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DOW CHEMICAL U.S.A. October 2, 1978 LOUISIANA DIVISION plaouemine. Louisiana 70764 604 687-4321 Charlie Halphen Industrial Hygiene NOISE SURVEY - VINYL CHLORIDE PLANT PERSONNEL - 1978 All personnel in the plant were checked for noise exposure in July and August of 1978. It should be noted that higher-than-normal results are due to heavy sandblasting in the plant during this survey. "A" Shift Stafford Meeker Dayries Newsom W. LeBlanc Wesley Thomas "D" Shift Crousillac Dille Carville Vallet Brown Craig Dean 36% 80% 54% 89% 29% 64% 74% 6% 0% 15% 13% 43% 11% 9% "B" Shift Carlin Martinez Sprull St. Julien White . T. Templet Bellelo "F" Shift Fitzgerald Young Langlois Bolfer James Cedotal Browning Albarado 7% 29% 6% 1% 40% 109%* 68% 1% 8% 40% 38% 31% 5% 13% 0% "C" Shift Griffin Peyton Daigle Karras Mayfield Hebert Hammonds "G" Shift C. LeBlanc Booth Cox Davis J. Templet Miller Denova 8% 10% 78% 8% 22% 93% 21% 25% 5% 23% 25% 106%** 35% 0% Lab Balentine Achord Phillips Bynum Bailey (EDO) 8% 0% 8% 2% 84% Office Oubre Baker Daniel Hofmeyer Joseph Rentz McDaniel Instrument 13% Lane 3% 3% Saienni 64% 0% Beaucoudray 5% 12% Templet 48% 4% 9% Material Controller 1% Prestonback 0% * T. Templet - Tank Man while sandblasting in area. Sandblasting area reading = 94 dB(A) Tested again - result 15%. **J. Templet - EDO (Steam jets at Sump 1) Area reading with Jets on = 107 dB(A) and 88 dB(A) with Jets off. Tested again - result 5%. AN OPEHATING UNIT OF THE DOW CHEMICAL COMPANY DO 089154 OONFTDFNTTAl Charlie Halphen -2- October 2, 1978 RECAP BY CLASSIFICATION Classification Low Office Lab Shift Supervisor OS - Vinyl Board OS - EDC Board SOT - B-tri Board OT - Tanks OT - Samples EDO 0% 07. 17. 07, 87. 137. 117. 07. 07. High 137. 87. 367. 787. 897. 437. 1097. 217. 1067. Average 6.07. 4.57. 13.07. 35.27. 35.07. 29.77. 54.87. 10.07. 40.37. 00 089155 CONFTPFNTlftl