Document V3vq8pM9QyeB8RXyr7ROYQb9w

/ January X?# l%kO Dr* >'f* F* <1 Pr l cst er Tandjong Prlols Batavia Dear Sector &** Priestori* 2 have received m n e correspondence through the associated Company bimiteft which Indicates that there has boon some discussion about certain lead analyses which you requested in, the case of workmen engaged in the tailing of dthyl Fluid with gasoline* ' It occurs to m that it nay be tries to refer to our own practice in this regard in ooiaisentliig upon the necessity for these analyses, w have been supervising the activities of several thousand m n who are engaged in this work in the United States* and wo believe from a practical point of view the clinical ess!nation of these m@a is on adequate means of main taining hygienic* control* On the other hand from tine to tine over a period of years, wo have selected a group of these non and have studied their urinary and fecal lead excretion with the idea, of determining whether they trera absorbing abnormal amounts of lead* 2'believe X have sent you reports of the" results of the?? and other exa&lnat ions which demonstrate quite clearly that the occupational exposure of these men 10 negligible. As a result of these studies we arc quite sure that If the equipment Is kept in order, and If the sen carry out their work in accordance with the regulations, there will b no lead exposure or lead poisoning, and there' will be no abnormal results in the analyses of excreta. 2 do not wish to discourage you on this account from asking any tests which you feel are necessary to inform yourself properly as to the occu pational lead exposure of m n under your supervision* Consequently X feel it will b entirely proper for you to' 'have these analyses- sad once a year if you wish and pass the coat of these on as you did before* My only query in the matter has to do with the accuracy of the analyses which arc carried out. 2 should be very much He 00133?4 f m $ m. intcrcatod In teowing vhat bst tmm the cs^erienee of .those \mo &&the mmiyee far p a , m ubct equipment I /available m thus* tm- tm pnp***i and who* m%lmrn of amslyai.# thcf ploy* X ralee thic question beena** there is i aere difficult clinical tm t then that of nafeing man%&ltyoccs*safkoartlheeadanoanlystehe corete* Xt In better, at #11., nias they non of h ocurac, sad ty etfcods which ara. ao precise that they vili not yield aialsadlng results* Our experience in this country hrte eixnm ua that fa laboratories and fm ebanista ere properly- equipped to carry cat then# analyesa, m that, very fair of our colleague realise the oara ittioli is mmmn.vf in order to collect satapiaa that ill not he contoinata with land In the roccea of collection* I alcal ich, thorefer,' to ho quite certain that you have the means of obtaining recise reoulta heforc giving tay blanket apr&ev&X to these analyes* with these ideas in nin&, X should appreciate it very ranch if you would tell me what praoaotione we*- taken m the collection of the i-aiipsa# iMl how the analyse er mele ' Cordially yours. -aKiis cc Mr. Pos sett cc Mr. Tully ScWrt''""X*''ehoe, IT"'i# 0013375