United States. Environmental Protection Agency. Office of Analysis and Evaluation & JRB Associates. (1980). Background document for modification of pH effluent limitations guidelines and standards for point sources required by NPDES permit to monitor continuously effluent pH. U.S. Environmental Protection Agency, Office of Analysis and Evaluation.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Analysis and Evaluation and JRB Associates. Background Document for Modification of PH Effluent Limitations Guidelines and Standards for Point Sources Required by NPDES Permit to Monitor Continuously Effluent PH. Washington, D.C.: U.S. Environmental Protection Agency, Office of Analysis and Evaluation, 1980.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Analysis and Evaluation and JRB Associates. Background Document for Modification of PH Effluent Limitations Guidelines and Standards for Point Sources Required by NPDES Permit to Monitor Continuously Effluent PH. U.S. Environmental Protection Agency, Office of Analysis and Evaluation, 1980.