"B-207211"--1st prelim. p."GAO/RCED-83-73.""January 26, 1983."Cover title.Mode of access: Internet
"RED-76-60."Stamped on cover: Feb. 9, 1976."B-166506."Cover title.Mode of access: Internet
Description based on: 1975.Data for 1972-1974 are issued in one volume.Mode of access: Internet.Issu...
"July 1980.""United States Environmental Protection Agency, Water Division, EPA-Region II"--Cover.Bi...
"B-217137"--1st prelim. p."GAO/RCED-85-12.""January 4, 1985."Cover title.Includes bibliographical re...
"B-234736"--P. [1].Cover title."GAO/RCED-89-101.""April 1989."Mode of access: Internet
"Prepared for Office of Research and Monitoring, U.S. Environmental Protection Agency.""William J. L...
Publication date stamped on cover."B-166506.""CED-77-18."Cover title.Mode of access: Internet
"EPA-600/1-78-032.""May 1978."At head of title on cover: Research and development.Mode of access: In...
Cover title."CED-77-12."Publication date stamped on cover.Mode of access: Internet
"B-257487"--P. 1."GAO/NSIAD-94-168.""August 1994."Cover title.Mode of access: Internet
"B-158195"--p.1.Cover title."GAO/OCG-89-20TR.""November 1988."Mode of access: Internet
Sponsored by Defense Nuclear Agency, conducted by U.S. Army of Engineer Waterways Experiment Station...
"GAO/IMTEC-92-58BR.""June 1992.""B-248721"--P. 1.Cover title.Mode of access: Internet
"B-231234"--p.[1]"GAO/RCED-88-101"Cover title."August 1988"Mode of access: Internet
"B-229105"--P. [1]Cover title."GAO/RCED-88-20.""November 1987."Mode of access: Internet
"RED-76-60."Stamped on cover: Feb. 9, 1976."B-166506."Cover title.Mode of access: Internet
Description based on: 1975.Data for 1972-1974 are issued in one volume.Mode of access: Internet.Issu...
"July 1980.""United States Environmental Protection Agency, Water Division, EPA-Region II"--Cover.Bi...
"B-217137"--1st prelim. p."GAO/RCED-85-12.""January 4, 1985."Cover title.Includes bibliographical re...
"B-234736"--P. [1].Cover title."GAO/RCED-89-101.""April 1989."Mode of access: Internet
"Prepared for Office of Research and Monitoring, U.S. Environmental Protection Agency.""William J. L...
Publication date stamped on cover."B-166506.""CED-77-18."Cover title.Mode of access: Internet
"EPA-600/1-78-032.""May 1978."At head of title on cover: Research and development.Mode of access: In...
Cover title."CED-77-12."Publication date stamped on cover.Mode of access: Internet
"B-257487"--P. 1."GAO/NSIAD-94-168.""August 1994."Cover title.Mode of access: Internet
"B-158195"--p.1.Cover title."GAO/OCG-89-20TR.""November 1988."Mode of access: Internet
Sponsored by Defense Nuclear Agency, conducted by U.S. Army of Engineer Waterways Experiment Station...
"GAO/IMTEC-92-58BR.""June 1992.""B-248721"--P. 1.Cover title.Mode of access: Internet
"B-231234"--p.[1]"GAO/RCED-88-101"Cover title."August 1988"Mode of access: Internet
"B-229105"--P. [1]Cover title."GAO/RCED-88-20.""November 1987."Mode of access: Internet
"RED-76-60."Stamped on cover: Feb. 9, 1976."B-166506."Cover title.Mode of access: Internet
Description based on: 1975.Data for 1972-1974 are issued in one volume.Mode of access: Internet.Issu...
"July 1980.""United States Environmental Protection Agency, Water Division, EPA-Region II"--Cover.Bi...