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Title: Development document for effluent limitations guidelines and standards for the porcelain enameling. Point source category. Final report

Technical Report ·
OSTI ID:6228477

EPA has subcategorized the porcelain enameling industry based on the basis material coated. The subcategories are defined as porcelain enameling on: steel, cast iron, aluminum and copper. No limitations are established for porcelain enameling on precious metals (gold, silver and platinum group metals) because they are believed to be very small sources and virtually all would be excluded from regulation by the small indirect discharger exemption. The study included the identification of raw waste and treated effluent characteristics, including: (1) the sources and volume of water used, the processes employed, and the sources of pollutants and wastewaters in the plant, and (2) the constituents of wastewaters. Such analysis enabled EPA to determine the presence and concentration of toxic pollutants in wastewater discharges.

Research Organization:
Environmental Protection Agency, Washington, DC (United States). Effluent Guidelines Div.
OSTI ID:
6228477
Report Number(s):
PB-93-206514/XAB; EPA-440/1-82/072
Resource Relation:
Other Information: See also PB--83-208405 and PB--81-201527
Country of Publication:
United States
Language:
English