P060 Humic Acid as a Surfactant: its applicability and toxicity. Rayburn, James*,1, Steffy, David1, St. John, Cody1, 1 Jacksonville State University, Jacsonville, AL, USA

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P061 Influence of Sediment on the Fate and Toxicity of the Surfactant MON 0818 to Daphnia magna. Wang, Ning*,1, Besser, John1, Buckler, Denny1, Johnson, Tom1, Ingersoll, Chris1, Kurtzweil, Mitchell2, Honegger, Joy2, McKee, Michael2, 1 USGS, Columbia, MO, USA2 Monsanto Company, St. Louis, MO, USA

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P062 Bioaccumulation of LAS in feral fish studied by a novel LC-MS/MS method. Tolls, Johannes*,1,2, Samperi, Roberto2, Di Corcia, Antonio2, 1 IRAS, Utrecht University, Utrecht, Netherlands2 Department of Chemistry, Universita di Roma 'La Sapienza', Rome, Italy

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P062a Effects of Rodeo®, R-11®, LI 700®, AGRI-DEX®, and HASTEN® on Embryogenesis in Pacific Oysters (Crassostrea gigas). Smith, B*,1, Grue, C1, 1 Univefrsity of Washington, Seattle, WA

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P062b Toxicity of Four Surfactants to Juvenile Rainbow Trout: Implications for Over-water Use. Smith, B1, Curran, C*,1, Brown, K1, Cabarrus, J1, Gown, J1, McIntyre, J1, Moreland, E1, Wong, V1, Grassley, J1, Grue, C1, 1 University of Washington, Seattle, WA

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