75777538
Aug 16, 1999
Apr 30, 2002
chemicals used to treat industrial water, namely, once-through cooling water systems; recirculating cooling water systems; commercial air conditioners, refrigeration condensate and dehumidifier basins and drip pans; wastewater treatment systems; pulp and paper mills; non-portable water supplies; lakes, ponds, reservoirs, ornamental ponds and fountains
Chemicals