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STANDARD OPERATING PROCEDURE Calculation of the 24-hour average concentration of Vinyl Chloride leaving the Stripping System in ppm on a Dry Resin Basis The calculation is as follows: <JCC 101797 Where: A = 24-hour average concentration of Vinyl Chloride leaving the stripping system in ppm on a dry resin basis.

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LOUISIANA DIVISION INDUSTRIAL HYGIENE REPORT AN OPERATING UNIT OF THE DOW CHEMICAL COMPANY ( DEPARTMENT FILE NUMBER LIGHT HYDROCARBONS II LAD-LHC 11-87.01 TITLE LHC II INDUSTRIAL HYGIENE ACTIVITY REPORT FOR 1987 AUTHOR(S)- SIGNATURE(S) _ ., ROCK GUSTIN REVIEWERS SIGNATURE DATE 7-13-88 SUMMARY/RECOMMENDATIONS THE EMPLOYEES THAT HAD A LIKELIHOOD FOR EXPOSURE IN THEIR JOBS TO BENZENE, TOLUENE, XYLENE, AND/OR 1, 3-BUTADIENE WERE MONITORED USING APPROVED SAMPLING AND ANALYTICAL METHODS.

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Caustic Plant 1986 Industrial Hygiene Annual Report Summary The results of previous years' industrial hygiene surveys were evaluated and present problems were identified.

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