & Underground TSO, §8480
Dust Control.  TSO, §8438
Electrical Installations    See TUNNELING OPERATION, Electrical Installations
Ear Protection  TSO, §8414(e)
Electrical Equipment & Lighting, High-voltage TSO, §8460
Bonding of equipment  ESO-HV, §2917
Conductors ESO-HV, §2916
Disconnection means  ESO-HV, §2921
Enclosures  ESO-HV, §2922
Energized Parts, Protection from ESO-HV, §2919
Grounding  ESO-HV, §2923
Grounding conductor  ESO-HV, §2917
Motor-Operated Equipment, Overcurrent protection  ESO-HV, §2915
Overcurrent protection  ESO-HV, §2915
Physical damage, protection from 
Cables & Conductors ESO-HV, §2914
Mobile & Portable Equipment ESO-HV, §2918
Transformers Overcurrent Protection  ESO-HV, §2915
Ventilation System Controls  ESO-HV, §2920
Emergency Medical Services    See TUNNELING OPERATION, First Aid / Emergency Medical
Emergency Plan & Precautions TSO, §8568, Article 9
Emergency Plan  TSO, §8426
Protection against Water or Gas TSO, §8427
Telephone System TSO, §8428
Emergency Rescue Procedures & Equipment    See TUNNELING OPERATION, Rescue Crew & Breathing Apparatus
Emergency Transportation TSO, §8420(b)
Employers, Responsibility & Duty, Labor Code Excerpts  TSO, §8568, Appx B  
Emergency Transportation TSO, §8420(b)
Excessive Heat, Control of, Tunneling Operations TSO, §8457
Extra-hazardous & Gassy Tunnel, Operation of TSO, §8425
Fire Prevention & Control TSO, §8445
Cal/OSHA Reporting, of Fires TSO, §8445(p)
Combustible Framing Sheds, Location to Tunnel Opening TSO, §8445(c)
Combustible Structures over Shaft & Tunnel Openings TSO, §8445(a), (c)
Combustible Framing Sheds, Location to Tunnel Opening TSO, §8445(c)
Construction of Shaft & Tunnel Openings, Non-combustible Materials TSO, §8445(b)
Disposal, Waste, Rags TSO, §8445(l)
Excelsior, Underground Use TSO, §8445(s)
Fire Extinguishers, at Appropriate Locations TSO, §8445(q)
Fire Extinguishers, at Underground Belt Conveyors TSO, §8445(o)
Fire Protection, Provided per GISO, §6150 TSO, §8445(d)
Flammable / Combustible Liquids, Leaks  TSO, §8445(m)
Flammable Material Storage TSO, §8445(e)
Hydraulic Equipment, Fire-Resistant Hydraulic Fluid TSO, §8445(n)
Lubricating Oils, Greases & Rope Dressings TSO, §8445(f)
Non-combustible Materials, Construction of Shaft & Tunnel Openings TSO, §8445(b)
Oily Waste, Rags  TSO, §8445(l)
Open Flames, Prohibition Signs, Posting of TSO, §8445(t)
Petroleum Fueled Lamps Prohibited TSO, §8445(h)
Signs, Smoking Prohibition Signs, Posting of TSO, §8445(t)
Smoking Prohibition Signs, Posting of TSO, §8445(t)
Straw, hay or Similar Materials, prohibition TSO, §8445(r)
Volatile Solvents, Underground use of  TSO, §8445(i)
Waste, Rags, Storage Limit & Disposal  TSO, §8445(l)
Waste Material Prompt Removals TSO, §8445(m)
Welding, Cutting & Other Hot Work, Cylinder Quantity Limit Underground TSO, §8445(j)
Welding, Cutting & Other Hot Work, over Tunnel Shaft or deep Excavation TSO, §8445(k)
Welding, Cutting & Other Hot Work per CSO, Articles 4 & 32 TSO, §8445(g)
First Aid / Emergency Medical Services    See TUNNELING OPERATION, First Aid / Emergency Medical
Training  TSO, §8421
Flammable material storage  TSO, §8445(e), (f), (i), (l), (r)
Fresh Air Flow Where Diesel Engine is Operating  TSO, §8470(c)
Foot Protection  See TUNNELING OPERATION, Personal Protective Equipment
Forms
Medical Examination, Hoisting Engineers  TSO, §8568, Appx C
Checklist, Pre-Job Safety Conference TSO, §8568, Appx E
Shaft Inspection Form  TSO, §8568, Appx D
Gas, Protection against TSO, §8427
Gassy & Extra-hazardous Tunnel, Operation of TSO, §8425
Classification of TSO, §8422
General Safety precautions  TSO, §8410
Ground Control Inspections TSO, §8440
Haulage & Earthmoving Equipment TSO, §8483
Haulage ways TSO, §8484
Head Protection  TSO, §8414(b)
Heading Operations, Safe Practices & Operations Code TSO, §8568, Appx A, 13-23
Hoisting
Engineers, Hoisting TSO, §8499
Medical examination for  TSO, §8568, Appx C
Hoisting Operations, General TSO, §8500
Hoisting Signals TSO, §8498
Hoisting Equipment & Systems TSO, §8495
Inspections, Shafts & Hoisting Equipment  TSO, §8501
Operations  TSO, §8500
Signals 
Wire rope and sheaves  TSO, §8497
Hearing Protection  TSO, §8414(e)
Hearing Protector Attenuation  TSO, §8414(f)
Hydrogen Sulfide, Presence of TSO, §8424(d)
Illumination of Worksite TSO, §8415
Injury & Illness Prevention Program See INJURY & ILLNESS PREVENTION PROGRAM, per TSO 
Bulletin Boards, Safety TSO, §8409
Injury & Illness Prevention Program TSO, §8406
Cal/OSHA consultation service  TSO, §8406, Note
Code of Safe Practices, Adoption & Use TSO, §8406(b)
Posting of TSO, §8406(c)
Corrective Actions TSO, §8406(e)
Gas Tester, Certification TSO, §8406(h)
Posted, Code of Safe Practices TSO, §8406(c)
Records, of Safety Meetings  TSO, §8406(e)
Safety & Health Program  TSO, §8406(f)
Safety Meetings, Monthly  TSO, §8406(d)
Weekly  TSO, §8406(e)
Safety Representative, Onsite TSO, §8406(f)
Certification requirements TSO, §8406(g)
Suggestions, safety, prompt consideration  TSO, §8406(a)
Toolbox /Tailgate Safety Meetings, Weekly TSO, §8406(e)
Written Record, of Safety Suggestions TSO, §8406(a)
Pre-job Safety Conference  TSO, §8408
Safety Bulletin Boards TSO, §8409
Safety Conference, Pre-job  TSO, §8408
Safety Training & Instruction TSO, §8407
Inspection of First-Aid Kit & Materials, Weekly TSO, §8420(a)(7)
Inspections, Shaft & Hoisting System TSO, §8501
Internal Combustion Engines See under TUNNELING OPERATION, Air Quality
Jumbos, Use in Tunneling operations  TSO, §8450
Lasers, Protection from TSO, §8416
Lighting Requirements TSO, §8415
Locomotives, Haulage TSO, §8471 
Mechanical Hazards TSO, §8459
Medical Attendant, Qualified TSO, §8420(b)(4)
Nitrogen Dioxide, Testing TSO, §8470(d)
Notification of Cal/OSHA (Division), Fatality TSO, §8420(c) 
Personal Protective Equipment See TUNNELING OPERATION, Personal Protective Equipment 
Precaution, Safety TSO, §8568, Article 4
Access & Egress, Safe Means of TSO, §8411  
General Safety Precautions TSO, §8410
Pre-job safety conferences  TSO, §8408
Checklist for TSO, §8568, Appx E
Pressurized Worksite Operations, Compressed Air.  GISO, Article 154
Application GISO, §6070
Definitions GISO, §6074
Air Locks GISO, §6090
Air Sampling & Testing GISO, §6100(g)
Air Supply GISO, §6105
Bulkheads & Screens GISO, §6110
Cal/OSHA Notification GISO, §6075(a)
Clean & Sanitary, Condition Requirements GISO, §6100(d)
Competent Person, Present During Work  GISO, §6075(b)
Compressor Plant GISO, §6105
Compression Requirments  GISO, §6080
Exception in case of Emergencies  GISO, §6080
Decompression chamber, Medical  GISO, §6120(b)
Decompression Chamber, Special GISO, §6095
Definition GISO, §6074
Decompression of Employees GISO, §6085
Decompression Tables, Per U.S. Navy Diving Manual GISO, §6085(a)
Use of Decompression Tables GISO, §6085(b)
Use of Oxygen Breathing Gas System during Decompression GISO, §6100(i)
Fire Prevention  GISO, §6115
General Provisions GISO, §6075
Cal/OSHA Notification GISO, §6075(a)
Competent Person, Present During Work  GISO, §6075(b)
Training Requirements GISO, §6075(c)
Hyperbaric Chamber, Decompression Chamber GISO, §6095
Lighting / Illumination, source GISO, §6100(b)
Lighting / Illumination, intensity GISO, §6100(c)
Medical Control GISO, §6120
Medical Decompression chamber GISO, §6120(b)
Notification of Cal/OSHA, 7 Days before  GISO, §6075(a)
Oxygen Monitoring or Venting GISO, §6100(i)
Oxygen Safety, Fire Prevention  GISO, §6115
Screens & Bulkheads GISO, §6110
Special Decompression Chamber GISO, §6095
Definition GISO, §6074
Telephone Communication GISO, §6105
Temperature Requirement GISO, §6100(a)
Toilet Requirements GISO, §6100(d)
Training, of Exposed Employees and Employees who control exposure of others  GISO, §6075(c)
Sanitary & Clean Condition Requirements GISO, §6100(d)
Ventilation GISO, §6100
Exhaust valves and pipes GISO, §6100(f)
During Decompression GISO, §6100(h)
General Requirements, per GISO, §5144(i)  GISO, §6100(e)
Private Roads TSO, §8484
Railings, Covers & Barricades TSO, §8411(d)
Railroads, Transportation & Haulage 
Block signals  TSO, §8477
Car passers and cherry pickers  TSO, §8479
Dumping locations  TSO, §8480
Internal combustion engine restrictions  TSO, §8470
Limited visibility precautions  TSO, §8475
Locomotives  TSO, §8471
Light requirements  TSO, §8472
Refuge stations  TSO, §8482
Switches  TSO, §8481
Portable switches  TSO, §8478
Tracks  TSO, §8476
Trains  TSO, §8474
Worker Transport  TSO, §8473
Raises & Shafts under construction  TSO, §8496
Record keeping  of Testing TSO, §8424(a)
Refuge, Places of  TSO, §8482
Rescue Crew & Breathing Apparatus  See TUNNELING OPERATION, Rescue Crew & Breathing Apparatus 
Sump holes, Protection from TSO, §8411(d)
Respirator Protection    See TUNNELING OPERATION, Personal Protective Equipment
Roads, Private TSO, §8484
Rock Crushers TSO, §8461
Safe Practices & Operations Code TSO, §8568, Appx A
Safety Bulletin Boards TSO, §8409
Safety Conference, Pre-job  TSO, §8408
Safety in Employment, Labor Code Excerpts  TSO, §8568, Appx B
Safety Precautions TSO, Article 4
Access & Egress, Safe Means of TSO, §8411  
General Safety Precautions TSO, §8410
Safety Training & Instruction TSO, §8407
Self-Contained Breathing Apparatus See under TUNNELING OPERATION, Personal Protective Equipment
Shaft Inspections TSO, §8501
Shaft Operation, Safe Practices & Operations Code TSO, §8568, Appx A, 31-33
Shaft Supports  TSO, §8441
Shafts & Inclines TSO, §8493
Ladders & Ladderways TSO, §8494
Shafts & Raises under Construction TSO, §8496
Sheaves TSO, §8497
Shower Requirements TSO, §8431
Telephone System, Emergency Precaution TSO, §8428
Testing for Airborne Contaminants TSO, §8424(a)
                                                    TSO, §8470(d)
Testing Criteria TSO, §8424(b)
Testing Devices TSO, §8424(g)
Testing for Oxygen Levels TSO, §8424(h)
Toilet Facilities  TSO, §8433
Tracks, Train TSO, §8476
Training & Instruction, Safety TSO, §8407
Trains, Haulage See TRAINS, Haulage, per TSO 
Trains, Safe Practices & Operations Code TSO, §8568, Appx A, 24-30
Transportation, Emergency TSO, §8420(b)
Transportation of Workers  TSO, §8473
Tunnel Classifications See TUNNELING OPERATION, Tunnel Classifications
Tunnel & Shaft Supports  TSO, §8441
Inspections of TSO, §8440
Tunneling Methods, Mechanical See TUNNELING OPERATION, Tunneling Methods, Mechanical
Variation from Safety Orders TSO, §8404
Ventilation & Air Quality TSO, §8437
Visibility, Limited Visibility Precautions, Vehicle Traffic TSO, §8475 
Walkways, Access & Egress to Work TSO, §8411(c) 
Water, Protection against TSO, §8427
Wire Ropes & Sheaves TSO, §8497
Work Stoppage Requirements, Air Contaminants Present TSO, §8424(c)
Work Stoppage Requirements, in the event of a Fatality TSO, §8420(c) 
TUNNELING OPERATION, Air Quality
Airborne Contaminants
Hydrogen Sulfide, Presence of TSO, §8424(d)
Nitrogen Dioxide, Testing TSO, §8470(d)
Record keeping  of Testing TSO, §8424(a)
Safeguards, Requirement TSO, §8424(f)
Testing for Airborne Contaminants TSO, §8424(a)
Testing Criteria TSO, §8424(b)
Testing Devices TSO, §8424(g)
Testing for Oxygen Levels TSO, §8424(h)
Ventilation & Air Quality TSO, §8437 
Work Stoppage Requirements TSO, §8424(c)
Internal Combustion Engines, use of TSO, §8470
Application for Diesel Engine Permit  TSO, §8470(b)
Carbon Dioxide, Testing TSO, §8470(d)
Carbon Monoxide, Testing  TSO, §8470(d)
Diesel Engine Permitted in Writing  TSO, §8470(a)
Fresh Air Flow Where Diesel Engine is Operating  TSO, §8470(c)
Prohibition of, Except Diesel TSO, §8470
Locomotives, Haulage TSO, §8471 
Nitrogen Dioxide, Testing TSO, §8470(d)
Testing, Air Contaminants TSO, §8470(d)
TUNNELING OPERATION, Fire Prevention & Control TSO, §8445
Cal/OSHA Reporting, of Fires TSO, §8445(p)
Combustible Framing Sheds, Location to Tunnel Opening TSO, §8445(c)
Combustible Structures over Shaft & Tunnel Openings TSO, §8445(a), (c)
Combustible Framing Sheds, Location to Tunnel Opening TSO, §8445(c)
Construction of Shaft & Tunnel Openings, Non-combustible Materials TSO, §8445(b)
Disposal, Waste, Rags TSO, §8445(l)
Excelsior, Underground Use TSO, §8445(s)
Fire Extinguishers, at Appropriate Locations TSO, §8445(q)
Fire Extinguishers, at Underground Belt Conveyors TSO, §8445(o)
Fire Protection, Provided per GISO, §6150 TSO, §8445(d)
Flammable / Combustible Liquids, Leaks  TSO, §8445(m)
Flammable Material Storage TSO, §8445(e)
Hydraulic Equipment, Fire-Resistant Hydraulic Fluid TSO, §8445(n)
Lubricating Oils, Greases & Rope Dressings TSO, §8445(f)
Non-combustible Materials, Construction of Shaft & Tunnel Openings TSO, §8445(b)
Oily Waste, Rags  TSO, §8445(l)
Open Flames, Prohibition Signs, Posting of TSO, §8445(t)
Petroleum Fueled Lamps Prohibited TSO, §8445(h)
Signs, Smoking Prohibition Signs, Posting of TSO, §8445(t)
Smoking Prohibition Signs, Posting of TSO, §8445(t)
Straw, hay or Similar Materials, prohibition TSO, §8445(r)
Volatile Solvents, Underground use of  TSO, §8445(i)
Waste, Rags, Storage Limit & Disposal  TSO, §8445(l)
Waste Material Prompt Removals TSO, §8445(m)
Welding, Cutting & Other Hot Work, Cylinder Quantity Limit Underground TSO, §8445(j)
Welding, Cutting & Other Hot Work, over Tunnel Shaft or deep Excavation TSO, §8445(k)
Welding, Cutting & Other Hot Work per CSO, Articles 4 & 32 TSO, §8445(g)
TUNNELING OPERATION, First Aid / Emergency Medical TSO, Article 7
Cal/OSHA (Division) Notification of Fatality TSO, §8420(c) 
Care of the Injured TSO, §8420
Emergency Medical Services TSO, §8420(a)
Emergency Transportation TSO, §8420(b)
First-Aid Kit  TSO, §8420(a)(6)
First-Aid Training  TSO, §8421
Inspection of First-Aid Kit & Materials, Weekly TSO, §8420(a)(7)
Medical Attendant, Qualified TSO, §8420(b)(4)
Training, First-Aid TSO, §8421 
Work Stoppage Requirement TSO, §8420(c) 
TUNNELING OPERATION, Personal Protective Equipment TSO, §8414
Body Protection  TSO, §8414(d)
Ear Protection  TSO, §8414(e)
Foot Protection  TSO, §8414(c)
General Requirement for, Pursuant to Article 3, CSO  TSO, §8414(a)
Head Protection  TSO, §8414(b)
Hearing Protection  TSO, §8414(e)
Hearing Protector Attenuation  TSO, §8414(f)
Respirator Protection  TSO, §8414(g)
Rescue Devices, I Hour TSO, §8430(f)
Self-Contained Breathing Apparatus
Conditions of Use TSO, §8430(e)
Inspections of TSO, §8440
Qualification TSO, §8430(b)
Self Rescue Devices TSO, §8430(g) 
Inspection of Self Rescue Devices TSO, §8430(h) 
Training to Inspect Self Rescue Devices TSO, §8430(i)
TUNNELING OPERATION, Rescue Crew & Breathing Apparatus  TSO, §8430
Breathing Apparatus  TSO, §8430
Rescue Devices, I Hour TSO, §8430(f)
Self-Contained Breathing Apparatus
Conditions of Use TSO, §8430(e)
Qualification TSO, §8430(b)
Self Rescue Devices TSO, §8430(g) 
Inspection of Self Rescue Devices TSO, §8430(h)
Training to Inspect Self Rescue Devices TSO, §8430(i)
Emergency Transportation TSO, §8420(b)
Emergency Plan & Precautions TSO, Article 9
Emergency Plan  TSO, §8426
Protection Against Water or Gas TSO, §8427
Telephone System TSO, §8428
Rescue Devices, I Hour TSO, §8430(f)
Rescue Team  TSO, §8430(a)
Rescue Team Familiar with Jobsite Conditions TSO, §8430(b)
Self-Contained Breathing Apparatus
Conditions of Use TSO, §8430(e)
Qualification TSO, §8430(b)
Self Rescue Devices TSO, §8430(g) 
Inspection of Self Rescue Devices TSO, §8430(h)
Training to Inspect Self Rescue Devices TSO, §8430(i)
TUNNELING OPERATION, Tunnel Classifications TSO, §8422
Cal/OSHA Notification TSO, §8422(e)
Cal/OSHA Submittal of Geological Information  TSO, §8422(a)
Classifications of Tunnel by Cal/OSHA TSO, §8422(b)
Operation of Gassy & Extra-hazardous Tunnel TSO, §8425
Posting of Classification Notice TSO, §8422(c)
Re-Classifications of Tunnel by Cal/OSHA TSO, §8422(d)
TUNNELING OPERATION, Tunneling Methods, Mechanical TSO, Article 16
Bins & Bunkers, Working near or Entering   TSO, §8462
Electrical Equipment & Lighting TSO, §8460
Excessive Heat, Control of, Tunneling Operations TSO, §8457
Mechanical Hazards TSO, §8459
Rock Crushers TSO, §8461
TUNNEL SAFETY ORDERS (TSO) TSO, Subchapter 20
Application & Scope TSO, §8403
Definition TSO, §8405
Permit for Variation from these Orders TSO, §8404
TUNNELS, Inside Buildings GISO, §3309
Trenches, Tunnels & Pits, Ventilation Requirement    GISO, §3309(a)
TUNNELS, Electrical Installations ESO-HV, Article 33
Application / Scope ESO-HV, §2914(a), (b)
Below Ground Equipment / Switches ESO-HV, §2918
Bonding & Equipment Conductor ESO-HV, §2917
Conductors  ESO-HV, §2916
Insulation Approved for ESO-HV, §2916(b)
Disconnecting Means ESO-HV, §2921
Equipment & Lighting, High-voltage TSO, §8460
Enclosure of Energized Parts ESO-HV, §2919
Enclosures, Specifications & Use ESO-HV, §2922
Energized Parts, Protection from ESO-HV, §2919
General Electrical Requirements ESO-HV, §2914(c)
Grounding conductor  ESO-HV, §2917
Grounding of Mining / Tunneling Equipment ESO-HV, §2923
Motor-Operated Equipment, Overcurrent protection  ESO-HV, §2915
Over-current Protection  ESO-HV, §2915
Physical damage, protection from 
Cables & Conductors ESO-HV, §2914
Mobile & Portable Equipment ESO-HV, §2918
Transformers Overcurrent Protection  ESO-HV, §2915
Ventilation System Controls  ESO-HV, §2920
TURPENTINE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
TWO-BLOCKING, Prevention
Anti Two-Block Device
Crane or Derrick Suspended Personnel Platforms GISO, §5004(e)(3)
Definition GISO, §4885
Load Safety Devices, Boom-Type Mobile Cranes GISO, §4924(d)
TWO-HAND TRIP   GISO, §4211
TYING OFF
Aerial Devices   GISO, §3648(o)
Fall Protection   GISO, §1670(c)
TYPE A & TYPE B, Barrier Devices    GISO, §4208