Washington Administrative Code

Incineration of biomedical, treated or untreated medical waste must be conducted under sufficient burning conditions to reduce all combustible material to a form so that no portion of the combustible material is visible in its uncombusted state.[Statutory Authority: 1989 c 431. W…

This regulation implements chapter 70.105 RCW, the Hazardous Waste Management Act as amended, and implements, in part, chapters 70.95E, 70.105D, and 15.54 RCW, and Subtitle C of Public Law 94-580, the Resource Conservation and Recovery Act of 1976, which the legislature has empow…

(1) Purpose and applicability.(a) The purpose of this section is to identify those materials that are and are not solid wastes.(b)(i) The definition of solid waste contained in this section applies only to wastes that also are dangerous for purposes of the regulations implementin…

(1) The purpose of this section is to identify those materials that are and are not solid wastes when recycled. Certain materials, as described in subsection (2) of this section, would not typically be considered to involve waste management and are exempt from the requirements of…

Recycling hazardous secondary materials for the purpose of exclusion or exemption from the dangerous waste regulations must be legitimate. Hazardous secondary material that is not legitimately recycled is discarded material and a solid waste. In determining if their recycling is …

Except as expressly provided elsewhere herein, this chapter 173-303 WAC applies to all persons who handle dangerous wastes and solid wastes that may designate as dangerous wastes including, but not limited to:(1) Generators;(2) Transporters;(3) Owners and operators of dangerous w…

The following abbreviations are used in this regulation.APTI - Association for Preservation Technology InternationalASTM - American Society for Testing MaterialsAPHA - American Public Health AssociationCAMU - corrective action management unitCDC - Center for Disease ControlC.F.R.…

When used in this chapter, the following terms have the meanings given below.Note:The list of defined terms in this section does not contain all defined terms used in chapter 173-303 WAC."Aboveground tank" means a device meeting the definition of "tank" in this section and that i…

(1) Any references in this chapter to any parts, subparts, or sections from EPA's hazardous waste regulations, including 40 C.F.R. Parts 260 through 280 and Part 124, are in reference to those rules as they existed on July 1, 2019. Copies of the appropriate referenced federal req…

The department may conduct or contract for the removal of dangerous wastes or hazardous substances where there has been or is a potential for discharge or release, regardless of quantity or concentration, which could pose a threat to public health or the environment.[Statutory Au…

(1) Any person who generates, transports, offers for transport, or transfers a dangerous waste, or who owns or operates a dangerous waste TSD facility or a recycling facility must have a current EPA/state identification number (EPA/state ID#). An EPA/state ID# is issued to TSD fa…

(1) Purpose and applicability.(a) This section describes the procedures for determining whether or not a solid waste is DW or EHW.(b) The procedures in this section are applicable to any person who generates, or discovers on their site, a solid waste, as defined in WAC 173-303-01…

(1) Purpose. Certain categories of waste have been excluded from many of the requirements of chapter 173-303 WAC because they generally are not dangerous waste, are regulated under other state and federal programs, or are recycled in ways which do not threaten public health or th…

(1) Purpose and applicability.(a) The purpose of this section is to describe the procedures that will be followed by generators and the department when wastes are considered for exemption or exclusion from the requirements of this chapter. Any person(s) whose waste is exempted or…

(1) Purpose and applicability. Special wastes pose a relatively low hazard to human health and the environment. The department believes that special wastes can be safely managed with a level of protection that is intermediate between dangerous and nondangerous solid wastes. This …

(1) Purpose and applicability.(a) The purpose of WAC 173-303-075 is to establish procedures by which the generator of a solid waste may apply to the department for a review of his waste, and for a determination of the designation of his waste. When a final determination is made, …

The wastes listed in this section are exempt from regulation under WAC 173-303-140, 173-303-170 through 173-303-9907 (except for WAC 173-303-960), and except as specified in WAC 173-303-573, and therefore are not fully regulated as dangerous waste. The wastes listed in this secti…

The dangerous waste lists include:(1) WAC 173-303-081, Discarded chemical products;(2) WAC 173-303-082, Dangerous waste sources.[Statutory Authority: Chapter 70.105 RCW. WSR 89-02-059 (Order 88-24), § 173-303-080, filed 1/4/89. Statutory Authority: Chapter 70.105 RCW and RCW 70.9…

(1) A waste will be designated as a dangerous waste and assigned a "P" or "U" code if it is handled in any of the manners described in (e) of this subsection, and if it is a residue from the management of:(a) A commercial chemical product or manufacturing chemical intermediate (s…

(1) The dangerous waste sources list appears in WAC 173-303-9904. Any waste that is listed or is a residue from the management of a waste listed on the dangerous waste sources list must be designated a dangerous waste, and identified as DW. Dangerous waste sources codes include W…

(1) Wastes from wood preserving processes at plants that do not resume or initiate use of chlorophenolic preservatives will not meet the listing definition of F032 once the generator has met all of the requirements of subsections (2) and (3) of this section. These wastes may, how…

(1) Purpose. The purpose of this section is to set forth characteristics which a solid waste might exhibit and which would cause that waste to be a dangerous waste.(2) Representative samples. The department will consider a sample obtained using any of the applicable sampling meth…

(1) Purpose. The purpose of this section is to describe methods for determining if a solid waste is a dangerous waste by the criteria set forth in this section. The dangerous waste criteria consist of:(a) Toxic dangerous wastes; and(b) Persistent dangerous wastes.(2) References. …

[Statutory Authority: Chapters 70.105 and 70.105D RCW. WSR 94-01-060 (Order 92-33), § 173-303-102, filed 12/8/93, effective 1/8/94. Statutory Authority: Chapter 70.105 RCW. WSR 87-14-029 (Order DE-87-4), § 173-303-102, filed 6/26/87; WSR 86-12-057 (Order DE-85-10), § 173-303-102,…

(1) Purpose. This section sets forth the dangerous waste number for each of the dangerous waste criteria designations and for listed and characteristic waste codes that are unique to Washington state.(2) Characteristics. A waste that exhibits any of the dangerous waste characteri…

(1) Purpose. This section sets forth the testing methods to be used to comply with the requirements of this chapter. Quality control procedures specified by the testing method or an approved equivalent method must be followed for the analytical result to be considered valid for d…

(1) This section describes the requirements for persons who recycle materials that are solid wastes and dangerous. Except as provided in subsections (2) and (3) of this section, dangerous wastes that are recycled are subject to the requirements for generators, transporters, and s…

(1) Purpose.(a) The purpose of this section is to encourage the best management practices for dangerous wastes according to the priorities of RCW 70.105.150 which are, in order of priority:(i) Reduction;(ii) Recycling;(iii) Physical, chemical, and biological treatment;(iv) Incine…

(1) A person may offer, transport, transfer, or deliver a designated dangerous waste only to a TSD facility which is operating either: Under a permit issued pursuant to the requirements of this chapter; or, if the TSD facility is located outside of this state, under interim statu…

(1) Purpose and applicability. This section sets forth the requirements for any person responsible for a spill or discharge of a dangerous waste or hazardous substance into the environment, except when such release is otherwise permitted under state or federal law. For the purpos…

(1) Any action taken to evade the intent of this regulation by dividing or diluting wastes to change their designation shall be prohibited, except for the purposes of treating, neutralizing, or detoxifying such wastes.(2) Separation of a homogeneous waste into heterogeneous phase…

(1) Waste quantity. Containers and inner liners will not be considered as a part of the waste when measuring or calculating the quantity of a dangerous waste. Only the weight of the residues in nonempty or nonrinsed containers or inner liners will be considered when determining w…

Small containers of dangerous waste may be placed in overpacked drums (or labpacks) provided that the following conditions are met:(1) Dangerous waste must be packaged in nonleaking inside containers. The inside containers must be of a design and constructed of a material that wi…

A generator must determine its generator category. A generator's category is based on the amount of dangerous waste generated each month and may change from month to month. This section sets forth procedures to determine whether a generator is a small quantity generator, a medium…

Any person who generates a solid waste must determine if their solid waste designates as DW or EHW by the requirements of WAC 173-303-070 through 173-303-100. A person is a dangerous waste generator if their solid waste is designated as such.(1) The following definitions apply to…

(1) Provided that the small quantity generator meets all the conditions for exemption listed in this section, dangerous waste generated by the small quantity generator is not subject to regulation under this chapter except for WAC 173-303-050, 173-303-070, 173-303-145, 173-303-16…

A medium quantity generator, not to include transporters as referenced in WAC 173-303-240(3), may accumulate dangerous waste on site without a permit, interim status, and without complying with the requirements of WAC 173-303-600 provided that all the following conditions for exe…

(1) Applicability. This section is applicable to small quantity generators and medium quantity generators as defined in WAC 173-303-040. (2) Definitions for this section. The following definitions apply to this section:(a) Episodic event means an activity or activities, either pl…

(1) A generator may accumulate as much as fifty-five gallons of dangerous waste or either one quart of liquid acutely hazardous waste or 2.2 lbs. of solid acutely hazardous waste (as defined in WAC 173-303-040) in containers at or near any point of generation where waste initiall…

A generator who transports, or offers for transport a dangerous waste for off-site treatment, storage, or disposal, or a treatment, storage, or disposal facility that offers for transport a rejected dangerous waste load, must follow all applicable procedures described in this sec…

The generator must fulfill the following requirements before transporting off-site or offering for off-site transport any dangerous waste.(1) Packaging. The generator must package all dangerous waste for transport in accordance with United States DOT regulations on packaging, 49 …

Large quantity generators, not to include transporters as referenced in WAC 173-303-240(3), may accumulate dangerous waste on site without a permit or interim status, and without complying with the requirements of WAC 173-303-600 provided that all of the following conditions for …

(1) Applicability. The regulations of this section apply to those areas of a large quantity generator's facility where dangerous waste is generated or accumulated on site.(2) A large quantity generator facility must be designed, constructed, maintained and operated to minimize th…

[Statutory Authority: Chapters 70.105, 70.105D RCW and RCRA. WSR 19-04-038 (Order 16-03), § 173-303-202, filed 1/28/19, effective 4/28/19. Statutory Authority: Chapters 70.105 and 70.105D RCW. WSR 94-01-060 (Order 92-33), § 173-303-202, filed 12/8/93, effective 1/8/94. Statutory …

(1) The generator must keep a copy of each manifest signed by the initial transporter in accordance with WAC 173-303-180(3), manifest procedures, for three years, or until they receive a signed copy from the designated facility which received the waste. The signed facility copy m…

The generator must submit the following reports to the department by the specified due date for each report, or within the time period allowed for each report.(1) Annual reports.(a) A generator or any person who has obtained an EPA/state identification number pursuant to WAC 173-…

(1) Exporting dangerous waste.Federal export requirements, administered by EPA, are set forth at 40 C.F.R. 262 Subpart H and 40 C.F.R. 261.6 (a)(3)(i)(A) and (B), and specify the procedures applicable to generators and transporters of hazardous waste (as defined in WAC 173-303-04…

(1) The following definitions apply to this section:(a) "College/university" means a private or public, postsecondary, degree-granting, academic institution, that is accredited by an accrediting agency listed annually by the U.S. Department of Education.(b) "Eligible academic ent…

(1) Applicability. This section establishes standards that apply to persons transporting dangerous waste and transporters who own or lease and operate a transfer facility.(2) A transporter must have a current EPA/state ID#. Transporters must comply with the notification and ident…

(1)(a) A transporter may not accept dangerous waste from a generator unless the transporter is also provided with a manifest signed in accordance with WAC 173-303-180(3) (Manifest procedures) or is provided with an electronic manifest that is obtained, completed, and transmitted …