Standard methods for the examination of water and wastewater / prepared and published jointly by the American Public Health Association, American Water Works Association, Water Pollution Control Federation ; joint editorial board, Michael J. Taras, Arnold E. Greenberg, R.D. Hoak and M. C. Rand. American Public Health Association. Greenberg, Arnold E. Taras, Michael J. Hoak, R. D. American Water Works Association. Water Pollution Control Federation (U.S.) Water Analysis. Sewage Analysis. 543.3 19 AMS Includes bibliographies and index. Washington, D.C. : American Public Health Association, c1971. c1971. 1971 Text xxxv, 874 p. : eng