Allen W Verstuyft

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In 1998, the US EPA announced the HPV Challenge Program, a voluntary chemical data collection effort. The Petroleum HPV Testing Group (PHPVTG(1)) volunteered to provide data on approximately 110 high boiling petroleum substances (HBPS), i.e. substances with final boiling points ≥ approximately 650°F (343°C). These HBPS are substances of unknown and variable(More)
An overview of sampling and analysis of phospine with an emphasis on industrial hygiene is presented. Recent advances in solid sorbents behavior allow these devices to be used followed by gas chromatographic analysis. Sampling with filter paper--AgNO3 and colorimetric analysis remains a reliable technique. A comparison of the strengths and weaknesses of(More)
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