bjork - Woburn Toxic Waste Trial Kathi Bjork, Ph.D. October...

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Woburn Toxic Waste Trial Kathi Bjork, Ph.D. October 2002
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Woburn Toxic Waste Trial Summary Chemical Medical Epidemiology
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SUMMARY Woburn, MA – Boston Suburb, pop. 37,000 1960/70’s: Leukemia Cluster – E. Woburn 1979: 1982: 8 families file lawsuit Unifirst ($1.1M settlement) WR Grace Beatrice Foods
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SUMMARY (Cont’d) Trial – 3 parts (bifurcation) Did the co’s contaminate the water Did the water cause the leukemia Assess damages Beatrice absolved; WR Grace settled out of court $8M
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Chemicals named in the lawsuit detected by the Mass. Dept. of Environmental Quality Engineering, May 14, 1979 : Chemical Concentration Well G / Well H (micrograms per liter) U.S. EPA MCL Public Drinking Waters (micrograms/ liter) Trichloroethylene (TCE) 267 / 184 1 Tetrachloroethylene (PCE) 21 / 13 1 1,1,1- trichloroethane 1 / nd 26 Dibromochloromethane 2 / nd -- Chloroform 12 / nd --
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TCE Solvent, VOC Uses Remove grease from metal parts Make other chemicals Other: typewriter fluids, paint removers, glues, spot removers, rug cleaners Health Effects CNS Liver, kidney damage Animals: tumors – liver, kidney , lung Possibly leukemia
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TCE Classification IARC (International Agency for Research on Cancer) Group 2A: Probable carcinogen Sufficient animal; limited human evidence
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bjork - Woburn Toxic Waste Trial Kathi Bjork, Ph.D. October...

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