Document Yz9K1wyDedRjjrMDZ8a8G0VV

J, '|[;W- : m y I. > Mulholland B* A. Andre .' - Marshall Lab. . T. ft* Matthews B* J. Ttocbimawiea - Haskell Lab. if ft .Qieft'Sa - m':>w/W' mm"fByfmi.m-: .9$ :*. %,w*Vfm> We are concerned that raw material substitutions nay lead, be torfcoiogics 1 problems unless stags sice tskvii. to minimise this risk. , faw materials Which bees net previously mi^i in P .&*. should be CBrefttllV amHrsMMMWt . . before ccnaMurcial use* Screening, in eases where the material bas been widely Used in the paint industry, nay consist of a simple .review of tbs vendor's literature or other published literature. ' Materials not generally.need la finishes should be mere carefully reviewed and in mam cases testing at Haskell mb nay be required* These reviews may lead to a general clearance for use in all products In .any percentage, xn other oases, usage in certain produeta only nay be reconaonded. xn other oases, Haskell Lab may recommend that t*1" awSerial not be used* Qf prod-- net Wee can be a verv iimorfcint factor In assessina the DOtenliia1 hasards. we have been asked, for toxicity ^formation pertaining to the' materials listed below, in most., oases, information in tbs literature ia scanty* Please provida. us with any data that yon may get from vendors so that wa can evaluate it. If known, it would also ba helpful to indicate Which industry*a(s) products would: use each material* . N38268 DUP050049569 ~ s stttafl 1 methyl (9$/7) 9* 9* SWAHI XR > ) P.S. to S. J TroehliBOwics m will prcostly forward any Information received, please let ms know which of the above materials yon think ' need to he tested, please keep in mind that some use conditions ore for from ideal. DUP050049570