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Search Results : EPA National Library Catalog

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  1 Biologic and economic assessment of the field crop usage of chlorpyrifos : final draft submitted to the U.S. Environmental Protection Agency / 1994
  2 Manmade organic compounds in the surface waters of the United States : a review of current understanding / 1988
  3 A Review of surface-water sediment fractions and their interactions with persistent manmade organic compounds / 1987
  4 Manmade {sic} organic compounds in the surface waters of the United States a review of current understanding / 1987



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