Document 6B2rp688kYzn10KnvBKENxZvg

. HOMU. M *3. KdtlAtT m pt?A*rmzNT or huitm October 25, 1*6? Wtta&irh Cgmiag fiarparetlaa Be* 37 Part Allegy, Pca^lvtnia; 1670 Attention* ftp. X* 0, Griffith Plant Xsaagor GesblnssR t Surveye vi eofldueted cm Septeafrer t? and 2>, 1967 to evalnats Mbesio* dust exposures to esployeei nanuftoturlng ubetto* pipe insulation and to heat in the Cl*** Slock end Poaagla** plants* Hr# K J* Baker, personnel salvager, atccstpanied* ~ Air- ssaples-fwr-dust""Coots!ning asbestos were collected in adtget i**ingers containing distilled ntr.- A stsrdardissd light-fieId sderosecplc technique n need to count dust* Results tntteat# that exposures is all area* except Maaber 2 building iMehlne (2$ x l lACh ptpe Uiaulation) are less than the threshold licit value of $ ad Ufdfl~pftrtielcs per cubic foot f air baaed on an $-**ur dally exposure* Baaed oc the result* of this surrey the following recoesendatiOB* are aadst t* Check building noehlne muzber 2 pneu&stic conveying erd local exhaust ventilation eyeteas to insure proper operation* Share is a positive pressure la the building machine enclosure. 2 Check the pressure of the eodisas silicate spraying apparatus* 3* Consider lowing the hood located at building eachice nusber 2 to a point vbere it till affectively control duet* Present!/ it d* located ouch too high for apy control* Jk Troesed eith your plana to redesign the saving area* $ Turn the eonvactive heater located at the southeast corner of the scrap storage bin so that the air blast is directed any from the bin entrance* This air blast la nov disrupting the bln and blender local exhaust ventilation systews* 6* Continue your prograa of periodic chest xray exasdastioas for WV-11051 *2- To evaluate heat oaures eling peychrosetare were used tv measure dry (tB) and wet bulb (kB/ temperatures. A black globs themes*ter va* used to ortnn radiant best And xlnor Velcetera and Veleetsr Junior* were used to measure sir velocities. XU air velocities were soasured it the nan's position *4 not in the duct. These Beasurtaeat* sad pertinent calculations ere included in the attached table. At the onset of this survey the outside temperature was 77? with a relative huaidity of LB percent, fceesureaents were first &*d in th? Cites Block plant. Air temperature* aeasured in the sen tooling duets were about XOT hotter than the outside teaperature iafiieating that the duciwook was acting like a furnace. Should the outside air t^ersture rise above B5?, the air delivered by the men cooling duets would ispeee a heat load os the ea rather than cool than. Heat aspamret are now considered severs with an outside temperature of 77*?* Heat Stress Indices of 70 to 90 based on an 8-hour daily essaoeur* are coaaidered conditions that Bay result in severe heat strain. XU employees at operation* evaluated except the nuaber 4 press operator, are exposed to situation* tfcst ea lead to sever* beat strain. This is taking into consideration rotatics of job and rest periods. Based on the findings in this surrey the foUswisg recoaseafiatiPB# are made) glass Blo*v 7. Provide evaporative seeling or sir conditioning for the B*a cooling air system. 6. Faint the sen cooling duct cystsa with atmiAuac paint. 9. Install reflective shielding ladi*tely below the Ban cooling air duets where it crosses Infrared heat sources, 10. Interpose reflective shieldit* between bob and infrared sources. Swrples are the spoiling Bochins* and conveyers, Polished aluaiou* will reflect about 95 percent of the radiant heat. Pomslaas Tlont* 11* Operate evaporative coolsrs when outdoor temperatures exceed 50f* If. Interpose reflective shielding between Ben and infrared sources. Sersrd to Heat Exposed Persrwi* 1?. Continue to provide salt tablets and encourage worker* to 4rUk water even if sot thirsty. Sneourags workers to salt food heavily. Stf 00044 00043 Xt. PrerliS* preplteeaent end periodic phytic*! ejaintti*o. Pereennel with eircul*to?7 or other phyeioioeUeX uch M reepirttory infection* ud d^ettAe* <Jietujfcece, should not l>e permitted to rffMin is eceupctioae resuiria* exeettiwe* h*v exposure). Keste let vt know within 50 dy of the ttept iekes to corplj with the eJ*e mMendstloae end their oppro^djaste <Ut4 et coc^Xetios- Zodosed ere our fyglenle lafometion Ouidce eftiiUel *i*te*t**# eSeet11 ead fceffddle& i32, ms cccaded. ^deserts W-Xs**** (.0 W.UB**&er* (*} SH JSPro^rr (> T.C. F*#***o SJ 00045 00044 ' Table 2 t. location _ Asbestos pdja im - ^^^cnaBOwrfeeltb of penneyleani* Popartaent of Health &XmiC0 o? CCCtfmXCKJU. HEALTH Uovt CoftoeatrAtlowi fttttaborgh Coming Corporation Port Allegan, PennajlTaoia Ikwt Concentrations* (sUUftta of pmules per cubic fort of olr) 2.5 1B.2 e SSBSBBUCBBOM &*&' Operator'a exposure, builder 4\ Operator*a exposure, builder 12 * i* i M Operator'* erasure at taka off of 2^ x 1 tfeibeetoe Operator** exposure attending ea* t.t Geieral air, ground storage bln area 3.T 5.5 Operator* a exposure at blender t&reabeld licit valce for toit nootaining aabeeloe* 5 nUllon parttclae par cable foot of Air based es u B-bcur dally epeeure fttt/b Surr*7 In Pool A. Cronko Bogiotol Irrfurtrlal Hpgientet OeoTfe * ToiMhiek Industrial H7gioiel SJ 00046