Document x1ZV8XQzV4RajKpxYgXBng7By

Mttoh 25, 1992 H* L KLaks, Casualty Agont latloml Tab* Goapony Lorain, Daar Mr* Mialoat 4* . Copy of a loUor wrltton to tho Msdlool Popart--nt tgr DoVltt Hoffman, Indastrlal Hjrgloos Inginoor, la anclo--d for your flloa and information* If thia Divlaion oan bo of ftarthar aorrlooto yoo* plaaao do not haaltato to oall on na* Tory truly yoora, 8operintandnt -*? -r V March 25 1992 8m 0*0* 5997-22 Wiliam H* BoberU Medical Depertmat Industrial OoMiitlon of,Qhlo Colmbus, Ohio GantlaMM i On March 15# 1952 ft visit ws niid* tothe SatlonalTube Coapany, Lorain, Ohio to check oendltlone under which the above turned clallot vortad - ' x . " . *V* s. ^ . * *] ! .** * f Th* ooapeny sanufftoturMaieelV^r >; The oleinent*e as follow?* V*- with this oonpeny is Deoeaber irifcl Wtekbor mT19# WickUysr' V Septenber 16, 1939 to AnjptlO, 1948 bricklayer farenas is a .brlddays*, tfaeifcai*iui4\i^ repair opm hearth ftuxraxMeoOeBeft,' fseUSessi furnaces# lBecsaHUrOyf pjdlts#*,eheckr &&kicfktp', pipe Mill furnaces, ste* All eonstroctioaljob>Me would require eilthcr fir* may briekvideh wold bcmtcln f^ Bmcft or silica brick vhich 1b 90jt free silica* Dost oounts taken la other pleat* indicate that as a trlaUayer daleant was sapesad to dost ftoaoentrationa varying frost 1.8 to 25.0 Billion particlss of dust per outdo foot of air. Aft ft fogemn, he would be subjeot to soaswhet lesser oonoentrationa of dost* Very truly yours. DDStpa DftBitt Buffftaa ; Industrial Hygiene Engineer v *.. .>. . <t . . " >c ,