Document bRVN4azXE7MGKL5jQxwpo3K6

*r<V '\ *V-r.4?MP plaintiffs EXHIBIT hlUS'Ob. PL AWT- - ^rp^cr^lUwJrtr2V$? , 11 W. - .`V- : KtNfc 37* :tsa* r;' --* >' - * -. * A . > -'ji* '-;. ;: a. * * ' *,: .'V; '">> r;< * *>-. y^-v-,-y> i-f-gSff.ofiy1 *;3-7 ^ ' %V* A * .. r Hr. J. V. HcHlllaa Uodu Buosor Pittsburgh Cbrnlas Os# Tyler, Texas 75701 Dear Xr. Udttllau ** V # .** v *> d*t?4.. *: -.w<:./ : ; :&..'... W 4# W Tho analysis of the air saaplea collected in your pleat during our survey la Kerch 1967 baa beta cooplaeod. and the remit* cm attached. The Ispinser aesploa ware counted dories the survey'"*-* using the Aoaricsn Coaferooce of Covcrnsaotal ladootrial Ifrslcnl^ts* netbod. The naabroae filters vara rendered transparent with m' * t 50*50 sdxture of diethyl oxalate, dlaathyl phthalote aad at A30X aaeolficatloa with phase coatrsst lllealsatloo# counte; d-* 3 :. -r/ % -t -f* . r-s: The dust concentrations as ncasurod by l^plogor exceeded the 5 Billion particles par cubic loot Threshold Liaalt Value correctly In use, in a nuaher of locations. The nsbreao flltor notbod la cxperiaantal and no standard has bx act for its Interpretation in this country. (The British Occupational ny&lone Society has Issued "Hy&looo Standards for Chrysotllo Asbestos Cuat** for the 5ju fiber counts in fibere/cc as followst Bcsllglblo. Leas than 0.5; Low. 05*2.0i Kediua, 2.0-10.0} High. Kora then 10.0. They also recouoend that "Whoa it ia aacaasary to work In a 'high duet* arca aa approved cash should ba worn. ** The atenderda era for threo-aonth averages.) Scan ralationahlpa between the faplimac and filter suasorcacat. and eooe results of surveys of other a beotoa product areas. are discussod in tha enclosed reprints. # Tour cooperation ia this study la sincerely appreciated aad tha data sained froa your pleat la of considerable value. J, * f '4:0 . # Sincerely yours. i JELTBCHtna Enclosure ees Dr. Lee Grant Dr. Crall/ Pros. Hgnt. Offer. Jcrcrdah 8. Lynch *-* Aset. Chief. Eavlrouaental Activities field Studies Occupational Ooalth Progeaa PLAINTIFF'S EXHIBIT O '&dM6ss Klxlflg *5 .'IS ; s\f* . m \,-v.. Air Saa?l of.tfaxrb 1967 71tstnxs& Coralog, Tjflcr. ?ra ,. Srw>W0~ WHicr A * 200 - : 0.5 212 . 21.4 . . 214 13.5 . . : % 202 210 #M 216 0 117 4.9 102 2.2 103 ` 7*8 . . ji 0. 1 ; . i x; - . . i- . * tryyy--. 1 : . i 204 330 . 328 210 217 309 26 34 ; i * 4.7 5.3 2.9 4.0 1.2 4.7 IA ZA ' ngTOTTrai Vlbcrs/cc "Sowla _?QgP.l 5J1 4> 201 213 215 7 9 23 1C9 114 203 211 217 8 23 403.78 491.44 451.46 j255.56 253.77 \ 216.73 ; j 613.39 336.61 i 240.5 115.6 230.23 200.57 7.8 18.4 178.13 3.9 8.2 71.08 73.5 45.3 266.4 119.0 203 229 327 318 316, 308 ' 27 25 92.9 177.3 61.6 39.3 11.9 11.5 78.6 26.7 * 53.4 49.9 21.8 15.3 7.2 7.6 20.3 15.2 S * Sraathldg Aoar tfmHrifflO ixfta&x^aoB&emxm 11tar rsqplas. 7or*l tvwftgwtt ftlW Maploa OftUwtri ty a Ottiliag ptsb vora Snr 'i litubocsh Cormirg 2 'i* Oporatloa laplngcr Membrane Filter Flbayg/ce SfltPlo^ troef Sftrela * Total + fomlng 1 23.3 15.4 2 54.7 22.5 3 20.0 12.8 S 10.1 5.5 10 44.5 21.4 11 30.6 14.7 29 73.6 20.3 V ciU3& 30 - 32 tto Bccsrc=i tliicrs ver? reaa-^ tr=. ."35 * . -- 26.4 77.2 41.2 10.1 45.9 26.9 .3 33 51.8 21.0 39 31.7 11.1 ICO 83.3 30.4 107 87.3 60.5 103 134.65 66.35 111 87.1 43.0 112 93.4 48.3 113 267.51 117.37 120 4.7 Curing Finicking _Sm- 0.1 313 10.9 331 37 312 19 9 . 4.0 8 2.5 260*5 140.6 310 199.9 67.2 13 12L.0 72.3 323 33S 207 6U2 32.4 74.0 mt .6 20.1 46.4 : ** 84.0 9 51.6 `.*v -. . * f- 0. " '. .>g \ **/. . > Vi-v-v;.*- _K?0 * * ?.>: .. 0. * 0% m". V * - J htuborsii Corning Operation Vlnlfklng L ift Truck Driver F a f*cfciS Packer 8 j Bo* Makar tZdg&cr p r *. Saalar 8- . Bltnlit Bndlwr * *. Forklift Opecatar p- - Igolggsr . .. .... _ Mcgftrtm FMtgr _ -..JUnWvz --Barola 4 vm>cf ____ Hm&let 4 Total S-*t . 123 1.0 8 70wC 23.0 203 333 2.5 as , 313. 2.1 -. 1 209 337 16 14 22 23 314 17 21 110 101.7 27.9 10.7 40.2 20.2 69.2 24.3 27.4 11.2 4.7 .26.1 7.0 31.0 13.2 10.0 0.0