D List of Acronyms
DADO BLADE, Wobble Saw, Prohibition GISO, §4323
DAILY INSPECTIONS, before start of Shift 
Excavations CSO, §1541(k)(1)
Forklift GISO, §3664(a)(7)
Supervisor / Employer Conducted CSO, §1511
Haulage Vehicle CSO, §1597(j) 
Scaffold Planking CSO, §1637(h)
DAMAGE PREVENTION, Electrical Equipment ESO-LV, §2340.26
DAMAGED / BROKEN, Cargo  GISO, §3339
DAMAGED / DEFECTIVE, Personal Protective Equipment, PPE GISO, §3380(f)(3)
DAMS, Water Retaining MSO, §7175
Underground Protection from Water  MSO, §7176
DAMP & WET LOCATIONS, Electrical Fixtures in ESO-LV, §2510.5
Deteriorating Conditions ESO-LV, §2340.11(a)(1)
DANGEROUS EXCAVATIONS, at Underground Mines MSO, §7178
Access to Unattended Mine Opening limited, Guarded, Covered MSO, §7178(a)
Dangerous, inactive or abandoned mine openings, guarded MSO, §7178(c)
Accumulation of Water MSO, §7178(d)
Dangerous Underground Excavations, Ground Control
Back Filled or Controlled MSO, §6987
Surface Excavations, Dangerous, Covering up MSO, §7178(b)
DANGEROUS EXPOSURE PREVENTION PSO-R,T&H, Article 6
Allaying Dust, Fumes, Mists, Vapor & Gases PSO-R,T&H, §6788
Change Room, pursuant to Article 10, GISO PSO-R,T&H, §6787
Clothing PSO-R,T&H, §6786
DANGEROUS OBSTRUCTIONS, Walkways  GISO, §3273(b)
DATA PROCESSING SYSTEMS
Disconnecting means ESO-LV, §2565.3
Interconnecting cables ESO-LV, §2565.2(b)
Under Raised Floors ESO-LV, §2565.2(c)
Supply circuits ESO-LV, §2565.2(a)
DATE PALMS, Operations     See also AGRICULTURAL SAFETY ORDERS (AgSO) 
Competent person, Designer of Saddles GISO, §3458(c) 
Date palm saddles
Design GISO, §3458(c)
Use of GISO, §3458(c)(1)
Lanyards GISO, §3458(c)(2)
Anchorage prohibitions GISO, §3458(c)(3)
Fall Protection 
Inspection of Equipment  GISO, §3458(f)
Trigger Height, >7 ˝’      GISO, §3458(a) 
Positioning devices systems permitted for fall protection, conditions GISO, §3458(d)
Lanyards, placement GISO, §3458(d)(1)
Lanyards, maximum length, rigging GISO, §3458(d)(2)
Dead, decayed, damaged fronds GISO, §3458(d)(3)
When changing work positions GISO, §3458(d)(4)
Job briefing  GISO, §3458(e)
Inspection of fall protection equipment GISO, §3458(f)
Ladders Attached to Date Palms GISO, §3458.1 
Lanyards, Construction of GISO, §3458(b) 
Qualified person
Conduct Job Briefing  GISO, §3458(e)
Inspection of Fall Protection Equipment  GISO, §3458(f)
Positioning device, used as Fall Protection  GISO, §3458(d) 
Lanyards, placement GISO, §3458(d)(1) 
Lanyards, maximum length, rigging GISO, §3458(d)(2)
Dead, decayed, damaged fronds GISO, §3458(d)(3)
When changing work positions GISO, §3458(d)(4)
Saddles
Design GISO, §3458(c)
Use of  GISO, §3458(c)(1) 
Lanyards, placement GISO, §3458(c)(2)
Dead, decayed, damaged fronds GISO, §3458(c)(3)
DBCP, Exposure to  GISO, §5212
DDT, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DEADMAN’S SWITCH, Momentary Contact Device
Kill Switch See KILL SWITCH 
Portable Power Drives, Post Hole Digger, Pipe Threader /Cutter GISO, §4086
Portable Tools GISO, §3557
DEADLINE STABILIZERS & Line Spoolers PSO-D&P, §6688
DEBRIS, cleaning up at Construction Sites, Housekeeping CSO, §1513
DECABORANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DECKING/DECKS, per PSO-D&P
Decking at Derrick Platforms PSO-P&D, §6560(e), (f), (g), 
DECKING/DECKS, per CSO
Controlled Decking Zone (CDZ), Structural Steel Erection,  CSO, §1710(n) 
Shear Connectors, Installation within CDZ Prohibited CSO, §1710(e) 
Flooring, Fully Decked Below Work Area, Multi-floor Buildings CSO, §1709(c)
Flooring, Temporary, Multi-floor Buildings CSO, §1635(b)
Installation, metal CSO, §1710(l) 
Pump Jack Scaffolds, fully Decked CSO, §1655
Stairways to uppermost decked floor, of Steel Framed Buildings CSO, §1629(b)
DECKING/DECKS, per LSSO
Flooring for Carriage, where Employees Ride LSSO, §6348(a)
Decks, at Sawmills LSSO, §6345(c)-(j)
Deck surfaces, cleaning, at Sawmills LSSO, §6345(i)
Landings, Helicopter Yarding Operations LSSO, §6323(a)
Log Decks, per LSSO LSSO, §6332
Steel Decks of Machinery, Safety Tread or other Non-slip installed on  LSSO, §6333(l)
Trucks, Frame Flooring Requirement LSSO, §6333(l)
DECKS, SHIP, per SSO
Battery Deck, Storage, Submarines SSO, §8386(a), (b)
Deck Machinery, Precautions SSO, §8376
Deck Openings, & Open Decks SSO, §8374
Internal Combustion Engines operated below deck, Precautions SSO, §8384(c)
Forges operated under raised decks, Prohibition SSO, §8375
Access to Ship's Decks SSO, §8371(e), (f)
DECOMPRESSION CHAMBERS 
Commercial diving operations, post dive procedures GISO, §6056.1
Decompression chamber, location GISO, §6056.1(c)(1)
Recompression  capability GISO, §6056.1(c)(2)
Equipment Requirements GISO, §6063
Pressurized worksites See Also PRESSURIZED WORKSITE OPERATION
Medical Decompression chamber GISO, §6120(b)
Special Decompression Chamber GISO, §6095
Definition GISO, §6074
DECORATIONS, Fire Safety GISO, §3217 
DE-ENERGIZING EQUIPMENT, per CSO
Blocking / Locking, Repair of Haulage & Earth Moving Equipment CSO, §1595(a) 
Blocking / Locking, Repair of Dump Trucks CSO, §1595(b) 
DE-ENERGIZING EQUIPMENT, per ESO ESO-LV, §2320.4
Re-energizing ESO-LV, §2320.5
Testing to Ensure ESO-LV, §2320.3
Work on, Conditions prerequisite to ESO-LV, §2320.4
DE-ENERGIZING LINES AND EQUIPMENT, High voltage ESO-HV, §2940.14
General Requirements ESO-HV, §2940.14(b)
System operator ESO-HV, §2940.14(b)(1)
No system operator ESO-HV, §2940.14(b)(2)
Single crew ESO-HV, §2940.14(b)(3)
Multiple crews ESO-HV, §2940.14(b)(4)
Disconnecting means accessible to general public ESO-HV, §2940.14(b)(5)
Deenergizing Lines and Equipment. ESO-HV, §2940.14(c)
Request to deenergize ESO-HV, §2940.14(c)(1)
Open disconnecting means ESO-HV, §2940.14(c)(2)
Network protectors ESO-HV, §2940.14(c)(4)
Tags ESO-HV, §2940.14(c)(5)
Test for energized condition ESO-HV, §2940.14(c)(6)
Install grounds ESO-HV, §2940.14(c)(7)
Transfer Clearance ESO-HV, §2940.14(d)
Releasing Clearances ESO-HV, §2940.14(e)
Person Releasing Clearance ESO-HV, §2940.14(f)
Removal of Tags ESO-HV, §2940.14(g)
Reenergizing Lines and Equipment ESO-HV, §2940.14(h)
DE-ENERGIZING EQUIPMENT, per GISO
Control of Hazardous Energy  GISO, §3314(c)
DEFECTIVE 
Equipment / Machinery GISO, §3328(c)
Ladders  GISO, §3276(e)(3)
Parts GISO, §3328(c)
DEFICIENCY, OXYGEN, Employee Exposure To GISO, §5149
DEGREASING, Operations, Ventilation and PPE Requirements GISO, §5154 
DE-ICING & SNOW MELTING EQUIPMENT, Fixed ESO-LV, Article 54
Application / Scope ESO-LV, §2526.1
Disconnecting Means ESO-LV, §2526.50
DELNAV, Airborne Contaminants, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DEMETON, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DEMOLITION, per CSO
Asbestos, assessment requirement CSO, §1735(c)
   Exposure to See ASBESTOS, per CSO
Barricades CSO, §1736(f)
Bracing, Wall Stability CSO, §1735(m)
Building Demolition Requirements CSO, §1735
Chutes for waste disposal CSO, §1736,(i)
Enclosed, when Loading Trucks CSO, §1736,(b)
Design CSO, §1736,(c)
Guard Railing of Chute Openings CSO, §1736(d)
Cranes used in GISO, §4941
Debris, disposal of CSO, §1736
Demolishing Buildings      CSO, §1735
Demolition Sequence CSO, §1735(f)
Displaced materials removal from building CSO, §1735(e)
As work Progresses CSO, §1736(g)  
Disposal of Waste Material      CSO, §1736 
Barricading, When dropping debris without chute      CSO, §1736(f)
Removal as work proceeds      CSO, §1736(g)
Chute bumper/Toe Board, design and construction CSO, §1736(i)
Chute design and use CSO, §1736(b), (c)
Clogged Chute Clearing CSO, §1736(c)
Chute openings, open spaces CSO, §1736(d)
Debris removal without the use of a chute CSO, §1736(f)
Guarding/Barricading Chute Discharge End CSO, §1736(e)
Guarding Chute openings, open spaces CSO, §1736(d)
Flammable materials, storage CSO, §1736(h)
Waste material removal CSO, §1736(g)
Dust control CSO, §1735(t)
Elevators for hoisting employees CSO, §1735(r)
Engineering survey before start of Work CSO, §1734(b)
Fall Protection  CSO, §1735(k) 
Floor openings, guarding when using mechanical equipment CSO, §1735(v) 
Falling materials, protection from CSO, §1735(j)
Beams planked over CSO, §1735(s)
Floor Openings Guarding for Mechanical Equipment CSO, §1735(v)
Floor Stability CSO, §1735(f)
Floor structure safe for mechanical equipment CSO, §1735(u)
Floor Structure Safe for Mechanical Equipment CSO, §1735(u)
Glazing, Glass Wall Openings CSO, §1735(l)
Hazardous, Flammable, Explosive Materials CSO, §1735(b)
Disposal of CSO, §1736(h)
Inspections
Before Start of Work CSO, §1734(b) 
Continuing during Demolition CSO, §1735(d)(4)
Ladder requirement CSO, §1735(p)(2)
Walkways or ladders shall be provided CSO, §1735(p)(3)
Lighting requirement CSO, §1735(q)
Permit Requirement See Cal/OSHA, 341(d)(3)
Piping Dismantling, Pressure Relieving before GISO, §3329(d)
Planking, Floor Substitute CSO, §1735(o)
Safety Nets or Planking Required CSO, §1735(s)
Salvage of materials, prohibition CSO, §1735(w)  
Stability of Structure CSO, §1735(d)
Stairways to be clear for use CSO, §1735(p)
Steel Construction CSO, §1735(n)
Supervision Requirement for Demolition CSO, §1734(a)  
Survey of Structure / Building CSO, §1734(b)
Utility companies notification CSO, §1735(a)
Walking across Joists, Beams, Girders Prohibited CSO, §1735(i)
Walkways CSO, §1735(h)
Walkways or ladders shall be provided CSO, §1735(p)(3)
Wall Stability CSO, §1735(m)
Waste disposal CSO, §1736
Barricading, When dropping debris without chute      CSO, §1736(f)
Removal as work proceeds      CSO, §1736(g)
Chute bumper/Toe Board, design and construction CSO, §1736(i)
Chute design and use CSO, §1736(b), (c)
Clogged Chute Clearing CSO, §1736(c)
Chute openings, open spaces CSO, §1736(d)
Debris removal without the use of a chute CSO, §1736(f)
Guarding/Barricading Chute Discharge End CSO, §1736(e)
Guarding Chute openings, open spaces CSO, §1736(d)
Flammable materials, storage CSO, §1736(h)
Waste material removal CSO, §1736(g)
DEPRESSIONS, Dangerous, in Roadway, Walkways, Storage Areas GISO, §3273(b)
DERRICK or CRANE SUSPENDED PERSONNEL PLATFORM / MANBASKET GISO, §5004
Anti Two-Block Device GISO, §5004(e)(3)
Design Criteria GISO, §5004(f)
Exception to Prohibited Use GISO, §5004(c)
Free Fall Prohibition GISO, §5004(e)
Instrument & Component Requirements GISO, §5004(e)
Loading Requirements GISO, §5004(h)
Operating Criteria GISO, §5004(d)
Pre-Lift Meeting GISO, §5004(m)
Rigging of GISO, §5004(i)
Scope and Application of §5004 GISO, §5004(a)
Specifications GISO, §5004(g)
Traveling of Hoist or Crane GISO, §5004(l)
Trial Lift, Inspection & Proof Testing GISO, §5004(j)
Work Practices GISO, §5004(k)
DERRICKS IN CONSTRUCTION (CSO) CSO, Article 15
Application & Scope CSO, §1610.1
Definitions CSO, §1610.3
General Requirements
Design Standards CSO, §1610.2
Design, Construction & Testing CSO, §1610.4
Equipment Modifications CSO, §1610.6
Equipment/ Rated 2,000 Pounds or Less.  CSO, §1610.8
Equipment/ Rated Over 3 Tons  CSO, §1610.9
Fall Protection CSO, §1610.7
Ground Conditions CSO, §1610.5
Scope CSO, §1610.1
Assembly & Disassembly of Cranes/ Derricks
Disassembling of Booms & Jibs, Additional Requirements  CSO, §1611.3
Employer Procedures - General Requirements CSO, §1611.4
General Requirements CSO, §1611.2
Manufacturer or Employer Procedures CSO, §1611.1
Power Line Safety (Up to 350 kV) CSO, §1611.5
Barge Mounted Cranes/Derricks CSO, §1619.3
Construction, Design & Testing CSO, §1610.4
Equipment Modifications CSO, §1610.6
Crane Operations
Authority to Stop/Halt Operation CSO, §1616.2
Free Fall and Controlled Load Lowering CSO, §1616.5
Hoisting Personnel CSO, §1616.6
Multiple-Crane/Derrick Lifts CSO, §1616.7
Operation of Cranes/Derricks CSO, §1616.1
Overhead Loads CSO, §1616.4
Work Area Control CSO, §1616.3
Design Standards CSO, §1610.2
Design, Construction & Testing CSO, §1610.4
Equipment Modifications CSO, §1610.6
Derricks CSO, §1619.2
Equipment Modifications CSO, §1610.6
Equipment/ Rated 2,000 Pounds or Less.  CSO, §1610.8
Equipment/ Rated Over 3 Tons  CSO, §1610.9
Fall Protection CSO, §1610.7
Floating Cranes/Derricks CSO, §1619.3
General Requirements CSO, §1610
General Requirements
Design Standards CSO, §1610.2
Design, Construction & Testing CSO, §1610.4
Equipment Modifications CSO, §1610.6
Equipment/ Rated 2,000 Pounds or Less.  CSO, §1610.8
Equipment/ Rated Over 3 Tons  CSO, §1610.9
Fall Protection CSO, §1610.7
Ground Conditions CSO, §1610.5
Scope CSO, §1610.1
Supplemental Requirements
Barge Mounted Cranes/Derricks CSO, §1619.3
Derricks CSO, §1619.2
Floating Cranes/Derricks CSO, §1619.3
Overhead & Gantry Cranes CSO, §1619.4
Pile Drivers (Dedicated) CSO, §1619.5
Tower Cranes CSO, §1619.1
Ground Conditions CSO, §1610.5
Inspection of
Annual/Comprehensive CSO, §1613.6
Equipment Not in Regular Use CSO, §1613.8
General Inspections CSO, §1613.9
Modified Equipment CSO, §1613.1
Periodic CSO, §1613.5
Post Assembly CSO, §1613.3
Repaired/Adjusted Equipment CSO, §1613.2
Severe Service/ Damage or Excessive Wear CSO, §1613.7
Shift, After Each CSO, §1613.4
Wire Rope CSO, §1613.10
Operation Requirements
Authority to Stop/Halt Operation CSO, §1616.2
Free Fall and Controlled Load Lowering CSO, §1616.5
Hoisting Personnel CSO, §1616.6
Multiple-Crane/Derrick Lifts CSO, §1616.7
Operation of Cranes/Derricks CSO, §1616.1
Overhead Loads CSO, §1616.4
Work Area Control CSO, §1616.3
Overhead & Gantry Cranes CSO, §1619.4
Pile Drivers (Dedicated) CSO, §1619.5
Power Line Safety
Assembly & Disassembly near Power Lines Up to 350 kV CSO, §1611.5
Equipment Operations near Power Lines Up to 350 kV CSO, §1612.1
Equipment Operations near Power Lines Over 350 kV CSO, §1612.2
Equipment Operations near Power Lines closer than Table A Zone CSO, §1612.3
Equipment Travel under or Near Power Lines (No Load) CSO, §1612.4
Qualification & Training
Operator Qualification and Certification CSO, §1618.1
Maintenance and Repair Employees Qualification CSO, §1618.3
Signal Person Qualification CSO, §1618.2
Training CSO, §1618.4
Riding on loads prohibited  CSO, §1718
Safety Devises CSO, §1615
Operational Aids CSO, §1615.2
Safety Devises CSO, §1615.1
Signals CSO, §1617
General Requirements CSO, §1617.1
Radio, Telephone or Other Electronic Transmission of Signals CSO, §1617.2
Voice Signals - Additional Requirements CSO, §1617.3
Supplemental Requirements
Barge Mounted Cranes/Derricks CSO, §1619.3
Derricks CSO, §1619.2
Floating Cranes/Derricks CSO, §1619.3
Overhead & Gantry Cranes CSO, §1619.4
Pile Drivers (Dedicated) CSO, §1619.5
Tower Cranes CSO, §1619.1
Testing, Construction & Design  CSO, §1610.4
Tower Cranes CSO, §1619.1
Wire Rope Selection & Installation Criteria CSO, §1614
Inspection of CSO, §1613.10
DERRICKS, per ESO
Electrical Operations involving Derricks & Hoisting Equipment ESO-HV, §2940.7(c)  
Hoisting Devices ESO-HV, §2940.7(d)
Hoisting Cables ESO-HV, §2940.7(e)
Clearance to Exposed Energized Parts ESO-HV, §2940.7(c)(4)
Comply with GISO, Articles 91-100 ESO-HV, §2940.7(c)(1)
Contact with Exposed Energized Parts, Precautions ESO-HV, §2940.7(c)(5)
Hoisting Cables  ESO-HV, §2940.7(e)
Hoisting Devices  ESO-HV, §2940.7(d)
Warning signs, high-voltage overhead lines ESO-HV, §2947
DERRICKS, per GISO
  ”   ”  See also CRANES & Hoisting Equipment
Illustrations, Types of Derricks GISO, §4885, Plate II
General Requirements See under CRANES
Access to Sheaves, Bearings and Blocks GISO, §4963
Accident Prevention, High Voltage Area GISO, §5003
Adjustments and Repair of  GISO, §5034
Barge Mounted derricks, illustrations GISO, §4885 Plate III
Permanently Mounted  GISO, §4943
Bearings, access to GISO, §4963
Blocks, access to GISO, §4963
Certification Of GISO, Article 99
Construction of  GISO, §4960
Definitions GISO, §4885
Derrick Signals, Communication  GISO, §4964
Examination certificate GISO, §4885, Plate V
Testing certificate GISO, §5025
Examination, Proof Load Test & GISO, §5022
Fire extinguisher GISO, §4997
Floating A-frame derricks GISO, §4943
Floating derricks, illustrations GISO, §4885 Plate III
Permanently Mounted  GISO, §4943
Hoisting ropes GISO, §4962
Guying, Anchoring  GISO, §4960(a)
Reinforcing steel, prohibitions GISO, §4960(b)
Hoist Holding Mechanism  GISO, §4960(c)
Hoisting Ropes  GISO, §4962
Illustrations of GISO, §4885 Plate II
Inspections GISO, §5031
Licensing of Certifying Agent See Cal/OSHA, §344.60
Loads
Handling GISO, §4999
Overhead loads, employee safety GISO, §5002
Proof load testing GISO, §5023
Rigging by Qualified Person (Rigger) GISO, §4999(a)
Safe working load
Determination GISO, §5026
Increase of GISO, §5028
Reduction of GISO, §5027
Non-Permanent Operations, Rating Chart  GISO, §4961(b)
Testing, Proof Load Test & Examination GISO, §5022
Maintenance, preventive GISO, §5033
Operating practices GISO, §5008
Operating Rules for Derricks GISO, Article 98
Driver’s Position GISO, §4996
Fire Extinguisher GISO, §4997
Fueling, Refueling GISO, §4998
Handling Loads GISO, §4999
High Voltage Lines, Accident Prevention  GISO, §5003
Limit Switches GISO, §5000
Overhead Loads GISO, §5002
Operator Practices GISO, §5008
Operator Qualifications GISO, §5006
Rigging by Qualified Person (Rigger) GISO, §4999(a)
Scope of Article 98 GISO, §4990
Signals, Signal Person GISO, §5001
Suspended Personnel Platforms GISO, §5004(d)
Travel of Derricks GISO, §4991
Ridding Load Prohibited GISO, §4995
Operator Qualifications GISO, §5006
Trainees, for GISO, §5006(b)
Overhead high-voltage lines, Accident Prevention GISO, §5003
Petroleum Drilling Operations, Use of Derricks See DERRICKS, Oil & Gas Drilling & Production per PSO-D&P
Preventive Maintenance Program GISO, §5033
Rated Load Marking  GISO, §4961
Rating Chart GISO, §4961(a)
Refueling engines GISO, §4998
Repairs and Adjustments GISO, §5034
Riding on loads prohibited, per CSO CSO, §1718
Riding on loads prohibited, per GISO GISO, §4995
Safe Working Load Determination GISO, §5026
Sheaves, access to  GISO, §4963
Signals GISO, §4964
Illustrations GISO, §5001 Plates
Suspended Personnel Platforms GISO, §5004
Anti Two-Block Device GISO, §5004(e)(3)
Application GISO, §5004(a)
Design Criteria GISO, §5004(f)
Exception to Prohibited Use GISO, §5004(a)
Free Fall Prohibition GISO, §5004(e)
Instrument & Component Requirements GISO, §5004(e)
Loading Requirements GISO, §5004(h)
Operating Criteria GISO, §5004(d)
Pre-Lift Meeting GISO, §5004(m)
Rigging of GISO, §5004(i)
Scope of §5004 GISO, §5004(a)
Specifications GISO, §5004(g)
Traveling of Hoist or Crane GISO, §5004(l)
Trial Lift, Inspection & Proof Testing GISO, §5004(j)
Work Practices GISO, §5004(k)
Testing of GISO, §5020
Certificate, indicating GISO, §5025
Derricks over 3 tons rated capacity GISO, §5021
Operational testing GISO, §5020
Proof load test GISO, §5023
Safe working load, determination GISO, §5026
Decrease of GISO, §5027
Increase of GISO, §5028
Types of derricks, illustrations GISO, §4885 Plate II
DERRICKS, Oil & Gas Drilling & Production per PSO-D&P
Access to Derricks & Mast Floors PSO-D&P, §6579
Auxiliary Means of Escape from PSO-D&P, §6573
Blocks & Block Hooks, Traveling, or Similar PSO-D&P, §6638
Cantilever Derricks & Masts, Sheaves, Guarding of PSO-D&P, §6636
Catwalk at Drilling Wells  PSO-D&P, §6572
Construction & Maintenance PSO-D&P, §6568
Crown Blocks PSO-D&P, §6571
Crown Platforms & Railings  PSO-D&P, Article 25
Access & Lubrication  PSO-D&P, §6592(a)
Ladder Requirements  PSO-D&P, §6592(b)
Gin Pole Masts, Stationary or Portable  PSO-D&P, §6589
Portable Cantilever Derricks & Masts PSO-D&P, §6590
Portable Jackknife Derricks & Masts PSO-D&P, §6591
Telescoping Derricks & Masts PSO-D&P, §6591
Crown Platform & Railings for Standard Type Derrick PSO-D&P, §6562
Derricks, Standard Type,  PSO-D&P, Article 18
Blocks & Block Hooks, Traveling, or Similar PSO-D&P, §6638
Crown Platform & Railings PSO-D&P, §6562
Derrick installations, New & Old PSO-D&P, §6558
Group I, II & III Defined, By Installation Date PSO-D&P, §6558(a)
Abbreviations, groups of derricks PSO-D&P, §6558(b)
Derrick Ladder Requirements PSO-D&P, §6564
Inside Platform Requirements  PSO-D&P, §6560
Ladderway Openings in Platforms  PSO-D&P, §6565
Gin Pole, Derrick PSO-D&P, §6563
Guying Derricks PSO-D&P, §6566
Ladderway Openings in Platforms  PSO-D&P, §6565
Line Spoolers & Deadline Stabilizers PSO-D&P, §6688
Outside Derrick Platform Requirements PSO-D&P, §6561
Sheaves, Guarding of PSO-D&P, §6636
Tools, Equipment & Materials, Only Essential PSO-D&P, §6603
Wire Rope Lines PSO-D&P, §6640
Weight Indicators for Wire Hoisting Ropes PSO-D&P, §6690
Equipment, Tools & Materials, Only Essential PSO-D&P, §6603
Erection of Derricks & Masts PSO-D&P, Article 23
Hydraulic Lifts for Derricks & Masts PSO-D&P, §6583
Portable Telescoping Derricks & Masts PSO-D&P, §6582
Telescoping Gin Pole Masts PSO-D&P, §6584
Escape, Auxiliary Means of PSO-D&P, §6573
Escape Lines PSO-D&P, §6574 
Exit from Derricks & Mast Floors PSO-D&P, §6579
Fall Protection Requirements PSO-D&P, §6580
Fingers, Finger Boards & Finger Braces PSO-D&P, §6569
Gin Pole Masts PSO-D&P, §6589
Sheaves, Guarding of PSO-D&P, §6636
Guying Derricks & Masts PSO-D&P, §6586
Illumination / Lighting PSO-D&P, §6657
Jackknife Derricks & Masts, Sheaves, Guarding of PSO-D&P, §6636
Ladders & Ladderway Openings for Derricks & Masts PSO-D&P, Article 28
Ladders Requirements PSO-D&P, §6599
Pole Steps for Gin Pole Masts PSO-D&P, §6600
Line Spoolers & Deadline Stabilizers PSO-D&P, §6688
Materials, Equipment & Tools & Only Essential PSO-D&P, §6603
Pipe Racking Supports for Derricks & Masts PSO-D&P, §6596
Pipe Storage at Drilling Wells  PSO-D&P, §6572
Pipe & Sucker Rod Platforms for Derricks & Masts PSO-D&P, Article 26
Platforms & Access Requirements PSO-D&P, §6594
Platforms, Portable Cantilever Derricks & Masts PSO-D&P, §6595
Railings  See Crown Platforms & Railings
Rope Lines, Wire PSO-D&P, §6640
Safety Belts & Lanyards, Derrick / Mast Work PSO-D&P, §6580
Shafts & Cellars PSO-D&P, Article 20
Construction & Maintenance PSO-D&P, §6576
Entrance & Exit  PSO-D&P, §6577
Sheaves, Guarding of PSO-D&P, §6636
Stabbing Boards  PSO-D&P, §6570
Telescoping Derricks & Masts PSO-D&P, §6591
Sheaves, Guarding of PSO-D&P, §6636
Tools, Equipment & Materials, Only Essential PSO-D&P, §6603
Weight Indicators for Wire Rope Hoisting Lines PSO-D&P, §6690
Wire Rope Lines PSO-D&P, §6640
DESIGN & CONSTRUCTION, Personnel Transport Carriers (PTC's), per AgSO GISO, §3441(i)(4)
DESIGNATED BATTERY CHARGE LOCATION GISO, §5185
Corrosive Liquids, Spill Remediation, Neutralizing  GISO, §5185(c)
Electrolyte Dispensing GISO, §5185(d)
Electrolyte Mixing Area, Ventilated GISO, §5185(i)
Employee Instruction GISO, §5185(a)
Emergency Operations GISO, §5185(a)
Eye & Body Flushing & Drenching Area GISO, §5185(l)
Handling, Battery Lifting Devices GISO, §5185(f)
Ignition Sources, Prevention GISO, §5185(h)
Location designed for GISO, §5185(a)
Mobile Equipment GISO, §5185(d)
Physical Damage Prevention, Charging Equipment GISO, §5185(e)
Smoking Prohibition GISO, §5185(g)
Spark Proof Tools & Equipment GISO, §5185(h)
Spill Remediation, Neutralizing Corrosive Liquids  GISO, §5185(c)
Storage Racks, Non-conductive GISO, §5185(h)
Vent Caps GISO, §5185(k)
Ventilation of Area GISO, §5185(b)
DETERIORATING AGENTS / CONDITIONS, per ESO ESO-LV, §2340.11
Damp Locations ESO-LV, §2340.11(a)(1)
Gases, Fumes, liquids or Other ESO-LV, §2340.11(a)(2)   
Temperatures, Excessive ESO-LV, §2340.11(a)(3)  
Wet Locations ESO-LV, §2340.11(a)(1)  
DEVICES, Approvals of GISO, §3206
DIACETONE ALCOHOL, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIACETYL, Occupational Exposure to Food Flavorings Containing GISO, §5197
Access to Records GISO, §5197(k)(1)
Application & Scope GISO, §5197(a)
Definitions, Specific to Section 5197 GISO, §5197(b)
Selected Terms in Subsection (b):  
American Thoracic Society Guidelines GISO, §5197(b)(1)
CDPH Guidelines GISO, §5197(b)(3)
Diacetyl-containing GISO, §5197(b)(7)
Enclosed process GISO, §5197(b)(8)
Fixed Obstructive Lung Disease GISO, §5197(b)(10)
Medical guidelines GISO, §5197(b)(16)
OSHA Method GISO, §5197(b)(19)
OSHA reliable quantitation limit (OSHA RQL) GISO, §5197(b)(20)
Other artificial butter flavoring GISO, §5197(b)(21)
Program reviewer GISO, §5197(b)(24)
Reliable quantitation limit (RQL) GISO, §5197(b)(26)
Spirometric Reference Values GISO, §5197(b)(28)
Diacetyl Control Program, Written  GISO, §5197(e)(5)
Program Evaluation GISO, §5197(e)(6)
Employee Notification, of Exposure Assessment GISO, §5197(c)(5)
Engineering Controls & Work Practices GISO, §5197(e)
Written Diacetyl Control Program GISO, §5197(e)(5)
Program Evaluation GISO, §5197(e)(6)
Exposure assessment GISO, §5197(c)
Employee Notification, of Exposure Assessment GISO, §5197(c)(5)
General Requirements GISO, §5197(c)(1)
Initial Monitoring GISO, §5197(c)(2)
Periodic Monitoring GISO, §5197(c)(3)
Additional Monitoring GISO, §5197(c)(4)
Information &Training GISO, §5197(j)(1)
Awareness Training GISO, §5197(j)(1)(A)
Additional Training GISO, §5197(j)(1)(B)
Frequency of  GISO, §5197(j)(1)(B)1.
Content GISO, §5197(j)(1)(B)2.
Labeling Containers in the Workplace GISO, §5197(j)(2)
In Lieu if Labeling GISO, §5197(j)(2)(C)
  Laboratory Analysis, Protocol GISO, §5197, Appx A
Medical Removal of Employees GISO, §5197(i)
Workers' Compensation Claims GISO, §5197(i)(2) 
Medical Surveillance GISO, §5197(g)
PLHCP Written Opinion GISO, §5197(h)
Questionnaires, Respiratory Health GISO, §5197, Appx B
Monitoring, Exposure Assessment GISO, §5197(c)
Employee Notification, of Exposure Assessment GISO, §5197(c)(5)
General Requirements GISO, §5197(c)(1)
Initial Monitoring GISO, §5197(c)(2)
Periodic Monitoring GISO, §5197(c)(3)
Additional Monitoring GISO, §5197(c)(4)
Posting, Report of Use Notification GISO, §5197(k)(3)(C)
Questionnaires, Respiratory Health GISO, §5197, Appx B
Record keeping GISO, §5197(k)(1)
Regulated Areas GISO, §5197(d)
Report of Employee Diagnosis to Cal/OSHA GISO, §5197(k)(2)
Report of Use GISO, §5197(k)(3)
Cal/OSHA Notification of GISO, §5197(k)(3)(A)
Included in Report GISO, §5197(k)(3)(B)
Posting of Report GISO, §5197(k)(3)(C)
Respirator Protection GISO, §5197(f)
Selection Table GISO, §5197(f)(3)
Sampling Protocol GISO, §5197, Appx A
Training GISO, §5197(j)(1)
Awareness Training GISO, §5197(j)(1)(A)
Additional Training GISO, §5197(j)(1)(B)
Frequency of  GISO, §5197(j)(1)(B)1.
Content GISO, §5197(j)(1)(B)2.
Workers' Compensation GISO, §5197(a) Note 2, & (i)(2) 
Work Practices & Engineering Controls GISO, §5197(e)
Written Diacetyl Control Program GISO, §5197(e)(5)
Program Evaluation GISO, §5197(e)(6)
DIACETYL PEROXIDE
Process Safety Management GISO, §5189, Appx A
DIAZINON, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIAZOMETHANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process Safety Management GISO, §5189, Appx A
DIBENZOYL PEROXIDE
Process Safety Management GISO, §5189, Appx A
DIBORANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process Safety Management GISO, §5189, Appx A
DIBROM, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
1, 2 DIBROMO-3-CHLOROPROPANE (DPCP) (Nemagon) GISO, §5212
  "             "              "               "              "                "  See Also CARCINOGENS, Regulated
Application & Scope GISO, §5212(a)
Definitions  GISO, §5212(b)
Appendices, Application of GISO, §5212(r)
Change Room GISO, §5212(j)(1)
Emergencies, Notification per §5203  GISO, §5212(d)
Emergency Plan GISO, §5212(i)
Exposure Monitoring  GISO, §5212(f)
General  GISO, §5212(f)(1) 
Initial  GISO, §5212(f)(2) 
Frequency  GISO, §5212(f)(3) 
Additional Monitoring  GISO, §5212(f)(4) 
Employee Notification of  GISO, §5212(f)(5) 
Accuracy of Measurement  GISO, §5212(f)(6)
Exposure to, as Airborne Contaminant GISO, §5155, & Appx A
Housekeeping / Cleaning  GISO, §5212(k)
Hygiene Facilities & Practices  GISO, §5212(l) 
Change Rooms  GISO, §5212(l)(1)
Showers  GISO, §5212(l)(2)
Lunchrooms  GISO, §5212(l)(3)
Sanitation  GISO, §5212(l)(4)
Prohibition of Activities GISO, §5212(l)(5)
Medical Surveillance  GISO, §5212(m)
Methods of Compliance  GISO, §5212(g)
Priority of Compliance Methods  GISO, §5212(g)(1)
Compliance Program  GISO, §5212(g)(2)
Notification of Use per §5203  GISO, §5212(d)
Permissible Exposure Limit  GISO, §5212(c)
Inhalation of airborne DBCP GISO, §5212(c)(1)
Dermal & Eye Exposure  GISO, §5212(c)(2)
Respirators  GISO, §5212(h)
General  GISO, §5212(h)(1)
Respirator program  GISO, §5212(h)(2) 
Respirator Selection  GISO, §5212(h)(3)
Protective Clothing & Equipment  GISO, §5212(j)
Training & Employee Information  GISO, §5212(n) 
Training Program  GISO, §5212(n)(1)
Access to Training Materials  GISO, §5212(n)(2)
Signs & Labels  GISO, §5212(o)
Record keeping   GISO, §5212(p)
Exposure Monitoring  GISO, §5212(p)(1)
Medical Surveillance  GISO, §5212(p)(2)
Availability of  GISO, §5212(p)(3)
Transfer of Records  GISO, §5212(p)(4)
Regulated Areas  GISO, §5212(e)
Establishment of  GISO, §5212(e)(1)
Demarcation & Segregation  GISO, §5212(e)(2)
Signs, Posting of  GISO, §5212(e)(2)
Access to GISO, §5212(e)(3)
Observation of Monitoring  GISO, §5212(q)
DIBUTYLAMINOETHANOL, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIBUTYL PEROXIDE
Process Safety Management GISO, §5189, Appx A
DIBUTYL PHENYL PHOSPHATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIBUTYL PHOSPHATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIBUTYL PHTHALATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROACETYLENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process Safety Management GISO, §5189, Appx A
DICHLOROBENZENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
3,3'-DICHLOROBENZIDINE(& its Salts)    See CARCINOGENS, Specified
DICHLOROBUTENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLORODIFLUOROMETHANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLORODIMETHYL HYDANTOIN, Airborne Cont, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROETHANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROETHYLENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROETHYL ETHER, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROFLUOROMETHANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROMETHANE, METHYLENE CHLORIDE (MC) GISO, §5202
Application & Scope GISO, §5202(a)
Definitions  GISO, §5202(b)
Appendices GISO, §5202(p)
Communication of hazards, Employer Duty  GISO, §5202(k)
Data sheet, Health Hazard GISO, §5202, Appx A
Effective Dates GISO, §5202(n)
Emergencies, Respirator Protection GISO, §5202(g)(1)
Employee Information & Training GISO, §5202(l)
Exposure monitoring  GISO, §5202(d)
Exposure limits 
Eight-hour time-weighted average (TWA) PEL GISO, §5202(c)(1)
Short-term exposure limit (STEL)  GISO, §5202(c)(2)
First Aid  Procedure GISO, §5202, Appx A
Handling, Use, & Storage  GISO, §5202, Appx A
Hazard Communication, Employer Duty GISO, §5202(k)
Hygiene Facilities GISO, §5202(i)
Identification of GISO, §5202, Appx A
Medical Surveillance GISO, §5202(j)
Methods of compliance GISO, §5202(f)
Monitoring, Exposure  GISO, §5202(d)
Monitoring Methods GISO, §5202, Appx A
Permissible exposure limits (PELS)  GISO, §5202(c)
Eight-hour time-weighted average (TWA) PEL GISO, §5202(c)(1)
Short-term exposure limit (STEL)  GISO, §5202(c)(2)
Protective Work Clothing & Equipment GISO, §5202(h)
Record keeping  GISO, §5202(m)
Regulated areas GISO, §5202(e)
Reporting requirements Pursuant to §5203 GISO, §5202(o)
Respiratory protection GISO, §5202(g)
Storage  GISO, §5202, Appx A
Technical Data & Guidelines  GISO, §5202, Appx A
Training GISO, §5202(l)
Use, Handling & Storage  GISO, §5202, Appx A
DICHLORONITROETHANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
2,4-DICHLOROPHENOXY ETHYL SODIUM SULFATE( Sesone)
Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROPROPENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROPROPIONIC ACID, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROSILANE 
Process Safety Management GISO, §5189, Appx A
DICHLOROTETRAFLUOROETHANE, Airborne Cont, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICHLOROVOS, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICROTOPHOS, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICYCLOPENTADIENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DICYCLOPENTADIENYL IRON, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIE CASTING MACHINES GISO, Article 57
Cold chamber machines
Controls GISO, §4261
Helper’s protection GISO, §4263
Controls GISO, §4261
Activating plunger in shot sleeve GISO, §4262
Two-Hand Controls, Hot & Cold Chamber Die Casting Machines GISO, §4261(a)
Two-Hand Controls, Cold Chamber Machines GISO, §4261(e)
One-Hand Controls GISO, §4261(b)
Sliding Gate Guard interlock GISO, §4261(c)
Equivalent Controls GISO, §4261(d)
Helper’s protection GISO, §4263
Holding furnaces GISO, §4266
Hot chamber machines
Controls GISO, §4261
Helper’s protection GISO, §4263
Ladling Operations GISO, §4262
Plungers controls GISO, §4264
Shields GISO, §4265
DIE, Press Brake Die, Definition GISO, §4188(a)
DIELECTRIC & INDUCTION HEATING EQUIPMENT ESO-LV, Article 77.2
Application / Scope ESO-LV, §2567.1
Guarding & Grounding ESO-LV, §2567.2
Remote Controls ESO-LV, §2567.3
DIELDRIN, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIES, Design, Construction, Setting & Feeding of GISO, §4197
DIESEL ENGINES, per CSO
Exhaust Retrofit, Definition CSO, §1504(a)
Access of Vehicle not Obstructed CSO, §1591(m)(2)
Engine Performance CSO, §1591(m)(1)
Installation of Exhaust Retrofit CSO, §1591(m)
Fire Hazard, Effectively Shielded  CSO, §1591(m)(3)
Hot Surfaces of Exhaust System, Operator Shielding from CSO, §1591(m)(4)
Obstruction of Operator's View CSO, §1591(m)(5)
Exhaust Stack Requirements CSO, §1591(m)(6)
Maintenance of Exhaust Retrofit CSO, §1591(m)
Visibility Testing Applied to Exhaust Retrofit CSO, §1591, Appx A
Operated Inside Structures, Shafts, Culverts and Others CSO, §1533
Confined Space Requirements CSO, §1533(c)
Control of Exhaust Fumes CSO, §1533(a)
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
DIESEL ENGINES, per MSO
Fueling of Diesel Engines, Underground MSO, §7071
Permitted Use of Diesel Engines, Underground MSO, §7070
Prohibition of Engine Near Mine Opening  MSO, §7068
Prohibition of Engines Underground MSO, §7069
Use in Underground Mining permitted MSO, §7070
DIESEL ENGINES, per PSO
Stationary Engines per PSO-R,T&H PSO-R,T&H, §6874
Worksites Subject to PSO-D&P    PSO-D&P, §6684
Application / Scope of §6684  PSO-D&P, §6684(a)
Battery Covers, to Prevent Inadvertent Contact PSO-D&P, §6684(h)
Combustible material, prohibitions PSO-D&P, §6684(d) 
Cylinder Cocks PSO-D&P, §6684(e)
Electrical Accessories for ICE PSO-D&P, §6684(f)
Electrical Storage Batteries PSO-D&P, §6684(h)
Emergency Stop Device, Air and Gas Compressors PSO-D&P, §6554(h)
Emergency Stop Device, Drilling Equipment PSO-D&P, §6625 
Exhaust System Maintenance  PSO-D&P, §6684(c)
Flywheels PSO-D&P, §6682
Ignition Systems, prohibitions PSO-D&P, §6684(g) 
Overspeed (Runaway) Protection, Air and Gas Compressors PSO-D&P, §6554(h)
Overspeed (Runaway) Protection, Diesel Engines PSO-D&P, §6625.1
Overspeed (Runaway) Protection, Oil & Gas Drilling & Servicing Machinery PSO-D&P, §6625 
Power Controls  PSO-D&P, §6681
Precautions  PSO-D&P, §6554
Safety Precautions PSO-D&P, §6684(b) 
Starters for Internal Combustion Engines PSO-D&P, §6685
DIESEL ENGINES, per TSO
Application for Diesel Engine Permit  TSO, §8470(b)
Processing Time TSO, §8470(l)
Carbon Dioxide, Testing TSO, §8470(d)
Carbon Monoxide, Testing  TSO, §8470(d)
Diesel Engine Permitted in Writing  TSO, §8470(a)
Diesel Fuel, Sculpture (Sulfur) Content TSO, §8470(i)
Fresh Air Flow Where Diesel Engine is Operating  TSO, §8470(c)
Monitoring exhaust TSO, §8470
Prohibition, Except Diesel TSO, §8470
Locomotives, Haulage TSO, §8471 
Nitrogen Dioxide, Testing TSO, §8470(d), & Note
Nitrogen Dioxide, Exposure TSO, §8470(e)
Testing, Air Contaminants TSO, §8470(d)
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 Internal Combustion Engine, Except Diesel TSO, §8470
Locomotives, Haulage TSO, §8471 
Nitrogen Dioxide, Testing TSO, §8470(d)
Testing, Air Contaminants TSO, §8470(d)
DIESEL ENGINE OVERSPEED (RUNAWAY) PROTECTION
Definition PSO-D&P, §6505
Overspeed (Runaway) Protection, Diesel Engines PSO-D&P, §6625.1
Air Monitoring for LEL PSO-D&P, §6625.1(c)
Emergency Shut Off Device (Air Intake Shut Off Valve) PSO-D&P, §6625.1(e)
Prohibition for Restarting PSO-D&P, §6625.1(f)
Prohibition from Operating above 10% LEL PSO-D&P, §6625.1(b)
Requirements when not Air Monitoring PSO-D&P, §6625.1(d)
Safety Zone, 50 Feet from Well Bore PSO-D&P, §6625.1(a)
Overspeed (Runaway) Protection, General Industry GISO, §3511
Overspeed (Runaway) Protection, Oil & Gas Drilling & Servicing Machinery PSO-D&P, §6625
DIESETTING GISO, §4199
DIETHANOLAMINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYLALUMINUM CHLORIDE
Process Safety Management GISO, §5189, Appx A 
DIETHYLAMINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYLAMINO ETHANOL, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYLENE GLYCOL DIETHYL ETHER, Airborne Cont, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYLENE GLYCOL DIMETHYL ETHER, Airborne Cont, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYLENE TRIAMINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYL KETONE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYL PHTHALATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIETHYLZINC
Process Safety Management GISO, §5189, Appx A 
DIFLUORODIBROMOMETHANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIGLYCIDYL ETHER, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIISOBUTYL KETONE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIISOPROPYLAMINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIISOPROPYL PEROXYDICARBONATE
Process Safety Management GISO, §5189, Appx A
DIKES, Precautions, Open Surface Tanks   GISO, §5169
DIKES & DRAINAGE 
Aboveground Tanks, per GISO GISO, §5595(a) 
Aboveground Tanks, per PSO-D&P  PSO-D&P §6548 
Aboveground Tanks, per PSO-R,T&H PSO-R,T&H, §6805(a)
DILALUROYL PEROXIDE
Process Safety Management GISO, §5189, Appx A
DIMETHYLACETAMIDE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIMETHYLAMINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
4-DIMETHYLAMINOAZOBENZENE    See CARCINOGENS, Specified 
DIMETHYLANILINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIMETHYLDICHLOROSILANE
Process Safety Management GISO, §5189, Appx A
DIMETHYLETHOXYSILANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIMETHYLFORMAMIDE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
1, 1-DIMETHYLHYDRAZINE (UDMH), Airborne Cont, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process Safety Management GISO, §5189, Appx A
DIMETHYLMERCURY GISO, §5191, Appx A
DIMETHYL PHTHALATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIMETHYL SULFATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DINITOLMIDE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DINITROANILINE
Process Safety Management GISO, §5189, Appx A 
DINITROBENZENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DINITROCHLOROBENZENE
Process Safety Management GISO, §5189, Appx A
DINITRO-O-CRESOL, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DINITROTOLUENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DINKING MACHINE, Leather & Composition Goods GISO, §4510
DIOXANE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIOXATHION, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIPHENYLAMINE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIPROPYLENE GLYCOL METHYL ETHER, Airborne Cont, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIPROPYL KETONE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIP TANKS  GISO, Article 136
  ”         ” See also FLAMMABLE LIQUIDS, GASES & VAPORS
  ”         ” See also DIPPING / IMMERSION TANKS, Open-Surface 
Construction of  GISO, §5426
Conveyor System  GISO, §5429
Dip Tank Covers  GISO, §5435
Dip Tank Liquids
Handling of GISO, §5431(b)
Heating of   GISO, §5430
Salvage of GISO, §5428
Storage GISO, §5431(a)
Electrical & Other Sources of Ignition GISO, §5432
Electrostatic Apparatus GISO, §5438
Fire Protection  GISO, §5434
Flow Coat GISO, §5437
Hardening & Tempering Tanks GISO, §5436
Heating Dip Tank Liquids GISO, §5430
Liquids Used, Storage & Handling GISO, §5431
Maintenance of GISO, §5433
Operations & Maintenance GISO, §5433
Roll Coating GISO, §5439
Salvage Tanks, Use of GISO, §5428
Sources of Ignition GISO, §5432
Static Electricity, Precautions GISO, §5431(b)
Ventilation GISO, §5427
DIPPING / IMMERSION TANKS, Open-Surface 
Ventilation & Personal Protective Equipment GISO, §5154
Application GISO, §5154(a)
Classification of Tanks GISO, §5154(b)
Cleaning Equipment, Spray GISO, §5154(i)
Hazard Determination GISO, §5154, Table V-7
Vapor & Gas Evolution Rate  GISO, §5154, Table V-8
Control Methods, Other GISO, §5154(g)
Control Requirements GISO, §5154(c)
Velocity, Control GISO, §5154, Table V-9
Degreasing Equipment, Spray GISO, §5154(i)
Degreasing Equipment, Vapor GISO, §5154(h)
Hood Classification GISO, §5154(d)
Personal Protective Equipment  GISO, §5154(j)
Push-Pull System Requirements GISO, §5154(f)
Ventilation Rate GISO, §5154(e)
DIQUAT, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DISASTERS See EMERGENCIES
DISC SANDERS, Woodworking  GISO, §4313
DISCHARGE LOCATIONS, Drain, Trap, & Blowout GISO, §3310
DISCLOSURE OF INFORMATION    See ACCESS, To Information to Information
DISCONNECTING MEANS, Electrical
Accessible Switches GISO, §4001
Appliances, General ESO-LV, §2522.20
Fixed Appliances  ESO-LV, §2522.21
High Voltage  ESO-HV, §2718.1
Motor-Driven Appliances ESO-LV, §2522.26
Portable Appliances  ESO-LV, §2522.22
Stationary Appliances ESO-LV, §2522.23
De-icing and snow melting equipment, Outside ESO-LV, §2526.50
Disconnecting Means  ESO-HV, §2718.1
Marking of ESO-HV, §2718.1(a)
Fuses, Supply Side of ESO-LV, §2390.20
Service Entrance ESO-LV, §2380.1
In-sight of Motor location ESO-LV, §2530.86
Marked, Labeled ESO-LV, §2340.22
Operable GISO, §4001
Plug of Cord-Connected Equipment ESO-LV, §2527.55
DISCONNECTING CAPACITORS AND MEANS FOR DISCHARGE, High Voltage ESO-HV, §2940.17
Disconnecting capacitors  ESO-HV, §2940.17(a)
Discharge circuit  ESO-HV, §2940.17(b)
Working on capacitors  ESO-HV, §2940.17(c)
Handling the capacitors ESO-HV, §2940.17(d)
DISCONTINUED CIRCUITS ESO-LV, §2340.24
DISEASES, AEROSOL TRANSMISSIBLE GISO, §5199
Application & Scope GISO, §5199(a)
ATP (Aerosol transmissible pathogen) GISO, §5199(b)
Definitions GISO, §5199(b)
Exposure Control Plan GISO, §5199(d)
Engineering Controls  GISO, §5199(e)
Laboratories GISO, §5199(f)
Medical Services GISO, §5199(h)
Personal Protective Equipment GISO, §5199(e)
Record keeping GISO, §5199(j)
Work Practice Controls  GISO, §5199(e)
Referring Employers GISO, §5199(c)
Respiratory Protection GISO, §5199(g)
Training GISO, §5199(i)
DISEASES, AEROSOL TRANSMISSIBLE– ZOONOTIC GISO, §5199.1
Application, Scope & Definitions  GISO, §5199.1(a)
ATP (Aerosol transmissible pathogen) GISO, §5199.1(a)(4)
Disease control procedures 
Work Operations involving ATP infected Animal GISO, §5199.1(d)
Wildlife, Exposure to potentially infectious wildlife GISO, §5199.1(b)
Quarantine order, Operations, due to an ATP infection GISO, §5199.1(c)
Employee Safeguards, at no cost to employee GISO, §5199.1(a)(3)
Medical Services GISO, §5199.1(d)(8)
Exams, Evaluations GISO, §5199.1(d)(8)(A), (B), (C), (E)
Vaccinations GISO, §5199.1(d)(8)(D)
Record keeping  GISO, §5199.1(e)
Respiratory Protection   GISO, §5199.1(d)(4)
Quarantine order, due to an ATP infection, during Operations Involving GISO, §5199.1(c)(2)(C)
Toxic or Asphyxiant Gases, protection  per  GISO,  §5144(g) GISO, §5199.1(c)(2)(C)
Wildlife, Exposures, Use of N95 Respirator or Better GISO, §5199.1(b)(3)
Work Operations involving ATP infected Animal GISO, §5199.1(d)(4)
Written Procedure  GISO, §5199.1(d)(1)(C)(4)
Training GISO, §5199.1(d)(9)
Quarantine order, due to an ATP infection, Disease control procedures  GISO, §5199.1(c)
Vaccinations, Medical Services GISO, §5199.1(d)(8)
Wildlife, Exposure to potentially infectious wildlife   GISO, §5199.1(b)
DISEASES, Cancer    See CARCINOGENS
DISEASES, Tuberculosis, M, Respiratory Protection from GISO, §5147
TB Test GISO, §5199(h)(3)
DI-SEC-OCTYL PHTHALATE, Airborne Contaminant 
Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DISHWASHING MACHINES See Also APPLIANCES, per ESO
Grounding, Electrical, Cord- & Plug-connected  ESO-LV, §2395.45(a)
DISMANTLING PIPING, Pressure Relieving before GISO, §3329(d)
DISTILLERIES, Flammable & Combustible Liquids GISO, §5629
Fire Control, Access to Process Units  GISO, §5629(d)
Fire Fighting Equipment
Portable fire extinguishment and control equipment  GISO, §5629(e) 
Water, Availability   GISO, §5629(f) 
Special Extinguishing Equipment   GISO, §5629(g)  
Fired pressure vessels GISO, §5629(b)  
Flammable and combustible liquids, Storage  GISO, §5629(a)
Piping systems  GISO, §5629(b) 
Pressure Vessels GISO, §5629(b)
Process units, Accessible   GISO, §5629(d)
Smoking Restrictions    GISO, §5629(h) 
Storage, Flammable and combustible liquids GISO, §5629(a)
Tanks, Installation of  GISO, §5629(a)
Unfired pressure vessels GISO, §5629(b)
Wharves GISO, §5629(c) 
DISULFIRAM, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DISULFOTON, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DISYSTON, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DITCHES, Guarding of GISO, §3273(l)
DI-TERT-BUTYL-P-CRESOL, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIURON, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIVERSION DAMS, DIKES, Protection against Water MSO, §7175
DIVERSION, Drainage, for Aboveground Storage Tanks PSO-D&P, §6548
DIVIDERS, Dough, Food Service Machinery
Guarding & Interlocking of  GISO, §4545
DIVING OPERATIONS, General GISO, Article 152
Application / Scope GISO, §6050
Definitions GISO, §6051
Basic operation procedures GISO, §6056
Commercial diving operations See DIVING OPERATIONS, Commercial
Decompression chambers GISO, §6063
Deviations From Requirements GISO, §6050(a)(2)
Dive, Basic Operation Procedures GISO, §6056
Dive Planning GISO, §6055
Dive Procedures GISO, §6060 
Equipment procedures and requirements GISO, §6063
Operation procedures GISO, §6061
Post-dive Procedures GISO, §6056.1
General Requirements GISO, §6056.1(a)
Precautions  GISO, §6056.1(b)
Recompression Capability GISO, §6056.1(c)
Decompression Chamber GISO, §6056.1(c)(3)
Dive Team Member GISO, §6056.1(c)(6)
Treatment Table GISO, §6056.1(c)(5)
Decompression, Underwater Stage GISO, §6061(f)(2)
Decompression Chambers GISO, §6063 
Decompression Tables GISO, §6085(a)
Diving Operations, General Requirements GISO, §6050
Notice to Division GISO, §6050(a)(2)
Employer’s duties GISO, §6052
Equipment procedures and requirements GISO, §6057 
First-aid supplies GISO, §6052(f)   
General Requirements GISO, §6052   
Dive Location GISO, §6052(b)  
Dive Team GISO, §6052(c)  
Medical Requirements of GISO, §6053
Person Incharge GISO, §6052(d)   
Training / Experience of GISO, §6052(d)   
Employer Obligation GISO, §6052(a)
First Aid Supplies GISO, §6052(f)   
Manual of Diving Safety GISO, §6052(b)  
Required Elements of  GISO, §6054
Pressure Related Injury Documentation GISO, §6052(g)(2)  
Record of Dive GISO, §6052(g)   
Training, Diver Team GISO, §6052(d)   
Warning Signal GISO, §6052(e)   
HOOKAH diving, Procedure GISO, §6056(a)(5)
Injury, Record keeping requirements GISO, §6058
Inspection, Pre-Dive GISO, §6052(c)(3)
Liveboating, Procedure GISO, §6056(c)
Manual of Diving Safety GISO, §6052(b)  
Required Elements of  GISO, §6054
Medical Requirements of Dive Team GISO, §6053
Exposure to hyperbaric conditions Limits GISO, §6063, Appx A
Mixed Gas Diving GISO, §6061(a)
Person-in-charge of Dive Team GISO, §6052(c)(1)
Training and experience GISO, §6052(c)(1)(B)
Dive Team GISO, §6052(c)
Planning, Dive GISO, §6055
Procedures, General GISO, §6056
Commercial diving operations GISO, §6061
Post dive procedures GISO, §6056.1
Record keeping  of Dive GISO, §6052(g)
Record keeping  of Injuries / Illnesses GISO, §6058
Scientific Diving Guidelines GISO, §6063, Appx B
SCUBA Diving, Procedure GISO, §6056(a)(2)
Equipment procedures and requirements GISO, §6057
Reserve breathing gas supply GISO, §6056(a)(2)(J)
Surface-supplied-air Diving Procedure GISO, §6056(b)
Decompression Chamber GISO, §6056(b)(1)(E)
The Dive Team GISO, §6052(c)
Training and Experience GISO, §6052(d)
Warning Signal GISO, §6052(e)   
DIVING OPERATIONS, Commercial GISO, Article 153
Application / Scope GISO, §6059
Dive Procedures  GISO, §6060
Post Dive Procedures GISO, §6056.1
Specific Operations GISO, §6061
Equipment Requirements GISO, §6063
Hyperbaric Conditions, Restrict of Limit Exposure GISO, §6063, Appx A
Post Dive Procedures GISO, §6056.1
DIVING OPERATIONS, Scientific Purposes GISO, §6063, Appx B
DIVINYL BENZENE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DIVISION of OCCUPATIONAL SAFETY & HEALTH (Cal/OSHA) See Cal/OSHA Web Page
Reporting 
 Accident Reporting, Injury & Fatality See Cal/OSHA, §342
Actinolite Non-Asbestiform exposure to  GISO, §5208.1(l) 
Aerial passenger tramways
Injuries  PARSO, §3154
Inspections  PARSO, §3153
Air tanks See AIR TANKS
Amusement Ride Accident GISO, §3920
Anhydrous ammonia tanks, Repairs to  See Cal/OSHA, §512(f)
Anthophylite, Non-Asbestiform, exposure GISO, §5208.1(l)
Asbestos Use
Per CSO CSO, §1529(r)
Per GISO GISO, § 5208(o)
Per SSO  SSO, § 8358(q)
Blasting accidents GISO, §5248 
Blasting Activities, per CSO CSO, §1906(a)
Boilers B&FPV, §770(b)(3)
Local Inspection In Lieu of Division Inspection B&FPV, §774(a)(1)
Secondhand Power boilers B&FPV, §767
Butadiene GISO, §5203
Cadmium See CADMIUM
Carcinogens See CARCINOGENS & under Chemical Name
Carcinogen Report of Use Requirements GISO, §5203
Accident/Incident reporting  GISO, §5203(f) 
Incidents /Emergency reporting  GISO, §5203(f) 
Posting of report GISO, §5203(g)
Report of Use GISO, §5203(d)
Temporary worksites GISO, §5203(e)
Use requiring reporting GISO, §5203(c)
Compressed natural gas Tanks, Welded Piping or Welded Vaporizers
Alteration & Repair UFPV, §526(f)
Dichloromethane, Methylene Chloride (MC), Carcinogen Use Reporting GISO, §5203
Explosives, Manufacturing Operations  GISO, §5320 
Fatalities & Serious Injuries  See Cal/OSHA, §342
Fatality, per TSO  TSO, §8420(c) 
Incident Notification MSO, §6960(a)
Lead work, Notification of disposal of Records  GISO, §5198(n)(5)
Notification of disposal of Records  CSO, §1532.1(n)(6)
Liquefied Natural Gas, Tanks, Welded Piping or Welded Vaporizers
Alteration & Repair UFPV, §526
Methylene Chloride, Carcinogen Use Reporting GISO, §5203
Methylenedianiline, Carcinogen Use Reporting GISO, §5203
Mining Operations
Conditions, Unsafe, reporting to Employer   MSO, §6965
Incident, per MSO MSO, §6960(a)
Accident that increases Mining hazards MSO, §6960(a)(10)
Accumulation of gas MSO, §6960(a)(2)
Approaching Mine working w/ Gas or Water MSO, §6960(a)(6)
Crushing of Active Mine Workings MSO, §6960(a)(7)
Fatality MSO, §6960(a)(9)
Fire MSO, §6960(a)(1)
Ground Instability MSO, §6960(a)(8)
Hoisting Equipment Breakage MSO, §6960(a)(3)
Injury, Serious MSO, §6960(a)(9)
Inrush of Water, Serious MSO, §6960(a)(5)
Overwinding, Hoisting Equipment MSO, §6960(a)(4)
Notification of Fatality, per TSO  TSO, §8420(c) 
Poster, Cal/OSHA See Cal/OSHA, §340
Pressurized Worksite Operations GISO, §6075(a)
Tremolite, Non-Asbestiform, Exposure  GISO, §5208.1(l)
Tunneling Operations
Fatality TSO, §8420(c) 
 Tunnel Classifications TSO, §8422(a)
  Reclassification  TSO, §8422(e)
DOCK PLATES & LOADING RAMPS GISO, §3337
DOCKS, Marine terminal operations    GISO, §3465
"             "              "             "              " See also MARINE TERMINAL OPERATIONS 
DOCTORS See PHYSICIANS
DODGE-EM RIDES, Amusement Rides GISO, §3907(b)
DOLLIE, Hand  GISO, §3315
DOORS & DOORWAYS    See also EXITS
Entry GISO, §3235
Hoists, personnel CSO, §1604.6
Places of Employment, at GISO, §3235
Cargo Doors GISO, §3323
Tele-Communication Operations, per TelSO TelSO, §8602(d)
Unlocked  GISO, §3235(e)
DOOR LOCKS, Operable From Both Sides GISO, §4536
DOT, Placards, Labels, Markings GISO, §5194.1
Truck Transport GISO, §5270
DOUBLE CONNECTIONS, Structural Steel, Illustrations CSO, §1710, Appx B
DOUBLE CLEAT LADDER CSO, §1504(B)
DOUBLERS (Sliver & Ribbon Lap Machines) GISO, §4469
DOUGH BRAKE, Food Service  GISO, §4544
DRAGLINES, Shovels & Loading Devices MSO, §7012
Parts Subject to Wear  MSO, §7011
Inspection Requirement MSO, §7011(a)
Inspection Reports, Cal/OSHA Mandated MSO, §7011(b)
Intervals of Inspections MSO, §7011(c)
DRAIN, Discharge Locations GISO, §3310
DRAINAGE, Of Hazardous Substances, per PSO-R,T&H  PSO-R,T&H, §6828
DRAINAGE, Control
Aboveground Tanks, per GISO  GISO, §5595(a) 
Aboveground Tanks, per PSO-D&P  PSO-D&P §6548 
Aboveground Tanks, per PSO-R,T&H PSO-R,T&H, §6805(a)
Inside Buildings  GISO, §3309
Oil, Oil Water Mixture, Haz-Waste, Collection Sumps, Pits, Ponds PSO-D&P, §6538
Storage Tanks GISO, §5595(a) 
DRAINAGE SUMPS, Pits, Ponds for Oil Collection PSO-D&P, §6538 
DRAPES, Decorative Materials GISO, §3217
DRAWING FRAMES, Textile Machinery  GISO, §4459
DRESSING ROOMS, per TSO TSO, §8431
DRILLING, Use of Drilling Equipment, per GISO GISO, §3322
DRILLING, General Requirements, per TSO TSO, §8449
Use of Jumbos in Tunneling operations TSO, §8450
DRILLING OPERATIONS, Rock, per CSO CSO, §1538
DRILLING OPERATIONS, Mining Operations MSO, §7005
” ” ” ” See Also MINING
DRILLING & WELL SERVICING, Oil & Gas Wells, per PSO PSO-D&P, Article 35
Application / Scope PSO-D&P, §6621
Brakes & Brake Control Mechanism PSO-D&P, §6626
Catheads  PSO-D&P, §6642 
Chain Used for Spinning Lines  PSO-D&P, §6645
Lines Used on Catheads PSO-D&P, §6644
Drilling Equipment, Construction & Maintenance PSO-D&P, §6624
Emergency Stop Device PSO-D&P, §6625
Guarding PSO-D&P, §6622
Illumination / Lighting PSO-D&P, §6657
Line Spoolers & Deadline Stabilizers PSO-D&P, §6688
Power Tongs Control Mechanism PSO-D&P, §6628
Hose, Rotary Hose & Circulating & Standpipe PSO-D&P, §6609
Safety Provisions & Precautions  PSO-D&P, §6655
Weight Indicators for Wire Rope Hoisting Lines PSO-D&P, §6690
Well Servicing Equipment, Construction & Maintenance PSO-D&P, §6624
DRILLS See also TOOLS & HAND TOOLS
Grounding, Electrical, Cord- & Plug-connected  ESO-LV, §2395.45(a)
DRINKING WATER, Requirements  GISO, §3363
Agricultural Operations, For GISO, §3457(c)(1)
Access to Drinking Water GISO, §3395(c)
Maintenance of GISO, §3457(c)(3)
Heat Illness Prevention GISO, §3395(c)
Maintenance of GISO, §3457(c)(3)
Potable Water in Adequate Supply GISO, §3363(a)
Clean & Sanitary GISO, §3363(b)
Common use, Prohibition GISO, §3363(e)
Construction Operations CSO, §1524
Common Drinking Cups / Containers CSO, §1524(a)(5)
Drinking Water  CSO, §1524(a)
Non-Potable Water CSO, §1524(b)
Backflow Protection CSO, §1524(b)(3)
Posting at Outlet CSO, §1524(b)(2)
Prohibition of Use CSO, §1524(b)(1)
Cups, Drinking, Agricultural Operations GISO, §3457(c)
Cups, Drinking, Ship Building, Ship Repairing & Ship Breaking Operations SSO, §8397.4(b)
Dipping or Pouring of, Prohibition GISO, §3363(d)
Dispenser, Designs & Construction GISO, §3363(c)
Dispensing of Water SSO, §8397.4(b)
Drinking Supply, Not in Toilet Rooms GISO, §3363(b)
Fountains GISO, §3363(b)
Portable dispensers GISO, §3363(c)
Heat Illness Prevention GISO, §3395
Labor Camps, In  GISO, §3363
Maintenance of Supply & Dispenser GISO, §3363(b)
Portable dispensers, use GISO, §3363(c)
Mining Operations MSO, §6975
Non-potable Water Posting SSO, §8397.4(b)
Non-potable Water use for, Prohibition GISO, §3363(f)
Posting / Labeling, Non-potable Water GISO, §3363(g)
Backflow Prevention, Non-potable Water GISO, §3363(h)
Outside Work Locations, per GISO GISO, §3395
Pouring or Dipping of, Prohibition GISO, §3363(d)
Shared Use of Cups, Dippers, & Water Bottles Prohibited SSO, §8397.4(b)
Tunneling Operations TSO, §8432
DRIVERS LICENSE  GISO, §3701
Logging Trucks, Operating LSSO, §6336(a)
Farm labor vehicles, Operating GISO, §3701(a)
Transporting Employees GISO, §3701(b)
DRIVERS TRAINING
Logging Truck Operators LSSO, §6336(b)
DRIVE SHAFT, Guarding  GISO, §4050(a)
DRIVEWAYS
De-icing and snow melting equipment, Disconnect ESO-LV, §2526.50
DRIVING, PILE  CSO, §1600
Access Pits CSO, §1600(r)
Access to Pile Leads CSO, §1600(f)
Access to Sheet Piles CSO, §1600(g)
Blocking Device CSO, §1600(b)
Confined Space Entry per     Section 5158 CSO, §1600(r), Note
Control Valves CSO, §1600(c)(2)
Danger Zone CSO, §1600(a)
Deck Engines CSO, §1600(m)
Extracting of  piles CSO, §1601(b)
Guardrails / Guard-lines CSO, §1600(d)
Hand Signals, Recommended in Plate C-11 CSO, §1600(l)
Hoist Drums CSO, §1600(n)
Hoisting of Piles/Piling CSO, §1600(p)(3), (s) & (t)
Inspection Requirements, Pile Hammer CSO, §1600(i)(1)
Jacked Piles CSO, §1600(r)
Ladder Access  CSO, §1600(g)
Leads, Access to  CSO, §1600(d) & (f)
Leads, General Requirements CSO, §1600(o)
Lifesaving Boats, per  Article 13 CSO, §1600(j) & (k)
Lockout/Blockout CSO, §1600(b), (f)(2) & (n)
Pile Driving Requirements CSO, §1600(h)
Pile Gates CSO, §1600(o)(4)
Pile Hammer Requirements CSO, §1600(i)
Platforms CSO, §1600(d)
Precautions, Ensure from falling CSO, §1600(e)
Pressurized Lines & Hoses CSO, §1600(c)
Ring Buoys, Water Safety CSO, §1600(j) & (k)
Securing the Hammer, Effective Blocking  CSO, §1600(b)
Sheet Pile Access CSO, §1600(g)
Signaler, Designated CSO, §1600(l)
Stability of Pile Driving Rig  CSO, §1600(p)
Steam Lines & Hoses CSO, §1600(c)
Stirrups, Employee Access to Sheet Piles CSO, §1600(g)
Storing piles CSO, §1601
Taglines, controlling unguided piles & free hanging hammers CSO, §1600(t)
Toeboards per    Section 1621(b) CSO, §1600(e)
Tube (Pipe) Piles, Blown out CSO, §1600(q)
Unloading piles CSO, §1601
Valves, Pressurized Steam & Air Line Controls CSO, §1600(c)
Water Safety CSO, §1600(j) & (k)
DROP LINES, Fall Protection, for Workers  CSO, §1670(b)
Lanyard, Safety belt, harness, prohibitions CSO, §1670(h)
DROPS, Decorative Materials GISO, §3217
DROWNING HAZARD, Work Over or Near Water
Agricultural Operations GISO, §3448
Construction Operations, per CSO
Access to or From Wharves, Floats, Barges, and/or Boats CSO, §1603
Cat Walks, Ramps, Gangways, etc CSO, §1603(e)
Hand Rail CSO, §1603(e)
Illumination CSO, §1603(g)
Ladder to surface of Water, Water Safety CSO, §1602(a)(4)
Jacob's Ladder (Chain Ladder/ Rope) CSO, §1603(h), & (i)
Barges, Access Ramp, Adequate Strength CSO, §1603(a)
Barges, Fixed Ladder to surface of Water, Water Safety CSO, §1602(a)(4)
Catwalks over Water CSO, §1603(b)
Drowning Danger  CSO, §1602(a)
Fall Protection Measures CSO, §1602(a)
First Aid/ Medical Assistance CSO, §1602(b)
Ladder to surface of Water, Water Safety CSO, §1602(a)(4)
Life lines, Tag lines CSO, §1602(a)(3)
Life Preservers, Control of Drowning Hazard per CSO  CSO, §1602 
Lifesaving Boats  CSO, §1602(a)(3)
Personal Flotation Devices (PFD) CSO, §1602(a)(1)
Pile Driving Water Safety CSO, §1600(j) & (k)
Lifesaving Boats, per  Article 13 CSO, §1600(j)
Ring Buoys CSO, §1600(j) & (k)
Platforms over Water CSO, §1603(d)
Railings   per CSO, §1620  CSO, §1603(d)
Ring Buoys CSO, §1602(a)(2)
Walkways, Dredge Discharge Pipe Lines use as CSO, §1603(a)
General Requirements, per GISO GISO, §3389
Life Preservers, per GISO  GISO, §3389
Approval of, Coast Guard GISO, §3389(b)
Floating Cranes/Derrick operations, During GISO, §4944
Life Rings GISO, §3389
Maintenance of GISO, §3389(c)
Removal from Service when Damaged GISO, §3389(c)
Life Preservers, per CSO CSO, §1602 
Drowning Danger  CSO, §1602(a)
Exception, w/ Fall Protection Measures CSO, §1602(a)
Life lines, Tag lines CSO, §1602(a)(3)
Lifesaving Boats  CSO, §1602(a)(3)
Personal Flotation Devices (PFD) CSO, §1602(a)(1)
Ring Buoys CSO, §1602(a)(2) 
Mining Operations, per MSO  MSO, §6980(a)
Paper, Pulp & Paperboard Mills GISO, §3448
Tunneling Operations, per TSO  TSO, §8427
DRUGS, NARCOTICS
Drugs & Alcohol Prohibited at Mining Operations MSO, §6973(c)
Drugs & Alcohol Handling or Use Prohibited at Blasting or Pyrotechnic Operations GISO, §5247(b)
DRUM SANDER, Woodworking  GISO, §4314
DRUNKEN SAW, Wobble Saw, Woodworking GISO, §4323
DRY CLEANING & LAUNDRY EQUIPMENT  GISO, Article 67
Boilers GISO, §4493
Clothes Tumbler, Shaker, Batch Type GISO, §4486
Dampening Machines GISO, §4488
Drying Box, Cabinet GISO, §4487
Drying Tumblers GISO, §4485
Extractors GISO, §4482
Ironer, Flatwork Type GISO, §4489
Body Type GISO, §4490
Press Type GISO, §4492
Rotary Type GISO, §4491
Marking Machine GISO, §4480
Operating Rules GISO, §4494
Pressure Vessels GISO, §4493
Shaker, Batch Type Tumblers GISO, §4486
Washing Machines GISO, §4481
Wringers, Power GISO, §4483
DRYERS, Electrical grounding ESO-LV, §2395.45 
DRYING CANS GISO, §4472
DRYING FACILITIES, Clothing, per TSO  TSO, §8431
DUMBWAITERS, Electrical Requirements ElevSO, §3112
” ” ” ” See also under ELEVATORS 
Application / Scope ESO-LV, §2562.1
Controllers, Motor See also under ELEVATORS ESO-LV, §2562.7 
Disconnecting Means ESO-LV, §2562.2
Identification, Sign Requirements ESO-LV, §2562.3
Interconnection, Multicar Controllers ESO-LV, §2562.6
Motor Controllers ESO-LV, §2562.7
Sign Requirements ESO-LV, §2562.3 
Single-Car & Multicar Installations ESO-LV, §2562.4
Multiple Driving Machines ESO-LV, §2562.3
Multiple Disconnecting Means ESO-LV, §2562.5
Multicar Controllers ESO-LV, §2562.6
Warning Signs  ESO-LV, §2562.5
DUMP, Log Dump LSSO, §6340
DUMP-BINS, Food Service GISO, §4531
DUMPING, Loading & Hauling, per MSO MSO, §7010
Parts Subject to Wear  MSO, §7011
DUMPING, Locations, Surface & Underground, per TSO TSO, §8480
DUMP TRUCKS, Control of Hazardous Energy during Repair, per CSO CSO, §1595(b) 
DURSBAN, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DUST, Control of, per CSO See also DUSTS, FUMES, MISTS, VAPORS & GASES, per CSO
Haulage, Earthmoving, to Maintain Visibility CSO, §1590(d) 
Respiratory Protection, During Dusty Operations CSO, §1590(d) 
DUST, Control of, per MSO 
Dust, Smoke & Gases after Blasting MSO, §7095
Dust, Smoke & Gases, Secondary Blasting MSO, §7096
Mechanical Ventilation MSO, §7099
Mine Ventilation MSO, §7098
Mucking & Transferring Rock MSO, §7094
Mucking & Transferring Rock, Dust Control MSO, §7094
Radiation Hazards, Underground MSO, §7091
Rock Drilling, Dust Control MSO, §7093
Rock Drilling Requirements MSO, §7093
While Drilling MSO, §7092
DUST, Control of, per PSO-R,T&H  PSO-R,T&H, §6788
DUST, Control of, per TSO TSO, §8438
DUST, Suppression of GISO, §5145
DUSTS, FUMES, MISTS, VAPORS & GASES, per CSO CSO, Article 4
Dusts Control at Worksite CSO, §1528
Dust Exposure, Concrete / Masonry Operations  CSO, §1530.1
Exhaust systems CSO, §1530
Flammable Vapors, Control of  CSO, §1534
General requirements  CSO, §1528
Internal combustion engines  CSO, §1533
Mechanical ventilation systems  CSO, §1530
Respiratory protective equipment CSO, §1531
Rock Drilling Operations CSO, §1538
DUST, Control of, per GISO See also DUSTS, FUMES, MISTS, VAPORS & GASES, per GISO
Combustible Dust GISO, §5174
Control of, General GISO, §5145
Cotton dust  See COTTON DUST
Harmful exposure GISO, Article 107
Control of GISO, §5141
HVAC Systems GISO, §5142
Mechanical ventilation Systems GISO, §5143
  Respiratory Protection    GISO, §5144
  Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
  Woodworking, dust collection systems GISO, §4324
DUSTS, FUMES, MISTS, VAPORS & GASES, per GISO GISO, Article 107
Application / Purpose GISO, §5139
Definitions  GISO, §5140
Abrasive Blasting Operations, Protective Equipment
Ventilation & Personal Protection GISO, §5151
Abrasives, Organic  GISO, §5151(c)
Enclosures, Blast-Cleaning GISO, §5151(a)
Personal Protective Equipment  GISO, §5151(b)
Administrative Controls of harmful exposure  GISO, §5141
Airborne Contaminants GISO, §5155, & Appx A
Application / Scope GISO, §5155(a)
Definitions GISO, §5155(b)
Ceiling Limits GISO, §5155(c)(3)
Exposure Computations GISO, §5155, Appx A
Exposure Limits GISO, §5155(c)
Permissible Exposure Limits GISO, §5155(c)(1)
Short Term Limits GISO, §5155(c)(2)
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Medical Surveillance GISO, §5155(f)
Monitoring, Workplace GISO, §5155(e)
Permissible Exposure Limits GISO, §5155(c)(1)
For Chemical Contaminants, Listed GISO, §5155, Appx A, Table AC-1 & Foot Notes
Skin Absorption, Protection Against GISO, §5155(d)
Biological Safety Cabinets
Ventilation Requirements GISO, §5154.2
Application / Scope GISO, §5154.2(a)
Definitions GISO, §5154.2(b)
Air Flow Measurements GISO, §5154.2(f)
Appendices GISO, §5154.2(h)
HEPA Filter Aerosol Test Protocol GISO, §5154.2, Appx A
HEPA Filter Leak Testing GISO, §5154.2(f)
Implementation GISO, §5154.2(i)
Negative Pressure Requirements GISO, §5154.2(e)
Operation Requirements GISO, §5154.2(d)
Special Requirements GISO, §5154.2(g)
Start Up & Shut Down Procedure  GISO, §5154.2, Appx B
Use Requirements GISO, §5154.2(c)
Ventilation Rates GISO, §5154.2(e)
Buffing Operations, Protective Equipment See Grinding, Polishing & Buffing Operations under this heading
Building Ventilation, Mechanical Heating & Cooling GISO, §5142
System Requirements GISO, §5143
Chemicals Contaminants, Exposure Limits  GISO, §5155, Appx A
Chemicals, Harmful, Suppress & Allay  GISO, §5145
Combustible Dust GISO, §5174
Control of Harmful Exposure to Employees GISO, §5141
Dipping / Immersion Tanks, Open-Surface 
Ventilation & Personal Protective Equipment GISO, §5154
Application GISO, §5154(a)
Classification of Tanks GISO, §5154(b)
Hazard Determination GISO, §5154, Table V-7
Vapor & Gas Evolution Rate  GISO, §5154, Table V-8
Cleaning Equipment, Spray GISO, §5154(i)
Control Methods, Other GISO, §5154(g)
Control Requirements GISO, §5154(c)
Velocity, Control GISO, §5154, Table V-9
Degreasing Equipment, Vapor GISO, §5154(h)
Degreasing Equipment, Spray GISO, §5154(i)
Hood Classification GISO, §5154(d)
Push-Pull System Requirements GISO, §5154(f)
Personal Protective Equipment  GISO, §5154(j)
Ventilation Rate GISO, §5154(e)
Dust Suppression GISO, §5145
Emergency Eye wash & Shower Equipment See also EYEWASH GISO, §5162
Engineering Controls, to Prevent harmful Exposure  GISO, §5141
Grinding, Polishing & Buffing Operations
Ventilation & Personal Protective Equipment GISO, §5152
Branch Duct Performance Requirements GISO, §5152(b)
Buffing Operation GISO, §5152(d)
Exhaust Volume GISO, §5152, Tables V-1 through V-5
Hood or Enclosure Requirement GISO, §5152(a)
Hood Performance Requirements GISO, §5152(b)
Hood Design GISO, §5152(c)
Hoods, Illustrations GISO, §5152, Figures V-1 through V-8
Portable Grinder & Polishers GISO, §5152(d)
HVAC, Building Ventilation GISO, §5142
System Requirements GISO, §5143
Indoor Air Quality, HVAC Systems GISO, §5142
Harmful Exposure, Control GISO, §5141
Hazard communication program    See HAZARD COMMUNICATION PROGRAM
HVAC Systems, Minimum Ventilation Requirements GISO, §5142
Internal Combustion Engine, Emission Control GISO, §5146
Laboratory-Type Hoods Operations GISO, §5154.1
Ventilation Requirements GISO, §5154.1
Application / Scope GISO, §5154.1(a)
Definitions GISO, §5154.1(b)
Operation Requirements GISO, §5154.1(d)
Operator Qualifications GISO, §5154.1(f)
Special Requirements GISO, §5154.1(e)
Ventilation Rates GISO, §5154.1(c)
  Mechanical ventilation systems  GISO, §5143
Media for Allaying Hazards GISO, §5145
Oil to suppress Hazard  GISO, §5145
Open Vats & Tanks, including Dipping & Coating Operations
Ventilation & Allaying Media, used to Control Hazards GISO, §5154
Oxygen Deficiency  GISO, §5149
Polishing Operations, Protective Equipment    See Grinding, Polishing & Buffing Operations under this Heading
Respirators, Respiratory Protection  GISO, §5144
Definitions GISO, §5144(b)
Air, Quality & Use Breathing Air GISO, §5144(i)
Abrasive blasting  GISO, §5151
Buffing Operations GISO, §5152
Canisters, Filters & Cartridges Identification GISO, §5144(j)
Cartridges, Filters & Canisters, Identification GISO, §5144(j)
Cleaning & Disinfecting of Respirators GISO, §5144(h)(1)
Respirator Cleaning Procedure GISO, §5144, Appx B-2
Employee Information Requirement GISO, §5144, Appx D
Evaluation of Respiratory Protection Program GISO, §5144(l)
Filters, Cartridges & Canisters, Identification GISO, §5144(j)
Fit Testing GISO, §5144(f)
Fit Testing Procedure GISO, §5144, Appx A
Grinding Operations GISO, §5152
Inspection of Respirators GISO, §5144(h)(3)
Instructions & Training, Employee  GISO, §5144, Appx D
Medical Evaluation GISO, §5144(e)
Medical Evaluation Questionnaire GISO, §5144, Appx C
Maintenance & Care of Respirators GISO, §5144(h)
Open-surface tank operations  GISO, §5154
Oxygen deficient environments  GISO, §5149
Polishing Operations GISO, §5152
Protection Factors, Assigned GISO, §5144, Table 1
Record keeping  GISO, §5144(m)
Repair of Respirators GISO, §5144(h)(4)
Permissible Practice GISO, §5144(a)
Respiratory Protection Program Requirements GISO, §5144(c)
Evaluation of Program GISO, §5144(g)
Respirator Cleaning Procedure GISO, §5144, Appx B-2
Respirator Selection GISO, §5144(d)
Seal Check Procedure GISO, §5144, Appx B-1
Spray coating operations  GISO, §5153
Storage of Respirators GISO, §5144(h)(2)
Training & Information GISO, §5144(k)
Use of Respirators, Procedure GISO, §5144(g)
Welding cutting and brazing  GISO, §5150
Smoking, Prohibition in the Workplace GISO, §5148
Spray Coating Operations
Ventilation & Personal Protective Equipment GISO, §5153
Spray Booth / Room, In GISO, §5153(a)
Spray Operation Requirements GISO, §5153(b)
Exhaust Air GISO, §5153(c)
Make-up Air GISO, §5153(c)
Dilution of Flammable Vapors GISO, §5153(d)
Ventilation Rate GISO, §5153(e)
Downdraft Booths GISO, §5153(f)
Respiratory Protection GISO, §5153(g)
Suppression of Dusts, Fumes, Mists, Vapors & Gases GISO, §5145 
Tuberculosis, Respiratory Protection from GISO, §5147
Ventilation, Minimum Building Ventilation  GISO, §5142
System Requirements GISO, §5143 
Spray Booth / Room, In GISO, §5153(a)
Spray Operation Requirements GISO, §5153(b)
Exhaust Air GISO, §5153(c)
Make-up Air GISO, §5153(c)
Dilution of Flammable Vapors GISO, §5153(d)
Ventilation Rate GISO, §5153(e)
Downdraft Booths GISO, §5153(f)
Respiratory Protection GISO, §5153(g)
Water to suppress Dust GISO, §5145 
Welding, Brazing & Cutting, Protective Equipment
Ventilation & Personal Protection GISO, §5150
Chlorinated Hydrocarbons GISO, §5150(e)
Improper Use of Welding Gases GISO, §5150(d)
Labeling, Precautionary GISO, §5150(f)
Mechanical Ventilation, Indoors GISO, §5150(a)
Toxic Substances Used in Enclosed Spaces GISO, §5150(b)
Toxic Substances Used in Open Air GISO, §5150(c)
DUST COLLECTION SYSTEMS, Woodworking GISO, §4324
DUST, Combustible  GISO, §5174
DYE JIGS GISO, §4471
DYFONATE, Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
DYNAMITE See EXPLOSIVES 
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