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Evaluation of arsine Threshold Limit Value. Evaluated the scientific basis for the ACGIH Notice of Intended Change for the Threshold Limit Value for arsine. Comprehensively reviewed the toxicological and epidemiological literature on arsine, as well as evaluated the studies upon which ACGIH relied for the historical and proposed TLV.
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A study to quantitate historical benzene exposures to railroad workers. Managed and designed an exposure simulation study to quantitate historical benzene exposures to railroad workers as a result of conducting repair activities in a roundhouse where diesel locomotive exhaust had accumulated.
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A study of benzene exposures to workers performing brush control activities with gasoline powered equipment. Managed and designed an industrial hygiene sampling study to understand benzene exposures to workers performing brush control activities with hand-held gasoline powered equipment.
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Analysis of endodioxins in total background dioxin toxic equivalence. Prepared comments on the EPA health risk reassessment of dioxin regarding the scientific basis for incorporating endodioxins in estimating total background dioxin toxic equivalence. Evaluation included a comprehensive review and summary of the scientific literature and the toxicological significance of endodioxins as natural dioxin-like compounds.
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Evaluation of emissions from indoor floor cracks originating from groundwater contamination. Evaluated the need for warning under Proposition 65 requirements related to emissions from indoor floor cracks originating from groundwater contamination. Calculated estimated indoor air PCE and TCE concentrations from indoor floor crack flux measurements using indoor air modeling techniques.
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