Document MJDaey25n0Vee501y9ZRQBeaz

. v?--rsU^KV - ' . WRG0(W844 .iV- : C / - > Vi * Personc.1._esndo Confidential TO: ^ R. W. Sterrett (Zonolite/ Chicago) PROM: 'Peter Xostie . DATE: SUBJECT: Tf PLAINTIFFS Ij EXHIBIT ^ WRG-475 February 13, 1968 Dust Controls CC: ,r; J. P. Cshelane E. L. Mears J. F. Murphy, Jr. U. L. Teggart On 2/G/6C, M last in Cincinnati with J. R. lynch. Assistant Chief, Environmentol Activities. Field Studies, Occupational health Program, U. S. Public Health Service, for the purpose of discussing dust controls. He agreed hi general with our plan of approach to the problem at Libby, that is (l) an industrial hygiene survey for purposes of - " counting end '-.aa--yninr; the airborne dust, identifj^ing areas of air "1 ccntaminaticr. an-1 ree misleading corrective action- (2) complete work )r I 'T-*.; '. - r - histories on all 32 esplcfees who show abacrnal chest X*Rcye: and .(3) up to date chest X-Ray pictures on t.is 32 to be reviewed by an 1- expert in pulr.oii.iry diseases. . .. ., Regardin'-. dist prrticSe sizes to be counted there was a difference . " *' of opinion, you. 'Jill i\se*li, between cur J-M adrlsoK 3 and Maryland , Casualty. J-! ricomr.rr-jcei counting all particles under 10 microns in size. Msryiurd ?&Tua. .ty recommended courting all over 5 microns. lynch ;-c.' ' concurred with J-M. . ;' .vR< Lynch alto itresf.-id, as did J-M, uh a importance cf good housekeeping and scheduled chicluLn.r: cf mechanical dust reuoval eeuipnent, chutes,...sffi'gSLy; conveyors, eic-va.ors, .....1-/> I think vre ic.: have enough advice and information to go ahead as follows: 1. Arrc: for J-M Industrial Hygienists to dc- the survey and labr.*:- st >ry vwk as. proposed.. I? it is agreeable to you mid Butcl 3 .eicb 1'o like tc set this ur> us seen as possible after . March 1, 196JM '- - 2. Writs ';) verb. histories< patterned after the attache;5, sample, CD. t' 3 ji. s* This*,11..f .. -sVl'.ov1lc of course "b.e.. donc by .Libby irr -.agerusnt terser usi. T^e iipcrtancc cf clarity end c.:;ilrbeucss should be strewed. This project should be start sd I'meJiat ely. .j - 1;-r--'VA-Cr-.-jf.bt.. - Repent :h:st .`f-I sys on the 32 e ;p).oyeez in question. As I recall, this rucl eusr.lna.tion is duo ir. April or May. If this is *o: s case, ve should vc.it until then so .s not to arouse undue vJf c. aijprsheision. PLAINTIFF'S -I'f v;tV ir ^ *..-i-r'. EXHIBIT - '_: Jfyf 6seV*KbGcVv3l'{ t'-. 'c. .r-`- >