Document b52MbN1vGr78kZ8DpLbVeNxrg

Intra-Company Communication Ihy 22, 1961 Mr. 3* Vanasnt Safety Engineer Tpeilanti Plant Bt: Air-bome Particulate Matter - Solvent Vapor* - Mixing Hoorn tor the Heater Core Operation - Ipsilantl Plant The writer took eaaples of air-borne particulate setter and toluene solvent vapor at the above ad ring roan. the zaaults vena aa follows: location Sisal conveyer Clay hopper Calclw hopper Mix tank Air-borne Particulate Matter 8olvent Vest Besuits to MPPCT* $.$ 5.2 1.7 1.3 location Gunk cutoff Ejection end of extruder Results In Fftt-- 0-70 $32 MPPCF Million particles per cubic foot of air. PPM a parts of solvent vapor per Billion parts of air. fbe asixiawn allowable oonoentratlona for the air-borne particulate mtter and toluene solvent vapors are $0 aqppef and 200 ppau these auxlaat are based on an eight hour day continuous exposure. the results obtained Indicate that no excessive concentration* art present at this tine. J. C. Stadcllffe, Supervisor industrial Safety Section hyi C. X. Masters Mb OTA HFM -014454 5007 C1P5 ' PRODUCED BY FORD SCF-FORD-0325