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Water quality (51 - 66 of 66 items)

Groundwater Standards: States Need More Information From EPA
http://www.gao.gov/products/PEMD-88-6

PEMD-88-6: Published: Mar 16, 1988. Publicly Released: Mar 16, 1988.
Federal and State Efforts To Protect Ground Water
http://www.gao.gov/products/RCED-84-80

RCED-84-80: Published: Feb 21, 1984. Publicly Released: Mar 22, 1984.
Information On California Delta Water Quality Standards
http://www.gao.gov/products/CED-82-30

CED-82-30: Published: Jan 18, 1982. Publicly Released: Jan 18, 1982.
Rural Water Problems: An Overview
http://www.gao.gov/products/CED-80-120

CED-80-120: Published: Aug 19, 1980. Publicly Released: Aug 19, 1980.