40 CFR 122 Appendix A NPDES Primary Industry Categories

Any permit issued after June 30, 1981 to dischargers in the following categories shall include effluent limitations and a compliance schedule to meet the requirements of section 301(b)(2)(A), (C), (D), (E) and (F) of CWA, whether or not applicable effluent limitations guidelines have been promulgated. See §§122.44 and 122.46.

Industry Category

Adhesives and sealants

Aluminum forming

Auto and other laundries

Battery manufacturing

Coal mining

Coil coating

Copper forming

Electrical and electronic components

Electroplating

Explosives manufacturing

Foundries

Gum and wood chemicals

Inorganic chemicals manufacturing

Iron and steel manufacturing

Leather tanning and finishing

Mechanical products manufacturing

Nonferrous metals manufacturing

Ore mining

Organic chemicals manufacturing

Paint and ink formulation

Pesticides

Petroleum refining

Pharmaceutical preparations

Photographic equipment and supplies

Plastics processing

Plastic and synthetic materials manufacturing

Porcelain enameling

Printing and publishing

Pulp and paper mills

Rubber processing

Soap and detergent manufacturing

Steam electric power plants

Textile mills

Timber products processing