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Air pollution control (71 - 80 of 80 items)

[Views on EPA Implementation of Clean Air Act]
http://www.gao.gov/products/120433

B-208593: Published: Dec 30, 1982. Publicly Released: Dec 30, 1982.
Indoor Air Pollution: An Emerging Health Problem
http://www.gao.gov/products/CED-80-111

CED-80-111: Published: Sep 24, 1980. Publicly Released: Sep 24, 1980.
Environmental Protection Issues Facing the Nation
http://www.gao.gov/products/CED-79-63

CED-79-63: Published: Mar 15, 1979. Publicly Released: Mar 15, 1979.
Improvements Needed in Controlling Major Air Pollution Sources
http://www.gao.gov/products/CED-78-165

CED-78-165: Published: Jan 2, 1979. Publicly Released: Jan 2, 1979.
Department of Defense Air Pollution Control: Progress and Delays
http://www.gao.gov/products/LCD-77-305

LCD-77-305: Published: Jul 18, 1977. Publicly Released: Jul 18, 1977.
Environmental Protection Issues Facing the Nation
http://www.gao.gov/products/CED-77-92

CED-77-92: Published: Jul 8, 1977. Publicly Released: Jul 8, 1977.