Abrasive Blasting

Chapter 296-818, WAC

Effective Date: 09/01/06

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a

Application, chapter scope, 818-100
Abrasive blasting
combustible organic, 818-30010
operations, 818-20005, 818-20010
personal protective equipment (PPE), 818-20010
separator, 818-40015
Access blast cleaning enclosures, doors and openings, table 2, 818-30010
Accumulated dust, exhaust ventilation systems, 818-40015
Air flow, blast cleaning enclosures, 818-30010
Air inlets, and access openings, blast cleaning enclosures, table 2, 818-30010
Airborne contaminants, blast cleaning enclosures, 818-30010
Aisles, clear, housekeeping, 818-20015
American National Standards Institute (ANSI), exhaust ventilation systems, 818-40005
Aprons, personal protective equipment (PPE), table 1, 818-20010
Automatic blast cleaning systems, combustible organic abrasives, 818-30005

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B
Blast cleaning enclosures and recommended inward air velocities, helpful tool
Blast cleaning
enclosures, table 2, 818-30010
equipment, discharging air, 818-40015
nozzles, 818-30015
rooms, personal protective equipment,tabel 1, 818-20010
Blasting operations
combustible organic abrasives, 818-30005
dust hazards, 818-20005

Bonded and grounded, blast cleaning nozzles, 818-30015

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C

Chapter application, scope, 818-100
Cleaning nozzles, blast, 818-30015
Clean-up, spills, housekeeping, 818-20015
Coatings, dust hazards, 818-20005
Concrete surfaces (note), 818-20010
Collecting equipment, exhaust ventilation systems, 818-40015
Combustible organic abrasives, 818-30005
Composition and toxicity, abrasive blasting operations, 818-20005
Contaminated air, 818-30010
Construction, exhaust ventilation systems, 818-40005

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D

Definitions, 818-500
Design and operation, ventilation systems, 818-30010
Discharging air, blast cleaning equipment, 818-40015
Doors, blast cleaning enclosures, table 2, 818-30010
Dust

combustible organic abrasives, 818-30005
collecting equipment, exhaust ventilation systems, 818-40015
concentrations, permissible exposure limits, 818-20005
disposal, 818-40015
escaping, blast cleaning enclosures, 818-30010
explosion, 818-20005, 818-30005, 818-40010
hazards, respiratory, 818-20005, 818-20010, 818-30005, 818-40005
spills, housekeeping, 818-20015
leaks, exhaust ventilation systems, 818-40015

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E

Equipment, dust collecting, 818-40015
Equivalent protection, personal protective equipment (PPE), table 1, 818-20010
Enclosures, blast cleaning, 818-30010
Exhaust discharge, blast cleaning enclosures, 818-30010
Exhaust system, make-up air systems, 818-30010
Exhaust ventilation systems, all requirements, 818-400 - 818-40015
Exhausted air, 818-30010
Explosion, dust hazards, 818-20005
Explosion venting and wiring, table 3, 818-40010
Explosive dust mixtures, 818-30005
Eye protection, personal protective equipment (PPE), table 1, 818-20010

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F

Face protection, personal protective equipment (PPE), table 1, 818-20010
Filtering face piece, 818-20010
Fire dust hazards, 818-20005, 818-30005, 818-40005
Flammable or explosive dust mixtures, 818-30005; 818-40010

 

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G

Gloves, personal protective equipment (PPE), table 1, 818-20010
Grounded and bonded, blast cleaning nozzles, 818-30015

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H
Hazards, health
blast cleaning enclosures, 818-30010
combustible organic abrasives, 818-30005
construction, 818-40005
dust hazards, 818-20005
personal protective equipment (PPE), 818-20010
Helpful tools, R-1-6
Housekeeping, 818-20015

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I

Inspection and maintenance, exhaust ventilation systems, 818-40015
Installation, exhaust ventilation systems, 818-40005, 818-40015

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L

Leaks, dust, exhaust systems, 818-40015

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M

Maintenance and inspection, exhaust ventilation systems, 818-40015
Make-up air systems, exhaust system, 818-30010
Mounting, blast cleaning nozzles, 818-30015

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N

National Fire Protection Association (NFPA), exhaust ventilation systems, 818-40005
Nozzles

blast cleaning, 818-30015
combustible organic abrasives, 818-30005

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O

Observation window, blast cleaning enclosures, table 2, 818-30010
Openings, blast cleaning enclosures, 818-30010
Operating valves, blast cleaning nozzles, 818-30015
Operations, abrasive blasting, 818-300818-30015
Organic combustible abrasives, 818-30005

 

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P

Permissible exposure limits
dust hazards, 818-20005
personal protective equipment (PPE), 818-20010
blast cleaning enclosures, 818-30010
Personal protective equipment (PPE), 818-20005; table 1, 818-20010
Pressure drop gauge, 818-40015
Prohibitions

combustible organic abrasives, 818-30005
dust accumulations, 818-20015

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R

Rebounding, 818-20010
Relief valve (note), 818-30015
Repair and cleaning, exhaust ventilation systems, 818-40015
Replacement, exhausted air, 818-30010
Respirators, personal protective equipment (PPE), 818-20010

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S

Safety, general, all requirements, 818-200
Sampling for airborne contaminant concentrations, helpful tool, R-3
Scope, chapter application, 818-100
Shot, steel, 818-20015
Slipping hazards, housekeeping, 818-20015
Small access openings, blast cleaning enclosures, table 2, 818-30010
Static pressure drop, exhaust ventilation systems, 818-40015
Supply, personal protective equipment (PPE), 818-20010

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T

Tables
blast cleaning enclosures, table 2, 818-30010
explosion venting and wiring, table 3, 818-40010
personal protective equipment (PPE), table 1, 818-20010
Tempered make-up, exhausted air, 818-30010
Toxicity, abrasive blasting operations, 818-20005
Types of abrasives used for blasting operations, helpful tool, R-4
Types of coatings removed in blasting operations, helpful tool, R-5

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V

Ventilation systems, 818-30010
Venting, explosion, table 3, 818-40010
Visibility, blast cleaning enclosures, 818-30010

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Walkways, clear, housekeeping, 818-20015
Wet blasting methods, 818-20005
Window, observation, blast cleaning enclosures, table 2, 818-30010
Wiring, explosion, table 3, 818-40010

 

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