As used in this chapter, unless a different meaning is plainly required by the context:

(1) The terms “authorized,” “approved,” or “approval” shall be held to mean authorized, approved, or approval by the department of labor and industries.

(2) The term “blasting agent” shall be held to mean and include any material or mixture consisting of a fuel and oxidizer, that is intended for blasting and not otherwise defined as an explosive; if the finished product, as mixed for use or shipment, cannot be detonated by means of a number 8 test blasting cap when unconfined. A number 8 test blasting cap is one containing two grams of a mixture of eighty percent mercury fulminate and twenty percent potassium chlorate, or a blasting cap of equivalent strength. An equivalent strength cap comprises 0.40-0.45 grams of PETN base charge pressed in an aluminum shell with bottom thickness not to exceed 0.03 of an inch, to a specific gravity of not less than 1.4 g/cc., and primed with standard weights of primer depending on the manufacturer.

(3) The term “dealer” shall be held to mean and include any person who purchases explosives or blasting agents for the sole purpose of resale, and not for use or consumption.

(4) The term “efficient artificial barricade” shall be held to mean an artificial mound or properly revetted wall of earth of a minimum thickness of not less than three feet or such other artificial barricade as approved by the department of labor and industries.

(5) The term “explosive” or “explosives” whenever used in this chapter, shall be held to mean and include any chemical compound or mechanical mixture that is commonly used or intended for the purpose of producing an explosion, that contains any oxidizing and combustible units, or other ingredients, in such proportions, quantities, or packing, that an ignition by fire, by friction, by concussion, by percussion, or by detonation of any part of the compound or mixture may cause such a sudden generation of highly heated gases that the resultant gaseous pressures are capable of producing destructive effects on contiguous objects or of destroying life or limb. In addition, the term “explosives” shall include all material which is classified as division 1.1, 1.2, 1.3, 1.4, 1.5, or 1.6 explosives by the United States department of transportation. For the purposes of this chapter, small arms ammunition, small arms ammunition primers, smokeless powder not exceeding fifty pounds, and black powder not exceeding five pounds shall not be defined as explosives, unless possessed or used for a purpose inconsistent with small arms use or other lawful purpose.

(6) Classification of explosives shall include, but not be limited to, the following:

(a) DIVISION 1.1 and 1.2 EXPLOSIVES: Possess mass explosion or detonating hazard and include dynamite, nitroglycerin, picric acid, lead azide, fulminate of mercury, black powder exceeding five pounds, blasting caps in quantities of 1001 or more, and detonating primers.

(b) DIVISION 1.3 EXPLOSIVES: Possess a minor blast hazard, a minor projection hazard, or a flammable hazard and include propellant explosives, including smokeless powder exceeding fifty pounds.

(c) DIVISION 1.4, 1.5, and 1.6 EXPLOSIVES: Include certain types of manufactured articles which contain division 1.1, 1.2, or 1.3 explosives, or all, as components, but in restricted quantities, and also include blasting caps in quantities of 1000 or less.

(7) The term “explosive-actuated power devices” shall be held to mean any tool or special mechanized device which is actuated by explosives, but not to include propellant-actuated power devices.

(8) The term “explosives manufacturing building,” shall be held to mean and include any building or other structure (excepting magazines) containing explosives, in which the manufacture of explosives, or any processing involving explosives, is carried on, and any building where explosives are used as a component part or ingredient in the manufacture of any article or device.

(9) The term “explosives manufacturing plant” shall be held to mean and include all lands, with the buildings situated thereon, used in connection with the manufacturing or processing of explosives or in which any process involving explosives is carried on, or the storage of explosives thereat, as well as any premises where explosives are used as a component part or ingredient in the manufacture of any article or device.

(10) The term “forbidden or not acceptable explosives” shall be held to mean and include explosives which are forbidden or not acceptable for transportation by common carriers by rail freight, rail express, highway, or water in accordance with the regulations of the federal department of transportation.

(11) The term “fuel” shall be held to mean and include a substance which may react with the oxygen in the air or with the oxygen yielded by an oxidizer to produce combustion.

(12) The term “handloader” shall be held to mean and include any person who engages in the noncommercial assembling of small arms ammunition for his or her own use, specifically the operation of installing new primers, powder, and projectiles into cartridge cases.

(13) The term “handloader components” means small arms ammunition, small arms ammunition primers, smokeless powder not exceeding fifty pounds, and black powder as used in muzzle loading firearms not exceeding five pounds.

(14) The term “highway” shall be held to mean and include any public street, public alley, or public road, including a privately financed, constructed, or maintained road that is regularly and openly traveled by the general public.

(15) The term “improvised device” means a device which is fabricated with explosives or destructive, lethal, noxious, pyrotechnic, or incendiary chemicals and which is designed, or has the capacity, to disfigure, destroy, distract, or harass.

(16) The term “inhabited building,” shall be held to mean and include only a building regularly occupied in whole or in part as a habitation for human beings, or any church, schoolhouse, railroad station, store, or other building where people are accustomed to assemble, other than any building or structure occupied in connection with the manufacture, transportation, storage, or use of explosives.

(17) The term “magazine,” shall be held to mean and include any building or other structure, other than an explosives manufacturing building, used for the storage of explosives.

(18) The term “motor vehicle” shall be held to mean and include any self-propelled automobile, truck, tractor, semi-trailer or full trailer, or other conveyance used for the transportation of freight.

(19) The term “natural barricade” shall be held to mean and include any natural hill, mound, wall, or barrier composed of earth or rock or other solid material of a minimum thickness of not less than three feet.

(20) The term “oxidizer” shall be held to mean a substance that yields oxygen readily to stimulate the combustion of organic matter or other fuel.

(21) The term “person” shall be held to mean and include any individual, firm, partnership, corporation, company, association, society, joint stock company, joint stock association, and including any trustee, receiver, assignee, or personal representative thereof.

(22) The term “propellant-actuated power device” shall be held to mean and include any tool or special mechanized device or gas generator system which is actuated by a propellant or which releases and directs work through a propellant charge.

(23) The term “public conveyance” shall be held to mean and include any railroad car, streetcar, ferry, cab, bus, airplane, or other vehicle which is carrying passengers for hire.

(24) The term “public utility transmission system” shall mean power transmission lines over 10 KV, telephone cables, or microwave transmission systems, or buried or exposed pipelines carrying water, natural gas, petroleum, or crude oil, or refined products and chemicals, whose services are regulated by the utilities and transportation commission, municipal, or other publicly owned systems.

(25) The term “purchaser” shall be held to mean any person who buys, accepts, or receives any explosives or blasting agents.

(26) The term “pyrotechnic” shall be held to mean and include any combustible or explosive compositions or manufactured articles designed and prepared for the purpose of producing audible or visible effects which are commonly referred to as fireworks as defined in chapter 70.77 RCW.

(27) The term “railroad” shall be held to mean and include any steam, electric, or other railroad which carries passengers for hire.

(28) The term “small arms ammunition” shall be held to mean and include any shotgun, rifle, pistol, or revolver cartridge, and cartridges for propellant-actuated power devices and industrial guns. Military-type ammunition containing explosive bursting charges, incendiary, tracer, spotting, or pyrotechnic projectiles is excluded from this definition.

(29) The term “small arms ammunition primers” shall be held to mean small percussion-sensitive explosive charges encased in a cup, used to ignite propellant powder and shall include percussion caps as used in muzzle loaders.

(30) The term “smokeless powder” shall be held to mean and include solid chemicals or solid chemical mixtures in excess of fifty pounds which function by rapid combustion.

(31) The term “user” shall be held to mean and include any natural person, manufacturer, or blaster who acquires, purchases, or uses explosives as an ultimate consumer or who supervises such use.

Words used in the singular number shall include the plural, and the plural the singular.

Reviser’s note: The definitions in this section have been alphabetized pursuant to RCW 1.08.015(2)(k).

Severability—2002 c 370: See note following RCW 70.77.126.

Severability—1993 c 293: “If any provision of this act or its application to any person or circumstance is held invalid, the remainder of the act or the application of the provision to other persons or circumstances is not affected.” [ 1993 c 293 § 11.]

Severability—1931 c 111: “In case any provision of this act shall be adjudged unconstitutional, or void for any other reason, such adjudication shall not affect any of the other provisions of this act.” [ 1931 c 111 § 19.]