Document rpm4M2VDVVg6NJ4jxjraM2aYq

August 25, 1937 Dr. K. D. Bryson 10515 Carn egie Avenue Clevelan d, Ohio Bear Doctor Bryson : I ara sen din g you a copy o f our r u le s and r egu lat ion s for th e h an dlin g o f Eth yl flu id , which booklet con tain s in st r u ct ion s fo r tan k clean in g. Th is w ill give you some idea o f the manner in whloh we attempt t o p r ot ect th e workmen and oth ers who may have occasion to come in con t act with con cen trated Eth yl flu id . As I mentioned in our t a lk s in Clevelan d, we have been sin gu lar ly fort u n ate in so fa r as th ose men are con cerned who blend Eth yl flu id , th ere not having been a case o f lead in t o xicat io n from t h at source sin ce the work has been begun. In th ose sit u at io n s where poison in g h as occurred as a consequence o f clean in g t an k s, i t has in a l l in st an ces been dependent upon the fa ilu r e to observe precau tion s la id down, e sp e cially th at -which r e fe r s t o th e use o f a ir - lin e hose masks, as wa3 the case with t u >men' in Clevelan d. The amples from have not ret been an alyz t e t t h e samples o f u rin e and blood froml and rn rn m /m m am r evealed Abnormal amounts o f leaci, con- fir m H !^ 5 u ^ Slp r ffsio n :o f the manner of t h e ir in t o xicat io n . When a l l o f the an aly t ic al data i s in I w ill send you a copy of* th e r e su lt s toget h er w ith th e in t e r p r e t at io n . May I ask i f you w ill be kind enough to l e t me have a n ote on th e con dition s o fV | fl^ an d at the time th at you discon tin u ed seein g tnem^TE do no^w Tsh. a c lin ic a l r epor t but would merely lik e to have your note as t o whether or not th ey are symptom-free or show any sign s of t h e ir i l l n e ss. May X take t h is opportun ity t o thank you again fo r your cou rtesy t o me wh ile in Clevelan d. Cor dially yours, W'FM:vr W illard . Machle, M. D.