Document 6wyNdb3M33yYqOBRG195qZEy1

ISSO ESsS'CHATD r&xff&xgs CC^PASt f B. O. BOX 43, ladea,H.J Tot'"'.!.gr:#"B*'$vagrvto, rerd.. ,.',;''.' ?-''; * Br, B* W*'es, Cteypla ':'. -".* vt;j ;b . fie. s. D* Siaia* -*Jk m m & - . ` '`As- a follow-up to oar aeotln? tas other day ia Batrolt, % fesli f'thlnh th Jteblio Bsalth . Service objectives nr i studying'lead vorlf^tsl t$*.s4to* .,; .. BQtive 'Industry. - -, ... . - ? ,...; ...... They baliovo that there is sos frsgsentsry hut wa- satisfactory evidoaea which Inditeais that lead levels which ,Vi .ere-sow., 'tSoag^t-t' b safe actually 'tady. not, h@ .isaf#*',aafr they'' believe that a study of a rcag of industrial Epcsures would Lslp to develop aaavers as to what dcoa constitute a-safe Tead- e-nposure* Thus, tliey arc looking tor worhors who have beaa : ssposed to lead is their ccsupatioa-sad arc ihialsing of those . is the automotive industry,,as wall as those i & t h a poiroloua' industry and th bssi load industry, such as tha.hattary in dustry and tho lead smelting austry* Mist tbsy would lihe . to undartsh; 'a these .workers.' is..either a :tetrpspeotiv .study of crMdity and mortality of'workers who have been espossd for 5 yasro or *scr to load who have hnowa lead lovols cither ia the bleed or the urine* la addition, if records arc avail able, they would lib to comparo the besoglobia, red blood cell lev elsj rod blood cell fragility tests, and possibly urinary coproporphyria* The objective cf those studies would bs to e s e '-if tb# ^r cay at cf load- at levels which are new believed, to be care* Tbs purpose cf such studies would not bo directed primarily at the worhors thenselvos but rather ia.. 'to establish standards for---' th general p^^iatiaa. . ;. If it is isipossibl to utsertsko retrospectivo stedios, tSm- thoy woiild libe to so sao picas saade. fo? respective indios JLa which the abov deiomtnaiios f isorhidity, mortal!iy, jfcd blocs!. cenata, red blcod cell f a ^ gityr .and possibly cther poteatial effeets o 2 ,.load would.b@ etudied- ia a group c f :verbera -evpesed to load Asal, tha objectiva' of those studiea-- weuld ' ta to try to holp detoraiaa vhat is,,.*, lovel o S ..espesar- to load cf tha coneral pcpulatioa cinco -at tfiO-Ihsshio'Coesaittaa hsarinya and at tba iDaddario Ceasitteo. hssiriags tMo'paat sua- B8 tho ireplicatiea 'vas1mdo;. thnt poopl aay- t bei&g affected tsy proseat tarclo .d load. ia';thsir esviro^sont, onelusiv f whotiior they |:r boin^ cnpessd t leed ia their ocsupatxca. It voul cesa pessifela, if this is dosired, t hava " .such studica conueted by trsasferrig; fresa your' cwii recerda ' ente appropriat fora tbo-type.of iafornatica that siisrht h HE 0015-1 (7