S List of Acronyms
SAFEGUARDS See Also GUARDING
Employer’s Responsibility to Provide Safety Devices & Safeguards ESO-HV, §2940
SAFE HITCHES & KNOTS, Illustrations CSO, §1938, Appx B, Plate B-25a
SAFE MACHINERY & EQUIPMENT     GISO, §3328(a)
SAFE OPERATING CONDITIONS, Machinery    GISO, §3328(g)
SAFE PRACTICES, Code of  CSO, §1509
Suggested Code CSO, §1938, Appx A-3
SAFE PRACTICES & OPERATIONS Code, per TSO TSO, §8568, Appx A
Safety in Employment, Labor Code Excerpts, per TSO TSO, §8568, Appx B 
SAFE WORK CONDITIONS, Employer’s responsibility ESO-HV, §2940(b)
SAFE WORK PROCEDURES, Electrical ESO-LV, Article 3
Back-feeding or Interconnection ESO-LV, §2320.9
Conditions, Required ESO-LV, §2320.2
De-energized Equipment ESO-LV, §2320.4
Considered Energized until Tested ESO-LV, §2320.3
Energized Equipment or Systems ESO-LV, §2320.2
Considered Energized until Tested ESO-LV, §2320.3 
Fall Protection ESO-LV, §2320.8
Qualified Person Requirement ESO-LV, §2320.1
Safety Precautions ESO-LV, §2320.7
Testing, De-energized Equipment ESO-LV, §2320.3
SAFE WORK PROCEDURES, Tree Work GISO, §3427
SAFE WORKSITE, Requirement, per MSO MSO, §6973(a), (b)
SAFETY BELTS
Use of, per CSO CSO, §1670(b)
Prohibition for Fall Arrest Systems CSO, §1670(a)
Roofing  CSO, §1724
Use of, per GISO
Amusement rides GISO, §3907(c)
Forklift, Industrial Truck  GISO, §3657(b)
Order/Stock Pickers GISO, §3656(e)
Loose material, Bulk Storage  GISO, §3482(d)
Vats, Pans & Tanks, Working over Hazardous Substances GISO, §3480(c)(1)
Window cleaning  GISO, §3284(a), (b)
Use of, per MSO MSO, §6981
Type, Approval by Cal/OSHA  MSO, §6981(f)
Use of, per PSO-D&P  
Derricks and masts, Work on  PSO-D&P, §6580
SAFETY BULLETIN BOARDS, per MSO MSO, §6962
SAFETY BULLETIN BOARDS, per TSO TSO, §8409
SAFETY CANS, Containers, For Flammable Liquids    CSO, §1936(a)
SAFETY CAPS, Protective Rebar Covers See REINFORCING STEEL
Approved CSO, §1712(d)
SAFETY CAPS, Pole climbers TelSO, §8607(a)
SAFETY CAPS, Safety Hats MSO, §6980(c)
SAFETY COMMITTEE GISO, §3203(c)
SAFETY COMMITTEE MSO, §6964
SAFETY CONFERENCE, Pre-job, per TSO  TSO, §8408
SAFETY DATA SHEETS, MSDS     GISO, §5194(g)
Accuracy of Information on GISO, §5194(g)(5)
Definition of GISO, §5194(c)
Development, or Obtain  GISO, §5194(g)(1)
Language Requirement  GISO, §5194(g)(2)
Provide, Requirement to GISO, §5194(g)(6)
SAFETY DEVICES
Flotation Devices, General  GISO, §3389
Floating Cranes/Derrick operations, During GISO, §4944
Construction over/near water 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) 
Life Jackets  See LIFE PRESERVERS
Life Lines & Safety Belts, per MSO MSO, §6981
Damaged Life Lines MSO, §6981(b)
Inspection of Life Lines MSO, §6981(d)
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)
Life Preservers, per GISO GISO, §3389
Life Preservers, Control of Drowning Hazard 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) 
Life Preservers, per MSO MSO, §6980(a)
Lifesaving Boats, Work Over or Near Water CSO, §1602
Life Rings, per GISO GISO, §3389
Personal Protective Devices, per CSO CSO, §1514
      See also under specific Substance, Process or Activity listed in this index
Defined CSO, §1504
Asbestos removal,  See under ASBESTOS, per CSO
Body Protection CSO, §1522
Cadmium-related work See under CADMIUM, per CSO
Ear Protection CSO, §1521
Employer’s Responsibility to Provide Safety Devices & Safeguards CSO, §2940
Eye & Face Protection CSO, §1516
Foot Protection CSO, §1517
Head Protection CSO, §1515
Interchange among Employees Prohibited CSO, §1519
Protection from Electric Shock CSO, §1518
Respiratory Protection, Reference to GISO, §5144 CSO, §1531
Sanitation of CSO, §1519
            CSO, §1938, Appx B, Plate B-1
Personal Protective Equipment, Fire Fighters  GISO, Article 10.1
Application  GISO, §3401
Definitions  GISO, §3402
Body Protection GISO, §3406
Ear & Neck Protection  GISO, §3405
Eye Protection GISO, §3404
Face Protection GISO, §3404
Foot Protection GISO, §3408
Hand & Wrist Protection GISO, §3407
Head Protection GISO, §3403
Neck Protection GISO, §3405
Private Fire Brigades GISO, §3411
Respiratory Protection GISO, §3409
Wildland Fire Fighting Requirements GISO, §3410
Wrist Protection GISO, §3407
Personal Protective Equipment, per GISO GISO, Article 10
  See also under specific Substance, Process or Activity listed in this index
Application / General Requirements GISO, §3380
Body Protection GISO, §3383
Cleaning / Sanitation of Protective Devices GISO, §3387
Electrical Shock, Protection From GISO, §3390
Entanglement, Hand Protection GISO, §3384, Note 1
Eye & Face Protection GISO, §3382
Face Protection GISO, §3382
First Aid GISO, §3400
Foot Protect  GISO, §3385
Hand Protection GISO, §3384
Head Protection GISO, §3381
Heat Illness Prevention, Outdoor GISO, §3395
Jewelry, Watches, Rings, Wearing around Machinery, Prohibition GISO, §3384, Note 2
Life Jackets GISO, §3389
Life Rings GISO, §3389
Medical Services & First Aid GISO, §3400
Personal Floatation Devices & Life Rings GISO, §3389
Personal Protective Devices GISO, §3380
Personal Protective Equipment, per MSO MSO, Article 10
Eye, Face Protection MSO, §6980(f)
Eye, Face Protection, Use of Grinding Wheel MSO, §6980(g)
Eye, Face Protection, Use of Welder or Molten Metal  MSO, §6980(h)
Foot wear, Safety MSO, §6980(d), (e)
Hard Hats  MSO, §6980(b)
Life Jackets, Drowning Hazard MSO, §6980(a)
Personal Protective Equipment MSO, §6980(a)
Safety Caps, Safety Hats MSO, §6980(c)
Personal Protective Equipment, per  PSO-D&P PSO-D&P, §6513
Personal Protective Equipment, per TelSO
Body Belts, Lineman’s TelSO, §8605(c) 
Employee Protection in Public Areas TelSO, §8604
Eye Protection TelSO, §8617
Fiber Optics  TelSO, §8617(b)
Lead Work  TelSO, §8609(c)
Microwave  TelSO, §8617(a)
Inspected of PPE, each Day before Use TelSO, §8605(a) 
Lanyards & Safety Straps, Lineman’s TelSO, §8605(c) 
Lead Work  TelSO, §8609(d)
Eye Protection TelSO, §8609(e)
Wiping Operations  TelSO, §8609(e)
Wiping Gloves TelSO, §8609(e)
Cloths TelSO, §8609(c)
Qualified Person, Inspection of PPE by TelSO, §8605(a) 
Provided By Employer TelSO, §8605(a) 
Rollover Protection TelSO, §8610(c)
Rubber Insulated Equipment TelSO, §8606
Use Required TelSO, §8605(a) 
Personal Protective Equipment, per TSO TSO, §8414
Body Protection  TSO, §8414(f)
Ear Protection  TSO, §8414(g)
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(g)
Respirator Protection  TSO, §8414(i)
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)
SAFETY INSPECTION, Pre-work MSO, §6973(d)
SAFETY CHECK, Jobsite Vehicles CSO, §1597(j)
SAFETY HOOK, Type Required, Overhead Loads    GISO, §5002
SAFETY INSTRUCTIONS, for Employees See SAFETY TRAINING
SAFETY LATCH, Crane Hook, Overhead Loads    GISO, §5002
SAFETY LINES 
Construction Operations, Fall Protection Requirement CSO, §1670(b)
Removal from Service, Exposed to In-Service loading CSO, §1670(h)
Oil Well Derricks, Masts, Operations on PSO-D&P, §6580(a)
Specifications of PSO-D&P, §6605
Tower Cranes GISO, §4965(g)
SAFETY NETS CSO, §1671
When Fall Protection is Impractical GISO, §1669(b)
SAFETY ORDERS See also GENERAL INDUSTRY SAFETY ORDERS
Aerial passenger tramways See AERIAL PASSENGER TRAMWAYS
Agricultural Operations See AGRICULTURAL SAFETY ORDERS
Air tanks See AIR TANKS
Amusement rides See AMUSEMENT RIDES
Boilers  See BOILER & FIRED PRESSURE VESSEL SAFETY ORDERS
Compressed air See COMPRESSED AIR WORKSITES
Construction  See CONSTRUCTION SAFETY ORDERS
Dumbwaiters See ELEVATOR
Electrical installations and equipment  See ELECTRICAL SAFETY ORDERS
Elevators  See ELEVATORS
Escalators See ELEVATORS
Explosives See EXPLOSIVES
Fired pressure vessels  See BOILER & FIRED PRESSURE VESSEL SAFETY ORDERS
Gantry trucks See CRANES & Hoisting Equipment, All except Boom-Type Mobile Cranes
Hoists See HOISTS
Industrial plants See PLANTS
Industrial trucks See INDUSTRIAL TRUCKS & Under FORKLIFTS
Liquefied natural gas See LIQUEFIED NATURAL GAS
Liquefied petroleum gas See LIQUEFIED PETROLEUM GAS
Logging See LOGGING OPERATIONS and SAWMILL OPERATIONS
Machinery See MACHINERY & Under EQUIPMENT
Marine terminal operations See MARINE TERMINAL OPERATIONS 
Mines and mining See MINING OPERATIONS
Moving walks See ELEVATORS 
Oil and gas See OIL AND GAS & under PETROLEUM SAFETY ORDERS
Outdoor advertising structures  See ADVERTIZING STRUCTURES / SIGNS, Outdoor
Paper and paperboard mills See PAPER & PAPERBOARD MILLS
Passenger Tramways See PASSENGER TRAMWAYS
Permanent Amusement rides See PERMANENT AMUSEMENT RIDES
Pressure vessels
Fired pressure vessels  See FIRED PRESSURE VESSELS
Unfired pressure vessels  See UNFIRED PRESSURE VESSELS 
Pressurized worksites  See PRESSURIZED WORKSITES 
Pulp mills See PULP MILLS
Railroads See RAILROADS
Refineries See REFINERIES & PETROLEUM SAFETY ORDERS
Roofing See ROOFING
Sawmills See SAWMILL OPERATIONS
Shipyards See SHIP BUILDING, REPAIRING & BREAKING  OPERATIONS
Telecommunications See TELECOMMUNICATION SAFETY ORDERS
Tools See TOOLS
Tunnels and tunneling See TUNNELING OPERATIONS
Window cleaning See WINDOW CLEANING
SAFETY PRACTICES, Miscellaneous, per PSO-R,T&H  PSO-R,T&H, Article 25
Boilers, Entering of PSO-R,T&H, §6893
Combustion Chambers, Entering of PSO-R,T&H, §6893
Flarebacks pursuant to §3311, GISO PSO-R,T&H, §6892
Flues, Entering of  PSO-R,T&H, §6893
Unfired Steam Boilers, Entering of PSO-R,T&H, §6893
Working Area  PSO-R,T&H, §6894+H26301
SAFETY PRECAUTIONS, per CSO  CSO, §1511
SAFETY PRECAUTIONS, per ESO ESO-LV, §2320.3
SAFETY PRECAUTIONS, per MSO  MSO, Article 6
Checklist, Mine Entry MSO, §6974
General Safety Precautions MSO, §6973
Intoxication Prohibited MSO, §6973(c)
Pre-work Safety Inspection MSO, §6973(d)
Safe Worksite, Requirement MSO, §6973(a), (b)
SAFETY PRECAUTIONS, per TSO TSO, §8568, Article 4
Access & Egress, Safe Means of TSO, §8411  
General Safety Precautions TSO, §8410
Safety Training & Instruction TSO, §8407
SAFETY PRECAUTIONS & PROVISIONS, per PSO-D&P    PSO-D&P, §6655
SAFETY PROFESSIONAL, CERTIFIED  (CSP)
Definition per CSO GISO, §1504
Definition per GISO GISO, §3207
Confined Space, Testing Atmosphere  GISO, §5157, Appx B (1)
Hazardous Waste Operations/Emergencies, OSH Program Development & Implementation GISO, §5192, Appx C
Tunneling Operations, Safety Representative, DOSH Application TSO, §8406(g)(2)(B)
SAFETY PROGRAM, for Contractors, per CSO  CSO, §1938, Appx A
SAFETY PROGRAM, Injury & Illness Prevention Program GISO, §3203
Communications, Understandable  GISO, §3203(a)(3)   
Compliance, A System of GISO, §3203(a)(2)   
Correcting / Remediating Hazard Conditions GISO, §3203(a)(6)   
Inspections to Identify Work Place Hazards GISO, §3203(a)(4)  
Investigation of Accidents / Incidents GISO, §3203(a)(5)   
Record Keeping Requirements GISO, §3203(b)   
Regarding Inspections Pursuant to §3203(a)(4) GISO, §3203(a)(6)   
Regarding Training Pursuant to §3203(a)(7) GISO, §3203(a)(6)   
Responsible Person, Identified   GISO, §3203(a)(1)   
Safety Committees GISO, §3203(c)   
Training / Instructions GISO, §3203(a)(7)   
Understandable Communications  GISO, §3203(a)(3)   
Work Place Hazards, Identifying GISO, §3203(a)(4)  
Written Program Requirement GISO, §3203(a)
SAFETY REPRESENTATIVES, Certification of MSO, §6967
SAFETY SHOES   GISO, §3385
SAFETY SWITCHES, Constant Pressure Switch, A.K.A. Momentary Contact Device   
Portable Power Drives, Post Hole Digger, Pipe Threader /Cutter GISO, §4086
Portable Tools GISO, §3557(a), (b)
SAFETY SURVEY, by Employer Prior to Employee Presence CSO, §1511(b)
SAFETY TRAINING, Amusement Rides, Permanent, Safety, per PARSO 
Maintenance & Inspections, Employees Performing PARSO, §3195.6
Operation Procedures, Employees Performing PARSO, §3195.7
SAFETY TRAINING, General Safety Training, per CSO  CSO, §1510 
Emergency Medical Service Workers CSO, §1512
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) 
SAFETY TRAINING, per ESO CSO, §1510 
Regarding Inspecting, Testing of Safety devices, tools, & equipment ESO-HV, §2940(b)
Qualified Person ESO-HV, §2940(c)
SAFETY TRAINING, per GISO  GISO, §3203(a)(7)   
Acetylene Generator System Operator GISO, §4799
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)
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  GISO, §3400(b)
Agricultural Operations GISO, §3439(b)
Forklift, General Training Requirements GISO, §3668
Certification of Training GISO, §3668(c)
Duplicative Training, Avoidance of GISO, §3668(f)
Evaluation of Competency GISO, §3668(a), (d)
Operating Rules when Elevating Employees, Instructions of GISO, §3657(d)
Operating of Trucks by Trainee GISO, §3668(b)
Training Program Content GISO, §3668(c)
Refresher Training & Evaluation GISO, §3668()
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 (MC) 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
Heat Illness Prevention GISO, §3395(e)
Industrial Tractors GISO, §3664
Laboratory, Exposure to Hazardous Chemicals GISO, §5191(f)
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
Powered Platforms, Building Maintenance GISO, §3298(a)
Power Operated Press    GISO, §4203(b)
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)
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
SAFETY TRAINING, 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)
SAFETY TRAINING, Passenger Tramway Safety, per PTSO
Program Requirements PTSO, §3155
Submittal to Cal/OSHA PTSO, §3155(b)
SAFETY TRAINING, Ship Building, Repairing & Breaking, per SSO  SSO, §8397.13
Asbestos SSO, §8358(k)(9)
Chromium (VI) SSO, §8359(j)(2)
SAFETY TRAINING, 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)
SAFETY TRAINING, & Instruction, per TSO  TSO, §8407
First aid TSO, §8421
SAFETY VEST, HIGH VISIBILITY SAFETY APPAREL
Excavations, Employees exposed to Vehicle Traffic CSO, §1541(d)
Flaggers CSO, §1599(d), (e), (f)
Traffic Control   CSO, §1598(c), (d), (e)
Employees exposed to Vehicle Traffic CSO, §1590(a)(5)
SALT BATHS, MOLTEN    GISO, §5188
SALVAGE, Pressure Vessels     GISO, §3306
SAND, Gravel & Similar Material, Excavations of MSO, §6985
SAND BLASTING, Abrasive Blasting 
Automatic systems required for Organic Abrasives GISO, §5151(c)
Enclosures, Blast-Cleaning GISO, §5151(a)
Nozzle, Manual Valve GISO, §3301(d)
Nozzle Support, when unused GISO, §3301(d)
Organic Abrasives, combustible GISO, §5151(c)
Personal Protective Equipment GISO, §3301(c)
                                                   GISO, §5151(b)
Protective Equipment
Ventilation & Personal Protection GISO, §5151
Abrasives, Organic  GISO, §5151(c)
Enclosures, Blast-Cleaning GISO, §5151(a)
Personal Protective Equipment  GISO, §5151(b)
Respiratory Protection GISO, §5151(b)
SANDERS, Woodworking
Belt Sanders (Class B) GISO, §4312
Disc Sanders  GISO, §4313
Drum Sander  GISO, §4314
Elbow Sanders  GISO, §4315
Electrical Grounding of, Cord- & Plug-connected  ESO-LV, §2395.45(A)
SANDERS, Veneer and plywood Plants LSSO, §6387
SANITARY, Work Space GISO, §3362(a)
SANITATION, of Personal Safety Devices CSO, §1938, Appx B, Plate B-1
                                             CSO, §1519
SANITATION, FIELD, Agricultural Operations GISO, §3457  
Maintenance   GISO, §3457(c)(3)
Potable / Drinking Water  GISO, §3457(c)(1)
Reasonable use GISO, §3457(c)(1)
Reports GISO, §3457(c)(1)
Toilet facilities GISO, §3457(c)(2)
Washing Facilities GISO, §3457(c)(2)
SANITATION REQUIREMENTS GISO, Article 9
Application & Scope  GISO, §3360
Definitions GISO, §3361
Change Rooms GISO, §3367
Food & Beverage, Consumption of GISO, §3368
General Requirements GISO, §3362
Cleaning Requirements  GISO, §3362(a), (b)
Tripping Hazards GISO, §3362(c)
Sanitary Facilities GISO, §3364
Toilet Rooms / Compartments GISO, §3365
Toilets, Number of GISO, §3364
Washing Facilities GISO, §3366
Water Supply GISO, §3363
SANITATION REQUIREMENTS, per MSO  MSO, §6978
SANITATION REQUIREMENTS, per SSO SSO, §8397.4
Accessible Sanitary Facility SSO, §8397.4(a)(1)
Age, Minimum Age of Employees SSO, §8397.4(j)
Break, Eating & Drinking Areas  SSO, §8397.4(h)
Changing Rooms SSO, §8397.4(g)
Control of Contaminants, Waste, Drainage SSO, §8397.4(i)
Drinking Water (Potable) SSO, §8397.4(b)
Eating, Drinking & Break Areas SSO, §8397.4(h)
Employee Minimum Age SSO, §8397.4(j)
Fire Fighting, Non-Potable Water, Use of SSO, §8397.4(c)
Hand Washing Facilities SSO, §8397.4(e)
Maintaining, Servicing & Supplying of the Sanitary Facility SSO, §8397.4(a)(2)
Non-Potable Water, Use of SSO, §8397.4(c)
Potable Water provided per GISO, §3363 SSO, §8397.4(b)
Shower Facilities SSO, §8397.4(f)
Toilets Requirements SSO, §8397.4(d)
Wash Facilities SSO, §8397.4(a)
Waste Disposal SSO, §8397.4(i)
Water
Drinking Water (Potable) SSO, §8397.4(b)
Non-Potable SSO, §8397.4(c)
Work near Waste, Garbage, Contamination Prohibited SSO, §8397.4(i)(2) & (3)
SANTOBRITE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SAR (Supplied Air Respirator), Definition GISO, §5144(b)
Air Quality GISO, §5144(i)
Selection of GISO, §5144(d)(2)
Use of GISO, §5144(i)
SARIN
Process safely management  GISO, §5189, Appx A 
SAWHORSE, Used as Scaffolds, Work Platform Supports CSO, §1647
        Illustration CSO, §1938, Appx B, Plate B-41
SAWMILL OPERATIONS   LSSO, Article 15
Band Saw  LSSO, §6349
Band Saw Wheels LSSO, §6350
Barkers LSSO, §6346
Carriages LSSO, §6348
Chip Bins LSSO, §6368
Circular Head Saw LSSO, §6352
Circular Saw Cracks, Inspection For LSSO, §6356
Conveyors, Sawmill LSSO, §6365
Log Conveyors LSSO, §6344
Decks LSSO, §6345
Deck saws, at Sawmills LSSO, §6345(a), (b)
Dry Kilns LSSO, §6367
Edgers LSSO, §6358
Fuel Houses, Chip Bins & Hoppers LSSO, §6368
Gang Saw  LSSO, §6362
Guarding Head Rigs LSSO, §6353
Hog Mills LSSO, §6363 
Hoppers LSSO, §6368
Live Rolls & Roll Cases LSSO, §6357
Log Hauls LSSO, §6344
Plywood Plants See PLANT, Veneer & Plywood Plants
Saws
Guarding Head Saws LSSO, §6351
Jump Saws LSSO, §6359 
Overhead Swing Saws LSSO, §6359
Sawyer LSSO, §6347
Slasher Saws LSSO, §6360 
Underhung Swing Saws LSSO, §6359
Shingle, Lath & Shake Milling Equipment 
Bolter & Equalizer Saws LSSO, §6397
Bolters & Lath Machine LSSO, §6402
Circular Shake Saws LSSO, §6400
Equalizer Saws LSSO, §6397
Hansen Saws  LSSO, §6396
Knee Bolter Saws LSSO, §6398
Lath & Shingle Mill Layout LSSO, §6401
Shingle Jointer  LSSO, §6399
Shingle Saws  LSSO, §6395
Stationary Tramways & Trestles LSSO, §6366
Tractors, Logging & Sawmill Operations See TRACTORS, Logging & Sawmill Operations
Trestles, Stationary LSSO, §6366
Trim Saws, Underhung & Trimmer LSSO, §6361
Veneer & Plywood Plants See PLANT, Veneer & Plywood Plants
Wood Chipper LSSO, §6364
SAWS, Chainsaws  GISO, §6283
Tree Work, Maintenance & Removal  GISO, §3425(a)
  See also LOGGING OPERATIONS
Refueling of GISO, §3421(i)
SAWS, Circular, Metal Cutting See under METAL WORKING MACHINES
SAWS, Gin GISO, §4640
SAW SPEED
Circular Saws & Knifes GISO, §4322
Band Saws & Knifes GISO, §4310(c)
SAWS, Vegetable Trimming   GISO, §3447
SAWS, Wood Cutting See also under WOODWORKING MACHINES
Band Knives GISO, §4310
Band Saws GISO, §4310
California Chop Saw s  GISO, §4304
Circular Knives (Class B) GISO, §4302
Circular Ripsaws, Manual Feed (Class B) GISO, §4300
Circular Ripsaws, Self Feeding (Class B) GISO, §4301
Circular Saw Blades & Knives, Speed of  GISO, §4322
Circular Saws, Portable, Hand Saws GISO, §4307
Cordwood Saws & Similar (Class B) GISO, §4303
Cracked Saws GISO, §4321
Crosscut Saws (Class B) GISO, §4302
Cut-Off Saws
Box Shook Cut-Off Saws GISO, §4304
California Cut-off Saws GISO, §4304
Inverted Swing Cut-Off Saws GISO, §4306
Swing Cut-Off Saws  GISO, §4305
Dado Blade Prohibition GISO, §4323
Drunken Saw Prohibition GISO, §4323
Grounding, Electrical, Cord- & Plug-connected  ESO-LV, §2395.45(A)
Horizontal Pull Saws GISO, §4309
Jump Saws GISO, §4306
Miter Saws GISO, §4307.1
Pull Saws, Horizontal GISO, §4309
Radial Arm Saws GISO, §4309
Table Saws, Manual Feed (Class B) GISO, §4300.1
Underslung Saws GISO, §4306
Wobble Saws, Wobble Dado Prohibition GISO, §4323
SCAFFOLDING, per ESO
Power Poles, Clearance    ESO-HV, §2946(b)(2)
SCAFFOLDING, per CSO 
Boatswain Chairs  CSO, §1662
Bracket Scaffold, Metal, Illustration CSO, §1938, Appx B, Plate B-21
Bracket Scaffold, Wooden, Illustration CSO, §1938, Appx B, Plate B-20
Bracket Scaffolds  CSO, §1645 
Bricklayers’ Square Scaffolds      CSO, §1663
Illustration CSO, §1938, Appx B, Plate B-32
Cross- Bracing, Mid-Rail or Top Rail Substitute CSO, §1644(a)(6)
Dismantling of  CSO, §1637(k)
Engineering Practice, in accordance with good CSO, §1637(k)(2)
Erection of  CSO, §1637(k)
Figure “4” Scaffold, Illustration CSO, §1938, Appx B, Plate B-21
Float Scaffolds      CSO, §1663
General Scaffolding Requirements  CSO, §1637
Heavy - Trade Pole Type Scaffold, Illustration CSO, §1938, Appx B, Plate B-19
Horse Scaffolds  CSO, §1647
        Illustration CSO, §1938, Appx B, Plate B-41
Intended Working Load, Not to Exceed CSO, §1637(b)(3)
Posting of Intended Working Load at Jobsite CSO, §1637(b)(6)
Ladder-Jack Scaffolds  CSO, §1648
         Illustration CSO, §1938, Appx B, Plate B-34
Light-Trade Pole Type Scaffold, Illustration CSO, §1938, Appx B, Plate B-18
Light-Duty Wooden Pole Scaffolds CSO, §1640 
Load, Intended Working Load, Not to Exceed CSO, §1637(b)(3)
Posting of Intended Working Load at Jobsite CSO, §1637(b)(6)
Metal Scaffolds  CSO, §1644
Mid-Rail or Top Rail Substitute, X Bracing CSO, §1644(a)(6)
Needle-Beam Scaffold  CSO, §1664
Outrigger Beam, Suspended Scaffolds, Illustration CSO, §1938, Appx B, Plate B-24
Outrigger & Bracket Scaffolds  CSO, §1645
Outrigger Scaffold, Mason’s, Illustration CSO, §1938, Appx B, Plate B-27
Periphery Railings on buildings CSO, §1636
Prohibited types CSO, §1637(j)
Lean-to Scaffolds, Illustration CSO, §1938, Appx B, Plate B-40
Nailed Bracket Scaffolds, Illustration CSO, §1938, Appx B, Plate B-40
Shore Scaffolds, Illustration CSO, §1938, Appx B, Plate B-40
Pump Jack Scaffolds      CSO, §1724
        Illustration CSO, §1938, Appx B, Plate B-33
Rolling Scaffolds CSO, §1646 
Riding on Rolling Scaffolds CSO, §1646(i), (j) 
Staging, Wire-Rope supported  CSO, §1666
Suspended Scaffolds  CSO, Article 23
Acceptable Scaffolds, Illustration CSO, §1938, Appx B, Plate B-26
Boatswain Chairs  CSO, §1662
Bricklayers / Masons     CSO, §1659
Float Scaffolds      CSO, §1663
        Illustration CSO, §1938, Appx B, Plate B-38
General requirements      CSO, §1658
Interior Hung Scaffolds CSO, §1665
Loads of 425 Lbs or Less  CSO, §1660
Loads between 425 & 1000 Lbs CSO, §1661
Masons’ Scaffold, Illustration of CSO, §1938, Appx B, Plate B-29
Multi-Level, Illustration CSO, §1938, Appx B, Plate B-42
Needle-Beam Scaffold  CSO, §1664
        Illustration CSO, §1938, Appx B, Plate B-37
Outrigger Beam, Illustration CSO, §1938, Appx B, Plate B-24
Power-Driven      CSO, §1667 
Prohibited Scaffolds, Illustration CSO, §1938, Appx B, Plate B-40
Staging, Wire-Rope supported  CSO, §1666
Railing, Support, Illustration CSO, §1938, Appx B, Plate B-28
Stone Setters’ Multi Stage, Illustration CSO, §1938, Appx B, Plate B-36
Two-Point Suspended Scaffold, Illustration CSO, §1938, Appx B, Plate B-39
Welders’ Platform Cage, Illustration CSO, §1938, Appx B, Plate B-27a
Timber Scaffolds up to 60’ High CSO, §1642
Timber Scaffolds over 60’ High CSO, §1643
Top-Rail or Mid Rail Substitute, X Bracing CSO, §1644(a)(6)
Tower Scaffolds CSO, §1646
Waler Jack, Metal, Illustration CSO, §1938, Appx B, Plate B-21
Window Jack Scaffolds      CSO, §1654
         Illustration CSO, §1938, Appx B, Plate B-35
Wooden Bracket Scaffold, Illustration CSO, §1938, Appx B, Plate B-20
Wooden Pole Scaffolds, Heavy-Trade CSO, §1641
Wooden Pole Scaffolds, Light-Duty  CSO, §1640 
Working Load, Intended, Not to Exceed CSO, §1637(b)(3)
Posting of Intended Working Load at Jobsite CSO, §1637(b)(6)
SCAFFOLDING, Mobile Tower & Mobile Ladder Stands, per GISO GISO, Article 23
Scope GISO, §3620
Definitions GISO, §3621
General Requirements GISO, §3622
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
SCAFFOLDING, per MSO  MSO, §7048
SCAFFOLDING, per SSO SSO, Article 5
Build-up Staging SSO, §8364 
Construction Means SSO, §8362
Erecting & Maintaining SSO, §8370
Floating Staging  SSO, §8368
Gangways & Ladders SSO, §8371
Horse Staging, Interior & Exterior SSO, §8367 
Interior & Scaffolding SSO, §8366
Ladders SSO, §8371
Lumber used for Scaffolding & Staging SSO, §8361
Maintaining SSO, §8370
Ramps, Stairways, Gangways & Ladders SSO, §8371
Scaffolds & Staging, Pursuant to CSO  SSO, §8360
Staging Levels, Intermediate SSO, §8369
Stairways, Ramps, Gangways & Ladders SSO, §8371
Suspended Staging, Exterior, Painters only SSO, §8364
Suspended Staging, Exterior, Other Than Painters SSO, §8365
SCAFFOLDING, Rolling, Window Cleaning GISO, §3288
SCAFFOLDING, Roofing Operations CSO, §1724
Catch Platforms CSO, §1724(c)
Crawling Boards CSO, §1724(b)
Eave Barriers CSO, §1724(e)
High-Lift Material Trucks CSO, §1724(g)
Personal Fall Protection CSO, §1724(f)
Planks CSO, §1724(a)
Platforms CSO, §1724(d)
Ramps & Runways CSO, §1724(h)
SCAFFOLDING, Suitable for Work Performed GISO, §3275
SCAFFOLDING, Suspended, Window Cleaning   GISO, §3285
SCAFFOLD PLANKING
Coating / Painting Scaffold Planking Limits CSO, §1637(v)
Corners, Scaffold Planking at Corners CSO, §1637(v)
Damaged Scaffold Planking CSO, §1637(f)(7)
Deflection Limit CSO, §1637(w)
Design Requirements of Manufactured Planking CSO, §1637(f)(3)
Design Requirements of Solid Wood Planking CSO, §1637(f)(1)
Grading Requirement CSO, §1637(f)(5)
Defective Scaffold Planking CSO, §1637(f)(7)
Extension Planking CSO, §1637(e)
Inspection of Scaffold Planking, Daily CSO, §1637(f)(6)
Labeling of Manufactured Planking CSO, §1637(f)(4)
Labeling of Manufactured Planking CSO, §1637(f)(4)
Lumber, Defined CSO, §1504
Manufactured Planking CSO, §1637(f)
Maximum Load CSO, §1637(w)
Overhang of Planking CSO, §1637(g)
Painting Scaffold Planking Prohibition / Limit CSO, §1637(v)
Roofing Operations CSO, §1724
Slope of Planking, Maximum  CSO, §1637(o)
Span (Maximum), Solid Wood Planking CSO, §1637(f)(2)
Tower & Rolling Scaffolds CSO, §1646(e)
SCAFFOLDS, LAMP & PARALLELS   GISO, §3247
SCBA (Self Contained Breathing Apparatus), Definition GISO, §5144(b)
Air Quality GISO, §5144(i)
Selection of GISO, §5144(d)(2)
Use of GISO, §5144(i)
SCISSOR LIFTS GISO, §3642
                      See also AERIAL DEVICES & ELEVATING WORK PLATFORM 
SCRAPERS See EARTHMOVERS & HAULAGE VEHICLES
SCREENS, WELDING     GISO, §4851(a)
SCREW AUGERS
Cotton Gins, Screw Conveyors GISO, §4647
Drilling Operations MSO, §7005(h)
Mixing Auger, Agricultural Operations GISO, §3440(g)
Pomace Pumps, Wine GISO, §4539
Post Hole Diggers, Controls of GISO, §4086
Screw Conveyors GISO, §3446
Wine Pomace Pumps GISO, §4539
SCREW, Automotive Lifts See GISO, Article 19
Definition GISO, §3541(d) 
Control Mechanism GISO, §3544
Descent Speed GISO, §3549
Design GISO, §3542(a)-(c)
Inspection, Operation, Maintenance GISO, §3542(d)
Marking / Labeling Requirements GISO, §3543 
Working Area, Under Lift GISO, §3547
Supports, Chassis & Axle GISO, §3548
SCREW COLUMN ELEVATORS
Installations before 10-25-98 ElevSO, §3088
Installations on or after 10-25-98 and Before May 1, 2008 ElevSO, §3135
Installations on or after May 1, 2008 ElevSO, §3141
      See also under ELEVATORS 
SCREW CONVEYORS
Food Service, Guarding of GISO, §4533 
All other Applications, Guarding of GISO, §3999
SCUBA DIVING  GISO, §6056
                   See also DIVING OPERATIONS 
Equipment procedures and requirements  GISO, §6057
SEATBELTS
Agriculture tractors  GISO, §3653
Amusement Rides    GISO, §3907(c)
Back-Hoe, Seatbelts  CSO, §1596(a)
Earthmoving Equipment  GISO, §3653
Farm Labor Vehicles GISO, §3702(h)
Forklifts, AKA - Industrial Trucks  GISO, §3653
Use of Required, when Manufacturer Provided GISO, §3650(t)(33)
Haulage Vehicles & Equipment, per CSO  CSO, §1591(h)
Haulage Vehicles, per GISO  GISO, §3653
Industrial Trucks  GISO, §3653
Jobsite Vehicles CSO, §1597(g)
Use of Seatbelts  CSO, §1597(h) 
Lawn Mowers, Power GISO, §3563(c) & (e)(3)
Transport of Employees GISO, §3702(h)
SECURING
Concrete Forms CSO, §1713(a)
Prohibited used of Rebar as guying Concrete Forms  CSO, §1713(c)
Rebar Assemblies CSO, §1712(f)
Equipment, to Minimize Hazard from Breakage/ Loosening/Falling Parts/Components GISO, §3328(e)
Framing CSO, §1713(a)
Prohibited used of Rebar as guying Framing CSO, §1713(c)
Ladders GISO, §3276(e)(7) & (8)
Lanyards, Fall Protection     CSO, §1670(c)
Loads, Transported GISO, §3704
Loads, Forklift/Industrial Truck    GISO, §3650(n) 
Logging Operations, Guy lines and guying requirements
A-Frames, Towers, Masts, Etc.  LSSO, §6305
Anchoring of  LSSO, §6295
Metal Spars  LSSO, §6315
Mobile Yarders and Loaders LSSO, §6304  
Spar Trees LSSO, §6289
Trees rigged for logging operations  LSSO, §6292 
Guyline Illustration LSSO, §6402, Appx A
Machinery, to Minimize Hazard from Breakage/ Loosening/Falling Parts/Components GISO, §3328(e)
Oil and Gas Well Operations 
Derricks and Masts shall be guyed    PSO-D&P, §6586 
Standard Type Derricks at Oil and Gas Well Operations  PSO-D&P, §6566(a)
Rebar Assemblies CSO, §1712(f)
Storage Of Materials    GISO, §3241(c)
Tools & Hoses, Application Equipment, At Elevated Locations CSO, §1700
SEED COTTON PROCESSING MACHINES  See COTTON GINS
SELECTION OF
Fire extinguishers   GISO, §6151(d)(1)
Respirators    GISO, §5144(f)(2)
SELENIUM COMPOUNDS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SELENIUM HEXAFLUORIDE
Exposure limits  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process safety management GISO, §5189, Appx A
SELF-CLOSING CONTAINERS    GISO, §5453(g)
SELF-CONTAINED BREATHING APPARATUS (SCBA), per GISO
Definition GISO, §5144(b)
Air Quality GISO, §5144(i)
Selection of GISO, §5144(d)(2)
Use of GISO, §5144(i)
SELF-CONTAINED BREATHING APPARATUS, per TSO 
Conditions of Use TSO, §8430(e)
Inspections of TSO, §8440
Qualification TSO, §8430(b)
SELF-RESCUE, Fall Protection Requirement  CSO, §1670(b)(14)
SERIOUS INJURIES & FATALITIES    See Cal/OSHA, §330(h)
SERIOUS VIOLATIONS      See Cal/OSHA, §334
SERVICE EQUIPMENT, Bonding of ESO-LV, §2395.71
SERVICE PIPING, for All Gasses GISO, Article 85
Acetylene Piping GISO, §4823
Gas Systems Piping for Welding & Cutting GISO, §4821
Hydraulic Back-Pressure Valves GISO, §4828
Installation  of Service Piping GISO, §4825
Oxygen Piping GISO, §4822
Painting & Signs GISO, §4827
Piping Joints GISO, §4824
Signs & Painting GISO, §4827
Testing of piping Systems GISO, §4826
SERVICE PITS, Guarding of GISO, §3213
SERVICE STATIONS, Automotive & Marine
                            See also FLAMMABLE LIQUIDS, GASES & VAPORS
Application & Scope GISO, §5565
Attendance or Supervision of Dispensing GISO, §5578
Automotive lifts See AUTOMOTIVE LIFTS
Brake Repair, Asbestos Compliance Method GISO, §5208(f)(3)
Containers & Tanks, Portable GISO, §5566
Dispensing into Portable Containers GISO, §5577
Inside buildings GISO, §5568
Dispensing, Attendance or Supervision of GISO, §5578
Dispensing devices  GISO, §5571
Dispensing nozzles  GISO, §5576
Dispensing Unit GISO, §5573(b), (c) 
Dispensing into Portable Containers GISO, §5577
Drainage & Water Disposal  GISO, §5579
Electrical Equipment  GISO, §5574
Emergency Power Cutoff to Dispensers  GISO, §5572
Enclosures, Special  GISO, §5567
Fire Control GISO, §5581
Fire Extinguisher    GISO, §5581
Flammable liquids, equipment for storing, handling, or dispensing
Fuel Delivery Nozzles GISO, §5576
Fuel, Gasoline Dispenser, Hazardous Locations  ESO-LV, §2540.7
Fuel Dispensing System  GISO, §5571
Fuel Dispensing Unit  GISO, §5573
Dispensing nozzles  GISO, §5573(b), (c) 
Fuel / Gasoline Dispenser, Hazardous Locations  ESO-LV, §2540.7
Fueling, Internal Combustion Engines GISO, §3319 
Gasoline Dispenser, Hazardous Locations (Classified)  ESO-LV, §2540.7
Gasoline, Flammable liquids this heading  GISO, §5574
Handling, of Flammable Gasses, Liquids, Vapor GISO, §5566
Hazardous Locations (Classified) ESO-LV, §2540.7
Heating Equipment GISO, §5575
Ignition, Sources of  GISO, §5580
Nozzles, Fuel Delivery GISO, §5576
Piping, Valves are  GISO, §5569
Portable Containers, Dispensing into GISO, §5577
Power Cutoff, Emergency  GISO, §5572
Pumping Systems, Remote  GISO, §5570
Service pits, Guarding of GISO, §3213
Smoking near  GISO, §5580
Sources of Ignition  GISO, §5580
Storage, of Flammable Gasses, Liquids, Vapor GISO, §5566
Containers & Tanks GISO, §5566
Enclosures, Special  GISO, §5567
Inside Buildings GISO, §5568
Supervision of Dispensing GISO, §5578
Tanks & Containers, Storage GISO, §5566
Dispensing into Portable Containers GISO, §5577
Tank Storage  See TANKS, Flammable Liquid Storage, per GISO 
Tires, Inflation & Mounting GISO, §3325
Repair, Split Rim Wheels GISO, §3326
Split-Rim Mounting, Safety Practices GISO, §3327
Transfer between containers  GISO, §5568(b)
Waste disposal, & Drainage Disposal GISO, §5579 
SERVICING MACHINERY, Oil Well
                        See also WELLS, GAS & OIL, Drilling & Production
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
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
SESONE, 2,4-Dichlorophenoxy Ethyl Sodium Sulfate
Airborne Contaminant, Exposure limit  GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SEVIN, Carbaryl, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SEWAGE WASTEWATER WELLS, Electrical  ESO-LV, §2540.10
SEWER SYSTEM
Confined Space Entry GISO, §5157, Appx E
See Also CONFINED SPACES
Tanks & Sumps, Ventilation Requirement    GISO, §3309(b)
SEWING MACHINES, Textile Machinery GISO, §4475
SHACKLES, Hoisting GISO, §5049(g)
Identifications / Markings GISO, §5049(g)(1), (2), (3)
Loading, Not in Excess of Recommended Safe Working Load GISO, §5049(g)(2)
Safe Working Loads GISO, §5049, Table S-25
SHAFT ENDS, Guarding for GISO, §4051
SHAFTING
Belt Pulleys, Location of GISO, §4060(a)
Belt Stop GISO, §4060(b)
Belt Perches GISO, §4060(c)
Composition Pulleys, Out of Service GISO, §4063
Ends, Guarding for GISO, §4051
Wooden Pulleys, Out of Service GISO, §4063
SHAFTS & CELLARS, per PSO-D&P  PSO-D&P, Article 20
Construction & Maintenance PSO-D&P, §6576
Entrance & Exit  PSO-D&P, §6577
SHAFTS & EQUIPMENT, at Oil Wells PSO-D&P, §6661
SHAFTS, Excavations Subject to CSO when 20 feet or Less CSO, §1542
Access CSO, §1542(d)(5)
Barricading CSO, §1542(a)(3)
Communication CSO, §1542(d)(7)
Emergency Standby Employee CSO, §1542(d)(6)
Gas Testing CSO, §1542(d)(3)
Inspection CSO, §1542(d)(1)
Shoring, Lagging, Casing Systems  CSO, §1542(a)
Internal Combustion Engines CSO, §1533(a)
Confined Space Requirements CSO, §1533(c)
Internal Combustion Engines operated in Shafts CSO, §1541(g)(3)
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
Ventilation Requirements CSO, §1533(b)
Ventilation Systems, General Requirements CSO, §1530
SHAFTS, Excavations Subject to TSO when deeper than 20 feet 
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
Ventilation & Air Quality TSO, §8437
SHAFTS, Mines, Subject to MSO  MSO, Article 35
Deepening an Operating Shaft   MSO, §7114
Hoisting Equipment 
Cable attachment method  MSO, §7138
Design of Headframes MSO, §7128
Employee raising or lowering, Restrictions  MSO, §6982
Enlarging a Shaft  MSO, §7116
Exit, Shafts with One Exit   MSO, §7124
First-Class Hoists MSO, §7126
Use to Hoist Personnel Permitted  MSO, §7125
Hoist for Hoisting Personnel  MSO, §7125
Hoist Operator, Hoistman
Qualifications  MSO, §7150
Required to be on duty  MSO, §7149
Hoist Signal System  MSO, §7139
Dual Signaling System MSO, §7140
Hoisting Cables
Method of Attaching to Conveyance MSO, §7138
Safety Hook MSO, §7138(a)
Hoisting Equipment for Materials  MSO, §7120
Power-Driven Material Hoist MSO, §7121
Hoisting Practices MSO, Article 37
Hoisting Personnel, General MSO, §7147
Hoisting Tools & Materials MSO, §7148
Hoistmen Required on Duty MSO, §7149
Loading Personnel on Conveyance MSO, §7146
Qualified Hoistmen  MSO, §7150
Hoisting Ropes
Maintenance of Hoisting Rope MSO, §7136
Method of Attaching to Conveyance MSO, §7137
Safety Factor & Inspections MSO, §7135
Hoisting Signal Code MSO, §7141
Hoists MSO, §7123
Hoists at Shafts with One Exit MSO, §7124
Inspection, Equipment subject to wear  MSO, §7011
Lubricating Sheaves, Rollers & Hoisting Equipment MSO, §7143
Material hoists  MSO, §7120
Power-driven hoists  MSO, §7121
Operating controls  MSO, §7123
Parts Subject to Wear  MSO, §7011
Personnel Conveyances in Inclined Shaft MSO, §7133
Personnel Conveyances in Vertical Shaft  MSO, §7132
Personnel Hoisting MSO, §7125
Personnel Hoist, Class I, Specification MSO, §7126
Riding Loads, Employee raising or lowering, Restrictions  MSO, §6982(h)
Ropes
  Conveyance attachment method  MSO, §7137
Maintenance  MSO, §7136
Safety factor and inspections  MSO, §7135
Safe Practices  MSO, §7147
Shaft Conveyances, General MSO, §7129
Shaft Tracks MSO, §7131
Shaft conveyances  MSO, §7129
Shaft Guides MSO, §7130
Inclined shafts  MSO, §7133
Loading workers  MSO, §7146
Shaft Tracks MSO, §7131
Vertical shafts  MSO, §7132
Worker Transport  MSO, §7147
Signals, Hoisting   MSO, §7139
Code, Hoisting Signal MSO, §7141
Dual signaling systems  MSO, §7140
Station Signal Board  MSO, §7142
Sinking a Shafts  MSO, §7116
Station Signal Boards MSO, §7142
Tools and materials  MSO, §7148
Whims & Windlasses MSO, §7122
Hoisting While Sinking or Enlarging Shaft MSO, §7116
Inspections of MSO, §7161
Manway Compartment MSO, §7117
Protection Against Falling Materials MSO, §7113
Shaft Guarding MSO, §7110
Shaft Safety Pillars MSO, §7118
Shaft Work, Maintenance & Repair, General MSO, §7111
Shaft Work, Major Repair MSO, §7112
Special Power-Driven Shaft Equipment MSO, §7115
SHAFTS / SHAFTING, Guarding for  GISO, §4050
SHAKE MILLS See SHINGLE & SHAKE MILLS
SHAKER, CLOTHES TUMBLERS, BATCH TYPE, Laundries GISO, §4486
SHAPER & SIMILAR EQUIPMENT, Woodworking GISO, §4318.1
SHARPS INJURY LOG  GISO, §5193  
Maintaining a Sharps Injury Log GISO, §5193(c)(2)
Record Keeping Requirement GISO, §5193(h)(3)
SHEARS
Alligator   GISO, §4236
Plate  GISO, §4226
 Squaring     GISO, §4227
SHEAVES, Guarding of, per PSO-D&P  PSO-D&P, §6636 
SHEAVES & WIRE ROPES, per TSO  TSO, §8497
SHEEP, Shearing Equipment GISO, §3454 
SHEET METAL WORKERS, Light Duty Scaffolds  CSO, §1640(a)
                           See also SCAFFOLDING
SHEETROCK & similar material stacked  CSO, §1549(d)
                           See also PILING, Stacking Materials, Stability
Bricks, Piles stabilized  CSO, §1549(a)
Cement Bags, Piling CSO, §1549(b)
Floors, maximum safe load limits, Piling Materials CSO, §1549(f) 
Lumber & similar materials,  CSO, §1549(c)
Masonry Blocks, Stabilized CSO, §1549(a)
Material Inside Buildings, secured, Piling  CSO, §1549(e)
Maximum Safe Load Limits of Floors  CSO, §1549(f)
Plywood & Similar Material Stacked  CSO, §1549(d)
Reactive Materials, Segregated  CSO, §1549(g)
Sheetrock & similar material stacked  CSO, §1549(d)
Structural Steel & Similar Materials, Piles  CSO, §1549(c)
Tile, Stabilized, Stacked CSO, §1549(a)
Trusses & Similar Material Stacked  CSO, §1549(d)
Stacking Materials, Stability, per GISO  GISO, §3241(c)
Stability of Stacks & Piles, per CSO  CSO, §1549
Maximum Safe Load Limits of Floors, Loading to  CSO, §1549(f)
SHELVING, Storage GISO, §3241(e)
Material Storage GISO, §3241(c)
SHIELD GUARD, Construction     GISO, §3944, FIGURE G-3
SHIELDS, for Die Casting Machines GISO, §4265
SHIELDS, at Excavations CSO, §1541.1 
SHIFTERS, BELT   GISO, §4085
SHINGLE & SHAKE MILL EQUIPMENT LSSO, Article 17
                   See also SAW MILLS
Shingle Saws LSSO, §6395
Bolter & Equalizer Saws LSSO, §6397
Knee Bolter Saw LSSO, §6398 
Shingle Jointer LSSO, §6399
Circular Shake Saws LSSO, §6400
Lath & Shingle Mills LSSO, §6401
Bolters & Lath Machines LSSO, §6402
SHIP BUILDING, SHIP REPAIRING & SHIP BREAKING SAFETY ORDERS (SSO) SSO, Subchapter 18
Application  SSO, §8352
Definitions SSO, §8354 
Scope SSO, §8347
Title SSO, §8345
SHIP BUILDING, REPAIRING & BREAKING  OPERATIONS
Definitions SSO, §8354
Access to Ship masts, By Radar or Radio Technician only SSO, §8397.5
Accident Investigation (Lock-out / Tag-out SSO, §8356(p)
Accident Prevention Signs & Tags SSO, §8391.6
Age, Employee Minimum Age SSO, §8397.4(d)
Application of SSO  SSO, §8352
Scope SSO, §8347
Asbestos, Exposure See ASBESTOS, Operations Subject to SSO
Basket Stretchers SSO, §8351(f)
Boilers, Ship's SSO, §8376.1
Chromium (VI), Exposure See CHROMIUM (VI), Operations Subject to SSO
Code of Safe Practices   SSO, §8399, Appx A
Codes, Colors, for Marking Physical Hazards SSO, §8391.5
Communication & Radar Systems SSO, §8397.5
Confined & Enclosed Spaces  See CONFINED SPACE ENTRY, per SSO
Control of Hazardous Energy, Lock-out-Tag-out SSO, §8356
Decks SSO, §8374
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)
Definitions in SSO SSO, §8354
Electric Circuits & Distribution Boards SSO, §8391.4 
Electric Power SSO, §8397.6
 "        "        " See ELECTRIC POWER on VESSELS / SHIPS
Employees Working Alone SSO, §8397.6
Equipment & Tools Handling SSO, §8384
Explosives, Transport of GISO, §5269
Eye Wash See Also EYEWASH SSO, §8351(e)
Fire Protection Requirements SSO, §8397.10
Fire Protection Systems, Land-Side  SSO, §8397.16
Fire Response, Employer Responsibility SSO, §8397.12
Fire Safety Plan  SSO, §8397.11
Fire Watches SSO, §8397.15
First Aid & Medical Services SSO, §8351
Access to SSO, §8351(a)
Advice and Consultation SSO, §8351(b)
Basket Stretchers SSO, §8351(b)
Eye Wash, Flushing, Drenching Facilities SSO, §8351(e)
First Aid Providers SSO, §8351(c)
First Aid Supplies SSO, §8351(d)
Flushing, Drenching Facilities, for body and eyes SSO, §8351(e)
Stretchers SSO, §8351(b)
Fissionable Materials, Uses of  SSO, §8397.1
Forges SSO, §8375
Fueling of Ships SSO, §8390
Gangways & Ladders SSO, §8371 
Guarding, Machine SSO, §8376
Hazardous Energy, Control of  SSO, §8356
Health & Sanitation SSO, §8397.4 
Accessible Sanitary Facility SSO, §8397.4(a)(1)
Age, Minimum Age of Employees SSO, §8397.4(j)
Break, Eating & Drinking Areas  SSO, §8397.4(h)
Changing Rooms SSO, §8397.4(g)
Control of Contaminants, Waste, Drainage SSO, §8397.4(i)
Drinking Water (Potable) SSO, §8397.4(b)
Eating, Drinking & Break Areas SSO, §8397.4(h)
Employee Minimum Age SSO, §8397.4(j)
Fire Fighting, Non-Potable Water, Use of SSO, §8397.4(c)
Hand Washing Facilities SSO, §8397.4(e)
Maintaining, Servicing & Supplying of the Sanitary Facility SSO, §8397.4(a)(2)
Non-Potable Water, Use of SSO, §8397.4(c)
Potable Water provided per GISO, §3363 SSO, §8397.4(b)
Shower Facilities SSO, §8397.4(f)
Toilets Requirements SSO, §8397.4(d)
Wash Facilities SSO, §8397.4(a)
Waste Disposal SSO, §8397.4(i)
Water
Drinking Water (Potable) SSO, §8397.4(b)
Non-Potable SSO, §8397.4(c)
Work near Waste, Garbage, Contamination Prohibited SSO, §8397.4(i)(2) & (3)
Heat Lamps SSO, §8384(d)
Horse Staging, Interior & Exterior SSO, §8367 
Hot Work
Defined, Hot Work SSO, §8355, Appx A
Precautions for Hot Work SSO, §8397.14
Housekeeping Requirements SSO, §8391
Illumination SSO, §8391.3
Injury & Illness Prevention Program See INJURY & ILLNESS PREVENTION PROGRAM, per SSO 
Ladders SSO, §8371
Lifeboats, Work in or On  SSO, §8397.3
Hoisting w/ employee Prohibited SSO, §8397.3(b)
Loads, Lifting / Handling SSO, §8381
Lock-out / Tag-out, Control of Hazardous Energy SSO, §8356
Application & Scope SSO, §8356(a)
Appendices SSO, §8356(s)
General Requirements SSO, §8356(c)
Incident Investigation SSO, §8356(p)
Lock Out Procedure
for Applying Lockout/tags-plus Systems. SSO, §8356(f)
for Shutdown & Isolation SSO, §8356(e)
Involving Multiple Employees SSO, §8356(k)
Involving Multi-Employer Worksite SSO, §8356(l)
Written Procedures SSO, §8356(d)
Lock Out/ Tags-Plus Materials & Hardware SSO, §8356(n)
Lock Out/ Tags-Plus Program SSO, §8356(b)
Audits SSO, §8356(q)
Recordkeeping SSO, §8356(r)
System Removal SSO, §8356(i)
Materials & Hardware SSO, §8356(n)
Multiple Employees involved in Lock Out Procedure SSO, §8356(k)
Multi-Employer Worksites, Lock Out Procedure for SSO, §8356(l)
Removal of Lock Out/ Tags-Plus Systems SSO, §8356(i)
Startup Procedures SSO, §8356(j)
Testing Procedures SSO, §8356(h)
Training & Information  SSO, §8356(o)
Verification Procedure of De-energization and Isolation SSO, §8356(g)
Written Procedures / Lock Out/ Tags-Plus Program SSO, §8356(d)
Lumber used for Scaffolding & Staging SSO, §8361
Machinery servicing SSO, §8376
Machinery, Ship’s SSO, §8376
Lock-out / Tag-out, Control of Hazardous Energy per  SSO, §8356 SSO, §8357(a), (b) & (c)
Marking Physical Hazards, Color Codes SSO, §8391.5
Masts Access, By Radar or Radio Technician only SSO, §8397.5(b)
Material, Afloat, Removal SSO, §8377
Material, Securing, Before Sling Removal SSO, §8383
Medical Services & First Aid SSO, §8351
Motor Vehicle Safety SSO, §8387
Application SSO, §8387(a)
Motor Vehicle Safety Equipment SSO, §8387(b)
Motor Vehicle Maintenance & Operation SSO, §8387(c)
Pendants & Slings SSO, §8379
Pendants, Two Required  SSO, §8380
Physical Hazards, Color Codes for Marking  SSO, §8391.5
Piping Systems, Ship's SSO, §8378.1
Precautions for Hot Work SSO, §8397.14
Prefabrication Area SSO, §8388
Assemblies, Stacking of SSO, §8389
Propeller, Free from SSO, §8376(c)
Propulsion Machinery SSO, §8376(c)
Radar & Communication Systems SSO, §8397.5
Entering Hazardous Area SSO, §8397.5(d)
Exception from Compliance with this Section SSO, §8397.5(e)
Hazardous Energy, Control of  SSO, §8397.5(a)
Securing or Placement of  SSO, §8397.5(b)
Servicing in Accord with  SSO, §8397.5(a) & (c)
Operating, Testing, Servicing & Repairing SSO, §8397.5(c)
Ramps, Stairways, Gangways & Ladders SSO, §8371
Record keeping
Lock-out-Tag-out, Control of Hazardous Energy SSO, §8356(r)
Repair of Machinery SSO, §8376
Safety Color Codes, Marking Physical Hazards SSO, §8391.5
Safety Program, Suggested  SSO, §8399, Appx B 
Code of Safe Practices SSO, §8399, Appx A
Sanitation & Health, General Requirements SSO, §8397.4(a)
Age, Minimum Age of Employees SSO, §8397.4(j)
Break, Eating & Drinking Areas  SSO, §8397.4(h)
Changing Rooms SSO, §8397.4(g)
Eating, Drinking & Break Areas SSO, §8397.4(h)
Fire Fighting, Non-Potable Water, Use of SSO, §8397.4(c)
Hand Washing Facilities SSO, §8397.4(e)
Non-Potable Water, Use of SSO, §8397.4(c)
Potable Water provided per GISO, §3363 SSO, §8397.4(b)
Shower Facilities SSO, §8397.4(f)
Toilets SSO, §8397.4(d)
Wash Facilities SSO, §8397.4(a)
Waste Disposal SSO, §8397.4(i)
Safe practices suggested code  SSO, §8399, Appx A
Scaffold Construction
Build-up Staging SSO, §8364 
Construction Means SSO, §8362
Erecting & Maintaining SSO, §8370
Floating Staging  SSO, §8368
Gangways & Ladders SSO, §8371
Horse Staging, Interior & Exterior SSO, §8367 
Interior & Scaffolding SSO, §8366
Ladders SSO, §8371
Lumber used for Scaffolding & Staging SSO, §8361
Maintaining SSO, §8370
Ramps, Stairways, Gangways & Ladders SSO, §8371
Scaffolds & Staging, Pursuant to CSO  SSO, §8360
Staging Levels, Intermediate SSO, §8369
Stairways, Ramps, Gangways & Ladders SSO, §8371
Suspended Staging, Exterior, Painters only SSO, §8364
Suspended Staging, Exterior, Other Than Painters SSO, §8365
Securing the Load, Before Sling Removal SSO, §8383
Service Lines SSO, §8385
Ship’s Boilers SSO, §8376.1
Ship’s Machinery SSO, §8376
Ship's Piping Systems SSO, §8378.1
Shower, Emergency, Eye Wash See also EYEWASH SSO, §8351(e)
Signs, Accident Prevention Signs & Tags SSO, §8391.6
Slings & Pendants SSO, §8379
Staging, Build-up SSO, §8364 
Staging Construction See Scaffold Construction under this entry
Staging, Floating  SSO, §8368
Staging Levels, Intermediate SSO, §8369
Staging & Scaffolding, Interior SSO, §8366
Staging & Scaffolds, Pursuant to CSO  SSO, §8360
Stairways, Ramps, Gangways & Ladders SSO, §8371
Steam Supply & Hose SSO, §8378
Steam Supply System SSO, §8378(a)
Steam Hoses SSO, §8378(b)
Storage Batteries, Submarines  SSO, §8386
Submarines, Storage Batteries  SSO, §8386
Suspended Staging, Exterior, Painters only SSO, §8364
Suspended Staging, Exterior, Other Than Painters SSO, §8365
Tags, Accident Prevention Signs & Tags SSO, §8391.6
Training, Employee SSO, §8397.13 
Lock-out-Tag-out, Control of Hazardous Energy SSO, §8356(o)
Toilets SSO, §8397.4(d)
Tools & Equipment Handling SSO, §8384
Vehicle Safety SSO, §8387
Application SSO, §8387(a)
Motor Vehicle Safety Equipment SSO, §8387(b)
Motor Vehicle Maintenance & Operation SSO, §8387(c)
Walkways SSO, §8391.1 
Welding, Arc-Welding, w/ Inert Gas Shielded  SSO, §8357
Welding, Brazing, Cutting & Heating SSO, Article 7
Fuel Gas Cylinders SSO, §8395
Hose  SSO, §8394
Hose Connection Requirements SSO, §8393
Manifolds & Hose Connection Requirements SSO, §8393
Welding, Cutting & Heating, Other Provisions in GISO  SSO, §8392
Working Alone SSO, §8397.6
Working Surfaces   SSO, §8391.2 
SHIP MASTS & KING POST, Access To  SSO, §8397.5
SHIPYARD STANDARD  See SHIP BREAKING SAFETY ORDERS (SSO)
SHOE LAST LATHES, Woodworking  GISO, §4319
SHOES, Safety   GISO, §3385
SHOP TRANSFER CAR, Operating on rails, load clearance GISO, §3273(k) 
SHORE SCAFFOLDS, Prohibited CSO, §1637(j)
Shore Scaffolds, Illustration CSO, §1938, Appx B, Plate B-40
SHORING, General CSO, §1541(j)
SHORING SYSTEMS, Excavations  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
Timber Shoring for Trenches CSO, §1541.1, Appx C
SHORING, Vertical Support Systems      CSO, §1717 
SHORTS, Free From Electrical Shorts ESO-HV, §2710(c)
SHORTS, Locating & Testing 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)
SHOVELS, Cranes, Draglines & Loading Devices, per MSO  MSO, §7012
Parts of, Subject to Wear MSO, §7011
SHOWER & EYE WASH, Emergency Equipment      Also EYEWASH
First Aid Requirement GISO, §3400(d)
Emergency Equipment     GISO, §5162
Location GISO, §5162(c)
Maintenance GISO, §5162(e)
Periodic Testing GISO, §5162(e)
Performance GISO, §5162(d)
Worksite Requirement GISO, §5162(a), (b)
SHOWER FACILITIES, Change Rooms, per MSO 
Surface Operations MSO, §6976(a)
Underground Mines MSO, §6977(c)
SHOWER FACILITIES, Number of, per PSO-D&P  PSO-D&P, §6514(a), EXCEPTION
Well Drilling Facility Requirements PSO-D&P, §6515  
SHOWER FACILITY, Emergency wash stations
Aqua Ammonia Operations GISO, §3454(g)
Eye wash & Shower, Emergency Equipment     Also EYEWASH GISO, §5162
Refinery Operations PSO-R,T&H, §6822
SHOWER FACILITIES, Change Houses / Rooms, per TSO  TSO, §8431
SHUT-OFF, Fuel Dispensers, at Service Station GISO, §5572
SHUTTLES, Looms GISO, §4460
SIDE-BOOM CRANES      CSO, §1694 
SIDE MOUNT TOWER, Logging Operations
Carriage Detail, Illustration LSSO, §6402, Appx A
 with Mechanical Slack Pulling Carriage, Illustration LSSO, §6402, Appx A 
 Tail Spar Detail LSSO, §6402, Appx A
SIDEWALK ELEVATORS See under ELEVATORS
SIDEWALKS, Raised Plank Construction CSO, §1624
SIGNALS & COMMUNICATION SYSTEMS
Amusement rides  GISO, §3906
Permanent Amusement rides PARSO, §3195.9
Crane Operations
Signal Requirements GISO, §5001
Illustrations GISO, §5001, Plate 1
Signal Person, Qualified GISO, §5001(a), (b)
Electrical Work, per ESO
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
Freight elevators ElevSO, §3037
Logging Operations LSSO, Article 4 
Electrical Signal Systems LSSO, §6271
Radio Signal Systems LSSO, §6272
Citizen Band Radios LSSO, §6273
Signal Systems LSSO, §6270
Helicopter Operations LSSO, §6326
Hand Signals, Illustration LSSO, §6402, Appx A
Radio Signal Systems LSSO, §6272
Citizen Band Radios LSSO, §6273
Signals, Hand, Illustration LSSO, §6402, Appx A
Signal Systems LSSO, §6270
Tractor Signals, Logging  LSSO, §6402, Appx A
Whistle Signals LSSO, §6402, Appx A
Mining Operations, Underground
Emergency alarms  MSO, §7075
Hoisting, Mine shafts  MSO, §7139
Dual signaling systems MSO, §7140
Signal Code MSO, §7141
Station Signal Board MSO, §7142
Slow Moving Vehicle / Agricultural Vehicles GISO, §3340(d)(6)
Tunnel Operations  TSO, §8498
SIGNALING CIRCUITS, Remote Control ESO-LV, Article 85
Class 1, 2, & 3 Circuits ESO-LV, §2585.1
Classification ESO-LV, §2585.1
Marking ESO-LV, §2585.2
Separation from Conductors & Other Circuits ESO-LV, §2585.3
SIGNS, Accident Prevention GISO, §3340
Application / Scope of §3340 GISO, §3340(a)
Definitions  GISO, §3340(b)
Aerosol Transmissible Diseases, Zoonotic            GISO, §5199.1(d)
Agricultural Vehicle Sign, Slow Moving GISO, §3340(d)(6)
Approved GISO, §3340(d)
Asbestos removal See under ASBESTOS
Biological Hazard GISO, §3340(c)(5)
Symbol GISO, §3340(d)(7)
Tags GISO, §3341(h)
Cadmium-related Work See under CADMIUM
Carcinogens See under CARCINOGENS 
Classification of Signs by Use GISO, §3340(c)
Clearances, Impaired GISO, §3273(m)
Danger Signs GISO, §3340(c)(1)
Design of Signs GISO, §3340(d)
Design of Sign GISO, §3340(d)
Exit  GISO, §3216
Hazard Communication, DOT Placards GISO, §5194.1
Hydrogen Storage locations  GISO, §5470
Lead See under LEAD
Lettering/Wording GISO, §3340(d)(1), (e)
Marine terminals  GISO, §3465
Posting of Warning, Impaired Clearances GISO, §3273(m)
Slow Moving Vehicle Emblem  GISO, §3340(d)(6)
Telecommunication Operations, Traffic Control TelSO, §8604(a)
Tunnel Operations, Laser light warnings  TSO, §8416(b) 
Traffic Control, Public Streets & Highways   CSO, §1598(b)
Flagger Requirements 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)
Traffic Control & Barricades, Public Streets & Highways  CSO, §1598
Warning GISO, §3340(c)(2); (d)(3)
Agricultural Equipment GISO, §3440(c)(3); (f)(2)(B)
Automatic Start  GISO, §3320
High Voltage Lines ESO-HV, §2947
Wording on Signs GISO, §3340(e)
SIGNS, ADVERTIZING STRUCTURES, & Outline Lighting 
High Voltage ESO-HV, Article 39
Electric-Discharge Tubing  ESO-HV, §2972
Electric Discharge Tubing, Terminals & Receptacles ESO-HV, §2973
Installation of Conductors ESO-HV, §2970
Switches on Doors ESO-HV, §2974
Transformers ESO-HV, §2971
Low Voltage ESO-LV, Article 73
Clearances ESO-LV, §2560.10
Disconnecting Means ESO-LV, §2560.2
Location of  ESO-LV, §2560.3
SIGNS, ADVERTIZING STRUCTURES, Outdoor  GISO, Article 11+H1266
Fall Protection Requirements GISO, §3416
General  GISO, §3412
Ladders  GISO, §3413
Ladder Scaffolds GISO, §3414
Poster Ladder Scaffolds GISO, §3414
Suspended Scaffolds GISO, §3415
SILICA, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SILICATES, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SILICON TETRAHYDRIDE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SILVER, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SILVER COMPOUNDS, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A 
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SILOS  See Also GRAIN HANDLING
Entry into Storage Structure / Grain Handling GISO, §5178(b)
Attendant/ 2nd Employee, during entry GISO, §5178(b)(5)
Authorization to Enter, Written GISO, §5178(b)(1)
Body Harness w/ Lifeline Requirement GISO, §5178(b)(5)
Bridging Conditions, Employee Exposure Prohibited GISO, §5178(b)(4)
Confined Space Entry, Testing of Air GISO, §5178(b)(1)(B)
Deenergizing of Equipment Prior to Entry GISO, §5178(b)(2)
Fall Protection Equipment/ Body Harness w/ Lifeline Requirement GISO, §5178(b)(5)
Lifeline / Body Harness Requirement GISO, §5178(b)(5)
Rescue Personnel Requirement GISO, §5178(b)(6)
Safety Precautions compliance with GISO, §5158 GISO, §5178(b)(1)(A)
Walking Down Grain Prohibited GISO, §5178(b)(3)
SINGLE-USE DRINKING CUPS     GISO, §3457(c)(1)(C)
SINGLE RAIL LADDERS, Definition GISO, §3276(b)
Prohibition of Single Rail Ladders GISO, §3276(d)
SKELETON STEEL See STEEL, Erection of
SKI LIFTS See under AERIAL PASSENGER TRAMWAYS 
Deploying Hand charges from See under EXPLOSIVES, Avalanche, Snow, Blasting
Transporting Hand charges via See under EXPLOSIVES, Avalanche, Snow, Blasting
SKILL SAWS GISO, §4307
Defective or Broken Saws Prohibited GISO, §4307(d)
Disabling of Guard Prohibited GISO, §4307(c)
Guarding Requirement GISO, §4307(a)(b)
Disabling of Guard Prohibited GISO, §4307(c)
SKINS, Hair Removal from, Leather Goods Machine GISO, §4519
SKIN NOTATION, indicating Chemical Absorption through Skin GISO, §5155(d), &, Appx A, Table AC-1  
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SKIN PROTECTION, Roofing, Handling Coal Tar Pitch  CSO, §1728(a)
SKIRTED PLUGS, 300 volts or over ESO-LV, §2510.7
SKIVING MACHINE, Leather & Composition Goods GISO, §4513
SKYLIGHT OPENING, per CSO  CSO, §1632(e)
SKYLIGHTS, Guarding of  GISO, §3212(e)  
Skylight used as Lighting   GISO, §3317(c) 
Stairway Lighting   GISO, §3317 
Work Area Lighting   GISO, §3317 
SLEEPING QUARTERS, Temporary CSO, §1527
SLEEVES, GLOVES, BLANKETS, Electrically Insulating ESO-HV, §2940.6(a) 
SLICERS & WRAPPERS, Food Service  GISO, §4548
SLIDING CUT-OFF SAWS  GISO, §4305
SLIDING GATES, Horizontal GISO, §3324
Employee Instruction, Safe Operation of Gate GISO, §3324(c)
Installation, Maintenance, Construction of GISO, §3324(b)
Repairs By Qualified Person GISO, §3324(d)
Stops and Travel Limits GISO, §3324(a)
SLINGS, Hoisting - use, care, maintenance per CSO CSO, §1616.1(aa)
SLINGS, Hoisting (GISO) GISO, Article 101
Application & Scope  GISO, §5040
Definitions  GISO, §5041
Illustrations
Quadruple Sling, links and chains GISO, §5049, Figure S-1
Quadruple Sling, handles GISO, §5049, Figure S-2
Quadruple Sling, Metal Mesh Sling GISO, §5049, Figure S-3
Basic Sling Configurations GISO, §5049, Figure S-4
Sling Configurations with Angled Legs GISO, §5049, Figure S-5
Basic Synthetic Web Sling Configuration GISO, §5049, Figure S-6
Alloy Steel Chain Slings GISO, §5044
Identifications / Markings GISO, §5044(a)
Heated / Heating of GISO, §5044(f)
Defective Hooks & Rings  GISO, §5049 
Fiber Rope Slings, Synthetic & Natural GISO, §5047
Inspections  GISO, §5043
Metal Mesh Slings GISO, §5046
Natural fiber rope slings  GISO, §5047
Identifications / Markings GISO, §5047(g)
Quadruple Slings, Illustration  GISO, §5049, Figure S-1
Rated Capacities
Alloy steel chain slings GISO, §5049, Table S-1
Wrought iron chain GISO, §5049, Table S-2
Single leg slings, plow steel grade rope w/fiber core GISO, §5049, Table S-3
Single leg slings, plow steel grade rope w/independent wire rope core GISO, §5049, Table S-4
Single leg slings, cable laid rope, mechanical splice only GISO, §5049, Table S-5
Single leg slings, braided rope GISO, §5049, Table S-6
2-leg and 3-leg bridle slings, plow steel grade rope w/fiber core GISO, §5049, Table S-7
2-leg and 3-leg bridle slings, plow steel grade rope w/wire rope core GISO, §5049, Table S-8
2-leg and 3-leg bridle slings, cable laid rope, mechanical splice only GISO, §5049, Table S-9
2-leg and 3-leg bridle slings, braided rope GISO, §5049, Table S-10
Strand laid grommet, hand tucked GISO, §5049, Table S-11
Cable laid grommet hand tucked GISO, §5049, Table S-12
Strand laid endless slings, mechanical joint GISO, §5049, Table S-13
Cable laid endless slings, mechanical joint GISO, §5049, Table S-14
Cable type classifications and designations GISO, §5049, Table S-15
Fabric construction GISO, §5049, Table S-16
Carbon steel and stainless steel metal mesh slings GISO, §5049, Table S-17
Manila rope slings GISO, §5049, Table S-18
Nylon rope slings GISO, §5049, Table S-19
Polyester rope slings GISO, §5049, Table S-20
Polypropylene rope slings GISO, §5049, Table S-21
Synthetic web slings, 1,000 lbs. per inch of width GISO, §5049, Table S-22
Synthetic web slings, 1,200 lbs. per inch of width GISO, §5049, Table S-23
Synthetic web slings, 1,600 lbs. per inch of width GISO, §5049, Table S-24
Rings, Defective  GISO, §5049
Safe Operating Practices GISO, §5042
Shackles GISO, §5049(g)
Identifications / Markings GISO, §5049(g)(1), (2), (3)
Loading, Not in Excess of Recommended Safe Working Load GISO, §5049(g)(2)
Safe Working Loads GISO, §5049, Table S-25
Ship building, Repair, & Breaking Operations
Compliant with GISO, Articles 96 &101  SSO, §8379(a)
Use of Slings & Pendants SSO, §8379
Handling materials  SSO, §8381
Materials Requirements  SSO, §8380
Pendent Requirements, Two Required  SSO, §8380
Securing and fastening materials  SSO, §8383
Synthetic Web Slings GISO, §5048
Identifications / Markings GISO, §5048(a)
Wire Rope Slings GISO, §5045
Identifications / Markings GISO, §5045(g)
SLIP FORM OPERATIONS, Vertical CSO, §1719
SLIPPERY FLOORS
Cleats, High Friction Surfaces, Covering, or Other GISO, §3272(d)
Protecting Workers on     GISO, §3273(a)
SLIPPERY SURFACES, Protection from LSSO, §6256
SLIVER & RIBBON LAP MACHINES (Doublers) GISO, §4469
SLOPE, Roof Hazard Determination by  CSO, §1730(b)-(f)
SLOPE of Ladder, Angle of Inclination    GISO, §3276(e)(9)
SLOPE, Uphill Logging  CSO, §6281(a)
SLOPES, Working on >40O , Fall Protection Required CSO, §1670(a)
SLOPING, General    CSO, §1541(j)
SLOPING & BENCHING SYSTEMS CSO, §1541.1(f) 
Design of CSO, §1541.1(b)
Illustrations of Sloping & Benching CSO, §1541.1, Appx B
SLOW MOVING VEHICLE, Emblem & Sign Design GISO, §3340(d)(6)
SLUBBERS, Textile Machinery GISO, §4459
SMALL ARMS AMMUNITION & PROPELLANTS GISO, Article 123
Application & Scope GISO, §5370
Ammunition Primers, Small Arms  GISO, §5374
Ammunition, Small Arms GISO, §5371
Black Powder Propellants GISO, §5373
Primers, Small Arms  GISO, §5374
Propellants, Smokeless   GISO, §5372
Storage  GISO, §5371(b)
Separated from Flammable Materials & Oxidizers GISO, §5371(a)
SMOKE, & Gases, Control of, per MSO 
After Blasting MSO, §7095
After Secondary Blasting MSO, §7096
SMOKELESS POWDER, Explosives    GISO, §5372
SMOKING RESTRICTIONS
All Places of Employment, per GISO  GISO, §5148
Asbestos Workers, Smoking Cessation Program Information GISO, §5208, Appx I
Restrictions at Asbestos Jobsite GISO, §5208(i)(4)
Battery Charging Area  GISO, §5185(g)
Bulk plants  GISO, §5622
No Smoking Signs  GISO, §5622
Construction Operations, per CSO 
Asbestos Workers, Smoking Cessation Program Information CSO, §1529, Appx J
Restrictions at Asbestos Jobsite CSO, §1529(j)(4)
Flammable/Combustible Locations, Industrial Plants GISO, §5549(a)
Flammable Vapors Greater than 25% LEL GISO, §5416
Logging & Sawmill Operations 
Vehicles carrying flammable liquids LSSO, §6262(e)
Helicopter fueling and fuel area, within 50 feet LSSO, §6325(c)
Mining Operations MSO, §7055
Oil & Gas Refinery, Transportation & Handling Operations PSO-R,T&H, §6772
Oil & Gas Well Operations PSO-D&P, §6518 
Pressurized Worksites  GISO, §6115(d)
Service Stations, at  GISO, §5580
Ship Building, Repair & Breaking Operations 
Asbestos Workers, Smoking Cessation Program Information SSO, §8358, Appx J
Restrictions at Asbestos Jobsite SSO, §8358(j)(4)
General No-Smoking Restrictions SSO, §8397.4(b)
Tanks, Sources of Ignition  GISO, §5603
Tunneling Operations GISO, §8425
Workplace Smoking Prohibition  GISO, §5148 
SNG (Satellite News Gathering), Definition ESO-HV, §2980
                    See also ELECTRONIC NEWS GATHERING (ENG) EQUIPMENT
SNOW AVALANCHE BLASTING    GISO, Article 121
Arming of Explosive Charges GISO, §5355
Arming Room, Inside GISO, §5355(c)
Deployment Site, at  GISO, §5355(b)
Arming Room GISO, §5355.1  
Construction of  GISO, §5355.1(b)
Housekeeping GISO, §5355.1(d)
Location of  GISO, §5355.1(a)
Restrictions GISO, §5355.1(c)
Avalanche control coordinator   GISO, §5351(a)
Blaster in charge GISO, §5351(b), (c) 
Competent ski mountaineers GISO, §5351(f)
Consist of GISO, §5351(d)
Personnel in training  GISO, §5351(e)
Blasting Activities GISO, §5357
Avalauncher / Launcher, use of GISO, §5357(e)
General Requirements GISO, §5357(a) 
Hand Deployment GISO, §5357(b)
Helicopter, from GISO, §5357(d)
Ski lifts or trams, from GISO, §5357(c)
Blasting caps GISO, §5353(a)(1), (c) 
Cap & Fuse Assembly GISO, §5353(e)
Communication requirement GISO, §5351(g)
Detonating Systems GISO, §5353(a)
Explosives GISO, §5352
Shelf life of  GISO, §5352(a) 
Storage of GISO, §5354
Transporting of GISO, §5356
Weather resistance  GISO, §5352(b) 
Fuse caps GISO, §5353(c) 
Fuse Igniter GISO, §5353(f)
Misfired Explosives GISO, §5358 
Abatement of  GISO, §5358(c), (g)
Determination of  GISO, §5358(g)   
Documentation, Records of GISO, §5358(a), (d), (i)
Records / Documentation of GISO, §5358(a), (d), (i)  
Retrieval of GISO, §5358(b)  
Waiting period GISO, §5358(c), (f)
Searching for  GISO, §5358(e)  
Slope Closure GISO, §5358(c)  
Waiting period GISO, §5358(c), (f)
Warning signs GISO, §5358(j)  
Multiple charge blasting GISO, §5353(b)
Safety Fuses requirements GISO, §5353(d)
Scope   GISO, §5349
Snow Avalanche Blasting Crew GISO, §5351
Storage of Explosives GISO, §5354
Training GISO, §5350   
Blasting crew members, for   GISO, §5350(a), (b)
Essential personnel  GISO, §5350(e)
Field experience, as GISO, §5350(c)  
Transporting of Explosives GISO, §5356
Avalanche Blasting Packs GISO, §5356(e)
Containers, inside  GISO, §5356(d)
Public roads or highways, on GISO, §5356(a)
Ski lift, on  GISO, §5356(c)
Vehicle’s hot exhaust system, protection from GISO, §5356(b)
SNOW BLOWERS, Electrical, Grounding  ESO-LV, §2395.45(A)
SNOW MELTING & De-Icing Equipment, Fixed, Outdoor    ESO-LV, Article 54
Application / Scope ESO-LV, §2526.1
Disconnecting Means ESO-LV, §2526.50
SOAP PRESSES  GISO, §4570 
SOAP, In Restrooms    GISO, §3366(d)
Agricultural Operations, Field Sanitation GISO, §3457(c)(3)(G)(3)
SODA ACID FIRE EXTINGUISHERS   GISO, §6151
SODIUM AZIDE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SODIUM BISULFITE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SODIUM CHLORATE 
Pulp, Paper & Paper-hoard Mill Operations GISO, §4419 
SODIUM DIOXIDE 
Pulp, Paper & Paper-hoard Mill Operations GISO, §4419 
SODIUM FLUOROACETATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SODIUM HYDROXIDE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SODIUM METABISULFITE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SODIUM STEARATE, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
SOIL CLASSIFICATION, Excavations CSO, §1541.1, Appx A
SOLAR, Photovoltaic System ESO-LV, Article 88
Application / Scope ESO-LV, §2588.1
Conductors of Different Si  ESO-LV, §2588.2
Disconnecting Means ESO-LV, §2588.3
SOLDERING
Telecommunication Operations  TelSO, §8609
SOLID CONSTRUCTION or PERMANENT, Scaffolding Requirement      CSO, §1637(a)
SOLID FUEL
Bakery Oven Inspections, Exempted  GISO, §4530(a)(2)
Salamanders, Heaters, Prohibited CSO, §1693(e)
SOLID WASTE, DISPOSAL EQUIPMENT, Food Service  GISO, §4559
SOLID WASTE TRUCKS  & REFUSE COLLECTION EQUIPMENT
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
SOLITARY EMPLOYEE
Mining Operations, Prohibited MSO, §6973(k)
Tunneling Operations, Prohibited TSO, §8410(h)
SOLVENTS, Flammable, General Requirements GISO, §5417
Class IA Flammable Liquids Use Requirements when Used as Cleaner GISO, §5417(d)
Containers, Covered GISO, §5417(e)
Labeling / Marking of Containers GISO, §5417(a)
Spaying Liquids for cleaning Purposes GISO, §5417(c)
Tubular Gauges, Shielding Requirements GISO, §5417(f)
Ventilation Requirements when used as cleaner GISO, §5417(b)
SOUND RECORDING, & Similar Equipment ESO-LV, Article 76
Application / Scope ESO-LV, §2564.1
Grouping of Conductors ESO-LV, §2564.6
SOURCES OF AIR EMISSION, Controlling  GISO, §5146(c)
SOURCES OF IGNITION, General
Controlling of Ignition Sources, General GISO, §5416(b), (c), (d)
Spray Finishing     GISO, §5449(b)
Wells, Oil & Gas Operations, per PSO-D&P 
Control of PSO-D&P, §6521(a)
Sources Prohibited in Flammable Vapor / Gas PSO-D&P, §6521(b )
Spontaneous Ignition  PSO-D&P, §6522
Iron Sulfide Management  PSO-D&P, §6522(a)
Steel Wool, use with Lime  PSO-D&P, §6522(b)
Static Electricity, Control of PSO-D&P, §6523(a)
Grounding of Steel Derricks & Masts PSO-D&P, §6523(b)
SPACE, Confined Space, per GISO  GISO, Article 108
Application / Scope  GISO, §5156(a), (b) 
Definitions GISO, §5156(b) 
Permit-Not-Required Confined Space Entry See CONFINED SPACE ENTRY, Permit-Not-Required 
Permit-Required Confined Space Entry See CONFINED SPACE ENTRY, Permit-Required 
SPACE, Confined Space Entry, per SSO SSO, §8355
Cleaning Operations & Other Cold Work SSO, §8355(f)
Coating Operations  SSO, §8355(j)
Competent Person Designation SSO, §8355(b)
Competent Person Qualifications SSO, §8355(c)
Compliance Assistance SSO, §8355, Appx A
Flammable & Toxic Solvents, Coating Operations  SSO, §8355(j)
Hot Work SSO, §8355(g)
Labels & Signs, Warning SSO, §8355(i)
Maintenance Requirements SSO, §8355(h)
Painting Operations  SSO, §8355(j)
Precautions, General  SSO, §8355(j)
Precautions, Order of Testing before Entry SSO, §8355(e)
Record keeping  SSO, §8355(d)
Signs & Labels, Warning SSO, §8355(i)
Supervisor, Responsibility SSO, §8355(a)
Testing, Pre-entry SSO, §8355(e)
Toxic & Flammable Solvents, Coating Operations  SSO, §8355(j)
US Coast Guard Confined Space Standard SSO, §8355, Appx B
Volatile Solvents, Coating Operations  SSO, §8355(j)
SPACE, Confined Space Entry, Man Holes, per TelSO  TelSO, §8616(b)
SPACE, Confined Space Entry, Permit-Required, per GISO  GISO, §5157
Application / Scope  GISO, §5157(a) 
Definitions GISO, §5157(b) 
Appendices , Scope of GISO, §5157(m)
Atmospheric Testing Procedures GISO, §5157, Appx B
Blanking, Blinding, Isolating GISO, §5157(d)(5)
Classification / Reclassification of Space GISO, §5157(c)(7)
CPR / First Aid Requirement GISO, §5157(k)(1)(D)
Entry Permit Format GISO, §5157, Appx D-1, D-2
Program examples GISO, §5157, Appx C
Entry Permit GISO, §5157(f)
Entry, Control  GISO, §5157(c)(3), (d)(1)
Decision Chart, Confined Space GISO, §5157, Appx A
Duties of Authorized Entrants GISO, §5157(h)
Duties of Attendants GISO, §5157(h)
Duties of Entry Supervisors GISO, §5157(j)
Emergency Services & Rescue GISO, §5157(k)
Employee Participation GISO, §5157(l)
General Requirements GISO, §5157(c)
Inform Employee of  GISO, §5157(c)(2)
Isolating Space GISO, §5157(d)(5)
Permit System GISO, §5157(e)
Program, Permit Space GISO, §5157(d)
Sample Programs GISO, §5157, Appx C
Reclassification of Space GISO, §5157(c)(7)
Rescue & Emergency Services GISO, §5157(k)
Sewer System Entry GISO, §5157, Appx E
Training of Employees GISO, §5157(g)
Welding In  GISO, §4851(c)
SPACE, Confined Space Entry, Permit-Not-Required GISO, §5158 
Application / Scope  GISO, §5158(a) 
Definitions GISO, §5158(b) 
Air, testing prior to entry GISO, §5158(e)
CPR / First Aid Requirement GISO, §5158(e)(2)
Operations, Confined Space GISO, §5158(e)
Operation Procedures GISO, §5158(c)(1)
Oxygen-consuming equipment, use GISO, §5158
Oxygen Deficient Atmosphere GISO, §5158
Pre-Entry GISO, §5158(d)
Training of Employees GISO, §5158(c)(2)
Sewer System, Confined Space Entry GISO, §5157, Appx E
Standby employees GISO, §5158
Welding In  GISO, §4851(c)
SPACE, Confined Space Entry, per PSO-D&P  PSO-D&P, §6529
SPACE, Confined Space Entry, per PSO-R, T&H  PSO-R,T&H, §6793
SPACE, Confined Space Entry, Unfired Steam Pressure Vessels  GISO, §3312
SPACE HEATERS, Fixed Electric Heating Equipment  ESO-LV, Article 53 
Application / Scope  ESO-LV, §2524.1
Disconnecting Means  ESO-LV, §2524.19
Location of ESO-LV, §2524.65
Switch & Circuit Breaker, Indicating Type ESO-LV, §2524.21
SPACE HEATERS, LP-Gas Fired      CSO, §1706 
SPARK ARRESTERS
Explosives, Handling and Use of, Engines equipped w/, not source of Ignition GISO, §5276(a)
Explosives, Mixing Blasting Agents, Engines shall be equipped w/ GISO, §5342(k)
Forklift, Maintenance of GISO, §3663(b)
Industrial Trucks, Maintenance of GISO, §3663(b)
Oil & Gas Well Operations PSO-D&P, §6684(b)
Exception, when engine is shut down PSO-D&P, §6684(a), Exception
Maintenance of PSO-D&P, §6684(c)
SPAR TREES
Climbing & Preparation of  LSSO, Article 6
High Climber LSSO, §6287
Pass Line & Equipment LSSO, §6288
Rigging of  LSSO, §6402, Appx A 
Spar Trees LSSO, §6289
SPECIAL HAND TOOLS GISO, §3330 
SPECIAL PURPOSE PERSONNEL ELEVATORS  See under ELEVATORS
SPEED
At Safe Speeds, Per Design, Machine & Equipment Requirement GISO, §3328(a)
Check Design Speed of Abrasive Wheel before Mounting GISO, §3580(a)
Check Design Speed of Portable Abrasive Wheel before Mounting GISO, §3583(f)
Maximum Wheel Speed  GISO, §3583(f), Table A-6
Saws    
Circular Saws & Knifes GISO, §4322
Band Saws & Knifes GISO, §4310(c)
SPILLS & OVERFLOW, control of GISO, §5163
SPILL CONTROL PSO-D&P, §6540
Aboveground Tanks, per GISO  GISO, §5595 
Aboveground Tanks, per PSO-D&P  PSO-D&P §6548 
Aboveground Tanks, per PSO-R,T&H  PSO-R,T&H, §6805
Isolation of, per PSO-D&P  PSO-D&P, §6540(a)
Restricted Employee Access, per PSO-D&P  PSO-D&P, §6540(a)
SPILL, HAZARDOUS WASTE, & Emergency Response GISO, §5192
Application & Scope GISO, §5192(a)(1), (2)
Definitions  GISO, §5192(a)(3)
Compliance Guidelines GISO, §5192, Appx C
Containers, Handling GISO, §5192(j)
Decontamination GISO, §5192(k)
Drums, Handling GISO, §5192(j)
Emergency Response Planning GISO, §5192(l)
Emergency Response to Releases GISO, §5192(q)
Emergency Response Plan GISO, §5192(q)(1)
Elements, Plan GISO, §5192(q)(2)
Medical Surveillance & Consultation GISO, §5192(q)(9)
Procedure, Emergency Response GISO, §5192(q)(3)
Skilled Support Personnel GISO, §5192(q)(4)
Specialist Employees GISO, §5192(q)(5)
Training of Responders GISO, §5192(q)(6)
Refresher Training GISO, §5192(q)(8)
Trainers GISO, §5192(q)(7)
Engineering Control GISO, §5192(g)
Food handling GISO, §5192(n)(4)
Handling Drums and Containers  GISO, §5192(j)
Informational Program GISO, §5192(i)
Lighting / Illumination GISO, §5192(m)
Medical Surveillance GISO, §5192(f)
Monitoring GISO, §5192(h)
New Technology Programs  GISO, §5192(o)
Non-potable water  GISO, §5192(n)(2) 
Personal Protective Equipment GISO, §5192(g) 
Level of Protection GISO, §5192, Appx B
Test Methods GISO, §5192, Appx A
Potable water  GISO, §5192(n)(1)
RCRA Operations GISO, §5192(p)
Resource Conservation and Recovery Act Operations  GISO, §5192(p) 
Safety & Health Program GISO, §5192(b)
Sanitation at Temporary Workplaces GISO, §5192(n)
Showers and change rooms   GISO, §5192(n)(7)
Site Characterization & Analysis GISO, §5192(c)
Site Control GISO, §5192(d)
Sleeping Quarters, Temporary   GISO, §5192(n)(5)
Technology Programs, New GISO, §5192(o)
Temporary sleeping quarters   GISO, §5192(n)(5)
Toilet Facilities  GISO, §5192(n)(3)
Training GISO, §5192(e)
Washing facilities   GISO, §5192(n)(6)
Water, Drinking GISO, §5192(n)(1), (2) 
Work Practices GISO, §5192(g)
Compliance Guidelines GISO, §5192, Appx C
References GISO, §5192, Appx D 
SPIRAL STAIRWAYS, Prohibition, per CSO  CSO, §1629(a)(6)
SPLICER, TUBE, Controls    GISO, §4591
SPLICING, Extension Cords, Flexible Cords & cables ESO-LV, §2500.9
SPLINTERS, NAILS   GISO, §3273(a)
SPLIT RIM WHEELS, Servicing GISO, §3326
Tires, Inflation & Mounting GISO, §3325
Mounting GISO, §3326
Split-Rim Mounting, Safety Practices GISO, §3327
SPLITTER (Band Knife), Leather & Composition Goods GISO, §4515
SPLITTER (Stationary Drive), Leather & Composition Goods GISO, §4514
SPOILS / OVERBURDEN, at Face of Excavation, Excavations CSO, §1541(j)(2)
SPOKE LATHES, Woodworking GISO, §4319 
SPONTANEOUSLY COMBUSTIBLE MATERIAL     GISO, §5177
SPONTANEOUS IGNITION, Fire Prevention, per PSO-R,T&H  PSO-R,T&H, §6776
SPOOLERS & DEADLINE STABILIZERS, per PSO-D&P  PSO-D&P, §6688
SPRAY AREA, Cleaning of Residues GISO, §5453(c)
SPRAY BOOTHS
Air velocity     GISO, §5153(e)
Clear space around     GISO, §5446(h)
Construction   GISO, §5446(a)
Design & Construction GISO, §5446
Fire Protection GISO, §5452
Hazardous Locations  ESO-LV, §2540.9
Illustration of Hazardous Location  ESO-LV, §2540.9, Figures 1, 2 & 3
Ventilation    GISO, §5153
Dilution of Flammable Vapors GISO, §5153(d)
Downdraft Booths GISO, §5153(f)
Exhaust Air GISO, §5153(c)
General System Requirements GISO, §5143 
Make-up Air GISO, §5153(c)
Respiratory Protection GISO, §5153(g)
Spray Booth / Room, In GISO, §5153(a)
Spray Operation Requirements GISO, §5153(b)
Personal Protective Equipment GISO, §5153(g)
Ventilation Rate GISO, §5153(e)
SPRAY COATING, Application Equipment CSO, §1700 
SPRAY COATING OPERATIONS, General Industry GISO, Article 137
                                                              See also FLAMMABLE LIQUIDS, GASES & VAPORS
Application & Scope GISO, §5445
Automobile Undercoating in Garage GISO, §5459
Disposal, Flammable Residue    GISO, §5453(f) 
Dry Type Overspray Collectors GISO, §5447
Drying, Curing or Fusion Apparatus GISO, §5456
Dual Component Coatings GISO, §5461
Exhaust Air Filters GISO, §5447
Flammable & Combustible Liquids
Storage & Handling GISO, §5451
Fire Protection  GISO, §5452
Fixed Apparatus, Electrostatic GISO, §5454
Hand Spraying Equipment, Electrostatic GISO, §5455
Hazardous Locations GISO, §5449
Illustration GISO, §5449, Figure SB-1
Ignition, Electrical & Other Sources of GISO, §5449(b)
Hazardous Locations, Illustration GISO, §5449, Figure SB-1
Maintenance GISO, §5453
Operation & Maintenance GISO, §5453
Organic Peroxides  GISO, §5461
Powder Coating  GISO, §5460
Respiratory Protection, Spraybooths per GISO, §5144 GISO, §5153(g)
Spray Booths GISO, §5446
Ventilation GISO, §5450
Dilution of Flammable Vapors GISO, §5153(d)
Downdraft Booths GISO, §5153(f)
Exhaust Air GISO, §5153(c)
General System Requirements GISO, §5143 
Make-up Air GISO, §5153(c)
Respiratory Protection, Spraybooths per GISO, §5144 GISO, §5153(g)
Spray Booth / Room, In GISO, §5153(a)
Spray Operation Requirements GISO, §5153(b)
Ventilation & Personal Protective Equipment GISO, §5153
Ventilation Rate GISO, §5153(e)
Washing Chamber GISO, §5448
SPRAY GUN, AIRLESS   GISO, §3559.1
SPREADER, General Requirements GISO, §4296(i), (j)
Circular Ripsaws     GISO, §4300(e) 
SPRINKLER SYSTEMS, Fire Suppression Systems  GISO, §6170
Building Occupancy, Conditional    GISO, §3215(g)
Blocking of, Prohibition     GISO, §6170(c)(10)
Construction sites, at  CSO, §1923
Foam-water systems  GISO, §6182 
SPROCKETS GEARS, Guarding of GISO, §4075
Headroom, Less Than 7 Feet   GISO, §4075(a)
Guarding  GISO, §4075(a)
SQUARING SHEARS, Metal Shears     GISO, §4227
STABILITY OF ADJACENT STRUCTURES, Excavations CSO, §1541(i)
STABBING BOARDS, Derricks & Masts PSO-D&P, §6570 
STACKING MATERIALS
Construction Operations, Stability of Stacks & Piles, per CSO  CSO, §1549
Maximum Safe Load Limits of Floors, Loading to  CSO, §1549(f)
General Industry, Stability, per GISO  GISO, §3241(c)
Maximum Safe Load Limits of Floors, Loading to  GISO, §3241(b)
Storage racks, designed to safely support Materials  GISO, §3241(c)
STAGING See also SCAFFOLDS
Wire-Rope Supported Staging CSO, §1666
STAGING, per SSO
Access  SSO, §8371
 Build-up SSO, §8364 
Construction of See SCAFFOLDING, per SSO
Floating  SSO, §8368
Levels, Intermediate SSO, §8369
Scaffolding, Interior SSO, §8366
Staging & Scaffolds, Pursuant to CSO  SSO, §8360
STAIR RAILINGS, per CSO  CSO, §1626(c)(4)
Illustration CSO, §1938, Appx B, Plates B-17
Temporary Stairs(ways) CSO, §1626(d)
STAIR RAILINGS, per GISO  GISO, §3214
Illustrated GISO, §3231, Figure E-1
STAIRS, per CSO 
Access & Egress CSO, §1629
Illustration CSO, §1938, Appx B, Plates B-17
Temporary Stairs(ways) CSO, §1626(d)
Use Prohibited, Skeleton of Stairway under Construction CSO, §1626(c)
Angle of rise CSO, §1626(b)(2)
Completion Of  CSO, §1629(b)(1)(A)
Guardrails CSO, §1626(c)
Hand railings  CSO, §1626(c)
Locations, required CSO, §1629(a)(1)
Prohibitions CSO, §1626(d)
Railings  CSO, §1626(c)
Skeleton of Stairway under Construction, Access Prohibited CSO, §1626(c)
Spiral Stairways, Prohibition  CSO, §1629(a)(6)
Temporary CSO, §1626(a), (f)
Toeboards  CSO, §1626(a)(2)
STAIRS, Stairways, per GISO 
Application & Scope GISO, §3234(a)
Altering Treads GISO, §3234(i)
Angle of rise GISO, §3234(e)
Fixed Industrial GISO, §3234
General Requirements GISO, §3231
Incline Illustrated GISO, §3231, Figure E-1
Handrails, railings GISO, §3234(g)
Handrails     GISO, §3214
Head clearance GISO, §3234(h)
Locations, required GISO, §3234(b)
Permanent Work Elevated Locations GISO, §3270(b)
Platforms, Size of GISO, §3234(f)
Railings GISO, §3234(g)
Rise, Angle of  GISO, §3234(e)
Strength of GISO, §3234(c)
Where Required GISO, §3234(b)
Width GISO, §3234(d)
STAIRS, Stairways, per SSO
Staging access  SSO, §8371
STAIRWAY CHAIR LIFTS, per ElevSO
Stairway Chairlifts, Group II, Contracted before 10-25-98 ElevSO, §3094
ASME A17-1993 Reference ElevSO, §3094.4
Electrical Wiring ElevSO, §3094.6
Existing Installations ElevSO, §3094.1
Maintenance ElevSO, §3094.5
Stairway Chairlifts, Group III, Contracted from 10-26-98 to 4-30-2008 
Comply with Group II Standard ElevSO, 3136
Stairway Chairlifts, Group IV, Contracted on or after 5-01-2008  ElevSO, §3142
STAIRWAY CHAIR LIFTS, per ESO
Application / Scope ESO-LV, §2562.1
Controllers, Motor 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
Multicar Controllers ESO-LV, §2562.6
Multiple Disconnecting Means ESO-LV, §2562.5
Multiple Driving Machines ESO-LV, §2562.3
Warning Sign 
STAIRWAY LIGHTING   GISO, §3317 
Skylight used as Lighting   GISO, §3317(c)
STAIRWAYS, per GISO  GISO, §3231
Incline Illustrated GISO, §3231, Figure E-1
STAIRWAYS, Manways & Runways, per MSO  MSO, §7044 
STAIRWAYS, Over Retaining Walls for Above Ground Tanks PSO-D&P, §6548
STAIRWAYS, SPIRAL, Prohibition, per CSO  CSO, §1629(a)(6)
STAIRWELLS & STAIRS  CSO, §1626
Railings & Toeboards, Around  CSO, §1626(a)(2)
STANDARD GUARDRAILS   
Illustration, Design GISO, §3209, Figure SG-1
Specification, Design, Guardrails GISO, §3209
STANDARD RAILINGS     CSO, §1621
Design & Construction     CSO, §1620
STANDARDS BOARD   See OSHSB Web Page
Definition of    See OSHSB, §403
Permanent Variances   See OSHSB, Article 2
Application for See OSHSB, §411
Posting of Applications & Proceedings See OSHSB, §411.3
STANDPIPES
Fixed Fire Fighting Equipment, per CSO  CSO, §1923(b)
Rotary & Circulating Hose, per PSO-D&P  PSO-D&P, §6609
STANDS, Reviewing & Grandstands GISO, §3239 
STAPLERS & NAILERS, Pneumatically-Driven     CSO, §1704
Definitions CSO, §1704(a)
General Safety Requirements CSO, §1704(b)
Disconnecting Requirement CSO, §1704(c)
Air Hose, Securing of CSO, §1704(d)
Safety Device CSO, §1704(e)
Code of Safe Practice Requirement CSO, §1704(f)
Trainers  CSO, §1704(g)
STATIC ELECTRICITY, Precautions
Dip Tank Operations GISO, §5431(b)
General Precautions GISO, §5168
Helicopter Operations CSO, §1904
Gas & Oil, Refining, Transport, Handling   PSO-R,T&H, §6775
Wells, Drilling & Production  PSO-D&P, §6523(a), (b)
STATIONARY INTERNAL COMBUSTION ENGINES  PSO-R,T&H, §6874
STATIONARY GRINDERS    GISO, §3576
STEAM ENGINES
Governor  GISO, §3511
Machine Guarding See GUARDING
Valve Gear GISO, §3512
STEAM HOSES, Live  GISO, §3300 
STEAM HOSES, Fire Prevention, per PSO-R,T&H  PSO-R,T&H, §6781
STEAM HOSES, and Supplies, per SSO SSO, §8378
STEAM KETTLES, Locking Devices, Food Service  GISO, §4537
STEARATES, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
STEEL ERECTION, Structural Steel CSO, §1710
Application & Scope CSO, §1710(a)
Beams & Columns CSO, §1710 (g)
Bolting CSO, §1716(b)
Bridging  CSO, §1710 (b), (h)(1)
Bridging terminus points, illustrations  CSO, §1710, Appx A
Erection Bridging for Long Span Joists CSO, §1710, Table B
Erection Bridging for Short Span Joists CSO, §1710, Table A
Column anchorage CSO, §1710 (f)
Construction sequence & Site layout CSO, §1710(c)
Controlled Decking Zone (CDZ) CSO, §1710(n) 
Custody of guardrail systems CSO, §1710(o) 
Definitions CSO, §1710(b)
Engineered Systems, Metal buildings CSO, §1710 (i)
Erection  CSO, §1710
Bridging terminus points, illustrations  CSO, §1710, Appx A
Double connections, illustrations  CSO, §1710, Appx B
Erection Bridging for Long Span Joists CSO, §1710, Table B
Erection Bridging for Short Span Joists CSO, §1710, Table A
Site-specific plan,  CSO, §1710, Appx C
Erection Plan, Site-Specific, Guidelines CSO, §1710, Appendix C
Falling object protection CSO, §1710 (j)
Fall Protection, Inside Controlled Decking Zone CSO, §1710(n)
Fall Protection, Guard railing CSO, §1710(o)
Flooring 
Permanent, in Tiered Buildings CSO, §1710 (k)
Temporary, in Multistory Buildings CSO, §1710(l)
Guard railing  CSO, §1710(l)(3)
Controlled Decking Zone instead of Guardrails CSO, §1710(n)
Custody of CSO, §1710(o)
Inspection of CSO, §1710(o)
Midrail Protection CSO, §1710(l)(4)
Net instead of Guard Railing CSO, §1710(l)(2)
Wire Rope, Guard Railing CSO, §1710(l)(3)
Custody of CSO, §1710(o)
Inspection of CSO, §1710(o)
Net instead of Guard Railing CSO, §1710(l)(2)
Wire Rope, Guard Railing CSO, §1710(l)(3)
Hoisting & rigging CSO, §1710(d)
Illustrations
Bridging Terminus Points  CSO, §1710, Appendix A
Double Connections  CSO, §1710, Appendix B
Site-Specific Erection Plan, Guidelines CSO, §1710, Appendix C
Open web steel joists CSO, §1710 (h)
Material Piles / Stacks, Stabilizing CSO, §1549(c) 
Plumbing Up CSO, §1716(d)
Riding on Loads      CSO, §1718
Riveting CSO, §1716(c)
Site layout & Construction sequence CSO, §1710(c)
Site-Specific Erection Plan, Guidelines CSO, §1710, Appendix C
Skeleton Steel, Traveling on CSO, §1710 (m)
Skylight fixtures, Limits of CSO, §1710(p)
Smoke dome, Limits of CSO, §1710(p)
Steel Frame, Light Gage Construction     CSO, §1716.2
Systems-engineered metal buildings CSO, §1710 (i)
Training CSO, §1710 (q)
Traveling on the Skeleton Steel CSO, §1710 (m)
Walking/working surfaces CSO, §1710(e)
Walking & Working on the Skeleton Steel CSO, §1710 (m)
STEEL FRAME, Light Gage Construction      CSO, §1716.2 
STEP LADDER See also PORTABLE LADDER GISO, §3276
Construction Requirements GISO, §3276(c) 
Definitions GISO, §3276(b)
Prohibited Use GISO, §3276(e)(15)(E)-(F) & (16)
Sitting, Kneeling or Stepping on topcap, pail shelf or next lower step prohibited GISO, §3287(a)(12)(B)
Exception: Steps 18" Below Topcap GISO, §3287(a)(12)(B)
STEP STOOL (ladder type) 
Definition GISO, §3276(b)
Design & Construction GISO, §3276(c)(5)
Scope GISO, §3276(a)
STERILIZING LAMPS, Protection from Ultraviolet Radiation  GISO, §5079 
STIBINE
Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
Process safety management GISO, §5189, Appx A
STICKING MACHINES, Woodworking GISO, §4318
STILTS, Prohibition CSO, §1637(j)
STODDARD SOLVENT, Airborne Contaminant, Exposure limit GISO, §5155, & Appx A
Listed, Permissible Exposure Limits GISO, §5155, Table AC-1
STOKES BASKET/ Basket Stretcher GISO, §3400(e)
Construction Operations CSO, §1512(h)
Logging Operations LSSO, §6251(b)
Marine Terminal Operations GISO, §3464(b)(4)
Mining Operations LSSO, §6969(a), (b)
Tunneling Operations TSO, §8420(a)(1)
STONE, CLAY & GLASS WORKING MACHINES GISO, Article 73
Chasers & Similar Mixing & Grinding Mills GISO, §4626
Mullers & Similar Mixing & Grinding Mills GISO, §4626
Pug Mills  GISO, §4625
Wet & Dry Pans  GISO, §4626
STONEMASONS, Scaffolds See also SCAFFOLDS
Heavy Duty Wooden Pole Scaffolding CSO, §1641
Outrigger & Bracket Scaffolding CSO, §1645
Suspended scaffolding CSO, §1659
STONE WORKING MACHINES GISO, Article 73
Chasers & Similar Mixing & Grinding Mills GISO, §4626
Mullers & Similar Mixing & Grinding Mills GISO, §4626
Pug Mills  GISO, §4625
Wet & Dry Pans  GISO, §4626
STOPES, Underground Mining MSO, §7050
STOP SIGNS, Blue, Railroad Safety GISO, §3333
STORAGE
Acetylene & Oxygen Cylinders  CSO, §1740(g)
Air & Gas Cylinders GISO, §4650
Barriers, Oxygen & Fuel Cylinders GISO, §4650(d)
Combustible Materials, Away from