TY - BOOK AU - Douglas,Gary ED - United States. ED - United States. TI - Modular wastewater treatment system demonstration for the textile maintenance industry T2 - Environmental protection technology series U1 - 628.30973 PY - 1974/// CY - Washington, D.C. PB - United States Environmental Protection Agency KW - Sewage disposal plants KW - United States KW - Water KW - Purification N1 - Supplement to Federal guidelines for design, operation, and maintenance of wastewater treatment facilities; Includes bibliographical references (p. 13-14) ER -