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.