||Letter from Dow Chemical Company to USEPA Regarding Information on TCDD, Chlorinated Dioxins and Phenols, PBB and PCB Environmental Monitoring Data with Attachments.
||Dow Chemical Co., Midland, MI.;Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
||5 Jul 1978
Water pollution ;
Environmental monitoring ;
Chlorine organic compounds ;
Polybrominated dioxins ;
Trace amounts ;
Polychlorinated biphenyl ;
Natural resources management ;
Analytical chemistry ;
Water pollution effects ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||The data indicated the presence of trace amounts of TCDD (2, 3, 7, 8-tetrachlorodibenzo-p-dioxin), other chlorinated dioxins, chlorinated phenols, PBB (poly-brominated biphenyls), and PCB (polychlorinated biphenyl) in some of various samplings of fish, generally taken from the lower Tittabawassee River in Michigan. The TSCA 8 (e) Risk Evaluation Group has concluded that the data on TCDD do not appear to indicate a substantial risk of injury to human health or the environment. Dow is not a producer or processor of PBB or PCB. We are not familiar in detail with the effects information on these chemicals. The monitoring results cover selective analysis of water and mud from the river, the plant discharge stream, native fish from several locations above and below Dow's Midland plant, and a bioaccumulation study. The monitoring occurred during the period of latter 1976 through June, 1978.
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||68D; 57Y; 57H; 98F
||PC A19/MF A04