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The following selected definitions are taken from the Washington State Dangerous Waste Regulations - WAC 173-303-040 Exit Ecology and the 1998 Dangerous Waste Annual Report, Book 2, Guidebook and Codes:
"Accumulation" A generator may accumulate dangerous waste for a short period of time before shipping it off-site. The waste must be accumulated in either tanks or containers. Accumulation does not constitute "storage," a dangerous waste activity that requires a permit (see storage). The generator does not need to obtain a storage permit if he/she complies with the applicable requirements of WAC 173-303-200 and 173-303-201, as outlined below.
• Large Quantity Generators may accumulate their waste for up to 90 days before shipping it off-site.
• Medium Quantity Generators may accumulate their waste for up to 180 days before shipping it off-site. If the nearest treatment, storage, disposal, or recycling facility to which they can send their waste is more than 200 miles away, MQGs may request that Ecology grant a 90-day extension to this 180-day period.
• Small Quantity Generators may accumulate dangerous waste and extremely hazardous waste without a permit and without any time limit, as long as the Quantity Exclusion Limit is never exceeded for any waste or combination of wastes.
"Acute hazardous waste" means dangerous waste sources (listed in WAC 173-303-9904) F020, F021, F022, F023, F026, or F027, and discarded chemical products (listed in WAC 173-303-9903) that are identified with a dangerous waste number beginning with a "P", including those wastes mixed with source, special nuclear, or by-product material subject to the Atomic Energy Act of 1954. Note - the terms acute and acutely are used interchangeably.
"Batch" means any waste which is generated less frequently than once a month.
"Battery" means a device consisting of one or more electrically connected electrochemical cells which is designed to receive, store, and deliver electric energy. An electrochemical cell is a system consisting of an anode, cathode, and an electrolyte, plus such connections (electrical and mechanical) as may be needed to allow the cell to deliver or receive electrical energy. The term battery also includes an intact, unbroken battery from which the electrolyte has been removed.
"Boiler" means an enclosed device using controlled flame combustion and having the following characteristics:
The unit must have physical provisions for recovering and exporting thermal energy in the form of steam, heated fluids, or heated gases; and
The unit's combustion chamber and primary energy recovery section(s) must be of integral design. To be of integral design, the combustion chamber and the primary energy recovery section(s) (such as waterwalls and superheaters) must be physically formed into one manufactured or assembled unit. A unit in which the combustion chamber and the primary energy recovery section(s) are joined only by ducts or connections carrying flue gas is not integrally designed; however, secondary energy recovery equipment (such as economizers or air preheaters) need not be physically formed into the same unit as the combustion chamber and the primary energy recovery section. The following units are not precluded from being boilers solely because they are not of integral design: Process heaters (units that transfer energy directly to a process stream), and fluidized bed combustion units; and
While in operation, the unit must maintain a thermal energy recovery efficiency of at least sixty percent, calculated in terms of the recovered energy compared with the thermal value of the fuel; and
The unit must export and utilize at least seventy-five percent of the recovered energy, calculated on an annual basis. In this calculation, no credit will be given for recovered heat used internally in the same unit. (Examples of internal use are the preheating of fuel or combustion air, and the driving of induced or forced draft fans or feedwater pumps); or
The unit is one which the department has determined, on a case-by-case basis, to be a boiler, after considering the standards in WAC 173-303-017(6).
"By-product" means a material that is not one of the primary products of a production process and is not solely or separately produced by the production process. Examples are process residues such as slags or distillation column bottoms. The term does not include a co-product that is produced for the general public's use and is ordinarily used in the form it is produced by the process.
"CFR" see Code of Federal Regulations.
"Carcinogenic" means a material known to contain a substance which has sufficient or limited evidence as a human or animal carcinogen as listed in both IARC and either IRIS or HEAST.
"Closed loop recycling system" means a production system in which secondary materials are reclaimed, returned to, and reused in the original production process or processes from which they were generated, PROVIDED:
• the material (typically solvent) is contained in a tank or tanks, and the process, storage, and reclamation tanks are completely enclosed and connected (e.g., by pipes);
• the spent materials (solvents) are never accumulated in such tanks for over twelve months without being reclaimed;
• reclamation does not involve controlled flame combustion (e.g., burning or incineration that occurs in boilers, industrial furnaces, or incinerators);
• the reclaimed material is not used to produce a fuel or used to produce products that are used in a manner constituting disposal; and
• all dangerous waste residues (e.g., still bottoms, sludges) from the production/reclamation process go to a permitted treatment, storage, and disposal facility or to a legitimate recycler. (If the generator can demonstrate that the residues do not exhibit any dangerous waste characteristics [WAC 173-303-090] or criteria [WAC 173-303-100] and provided that the original waste was not listed, then the residues are exempted from this condition; if the original waste was listed, then the residue is also listed.)
Degreasing processes are not considered production processes, and the reclaimed degreasing solvent, when subsequently used as a degreaser, is not feedstock. Therefore, a degreasing process would NOT fit the criteria for a closed loop recycling system.
"Code of Federal Regulations" the detailed regulations, written by Federal agencies, that implement the provisions of laws passed by Congress. Regulations in the CFR have the force of Federal law. Federal hazardous waste regulations are found in 40 CFR Parts 260 through 279.
"Commercial chemical product or manufacturing chemical intermediate" refers to a chemical substance which is manufactured or formulated for commercial or manufacturing use which consists of the commercially pure grade of the chemical, any technical grades of the chemical that are produced or marketed, and all formulations in which the chemical is the sole active ingredient.
"Commercial fertilizer" means any substance containing one or more recognized plant nutrients and which is used for its plant nutrient content and/or which is designated for use or claimed to have value in promoting plant growth, and includes, but is not limited to, limes, gypsum, and manipulated animal manures and vegetable compost. The commercial fertilizer must be registered with the state or local agency regulating the fertilizer in the locale in which the fertilizer is being sold or applied.
"Constituent" or "dangerous waste constituent" means a chemically distinct component of a dangerous waste stream or mixture.
"Container" means any portable device in which a material is stored, transported, treated, disposed of, or otherwise handled.
"Dangerous waste constituents" means those constituents listed in WAC 173-303-9905 and any other constituents that have caused a waste to be a dangerous waste under this chapter.
"Dangerous wastes" means those solid wastes designated in WAC 173-303-070 through 173-303-100 as dangerous, or extremely hazardous or mixed waste. (See also "extremely hazardous waste," "hazardous waste," and "mixed waste" definitions.)
"Debris" means solid material exceeding a 60 mm particle size that is intended for disposal and that is: A manufactured object; or plant or animal matter; or natural geologic material. However, the following materials are not debris: Any material for which a specific treatment standard is provided in 40 CFR Part 268 Subpart D (incorporated by reference in WAC 173-303-140 (2)(a)); process residuals such as smelter slag and residues from the treatment of waste, wastewater, sludges, or air emission residues; and intact containers of hazardous waste that are not ruptured and that retain at least seventy-five percent of their original volume. A mixture of debris that has not been treated to the standards provided by 40 CFR 268.45 and other material is subject to regulation as debris if the mixture is comprised primarily of debris, by volume, based on visual inspection.
"Department" means the department of ecology.
"Dermal LD50" means the single dosage in milligrams per kilogram (mg/kg) body weight which, when dermally (skin) applied for 24 hours, within 14 days kills half of a group of ten rabbits each weighing between 2.0 and 3.0 kilograms.
"Designated facility" means a dangerous waste treatment, storage, or disposal facility that has received a permit (or interim status) in accordance with the requirements of this chapter, has received a permit (or interim status) from another state authorized in accordance with 40 CFR Part 271, has received a permit (or interim status from EPA in accordance with 40 CFR Part 270, or is regulated under WAC 173-303120 (4)(c) or 173-303-525 when the dangerous waste is to be recycled, and that has been designated on the manifest pursuant to WAC 173-303-180(1). If a waste is destined to a facility in an authorized state that has not yet obtained authorization to regulate that particular waste as dangerous, then the designated facility must be a facility allowed by the receiving state to accept such waste. The following are designated facilities only for receipt of state-only waste; they cannot receive federal hazardous waste from off-site: Facilities with permit-by-rule under WAC 173-303-802 (5)(a) and facilities operating under WAC 173-303-500 (2)(c).
"Designation" is the process of determining whether a waste is regulated under the dangerous waste lists, WAC 173303-080 through 173-303-082; or characteristics, WAC 173303-090; or criteria, WAC 173-303-100. The procedures for designating wastes are in WAC 173-303-070. A waste that has been designated as a dangerous waste may be either DW or EHW.
"Destination facility" means a facility that treats, disposes of, or recycles a particular category of universal waste, except those management activities described in WAC 173-303-573 (9)(a) and (b) and 173-303-573 (20)(a) and (b). A facility at which a particular category of universal waste is only accumulated, is not a destination facility for purposes of managing that category of universal waste.
"Discharge" or "dangerous waste discharge" means the accidental or intentional release of hazardous substances, dangerous waste or dangerous waste constituents such that the substance, waste or a waste constituent may enter or be emitted into the environment.
"Disposal" means the discharging, discarding, or abandoning of dangerous wastes or the treatment, decontamination, or recycling of such wastes once they have been discarded or abandoned. This includes the discharge of any dangerous wastes into or on any land, air, or water.
"Domestic sewage" means untreated sanitary wastes that pass through a sewer system to a publicly owned treatment works (POTW) for treatment.
"Elementary neutralization unit" means a device which:
Is used for neutralizing wastes which are dangerous wastes only because they exhibit the corrosivity characteristics defined in WAC 173-303-090 or are listed in WAC 173303-081, or in 173-303-082 only for this reason; and
Meets the definition of tank, tank system, container, transport vehicle, or vessel.
"Environment" means any air, land, water, or ground water.
"EPA/state identification number" or "EPA/state ID#" means the number assigned by EPA or by the department of ecology to each generator, transporter, and TSD facility.
"Excluded scrap metal" is processed scrap metal, unprocessed home scrap metal, and unprocessed prompt scrap metal.
"Extremely hazardous waste" means those dangerous and mixed wastes designated in WAC 173-303-100 as extremely hazardous. (See also "dangerous waste" and "hazardous waste" definitions.)
"Fish LC50" means the concentration that will kill fifty percent of the exposed fish in a specified time period. For book designation, LC50 data must be derived from an exposure period greater than or equal to twenty-four hours. A hierarchy of species LC50 data should be used that includes (in decreasing order of preference) salmonids, fathead minnows (Pimephales promelas), and other fish species. For the ninety-six-hour static acute fish toxicity test, described in WAC 173-303-110 (3)(b)(i), coho salmon (Oncorhynchus kisutch), rainbow trout (Oncorhynchus mykiss), or brook trout (Salvelinus fontinalis) must be used.
"Generator" means any person, by site, whose act or process produces dangerous waste or whose act first causes a dangerous waste to become subject to regulation.
"Genetic properties" means those properties which cause or significantly contribute to mutagenic, teratogenic, or carcinogenic effects in man or wildlife.
"Ground water" means water which fills voids below the land surface and in the earth's crust.
"Halogenated organic compounds" (HOC) means any organic compounds which, as part of their composition, include one or more atoms of fluorine, chlorine, bromine, or iodine which is/are bonded directly to a carbon atom. This definition does not apply to the federal land disposal restrictions of 40 CFR Part 268 which are incorporated by reference at WAC 173-303-140 (2)(a). Note: Additional information on HOCs may be found in Chemical Testing Methods for Designating Dangerous Waste, Ecology Publication #97-407.
"Hazardous debris" means debris that contains a hazardous waste listed in WAC 173-303-9903 or 173-3039904, or that exhibits a characteristic of hazardous waste identified in WAC 173-303-090.
"Hazardous substances" means any liquid, solid, gas, or sludge, including any material, substance, product, commodity, or waste, regardless of quantity, that exhibits any of the physical, chemical or biological properties described in WAC 173-303-090 or 173-303-100.
"Hazardous wastes" means those solid wastes designated by 40 CFR Part 261, and regulated as hazardous and/or mixed waste by the United States EPA. (See also "dangerous waste" and "extremely hazardous waste" definitions.)
"Home scrap metal" is scrap metal as generated by steel mills, foundries, and refineries such as turnings, cuttings, punchings, and borings.
"Ignitable waste" means a dangerous waste that exhibits the characteristic of ignitability described in WAC 173-303090(5).
"Incinerator" means any enclosed device that:
Uses controlled flame combustion and neither meets the criteria for classification as a boiler, sludge dryer, or carbon regeneration unit, nor is listed as an industrial furnace; or
Meets the definition of infrared incinerator or plasma arc incinerator.
"Incompatible waste" means a dangerous waste which is unsuitable for placement in a particular device or facility because it may corrode or decay the containment materials, or is unsuitable for mixing with another waste or material because the mixture might produce heat or pressure, fire or explosion, violent reaction, toxic dusts, fumes, mists, or gases, or flammable fumes or gases.
"Industrial-furnace" means any of the following enclosed devices that are integral components of manufacturing processes and that use thermal treatment to accomplish recovery of materials or energy: Cement kilns; lime kilns; aggregate kilns; phosphate kilns; blast furnaces; smelting, melting, and refining furnaces (including pyrometallurgical devices such as cupolas, reverberator furnaces, sintering machines, roasters and foundry furnaces); titanium dioxide chloride process oxidation reactors; coke ovens; methane reforming furnaces; combustion devices used in the recovery of sulfur values from spent sulfuric acid; pulping liquor recovery furnaces; combustion devices used in the recovery of sulfur values from spent sulfuric acid; and halogen acid furnaces (HAFs) for the production of acid from halogenated dangerous waste generated by chemical production facilities where the furnace is located on the site of a chemical production facility, the acid product has a halogen acid content of at least 3%, the acid product is used in a manufacturing process, and, except for dangerous waste burned as fuel, dangerous waste fed to the furnace has a minimum halogen content of 20% as-generated. The department may decide to add devices to this list on the basis of one or more of the following factors:
The device is designed and used primarily to accomplish recovery of material products;
The device burns or reduces secondary materials as ingredients in an industrial process to make a material product;
The device burns or reduces secondary materials as effective substitutes for raw materials in processes using raw materials as principal feedstocks;
The device burns or reduces raw materials to make a material product;
The device is in common industrial use to produce a material product; and
Other factors, as appropriate.
"Infrared incinerator" means any enclosed device that uses electric powered resistance heaters as a source of radiant heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.
"Inner liner" means a continuous layer of material placed inside a tank or container which protects the construction materials of the tank or container from the waste or reagents used to treat the waste.
"LQG" see Large Quantity Generator.
"Lab packs" Small containers of dangerous waste in overpacked drums.
"Lamp," also referred to as "universal waste lamp" means any type of high or low pressure bulb or tube portion of an electric lighting device that generates light through the discharge of electricity either directly or indirectly as radiant energy. Universal waste lamps include, but are not limited to, fluorescent, mercury vapor, metal halide, high-pressure sodium and neon. As a reference, it may be assumed that four, four-foot, one-inch diameter unbroken fluorescent tubes are equal to 2.2 pounds in weight.
"Land disposal" means placement in or on the land, except in a corrective action management unit or staging pile, and includes, but is not limited to, placement in a: landfill, surface impoundment, waste pile, injection well, land treatment facility, salt dome formation, salt bed formation, underground mine or cave, or placement in a concrete vault, or bunker in tended for disposal purposes.
"Landfill" means a disposal facility, or part of a facility, where dangerous waste is placed in or on land and which is not a pile, a land treatment facility, a surface impoundment, or an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action management unit.
"Land treatment" means the practice of applying dangerous waste onto or incorporating dangerous waste into the soil surface so that it will degrade or decompose. If the waste will remain after the facility is closed, this practice is disposal.
"Large Quantity Generator (LQG)" A generator whose monthly waste generation or accumulation is 2,200 pounds or more of dangerous waste, or 2.2 pounds or more of acutely hazardous waste.
"Large quantity handler of universal waste" means a universal waste handler (as defined in this section) who accumulates 11,000 pounds or more total of universal waste (batteries, thermostats, and lamps calculated collectively) and/or who accumulates more than 2,200 pounds of lamps at any time. This designation as a large quantity handler of universal waste is retained through the end of the calendar year in which 11,000 pounds or more total of universal waste and/or 2,200 pounds of lamps is accumulated.
"Leachable inorganic waste" means solid dangerous waste (i.e., passes paint filter test) that is not an organic/carbonaceous waste and exhibits the toxicity characteristic (dangerous waste numbers D004 to D011, only) under WAC 173-303-090(8).
"Leachate" means any liquid, including any components suspended in the liquid, that has percolated through or drained from dangerous waste.
"MQG" See Medium Quantity Generator.
"Management" means the treatment, storage, disposal, or recycling of dangerous waste.
"Management facility" means a facility that treats, stores, recycles, or disposes of dangerous waste. See also TSDR facility.
"Management system" a process or series of processes acting together to perform a single operation on a dangerous waste stream. May consist of a number of units, or single pieces of equipment, e.g., individual tanks, surface impoundments, or distillation systems.
"Manifest" means the shipping document, prepared in accordance with the requirements of WAC 173-303-180, which is used to identify the quantity, composition, origin, routing, and destination of a dangerous waste while it is being transported to a point of transfer, disposal, treatment, or storage.
"Manufacturing process unit" means a unit which is an integral and inseparable portion of a manufacturing operation, processing a raw material into a manufacturing intermediate or finished product, reclaiming spent materials or reconditioning components.
"Material Safety Data Sheet" means those data sheets that provide information on the physical, chemical, and toxic properties of a product. Manufacturers are required by law to provide material safety data sheets on all products that they manufacture and sell.
"Medium Quantity Generator (MQG)". A generator whose monthly waste generation or accumulation is 220 pounds or more, but less than 2,200 pounds, of dangerous waste.
"Mixed waste" means a dangerous, extremely hazardous, or acutely hazardous waste that contains both a non-radioactive hazardous component and, as defined by 10 CFR 20.1003, source, special nuclear, or by-product material subject to the Atomic Energy Act of 1954 (42 U.S.C. 2011 et seq.).
"NIOSH registry" means the registry of toxic effects of chemical substances which is published by the National Institute for Occupational Safety and Health.
"NPDES" see National Pollutant Discharge Elimination System.
"National Pollutant Discharge Elimination System (NPDES)" means a provision of the Clean Water Act that prohibits discharge of pollutants into waters of the United States unless a special permit is issued by EPA, a state, or (where delegated) a tribal government on an Indian reservation.
"Non-Recurrent Waste" means a waste generated one time only or infrequently, for example, as a result of a spill, a clean-up, or a decommissioning of equipment.
"Off-specification used oil fuel" means used oil fuel that exceeds any specification level described in Table 1 in WAC 173-303-515.
"On-site" means the same or geographically contiguous property which may be divided by public or private right of way, provided that the entrance and exit between the properties is at a cross-roads intersection, and access is by crossing as opposed to going along the right of way. Noncontiguous properties owned by the same person but connected by a right of way which they control and to which the public does not have access, are also considered on-site property.
"Operator" means the person responsible for the overall operation of a facility. (See also "state operator.")
"Oral LD50" means the single dosage in milligrams per kilogram (mg/kg) body weight, when orally administered, which, within 14 days, kills half a group of ten or more white rats each weighing between 200 and 300 grams.
"Organic/carbonaceous waste" means a dangerous waste that contains combined concentrations of greater than ten percent organic/carbonaceous constituents in the waste; organic/carbonaceous constituents are those substances that contain carbon-hydrogen, carbon-halogen, or carbon-carbon chemical bonding.
"Permit" means an authorization that allows a person to perform dangerous waste transfer, treatment, storage, or disposal operations, and that typically includes specific conditions for such operations. Permits must be issued by Ecology, EPA, or another state authorized by EPA pursuant to 40 CFR Part 271 and WAC 173-303-800 through 810.
"Permit-by-rule" means a provision of this chapter stating that a facility or activity is deemed to have a dangerous waste permit if it meets the requirements of the provision.
"Persistence" means the quality of a material that retains more than half of its initial activity after one year (365 days) in either a dark anaerobic or dark aerobic environment at ambient conditions. Persistent compounds are either halogenated organic compounds (HOC) or polycyclic aromatic hydrocarbons (PAH) as defined in this section.
"Person" means any person, firm, association, county, public or municipal or private corporation, agency, or other entity whatsoever.
"Pesticide" means but is not limited to: Any substance or mixture of substances intended to prevent, destroy, control, repel, or mitigate any insect, rodent, nematode, mollusk, fungus, weed, and any other form of plant or animal life, or virus (except virus on or in living man or other animal) which is normally considered to be a pest or which the department of agriculture may declare to be a pest; any substance or mixture of substances intended to be used as a plant regulator, defoliant, or desiccant; any substance or mixture of substances intended to be used as spray adjuvant; and, any other substance intended for such use as may be named by the department of agriculture by regulation. Herbicides, fungicides, insecticides, and rodenticides are pesticides for the purposes of this chapter.
"Pile" means any non-containerized accumulation of solid, non-flowing dangerous waste that is used for treatment or storage.
"Plasma arc incinerator" means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.
"Point source" means any confined and discrete conveyance from which pollutants are or may be discharged. This term includes, but is not limited to, pipes, ditches, channels, tunnels, wells, cracks, containers, rolling stock, concentrated animal feeding operations, or watercraft, but does not include return flows from irrigated agriculture.
"Polycyclic aromatic hydrocarbons" (PAH) means those hydrocarbon molecules composed of two or more fused benzene rings. For purposes of this chapter, the PAHs of concern for designation are:
| Acenaphthene | Acenaphthylene |
| Fluorene | Anthracene |
| Fluoranthene | Phenanthrene |
| Benzo(a)anthracene | Benzo(b)fluoranthene |
| Benzo(k)fluoranthene | Pyrene |
| Chrysene | Benzo(a)pyrene |
| Dibenz(a,h)anthracene | Indeno(1,2,3-c,d)pyrene |
| Benzo(g,h,i)perylene | Dibenzo (a,e) pyrenes |
| Dibenzo (a,h) pyrenes | Dibenzo (a,i) pyrenes |
| Dibenzo (a,1) pyrenes | Dibenzo (a,j) acridin |
"Processed scrap metal" is scrap metal that has been manually or physically altered to either separate it into distinct materials to enhance economic value or to improve the handling of materials. Processed scrap metal includes, but is not limited to, scrap metal which has been baled, shredded, sheared, chopped, crushed, flattened, cut, melted, or separated by metal type (that is, sorted), and fines, drosses and related materials that have been agglomerated. Note: Shredded circuit boards being sent for recycling are not considered scrap metal. They are covered under the exclusion from the definition of solid waste for shredded circuit boards being recycled (WAC 173-303-071 (3) (3) (gg)
"Prompt scrap metal" is scrap metal as generated by the metal working/fabrication industries and includes such scrap metal as turnings, cuttings, punchings and borings. Prompt scrap is also known as industrial or new scrap metal.
"Publicly owned treatment works" or "POTW" means any device or system, owned by the state or a municipality, which is used in the treatment, recycling, or reclamation of municipal sewage or liquid industrial wastes. This term includes sewers, pipes, or other conveyances only if they convey wastewater to a POTW.
"QEL" see Quantity Exclusion Limit.
"Quantity Exclusion Limit (QEL)" means the quantity, by weight, at which a waste becomes fully regulated under medium quantity generator and large quantity generator requirements, as per WAC 173-303-070.
"RCRA" see Resource Conservation and Recovery Act.
"RCRA Site ID Number" means the number assigned by EPA to each generator, transporter, and treatment, storage, and disposal facility. In the state of Washington, this ID number begins with "WA" and is followed by a letter and 9 digits or by 10 digits. (Formally referred as EPA/State ID Number.)
"RCW" Revised Code of Washington (legislative statutes: Laws).
"Reactive waste" means a dangerous waste that exhibits the characteristic of reactivity described in WAC 173-303090(7).
"Reclaim" means to process a material in order to recover useable products, or to regenerate the material. Reclamation is the process of reclaiming.
"Recover" means extract a useable material from a solid or dangerous waste through a physical, chemical, biological, or thermal process. Recovery is the process of recovering.
"Recurrent Waste" means waste derived from a generator’s ongoing production process (as opposed to non-recurrent waste; see definition of non-recurrent waste).
"Recycle" means to use, reuse, or reclaim a material.
"Release" means any intentional or unintentional spilling, leaking, pouring, emitting, emptying, discharging, injecting, pumping, escaping, leaching, dumping, or disposing of dangerous wastes, or dangerous constituents as defined at WAC 173-303-646 (1)(c), into the environment and includes the abandonment or discarding of barrels, containers, and other receptacles containing dangerous wastes or dangerous constituents and includes the definition of release at RCW 70.105D.020(20).
"Representative sample" means a sample which can be expected to exhibit the average properties of the sample source.
"Reuse or use" means to employ a material either:
As an ingredient (including use as an intermediate) in an industrial process to make a product (for example, distillation bottoms from one process used as feedstock in another process). However, a material will not satisfy this condition if distinct components of the material are recovered as separate end products (as when metals are recovered from metal containing secondary materials); or
In a particular function or application as an effective substitute for a commercial product (for example, spent pickle liquor used as phosphorous precipitant and sludge conditioner in wastewater treatment).
"SQG" see Small Quantity Generator.
"Scrap metal" means bits and pieces of metal parts (e.g., bars, turnings, rods, sheets, wire) or metal pieces that may be combined together with bolts or soldering (e.g., radiators, scrap automobiles, railroad box cars), which when worn or superfluous can be recycled.
"Sludge" means any solid, semisolid, or liquid waste generated from a municipal, commercial, or industrial wastewater treatment plant, water supply treatment plant, or air pollution control facility. This term does not include the treated effluent from a wastewater treatment plant.
"Small Quantity Generator (SQG)". A generator whose monthly waste generation is less than the QEL (220 pounds for most common wastes or 2.2 pounds for acutely hazardous wastes) and whose accumulation (at any time) is less then 2,200 pounds for waste with a QEL of 220, or 2.2 pounds for waste with QEL of 2.2 pounds.
"Small quantity handler of universal waste" means a universal waste handler (as defined in this section) who does not accumulate 11,000 pounds or more total of universal waste (batteries, thermostats, and lamps, calculated collectively) and/or who does not accumulate more than 2,200 pounds of lamps at any time.
"Solid acid waste" means a dangerous waste that exhibits the characteristic of low pH under the corrosivity tests of WAC 173-303-090 (6)(a)(iii).
"Sorbent" means a material that is used to soak up free liquids by either adsorption or absorption, or both. Sorb means to either adsorb or absorb, or both.
"Special incinerator ash" means ash residues resulting from the operation of incineration or energy recovery facilities managing municipal solid waste from residential, commercial and industrial establishments, if the ash residues are designated as dangerous waste only by this chapter and not designated as hazardous waste by 40 CFR Part 261.
"Special waste" means any state-only dangerous waste that is solid only (nonliquid, nonaqueous, nongaseous), that is: Corrosive waste (WAC 173-303-090 (6)(b)(ii)), toxic waste that has Category D toxicity (WAC 173-303-100(5)), PCB waste (WAC 173-303-9904 under State Sources), or persistent waste that is not EHW (WAC 173-303-100(6)). Any solid waste that is regulated by the United States EPA as hazardous waste cannot be a special waste.
"Spent material" means any material that has been used and as a result of contamination can no longer serve the purpose for which it was produced without processing.
"Stabilization" and "solidification" means a technique that limits the solubility and mobility of dangerous waste constituents. Solidification immobilizes a waste through physical means and stabilization immobilizes the waste by bonding or chemically reacting with the stabilizing material.
"State-only dangerous waste" means a waste designated only by this chapter, chapter 173-303 WAC, and is not regulated as a hazardous waste under 40 CFR Part 261.
"Storage" means the holding of dangerous waste for a temporary period. "Accumulation" of dangerous waste, by the generator on the site of generation, is not storage as long as the generator complies with the applicable requirements of WAC 173-303-200 and 173-303-201.
"TCLP" see Toxicity Characteristic Leaching Procedure.
"TLm96" means the same as "Aquatic LC50."
"Tank" means a stationary device designed to contain an accumulation of dangerous waste, and which is constructed primarily of nonearthen materials to provide structural support.
"Tank system" means a dangerous waste storage or treatment tank and its associated ancillary equipment and containment system.
"Thermal treatment" means the treatment of dangerous waste in a device which uses elevated temperatures as the primary means to change the chemical, physical, or biological character or composition of the dangerous waste. Examples of thermal treatment processes are incineration, molten salt, pyrolysis, calcination, wet air oxidation, and microwave discharge.
"Thermostat" means a temperature control device that contains metallic mercury in an ampule attached to a bimetal sensing element, and mercury-containing ampules that have been removed from these temperature control devices in compliance with the requirements of WAC 173-303-573 (9)(b)(ii) or (20)(b)(ii).
"Totally enclosed treatment facility" means a facility for treating dangerous waste which is directly connected to a production process and which prevents the release of dangerous waste or dangerous waste constituents into the environment during treatment.
"Toxic" means having the properties to cause or to significantly contribute to death, injury, or illness of man or wildlife.
"Toxicity Characteristic Leaching Procedure (TCLP)" means the test procedure used to evaluate the characteristic of toxicity for purposes of designating a dangerous waste.
"Transfer facility" means any transportation related facility including loading docks, parking areas, storage areas, buildings, piers, and other similar areas where shipments of dangerous waste are held, consolidated, or transferred within a period of ten days or less during the normal course of transportation.
"Transport vehicle" means a motor vehicle, water vessel, or rail car used for the transportation of cargo by any mode. Each cargo-carrying body (trailer, railroad freight car, steamship, etc.) is a separate transport vehicle.
"Transportation" means the movement of dangerous waste by air, rail, highway, or water.
"Transporter" means a person engaged in the off-site transportation of dangerous waste.
"Treatability study" means a study in which a dangerous waste is subjected to a treatment process to determine: Whether the waste is amenable to the treatment process; what pretreatment (if any) is required; the optimal process conditions needed to achieve the desired treatment; the efficiency of a treatment process for a specific waste or wastes; or the characteristics and volumes of residuals from a particular treatment process. Also included in this definition for the purpose of the exemptions contained in WAC 173303-071 (3)(r) and (s), are liner compatibility, corrosion, and other material compatibility studies and toxicological and health effects studies. A "treatability study" is not a means to commercially treat or dispose of dangerous waste.
"Treatment" means the physical, chemical, or biological processing of dangerous waste to make such wastes nondangerous or less dangerous, safer for transport, amenable for energy or material resource recovery, amenable for storage, or reduced in volume, with the exception of compacting, repackaging, and sorting as allowed under WAC 173-303400(2) and 173-303-600(3).
"Treatment-by-generator" means the process by which generators may treat their own dangerous wastes on-site without obtaining a dangerous waste treatment permit. Technical Information Memorandum #96-412 sets for the Ecology’s guidance on how this activity may be done.
"Treatment/Storage/Disposal/Recycling Facility" means all contiguous land and structures, other appurtenances, and improvements of the land used for recycling, reusing, reclaiming, transferring, treating, storing, or disposing of dangerous waste. Unless otherwise specified, the terms treatment/storage/disposal/recycling facility, TSDR facility, and management facility shall be used interchangeably.
"Triple rinsing" means the cleaning of containers in accordance with the requirements of WAC 173-303-160 (2)(b), containers.
"Underground injection" means the subsurface emplacement of fluids through a bored, drilled, or driven well, or through a dug well, where the depth of the dug well is greater than the largest surface dimension.
"Underground tank" means a device meeting the definition of "tank" in this section whose entire surface area is totally below the surface of and covered by the ground.
Universal waste" means any of the following dangerous wastes that are subject to the universal waste requirements of WAC 173-303-573:
Batteries as described in WAC 173-303-573(2);
Thermostats as described in WAC 173-303-573(3); and
Lamps as described in WAC 173-303-573(5).
"Universal waste handler":
Means:
A generator (as defined in this section) of universal waste; or
The owner or operator of a facility, including all contiguous property, that receives universal waste from other universal waste handlers, accumulates universal waste, and sends universal waste to another universal waste handler, to a destination facility, or to a foreign destination.
Does not mean:
A person who treats (except under the provisions of WAC 173-303-573 (9)(a), (b), or (c) or (20)(a), (b), or (c)) disposes of, or recycles universal waste; or
A person engaged in the off-site transportation of universal waste by air, rail, highway, or water, including a universal waste transfer facility.
"Universal waste transfer facility" means any transportation-related facility including loading docks, parking areas, storage areas and other similar areas where shipments of universal waste are held during the normal course of transportation for ten days or less.
"Universal waste transporter" means a person engaged in the off-site transportation of universal waste by air, rail, highway, or water.
"Used oil" means any oil that has been refined from crude oil, or any synthetic oil, that has been used and as a result of such use is contaminated by physical or chemical impurities.
"WAC" means the Washington Administrative Code. Chapter 173-303-WAC provides the Department of Ecology dangerous waste regulations.
"Wastewater treatment unit" means a device that:
Is part of a wastewater treatment facility which is subject to regulation under either:
Section 402 or section 307(b) of the Federal Clean Water Act; or
Chapter 90.48 RCW, State Water Pollution Control Act, provided that the waste treated at the facility is a state-only dangerous waste; and
Handles dangerous waste in the following manner:
Receives and treats or stores an influent wastewater; or
Generates and accumulates or treats or stores a wastewater treatment sludge; and
Meets the definition of tank or tank system in this section.