Document wDZ1vv4gade5LB95BgoKpXQqd

MINNESOTA MINING AND MANUFACTURING COMPANY 00 OU8H AVCMUt I M H t HAUL . Ml MHK8 0 TA T E L E P HONE P* . M ED IC A L D EPA R TM EN T - IN D U S TR IA L H YG IENE CENTRAL RESEARCH DEPARTMENT 1301HUDSON10AO ST. PAUL18.M1HNS0TA November 22, l$6l Kr. Jacob Gbol&k ' Kettering Laboratories University of Cincinnati Men Avenue Cincinnati, Ohio Dear Mr. Chelaki This will confina ywire of Wednesday, November 22, in which we re qteunetsitoend tohfeDsrh.ipRm. eCn.t Cofhroinsetophuhnedr.redDtrw. eCnthyribstlooopdhelreaisd kouitrsmtoeditchael acotn ssoumlteanoft aoutroeurarglilearsscboenavderpsaltainontinanGdaicno,rArelsapboanmdae.ncYeotuhaatyIredceascllribfreodm an exposure to inorganic lead pigments as atmospheric dusts during the mmannaugfeaecetunrtehoasf athgereegdlatsos boeuardssufgogresotiuornrethflaetcttihvies perxopdousucrtes.beTfhoellloowceadl using your services for blood lead analyses. As you know, it has been ostuurdcieusstohmereinintheoupraoswtntolabfoolrloawtortiheess.e Texhpeoresuhreass bbyeemnoantchelyrtauirninaamryount of delay involved in arranging for this switch-over fro urinary to blood samples. As a result, it has bean ore than a month since our on were checked which proKpted the telegram to you as soon as the decision was definite. Unless we hear to the contrary we will be forwarding these samples to you under code numbers as discussed in one of my earlier letters. For your information, I amattaching a copy of the current list of code numbers and the corresponding job titles. All of these employees are required to wear dust filters while on the job and this regulation is well enforced by our supervision. Dr. Christopher will draw these blood sanples arc ship themdirectly Itof,yofour. anAys rineadsiocant,editebaercloimere,s ynoeucersrseasryulttos rsehqouuledstbea rreespaomrtpelde oton mae. MAKC-- q r "SCOTCH'' ...N O . . C O M . SENSITIVE AON...VC. TAPES "SCOTCH" BMNQ ELECTRICAL AROOUCT "SCOTCH MANO MAGNETIC TATE "SCOTCHGA O MANO STAIN RCk l CR "SCOTCHLITt" .KANO MTLICTIVI SHEETI N .. "TMS8MO-SAX" ..ANO CORVINO MACHINES ANO COAT RARER .KANO - M " BRANO AHOTO ORASET r La TCS "SM " ABRASIVE AAASR HID CLOTH " " ADHESIVES. COATINGS AND SEALERS " ! * " ROOAINC GRANULES "3M"CHCMM a . a ^SfOltL Wf&ea a Bwvi.tvn w . Mr. Jacob Chelok MoTKbr 22, l?6l particular indiTidMO., please sead year request directly to 1*. Christopher. Best persobs! regards. KSSfeaesa See. H E 00^6*63 i * ti' 7u rT r.i t?f n tesV *rf fe** i<& 1/.,, FTfSA orw * r Operator For** fr*toru . Sha**r cp**,fc<wr . $% * T* t< x t . F\*ric *?tor ? . 5htor *'yreter * 7 ,, Vor^a^r *om 7*cnt 1 0 . 'ra-v Forrr fntr 11, Stetor Cto*"*tor 1,?. ?ciir: -" n . ;r**r Op*r*tr il. i.h**r I1e/... 5fus*ri*-*''Cit=ojr**ertotrw i" , *1 Fefitor ti.,rtar If * fiitof Orr*t*r 001?# aoj. fu r m a * Op***'y F-me# 0fr*tos' Ws *rsA . K>U. cG.. Fxtrmc* C u r e te r Pustsbc* fsr oe c * Otoretor . K". '*. n2Co?.. Fiarme Ofrtor Nt mc operator &5B ' ffi3ce Operator 2U. !&*> Vi,fe*ii n i . Pwt t meo* Oprr m .m . fpwrmee p*r*tar $ m sp u r n s. m& m ip oe 21t. m. ni?. e^ &>lpwr ' ?etoea*iwsietio tpe*'-!war nnei., m? :j.. r?3. mfsN*fcv#&*iMp*sr t*a8u*r4i fKefrtlijiSiSF' n ii~ Stias- t&fc K ? 0000064