| http://www.w3.org/ns/prov#value | - ysis or furnace operations, waste metal bearing materials, dust including zinc ferrite, sludges from metal plating baths, sludges from electrowinning tank operations, copper or other heavy metals, BOF flue dust containing 3-20% zinc and heavy metal content, jarosite from mining operations, waste water treatment metal bearing sludges and cakes, zinc ferrite tailings, electric arc furnace dust conta
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