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1
Published 1998
American Chemical Society
Subjects: “...Universities and colleges / United States...”
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2
Published 2002
American Chemical Society
Subjects: “...United States / Environmental Protection Agency / Office of Pesticide Programs / Rules and practice...”
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3
Published 1984
American Chemical Society
Subjects: “...United States / Army / Corps of Engineers...”
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4
Published 1988
American Chemical Society
Subjects: “...United States / Environmental Protection Agency...”