Document KGzkeLgMJ3Ebr2nqmZ0RoY72x

St. Louis Hr. P. J. C. Haywood Hswport (Airmail) (Airmail) Mr.W.E.Hamor, Ruabon --^JlP.W.H.Rltohle, Ruabon Dr.R.R.Newman, Ruabon December 17/51 Mr.S.M.KUlifay, KruomrlcU Dr.D.S.Weddell, St.Louis Hr.P.T.Marshall, St.Loult AROCLORS i TOXICITY Since writing my note of Dee. 11/51 I bare ahanoed to learn that Anniston people had quite serious skin troubles! bolls, blackheads and the like, among workers In Aroelors. especially 1269. around 1933* A little browsing into the literature reveals quite a history of skin troubles and liver troubles (Including some fatal oases) attributed to heavy exposure to chlorinated diphenyls. The ohlorlnated diphenyls are stated to be worse than ohlornaphthalene* and to bo more harmful the more chlorine they contain. I still think, however, that the exposure In ordinary analytical work should not cause any trouble. S. Mather tm MOMS 095204