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<br /> <br /> <br /> A-5 <br />** References which describe these methods: <br /> <br /> American Public Health Assoc.; American Water Works Assoc.; and Water Pollution Control <br />Federation, 1979, Standard methods for the examination of water and waste water; 14th ed., <br />American Public Health Assoc., 1015 13th Street, Washington, D.C., 20036, 1193 p. <br /> <br /> American Society for Testing and Materials, 1980, Water: Part 31, Annual Book of ASTM Standards, <br />American Society for Testing and Materials, 1916 Race St., Philadelphia, Pennsylvania, 19103, 1401 <br />p. <br /> <br /> Brown, E.; Skaugstad, M.W.; and Fishman, M.J., 1979, Methods for collection and analysis for water <br />samples for dissolved minerals and gasses; Book 5, Chap. A1, Techniques of Water-Resources <br />Investigation of the United States Geological Survey, U.S.G.S., Publications Sales and Inquiries <br />Office, Federal Office Bldg., Denver, Colorado. <br /> <br /> U.S. Environmental Protection Agency, 1979, Methods for chemical analysis of water and wastes: <br />EPA-600/4-79-020, Environmental Monitoring and Support Laboratory, Cincinnati, Ohio, 45268. <br /> <br />All of these references are available for inspection at Division office: 1313 Sherman St., Room 423, <br />Denver, Colorado, 80203