Document B838yX6mnJKarMMkp0pe5Dy3m

A pri l 2k, 1937 Mr. I . D ent Jenk i ns H arri son R adi ator D i v i si on G eneral M otors C orporati on L ock port, Hew Y ork D ear M r. Jenk i ns s From the l i s t of r esu l t s w hi ch I am sendi ng you, I th i n k you w i l l he abl e to i d en t i f y the source of the sampl es w hich I obtai ned i n the f oundry on the day of my v i s i t . A llow me to c a l l y our at t en t i o n to the hi gh percentages of l ead i n these d u st s, I am sure you w i l l r eal i z e* as I do* t h at these f i n el y d i v i ded dusts must hav e been i n th e atmosphere around these workmen duri ng a co n si d er ab l e p o r ti on o f t h e i r ac t i v i t y * and t h ei r d ep o si ti o n on these v ar i ous su r f aces i s merel y an i n d i c ati o n of t h e i r presence I n the atm osphere, ' W ith r ef er en ce to the sample obtai ned f rom th e f l o o r , I screened out a l l the d i sc r et e p ar t i c l es of so l d er by p u tti n g the m at er i al w hich I ob tai n ed through a hundred~me3h sc r een , Thus the sample anal y zed co n si sted of m at er i al s w hi ch passed t h i s scr een , f h l s was composed of p ar t i c l es w hi ch coul d easi l y be suspended i n the atmosphere by sw eepi ng or by a i r c u r r en t s. On the b asi s o f th ese o b ser v ati o n s* I th i n k you mi ght w el l consi der th e ad v i sab i l i t y of the use of su i t ab l e r esp i r at o r s i n connecti on w i th t h i s occupati on. M oreover 1 would adv i se the prompt di sconti nuance of th e use of the broom w hi ch was so f r eel y used duri ng the ti me of our b r i e f I n sp ec ti o n of the o p er ati o n . I f you f ol l ow these su g g esti o n s, you w i l l m at er i al l y change th e si t u at i o n of these men by th e ti m e we ar r i v e to examine them. However I shoul d ad v i se doi ng t h i s si nce I am much more i n t er est ed i n pr ov i di ng saf e co n d i ti o n s f o r the men than I am I n f i n d i n g out j u st w hat r esu l t ed f rom co n d i ti o n s of the ty pe t h at ex i st ed when I was i n the p l an t . V ery t r u l y y ours. RAKt i S Robert A, Kehoe, 'M.>. I ?I