Document 0LovED0a0G6gYEajKOGMyXaXn

DOW CHEMICAL U.S.A. June 23, 1978 LOUISIANA OIVISION PLAQUEMINE. LOUISIANA 70784 S04 SSS-BOOO All CPE Plant Employees and Laborers cc: B^ftye Doughty \0. E. Halphen A. J. Seidule R. G. Vaughn 1,1,1, TRICHLOROETHANE EXPOSURE STUDY \ On Hay 19, 1978, a study of the operator exposure to 1,1,1, Trichloroethane was undertaken. ' An operator washed and cleaned a greasy piece of metal to determine the chloroethane concentration expected when performing a similar job. Four 15 minute tests were run and the results from the readings taken were well below the TLV of 350 ppm for 1,1,1, Trichloroethane. Attached are the results of the study. 5^ R. S. Fileccia CPE Environmental Health shw attachment DO A 112161 CONFTDrNTTAL AN OPERATING UNIT OF THE DOW CHEMICAL COMPANY  L.1P-B-A (REV. fSS THE DOW CHEMICAL COMPANY LOUISIANA PIVIBION Environmental Control KgPOWT OF ANALYSIS REFERENCE N 13.DATS THIE REPORT <3^ IW .7 f DEPT. AL Samples ID i;a-i on- a on- 3 on- h Compound c A Concentration 3L).V 'pprm %M 2-. far*-* n 3"l 0 (o y5p fv-i 1 H4 "l. nOm Remarks QJIm s/n Isg Rj/s*s*-~ r sr/n s~//i 1L>asi~ f ~/n i GC Column /Q mis Solvent !Q B1ank 0* Spikes 7>V) t. Other Analytical Method 3 a& C$- /S% Temp. * Dect. Zao ^ D0 A 11 2 j , CONr T DCNT IAL IONED JLsnz