NR 661.0004(2)(f)1.1. Wastes that fail the test for the Toxicity Characteristic specified in s. NR 661.0024 because chromium is present or are listed in subch. D due to the presence of chromium, which do not fail the test for the Toxicity Characteristic for any other constituent or are not listed due to the presence of any other constituent, and which do not fail the test for any other characteristic, if it is shown by a waste generator or by waste generators that all of the following apply: NR 661.0004(2)(f)1.a.a. The chromium in the waste is exclusively (or nearly exclusively) trivalent chromium. NR 661.0004(2)(f)1.b.b. The waste is generated from an industrial process that uses trivalent chromium exclusively, or nearly exclusively, and the process does not generate hexavalent chromium. NR 661.0004(2)(f)2.2. Specific wastes that meet the standard in subd. 1. a. to c., so long as they do not fail the test for the Toxicity Characteristic for any other constituent, and do not exhibit any other characteristic, are any of the following: NR 661.0004(2)(f)2.a.a. Chrome blue trimmings generated by the following subcategories of the leather tanning and finishing industry: hair pulp or chrome tan or retan or wet finish, hair save or chrome tan or retan or wet finish, retan or wet finish, no beamhouse, through-the-blue, and shearling. NR 661.0004(2)(f)2.b.b. Chrome blue shavings generated by the following subcategories of the leather tanning and finishing industry: hair pulp or chrome tan or retan or wet finish, hair save or chrome tan or retan or wet finish, retan or wet finish, no beamhouse, through-the-blue, and shearling. NR 661.0004(2)(f)2.c.c. Buffing dust generated by the following subcategories of the leather tanning and finishing industry: hair pulp or chrome tan or retan or wet finish, hair save or chrome tan or retan or wet finish, retan or wet finish, no beamhouse, through-the-blue. NR 661.0004(2)(f)2.d.d. Sewer screenings generated by the following subcategories of the leather tanning and finishing industry: hair pulp or chrome tan or retan or wet finish, hair save or chrome tan or retan or wet finish, retan or wet finish, no beamhouse, through-the-blue, and shearling. NR 661.0004(2)(f)2.e.e. Wastewater treatment sludges generated by the following subcategories of the leather tanning and finishing industry: Hair pulp/chrome tan/retan/wet finish; hair save/chrome tan/retan/wet finish; and through-the-blue. NR 661.0004(2)(f)2.f.f. Wastewater treatment sludges generated by the following subcategories of the leather tanning and finishing industry: Hair pulp/chrome tan/retan/wet finish; hair save/chrome tan/retan/wet finish; and through-the-blue. NR 661.0004(2)(f)2.g.g. Waste scrap leather from the leather tanning industry, the shoe manufacturing industry, and other leather product manufacturing industries. NR 661.0004(2)(f)2.h.h. Wastewater treatment sludges from the production of TiO2 pigment using chromium-bearing ores by the chloride process. NR 661.0004(2)(g)(g) Solid waste from the extraction, beneficiation, and processing of ores and minerals, including coal, phosphate rock, and overburden from the mining of uranium ore, except as provided under s. NR 666.112 for facilities that burn or process hazardous waste. NR 661.0004(2)(g)1.1. For the purposes of this paragraph, beneficiation of ores and minerals is restricted to the following activities: crushing; grinding; washing; dissolution; crystallization; filtration; sorting; sizing; drying; sintering; pelletizing; briquetting; calcining to remove water or carbon dioxide; roasting, autoclaving, or chlorination in preparation for leaching, except where the roasting, autoclaving, chlorination, or leaching sequence produces a final or intermediate product that does not undergo further beneficiation or processing; gravity concentration; magnetic separation; electrostatic separation; flotation; ion exchange; solvent extraction; electrowinning; precipitation; amalgamation; and heap, dump, vat, tank, and in situ leaching. NR 661.0004(2)(g)2.2. For the purposes of this paragraph, solid waste from the processing of ores and minerals includes only the following wastes as generated: NR 661.0004(2)(g)2.h.h. Calcium sulfate wastewater treatment plant sludge from primary copper processing. NR 661.0004(2)(g)2.q.q. Basic oxygen furnace and open hearth furnace air pollution control dust/sludge from carbon steel production. NR 661.0004(2)(g)3.3. A residue derived from co-processing mineral processing secondary material with normal beneficiation raw materials or with normal mineral processing raw materials remains excluded under this subsection if the owner or operator does all of the following: NR 661.0004(2)(g)3.a.a. Processes at least 50 percent by weight normal beneficiation raw materials or normal mineral processing raw materials. NR 661.0004(2)(i)(i) Solid waste that consists of discarded arsenical-treated wood or wood products that fails the test for the Toxicity Characteristic for Hazardous Waste Codes D004 through D017 and that is not a hazardous waste for any other reason if the waste is generated by persons who utilize the arsenical-treated wood and wood products for these materials’ intended end use. NR 661.0004(2)(j)(j) Petroleum-contaminated media and debris that fail the test for the Toxicity Characteristic specified in s. NR 661.0024 for any of the hazardous waste codes D018 through D043 only, and are subject to the corrective action rules under chs. ATCP 93 and NR 706. NR 661.0004(2)(L)(L) Used chlorofluorocarbon refrigerants from totally enclosed heat transfer equipment, including mobile air conditioning systems, mobile refrigeration, and commercial and industrial air conditioning and refrigeration systems that use chlorofluorocarbons as the heat transfer fluid in a refrigeration cycle, provided the refrigerant is reclaimed for further use. NR 661.0004(2)(m)(m) Non-terne plated used oil filters that are not mixed with wastes listed in subch. D if these oil filters have been gravity hot-drained using one of the following methods: NR 661.0004(2)(m)1.1. Puncturing the filter anti-drain back valve or the filter dome end and hot-draining. NR 661.0004(2)(n)(n) Used oil re-refining distillation bottoms that are used as feedstock to manufacture asphalt products. NR 661.0004(2)(o)(o) Leachate or gas condensate collected from landfills where certain solid wastes have been disposed, provided that all of the following are met: NR 661.0004(2)(o)1.1. The solid wastes disposed would meet one or more of the listing descriptions for hazardous waste codes K169, K170, K171, K172, K174, K175, K176, K177, K178, and K181 if these wastes had been generated after the effective date of the listing. NR 661.0004(2)(o)2.2. The solid wastes described in subd. 1. were disposed prior to the effective date of the listing. NR 661.0004(2)(o)3.3. The leachate or gas condensate do not exhibit any characteristic of hazardous waste nor are derived from any other listed hazardous waste. NR 661.0004(2)(o)4.4. Discharge of the leachate or gas condensate, including leachate or gas condensate transferred from the landfill to a POTW by truck, rail, or dedicated pipe, is subject to regulation under ch. 283, Stats., or 33 USC 1317 (b) or 1342. NR 661.0004(2)(o)5.5. As of February 13, 2001, leachate or gas condensate derived from K169 to K172 is no longer exempt if it is stored or managed in a surface impoundment prior to discharge. As of November 21, 2003, leachate or gas condensate derived from K176, K177, and K178 is no longer exempt if it is stored or managed in a surface impoundment prior to discharge. After February 26, 2007, leachate or gas condensate derived from K181 will no longer be exempt if it is stored or managed in a surface impoundment prior to discharge. One exception to these requirements is the following: if the surface impoundment is used to temporarily store leachate or gas condensate in response to an emergency situation, such as shutdown of wastewater treatment system, provided the impoundment has a double liner, and provided the leachate or gas condensate is removed from the impoundment and continues to be managed in compliance with the conditions of this subdivision after the emergency ends. NR 661.0004(2)(r)(r) Solvent-contaminated wipes, except for wipes that are hazardous waste due to the presence of trichloroethylene, that are sent for disposal are not hazardous wastes from the point of generation provided all of the following are met: NR 661.0004(2)(r)1.1. The solvent-contaminated wipes, when accumulated, stored, and transported, are contained in non-leaking, closed containers that are labeled “Excluded Solvent-Contaminated Wipes.” The containers shall be able to contain free liquids, should free liquids occur. During accumulation, a container is considered closed when there is complete contact between the fitted lid and the rim, except when it is necessary to add or remove solvent-contaminated wipes. When the container is full, or when the solvent-contaminated wipes are no longer being accumulated, or when the container is being transported, the container shall be sealed with all lids properly and securely affixed to the container and all openings tightly bound or closed sufficiently to prevent leaks and emissions. NR 661.0004(2)(r)2.2. The solvent-contaminated wipes may be accumulated by the generator for up to 180 days from the start date of accumulation for each container prior to being sent for disposal. NR 661.0004(2)(r)4.4. Free liquids removed from the solvent-contaminated wipes or from the container holding the wipes shall be managed according to the applicable regulations under chs. NR 660 to 667. NR 661.0004(2)(r)5.5. A generator shall maintain at its site all of the following documentation: NR 661.0004(2)(r)5.a.a. Name and address of the landfill or combustor that is receiving the solvent-contaminated wipes. NR 661.0004(2)(r)5.c.c. Description of the process the generator is using to ensure solvent-contaminated wipes contain no free liquids at the point of being transported for disposal. NR 661.0004(2)(r)6.6. The solvent-contaminated wipes are sent for disposal to any of the following: NR 661.0004(3)(3) Hazardous Wastes That Are Exempted From Certain Regulations. A hazardous waste generated in a product or raw material storage tank, a product or raw material transport vehicle or vessel, a product or raw material pipeline, or in a manufacturing process unit or an associated non-waste-treatment-manufacturing unit, is not subject to regulation under chs. NR 662 to 665, 668, and 670 or to the notification requirements specified in s. NR 660.07 until it exits the unit in which it was generated, unless the unit is a surface impoundment, or unless the hazardous waste remains in the unit more than 90 days after the unit ceases to be operated for manufacturing, or for storage or transportation of product or raw materials. NR 661.0004(4)(a)(a) Except as provided in pars. (b) and (d), a sample of solid waste or a sample of water, soil, or air collected for the sole purpose of testing to determine its characteristics or composition is not subject to any requirements under this chapter or chs. NR 662 to 670 or to the notification requirements under s. NR 660.07, when one of the following occurs: NR 661.0004(4)(a)1.1. The sample is being transported to a laboratory for the purpose of testing. NR 661.0004(4)(a)2.2. The sample is being transported back to the sample collector after testing. NR 661.0004(4)(a)3.3. The sample is being stored by the sample collector before transport to a laboratory for testing. NR 661.0004(4)(a)5.5. The sample is being stored in a laboratory after testing but before it is returned to the sample collector. NR 661.0004(4)(a)6.6. The sample is being stored temporarily in the laboratory after testing for a specific purpose, such as until conclusion of a court case or enforcement action when further testing of the sample may be necessary. NR 661.0004(4)(b)(b) In order to qualify for the exemption in par. (a) 1. or 2., a sample collector shipping samples to a laboratory and a laboratory returning samples to a sample collector shall do one of the following: NR 661.0004(4)(b)1.1. Comply with U.S. department of transportation or DOT, U.S. postal service or USPS, or any other applicable shipping requirements. NR 661.0004(4)(b)2.2. Comply with all of the following requirements if the sample collector determines that DOT, USPS, or other shipping requirements do not apply to the shipment of the sample: 1) The sample collector’s name, mailing address, and telephone number.
2) The laboratory’s name, mailing address, and telephone number.
3) The quantity of the sample.
4) The date of shipment.
5) A description of the sample.
NR 661.0004(4)(b)2.b.b. Package the sample so that it does not leak, spill, or vaporize from its packaging. NR 661.0004(4)(c)(c) This exemption does not apply if the laboratory determines that the waste is hazardous but the laboratory is no longer meeting any of the conditions stated in par. (a). NR 661.0004(4)(d)(d) In order to qualify for the exemption in par. (a) 1. and 2., the mass of a sample that will be exported to a foreign laboratory or that will be imported to a U.S. laboratory from a foreign source may not exceed 25 kg.
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