Clesceri, Lenore S. Standard methods : for the examination of water and wastewater / Lenore S Clesceri , Arnold E Greenberg and R Rhodes Trussell. - 7th ed / . - Washington : American Public Health Association , 1917. - ix, in verious pagination : ill.,figs. ; 22cm . Includes index ISBN: 087553161X NULL Subjects--Index Terms: WASTEWATER MANAGEMENT Dewey Class. No.: 363 / CLE/S