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1
by Grimsrud, G. Paul, Finnemore, E. John, Owne, H. James
Washington, D.C. : U.S. Environmental Protection Agency, Office of Research and Development, 1976

Government Document Book
2
[Harrisburg, Pa.?] : The Dept., 1995
1st revision June 1995.

Government Document Book
3
[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Water, 1997

Government Document Book
4
Washington, DC (401 M St. SW Washington 20460) : U.S. Environmental Protection Agency, Office of Enforcement and Compliance Assurance, 1994
[Rev.].

Government Document Book
5
Washington, DC : Exposure Assessment Branch, Standards and Applied Sciences Division, Office of Science and Technology, U.S. Environmental Protection Agency, 1996

Government Document Map
7
[Washington] : [U.S. G.P.O.], 1967

Government Document Book
8
Washington : Environmental Protection Agency, 1977

Government Document Book
9
by Simpson, Jonathan T.
Washington, D.C. (401 M St., S.W., Washington 20460) : U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds, Assessment & Watershed Protection Division, 1991

Government Document Book
10
by De Zuane, John, 1922-
New York : Van Nostrand Reinhold, 1997
2nd ed.

Book
11
[Washington, D.C.?] : U.S. Environmental Protection Agency, 2003

Government Document Book
12
[Washington, D.C.?] : U.S. Environmental Protection Agency, 2003

Government Document Book
13
by Spellman, Frank R.
Lancaster, Pa. : Technomic Pub. Co., 2000

Book
14
[Washington, D.C.] : U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2003

Government Document Book