TY - BOOK AU - Culp,Gordon L. AU - Heim,Nancy Folks AU - Potter,Lehn ED - United States. TI - Field manual for performance evaluation and troubleshooting at municiple wastewater treatment facilities PY - 1978/// CY - Washington PB - Environmental Protection Agency, Office of Water Program Operations KW - Sewage disposal plants KW - Evaluation KW - Handbooks, manuals, etc N1 - EPA project officer: Lehn Potter ER -