Secondary Lead Smelters: New Source Performance Standards (NSPS)
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The secondary lead smelting industry consists of facilities that recycle lead-bearing scrap material, typically lead acid batteries, into elemental lead or lead alloys.
The promulgated standards limit emissions of particulate matter (1) from blast- (cupola) and reverberatory furnaces to no more than 50 mg/dscm (10.022 gr/dscf) and to less than 20 percent opacity, and (2) from pot furnaces having charging capacities equal to or greater than 250 kilograms to less than 10 percent opacity.
10/06/1975 - Final rule.
07/15/1974 - Proposed rule.
03/08/1974 - Final rule.
06/11/1973 - Proposed rule.