Document 4a0698M77REe6E5ZLYa4km9YV

IN H R OJ > JC E Mt.MU TO J Chiolero AT Morgan Mill, Callf. date *Ojr 1, 197* from Leonard A. Krause at Maw wjECT Vinyl Chloride Analyses copy to Mm Ray Oahu , R.l V. V. Hollander R. Readerson Following are the results of analysis an samples submitted f-v vinyl enieride in air; (Ramplee taken Railding 16). Morgan dill Staplt No. 1 2 3 4 5 6 7 8 j 10 Description *3 9;50 A.H. *3 12:05 *3 9:25 b3 7:20 A.K. (6/3) b:60 B3 8;05 (6/6) 03 close to PVC 8:45 (6/6) close to PVC 7:65 (6/10) Vinyl Chloride ___ ess lass than 0.10 samples from fire nix room: 1 t>3 11; 45 (5/13) 2 ---- 10:30 (5/16) 3 6 J3 b3 10:05 (5/15) 6:65 (5/16) 5 "3 9:20 (5/17) 6 d3 12:65 (5/20) 7 -3 10:30 (5/22) 6 Beninu uood 8:15 (5/29) 9 behind hood 8:30 (5/30) 10 behind nood 12:55 (d/6) Comtent. Sanplts suen as these mould not he neid for lone period of tim . Vinji cnlorlae in air does decompose over a period of tine, tne actual loss lc concentration being debatable at this tine. Bouev r, ve do Know tnat a mininun of loaa can be axpaatad In 6*10 days. Reyonc this tine, it Is probable that aa such as 50-701 could be lost. This Is not to Imply tnat those sample submitted are lncorr ct, It does mean tnat possibly the values were higher, although not exetsslve. It Is suggested that to avoid losses of a major portion, smaller groups of samples be submitted as soon as they are taken. OLI 4368 WHY * * THIS COPY? IF YOU MUST RETAIN IT. SPECIFY A DEFINITE RETENTION PERIOD: ONE YEAR. OTHER_____ u. ChiOlTO 2- tuif x# m w# ar now in tho prooosa of developing a proaodurs whlab will eliminate tbis lots problem. a* soon as it i* rritT. mtarial and inatrweilone will bo fonrardad to yau. Zn the meantime, racutainer tubes arc being forwarded to you under soparato eover for oontinued ust. Zf taere aro any questions, ploaao aall us. ^Aa/pJ Leonard A. Kraus# OLI 4369