TY - BOOK AU - Myers,Leon H. ED - United States. ED - Robert S. Kerr Environmental Research Laboratory, TI - Indicatory fate study U1 - 628.3 23 PY - 1979/// CY - Oklahoma PB - Robert S. Kerr Environmental Research Laboratory KW - Sewage KW - Purification KW - Activated sludge process KW - Factory and trade waste KW - United States N1 - EPA 600/2-79-175 ER -