Washington Administrative Code

(1) Design.(a) Containers.(i) You must ensure that hydrogen containers comply with one of the following:(A) Designed, constructed, and tested in accordance with appropriate requirements of ASME Boiler and Pressure Vessel Code, Section VIII—Unfired Pressure Vessels—1968.(B) Design…

(1) Design.(a) Containers.(i) You must ensure that hydrogen containers comply with the following: Storage containers be designed, constructed, and tested in accordance with appropriate requirements of the ASME Boiler and Pressure Vessel Code, Section VIII—Unfired Pressure Vessels…

[Order 73-5, § 296-24-320, filed 5/9/73 and Order 73-4, § 296-24-320, filed 5/7/73.]

This section applies to the installation of bulk oxygen systems on industrial and institutional consumer premises. This section does not apply to oxygen manufacturing plants or other establishments operated by the oxygen supplier or supplier's agent for the purpose of storing oxy…

(1) Definitions. As used in this section: A bulk oxygen system is an assembly of equipment, such as oxygen storage containers, pressure regulators, safety devices, vaporizers, manifolds, and interconnecting piping, which has storage capacity of more than 13,000 cubic feet of oxyg…

You must ensure that the piped systems for the in-plant transfer and distribution of nitrous oxide are designed, installed, maintained, and operated in accordance with Compressed Gas Association Pamphlet G8.1-1964.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.…

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and 29 C.F.R. 1910 Subpart Z. WSR 14-07-086, § 296-24-330, filed 3/18/14, effective 5/1/14; Order 73-5, § 296-24-330, filed 5/9/73 and Order 73-4, § 296-24-330, filed 5/7/73.]

The following definitions are applicable to all sections of this chapter which include WAC 296-24-330 in the section number.Aerosol. A material which is dispensed from its container as a mist, spray, or foam by a propellant under pressure.Approved. Unless otherwise indicated, app…

This section applies to the handling, storage, and use of flammable liquids with a flash point at or below 199.4°F (93°C). This section does not apply to:(1) Bulk transportation of flammable liquids;(2) Storage, handling, and use of fuel oil tanks and containers connected with oi…

(1) Design and construction of tanks.(a) Materials.(i) Tanks must be built of steel except as provided in (a)(ii) through (v) of this subsection.(ii) Tanks may be built of materials other than steel for installation underground or if required by the properties of the liquid store…

(1) General.(a) Design. The design (including selection of materials) fabrication, assembly, test, and inspection of piping systems containing flammable liquids must be suitable for the expected working pressures and structural stresses. Conformity with the applicable provisions …

(1) Scope.(a) General. This section must apply only to the storage of flammable liquids in drums or other containers (including flammable aerosols) not exceeding 60 gallons individual capacity and those portable tanks not exceeding 660 gallons individual capacity.(b) Exceptions. …

(1) Scope.(a) Application. This section applies to those industrial plants where:(i) The use of flammable liquids is incidental to the principal business, or(ii) Where flammable liquids are handled or used only in unit physical operations such as mixing, drying, evaporating, filt…

(1) Storage.(a) Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100°F (37.8°C). You must store Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100°F (37.8°C), in closed containers, or in storage…

(1) Storage and handling.(a) General provisions.(i) You must store liquids in approved closed containers not exceeding 60 gallons capacity, in tanks located underground, in tanks in special enclosures as described in (b) of this subsection, or in aboveground tanks as provided for…

(1) Scope. This section applies to those plants or buildings which contain chemical operations such as oxidation, reduction, halogenation, hydrogenation, alkylation, polymerization, and other chemical processes but does not apply to chemical plants, refineries or distilleries.(2)…

(1) Storage tanks. You must store flammable liquids in tanks, in containers, or in portable tanks. You must install tanks in accordance with WAC 296-24-33005. You must locate tanks for the storage of flammable liquids in tank farms and in locations other than process areas in acc…

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and 29 C.F.R. 1910 Subpart Z. WSR 14-07-086, § 296-24-370, filed 3/18/14, effective 5/1/14; Order 73-5, § 296-24-370, filed 5/9/73 and Order 73-4, § 296-24-370, filed 5/7/73.]

Aerated solid powders. Aerated powders shall mean any powdered material used as a coating material which shall be fluidized within a container by passing air uniformly from below. It is common practice to fluidize such materials to form a fluidized powder bed and then dip the par…

(1) Construction. Spray booths must be substantially constructed of steel, securely and rigidly supported, or of concrete or masonry except that aluminum or other substantial noncombustible material may be used for intermittent or low volume spraying. Spray booths must be designe…

(1) Conformance. All electrical equipment, open flames and other sources of ignition must conform to the requirements of this section, except as follows:(a) Electrostatic apparatus must conform to the requirements of WAC 296-24-37015 and 296-24-37017.(b) Drying, curing, and fusio…

(1) Conformance. Ventilating and exhaust systems must be in accordance with the Standard for Blower and Exhaust Systems for Vapor Removal, NFPA No. 91-1961, where applicable and must also conform to the provisions of this section.(2) General. You must provide all spraying areas w…

(1) Conformance. The storage of flammable liquids with a flashpoint greater than 199.4°F (93°C) in connection with spraying operations must conform to the requirements of WAC 296-24-330, where applicable.(2) Quantity. The quantity of flammable liquids or liquids with a flashpoint…

(1) Conformance. In sprinklered buildings, the automatic sprinkler system in rooms containing spray finishing operations must conform to the requirements of WAC 296-24-607. In unsprinklered buildings where sprinklers are installed only to protect spraying areas, the installation …

(1) Spraying. You must not conduct spraying outside of predetermined spraying areas.(2) Cleaning. You must keep all spraying areas as free from the accumulation of deposits of combustible residues as practical, with cleaning conducted daily if necessary. Scrapers, spuds, or other…

(1) Conformance. Where installation and use of electrostatic spraying equipment is used, such installation and use must conform to all other requirements contained in WAC 296-24-370 through 296-24-37027.(2) Type approval. Electrostatic apparatus and devices used in connection wit…

(1) Application. This section must apply to any equipment using electrostatically charged elements for the atomization and/or, precipitation of materials for coatings on articles, or for other similar purposes in which the atomizing device is hand held and manipulated during the …

(1) Conformance. Drying, curing, or fusion apparatus in connection with spray application of flammable and combustible finishes must conform to the Standard for Ovens and Furnaces, NFPA 86A-1969, where applicable and must also conform with the following requirements of this secti…

Automobile undercoating spray operations in garages, conducted in areas having adequate natural or mechanical ventilation, are exempt from the requirements pertaining to spray finishing operations, when using undercoating materials not more hazardous than kerosene (as listed by U…

(1) Electrical and other sources of ignition. Electrical equipment and other sources of ignition must conform to the requirements of WAC 296-24-37005 and chapter 296-24 WAC Part L.(2) Ventilation.(a) In addition to the provisions of WAC 296-24-37007, where applicable, exhaust ven…

(1) Conformance. You must conduct all spraying operations involving the use of organic peroxides and other dual component coatings in approved sprinklered spray booths meeting the requirements of this section.(2) Smoking. You must prohibit smoking and prominently display "no smok…

This section applies to flammable and combustible finishing materials when applied as a spray by compressed air, "airless" or "hydraulic atomization," steam, electrostatic methods, or by any other means in continuous or intermittent processes. The section also covers the applicat…

Ventilation, storage of tanks and use of tanks must meet specifications of The Chlorine Manual, The Chlorine Institute, Inc., fifth edition, 1986.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-450, filed 12/1/15, effective 1/5/16…

[Order 73-5, § 296-24-475, filed 5/9/73 and Order 73-4, § 296-24-475, filed 5/7/73.]

API-ASME container. A container constructed in accordance with the requirements of WAC 296-24-47505 (3)(a).Approved. Unless otherwise indicated, listing or approval by a nationally recognized testing laboratory. Refer to 29 C.F.R. 1910.7 for definition of nationally recognized te…

(1) Application.(a) WAC 296-24-47505 applies to installations made in accordance with the requirements of WAC 296-24-47507 through 296-24-47511, 296-24-47515 and 296-24-47517, except as noted in each of those sections.(b) WAC 296-24-47507 through 296-24-47517 apply as provided in…

(1) Odorizing gases.(a) You must effectively odorize all liquefied petroleum gases by an approved agent of such character as to indicate positively, by distinct odor, the presence of gas down to concentration in air of not over one-fifth the lower limit of flammability. Odorizati…

(1) Application. This section applies specifically to systems utilizing containers constructed in accordance with DOT specifications. All requirements of WAC 296-24-47505 apply to this section unless otherwise noted in WAC 296-24-47505.(2) Marking of containers. You must mark con…

(1) Application. This section applies specifically to systems utilizing storage containers other than those constructed in accordance with DOT specifications. WAC 296-24-47505 of this section applies to this section unless otherwise noted in WAC 296-24-47505.(2) Design pressure a…

(1) Application.(a) This section applies to internal combustion engines, fuel containers, and pertinent equipment for the use of liquefied petroleum gases as a motor fuel on easily movable, readily portable units including self-propelled vehicles.(b) Fuel containers and pertinent…

(1) Application. This section applies to the storage of portable containers not in excess of one thousand pounds water capacity, filled or partially filled, at user location but not connected for use, or in storage for resale by dealers or resellers. This section does not apply t…

(1) Application. This section applies to storage containers, and dispensing devices, and pertinent equipment in service stations where LP-gas is stored and is dispensed into fuel tanks of motor vehicles. See WAC 296-24-47511 for requirements covering use of LP-gas as a motor fuel…

Approved. For the purposes of chapter 296-24 WAC, Parts G-1, G-2 and G-3, approved means listed or approved equipment by a nationally recognized testing laboratory. Refer to WAC 296-24-58503 (3)(c)(iv)(A) for definition of listed, and federal regulation 29 C.F.R. 1910.7 for natio…

You must ensure that all automatic sprinkler systems are continuously maintained in reliable operating condition at all times, and such periodic inspections and tests are made as are necessary to assure proper maintenance.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050,…

You must ensure that fire alarm signaling systems are maintained and tested in accordance with the requirements of WAC 296-800-31080.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-56527, filed 12/1/15, effective 1/5/16; WSR 04-07…

(1) Emergency action plan.(a) Scope and application. This subdivision applies to all emergency action plans required by a particular DOSH standard. You must put the emergency action plan in writing, and it must cover those designated actions employers and employees must take to e…

This appendix serves as a nonmandatory guideline to assist employers in complying with the appropriate requirements.(1) Employee emergency plans. Emergency action plan elements. The emergency action plan should address emergencies that the employer may reasonably expect in the wo…

[Order 73-5, § 296-24-585, filed 5/9/73 and Order 73-4, § 296-24-585, filed 5/7/73.]

Class A fires. Fires in ordinary combustible materials, such as wood, cloth, paper, and rubber.Class B fires. Fires in flammable liquids, gases, and greases.Class C fires. Fires which involve energized electrical equipment where the electrical nonconductivity of the extinguishing…

(1) Scope. This section contains requirements for fire brigades, and all portable and fixed fire suppression equipment, fire detection systems, and fire or employee alarm systems installed to meet the fire protection requirements of this chapter.(2) Application. This section appl…