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Toxic equivalency factors (TEFs) for PCBs, PCDDs, PCDFs for humans and wildlife.
An expert meeting was organized by the World Health Organization (WHO) and held in Stockholm on 15-18 June 1997. The objective of this meeting was to derive consensus toxic equivalency factors (TEFs)Expand
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Ecotoxicological Risk Assessment for Roundup ® Herbicide
Glyphosate-based weed control products are among the most widely used broad-spectrum herbicides in the world. The herbicidal properties of glyphosate were discovered in 1970, and commercialExpand
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Global distribution of perfluorooctane sulfonate in wildlife.
  • J. Giesy, K. Kannan
  • Environmental Science, Medicine
  • Environmental science & technology
  • 1 March 2001
Here we report, for the first time, on the global distribution of perfluorooctanesulfonate (PFOS), a fluorinated organic contaminant. PFOS was measured in the tissues of wildlife, including, fish,Expand
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Ecological risk assessment of atrazine in North American surface waters.
The triazine herbicide atrazine (2-chloro-4-ethylamino-6-isopropyl-amino-s-triazine) is one of the most used pesticides in North America. Atrazine is principally used for control of certain annualExpand
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Toxicity Reference Values for the Toxic Effects of Polychlorinated Biphenyls to Aquatic Mammals
Threshold tissue residue concentrations of polychlorinated biphenyls (PCBs) and 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TEQs) were derived from the published results of semi-field (i.e.,Expand
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Perfluorinated Compounds in Aquatic Organisms at Various Trophic Levels in a Great Lakes Food Chain
Trophic transfer of perfluorooctanesulfonate (PFOS) and other related perfluorinated compounds was examined in a Great Lakes benthic foodweb including water–algae–zebra mussel–round goby–smallmouthExpand
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Occurrence of butyltin compounds in human blood
Residues of butyltin compounds, including mono- (MBT), di- (DBT) and tributyltins (TBT), were measured in human blood collected from central Michigan, U.S.A. MBT, DBT, and TBT were detected in 53,Expand
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Analytical Methods for Detection of Selected Estrogenic Compounds in Aqueous Mixtures
Both natural estrogens and synthetic compounds that mimic estrogen can reach the aquatic environment through wastewater discharges. Because nonylphenol (NP), octylphenol (OP), nonylphenolExpand
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Species-specific recombinant cell lines as bioassay systems for the detection of 2,3,7,8-tetrachlorodibenzo-p-dioxin-like chemicals.
Exposure to specific polychlorinated diaromatic hydrocarbons (PCDH), such as 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD, dioxin), produces a wide variety of species- and tissue-specific toxic andExpand
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Response of larval Xenopus laevis to atrazine: assessment of growth, metamorphosis, and gonadal and laryngeal morphology.
Larval Xenopus laevis were exposed to one of four concentrations of atrazine (0, 1, 10, or 25 microg/L, 11 replicate tanks per treatment, 60-65 larvae per replicate) dissolved in an artificial pondExpand
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