Background document for modification of pH effluent limitations guidelines and standards for point sources required by NPDES permit to monitor continuously effluent pH
Contributors: United States. Environmental Protection Agency. Office of Analysis and Evaluation; JRB Associates
Publisher: U.S. Environmental Protection Agency, Office of Analysis and Evaluation
Published: 1980
Place of publication: Washington, D.C
Language: eng
Number of pages: 147
Subjects: Hydrogen-ion concentration -- Environmental aspects; Factory and trade waste -- Environmental aspects -- United States
Notes: Cover title

"JRB Associates, Inc."--p. 54

Nov. 1980

Bibliography: p. 53

"Contract no. 68-01-6848"--p. 54

"EPA 440/2-80-083."