Document e7wgKO7kLQO2DZJkBJa6jd6XM

.Jir. Clinton H. Crano,' St. Joseph Lead Company, 61, Broadway, Her/ fork City. April 1, 1922. .My. .dear. Mr.* Crane: . I have had opportunity to disou&s- your latter of March 28, ufwlth;. `my- associates here in -Boston^ At the present time there - .one Method for determining susceptibility.to le%d 'poifioning and we have great doubts ,as .to its reliability. It . consists.: In the .examination of the blood, of workers,after they-: ' have, had a moderate exposure to "lead, it has nothing to do wit the ordinary . questions ; of anemia,, etc . I- .should not. .be in favo , ,'V: ; fig,;-'I-.'.' ;5 of advising you to install questionable value, at the moment, and feel that the bent yon can do to install V ' .' :' I,:-- 1.'; ' f, "your compulsory. physlpbl bxaninR'tion^ ;:1iV:fihifelexaainalidns at f; RSH* '^-Iftc.rvals so as to avoid -n development \of serious:;-; fiMf ^rouble* rA-A'T Vj j ./- Ihe' 'general ..... . ....... .................. . :" , V-' .ork upon lead which we have-been doihg here has -progressed very .favorably and within the, next year we shoul . .like, very much to have opportunity to communicate with physic is yo,u install and assist toward the development of just- such observations ae you now require. If we could work out some method for detecting susceptible individuals we would, of coure perform service of the greatest value. Very sincerely yours.