Wis. Admin. Code Department of Natural Resources, NR 600-699, ch. NR 666, app XII
A. Exempt Nickel or Chromium-Bearing Materials when Generated by Manufacturers or Users of Nickel, Chromium, or Iron
Baghouse bags
Raney nickel catalyst
Floor sweepings
Air filters
Electroplating bath filters
Wastewater filter media
Wood pallets
Disposable clothing (coveralls, aprons, hats, and gloves)
Laboratory samples and spent chemicals
Shipping containers and plastic liners from containers or vehicles used to transport nickel or chromium-containing wastes
Respirator cartridge filters
Paper hand towels
B. Exempt Nickel or Chromium-Bearing Materials when Generated by Any Industry
Electroplating wastewater treatment sludges (F006)
Nickel and/or chromium-containing solutions
Nickel, chromium, and iron catalysts
Nickel-cadmium and nickel-iron batteries
Filter cake from wet scrubber system water treatment plants in the specialty steel industry 1
Filter cake from nickel-chromium alloy pickling operations1
1 If a hazardous waste under an authorized state program.
Wis. Admin. Code Department of Natural Resources, NR 600-699, ch. NR 666, app XII