Document QXLpQM61R7VR0oQjx3EJoVLgv

February 14, 1949 Kr KslpU C. Wyatt Plant hanagor Kereroont Crlssly Cory* Faulting, Ohio 4SJ79 {inr Hr* Vysttt The atialysls of the air t*\>les eolloetod In your pleat during our survey in 3ptub*r lYuO line been completed* end the rusults ra attached* The ivylnger sacplss vers counted during the survey using tUa Aaarica.i Confarcuco of Coverurvuitsl Xcuhidtrial Hygienists* ' ttethod. The aoisbrsn* I'lltoes were rendered traaspArunt with iO-50 olxCcro of disthyl oxalate, ciinatbyl plaiutlatu sad countod at 43CU usgaificatloa with phase contract lllinlnntloa* tbs dust concentration a* ennsured by iRpin^er encardod ths 3 Million particle per cubic loot Thte.d?ld Llnlt Value currently in use, in several locations. Tit* nxr.J". jna liltar rottiod la anparlnantsl end no standard bos been adopted Inr its Interpretation la tui* country* tbvrcvar* ths British occupational tfycieaa ;-oclity has issued **I!j*ctonai {Standards lor ChrymtUo Ptbrstos Dust1* for ths } + libor counts, averaged ova* a tbrsa noatb period, as follows! Rosy* Kigll&lbla ' Low Hediu* Ugh flhars/ee loss than 0*3 0*5 2.0 2.0 10.0 wore than 10*0 thsy also tscopaaod that aa approved respirator ba worn wbsa it la necessary to writ in "high" cooesatraeiou aroas* 80a* rsprlatb ralatlng to our study ars enclosed. Your coopsmtton Is appreciated and the data Chined ftou your plant la of considerable value* ttincoraly yours. act Prog. Hs*t Offer. Dr* Crallay JKLTHCHim Attscbsioats p Jarcoioh R. Lynch v Asst* Chief, guvlrcutnmtsl Activities FIelrt utuUlea Occupational Ssal tb Fragrsai k r* e n r --3 o *1> rf tor* ar ---*- fi msr -* f"3- d* iy? 00 't 5- $*C-za Pf ?j o c/> 1 o oI iJ"i LU Result* of Air Staples of Saptsnbsr 1966 Maroaont-Griesly Corp., Paulding Ohio Operation Mixing & Coating Mixar loll Mill Operator renting Profons Oporator Fora Curs Operator Impingcr r- Sarnnla # nmncf Mewbrano Filter 1'lbcro/cc Sample # Total 5ut B 112 47.6 136 0.7 11 0.9 0 15 0.4 * 2.1 F * . B- 149 0.7 P B 27 0 32 4 ' . .. 0.8 0.9 . 113 139 12 . 108 109 111 127 150 137 141 .142 11.3 ?.s;5 10.7 .. 7.0 1.8 5.5 ' 20.9 14.8 30.3 20.5 ` 5.5 3.5 6.6 3.4 3.4 1.3 1.0 0.2 3.5 2.1 129 130 . 131 22 * - . 160 161 166 168 . . 13.4 4.8 3.1 0.8 7.4 2.0 1.9 0.8 4.2 1.3 2.8 1.0 5.0 . . 2,2 5.3 3.0 WRIl I - Breathing tone aiaaltaneous lapingsr-nenbrsne filter aesgilea. J F " Farsonat aeabrane filter saaples collected by t stapling puap worn by the worker. ` 0 - Central air staples. 8---'*-*-*- 2S 9 w* * r> a a & 17 rS ft a n r* (O r7 f*irlr =*?- its" 2* ; ?<* \ v ?-r. u * o* pf o \ *W>. u oXp' o ! CO ] o o >4 Mereatont-Grlssly Corp. Operation ____________________ Sample 6 wnpcf Forming Clutch Winder .. Bet Freeelng Bet Free* Operator P p 2 Imninnor -: *' . * Bot Free* Operator (Clutch) . *%*. * - ... Bot Freae Helper B F BF. 19 0.8 t 53 3.3 Heabrenn Filter vibnra/cc Cample # Total 3 u 105 . 102 103 104 128 20 107 126 54 106 110 10.6 8.3 O e5 9.0 6.4 3.2 2.0 8.7 0.9 13.0 7.4 17.0 6.5, 6.tP 4.3 3.1 1.0 3.7 0.6 6.0 6.3 12.-6 . Bakins Oven Operator .Oven Helper . Orindlnf 4 Sandlnt Beaehett Operator ' P" F .B ' - * ' .* * . ' \ .. . *. */ ` ' .. .* ' - F` * .* r .. 209 0.9 1*7 20.6 162 , 0.7 . 180 3.2 34 l.i . ' *. * . - . * , '' 11,9 . 1*3 . 18.5 7.0 11.3 210 148 163 . 181 33 15.9 155.5 3.5 9.6 , 3.3 1.8 111.0 2.8 4.6 2.1 ` 185 7.7 133 173 3.2 132 4.5 174 19.3 196 3.6 ' 186 ` 3.7 163 6.6 138 3.8 133 v *.9 1604.3 3.0 2.3 2.1 9.7 2.2 1,9 2.1 3,3 2.0 2.0 AA *~i HMtBtiTUI i fibsl LV-i.J -3- Maraaont-Crlialy Corp. Operation Imptrmcr fiambio# ttippcf Grinding & Sanding ttanehatt Operator 0 57 .. 0.6 Big* Grinder F ,. = B 13 0.3 Radius Crlndr F Cutting Drilling*Prill Fraea 0 ' . . ' ' 1 208 36 .211 J ,' '* * * *. * ' . J F * k* . ` . *. ..'*** ` *' *<> ' *'V . ' * `N * . 'j ' * + t * . ` '#" .* . . *** Prill di Counter bora ' '-V' '/ ` .F ' SI . ' - 67. Fuaoh Fraa F . *' . * * I. 60 0.4 0.7 . Ii2 , . O.t 0.8 1.9 * Po All f#r * . * '* " `* t* ` \ . ' F * ` \ 17 l;0 . . * .' B A S3 0.7 Membrane Filter Flborw/ec Sample # Total S u 125 197 198 14 121 ^ : 2.6 4.4 4.6 2.0 '* * 1.2 1.1 1.6 1.4 212 13.6 117 119 122 124 : 182 ' 184 189 191 205 . s;4 14.2 4.0 4.8 12.6 2.1 4,6 4.7 3.2 187 ; 52 68 too 132- 2.0 1.0 4.7 33.2 4.3 16.6 177 6.7 159 137 170 199 114 123 ^ 56 2.9 . 2.3 3.6 4.8 2.3 2.4 6.0 1.2 3.9 10.6 2.5 4.0 6.7 0.7 2.2 2.9 1.3 cV&: hi 0.8 25.2 2.0 10.6 2.2 1.1 1:1 2.2 2.0 2.0 1X9 1.2 Or*MQ n *=< av* mn r9* &e(* <> y^ Of* A 3 -I * <Sgj C7fT r* ts9r -a */ S S r* a 5*8 o o*r -n r*rrt JT ar?s*r ?* ay a *r> i5-f * O' ?*