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Ambient water quality criteria recommendations information supporting the development of state and t

Washington, D.C. : U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, [2000] 2000

Ambient water quality criteria recommendations information supporting the development of state and t

Washington, DC : U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, [2001] 2001

Ambient water quality criteria recommendations : information supporting the development of state and

Washington, D.C. : U.S. Environmental Protection Agency, Office of Water : Office of Science and Technology, Health and Ecological Criteria Division, [2000] 2000

Pesticides in air and rainwater in the midcontinental United States, 1995 methods and data

Reston, Va. : U.S. Geological Survey, 2008. 2008

A reconnaissance for sulfonylurea herbicides in waters of the midwestern USA an example of collabora

Battaglin, William A.
[Reston, Va. : U.S. Geological Survey, 1998] 1998

Summary of significant results from studies of triazine herbicides and their degradation products in

Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005. 2005

Work plan for determining the occurrence of glyphosate, its transformation product AMPA, other herbi

Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Information Services [distributor], 2003. 2003