Document xjqmaDyobxX96kgO5jZEz9nab

;" 7T; u-ir-j r*'-79&B&t* S6XaW*8a29SttSB Lc*A eHszaa^ Am p&Asrtes *r` Mr. L. L. Carpenter Chemicals amp Plastics Bound Brook, N. J. Mh. R. N.f6ATC3 Mr. M. O^./Tcrri Mr. WL^C;"Lumc> <333X4 'r * Received Dr. C/ S. McKihlet Mr. R. W. Schwartx A^R 1 > s352 Mr. J. ZuCCARCLLI Administration File by W. C. lad Chronological File na toes, ess esses, tea osar Amu 17, 1969 ENGINEC*IN6 Asbestos Oust in Rooms 351 anp 365, Building 95, Bound Brook ThC TCNSILC 8AMPt.CS PREPARATION ARCA IN BUILDING 95 IN BOUND BROOK IS AT TIMES CONTAHINATCO WITH ASBCSTOS OUST. THE OUST IS PRODUCED BV A BAND SAW AND TWO MILLINC MACMINCS USED TO SHAPC TCNSILC SAMPLCS fROM PLASTIC MATERIALS CONTAINING ASBC3T0S. TnC BAND SAW IS LOCATCO IN ROOM 365, THE MILLING MACHINES are locatcd in Room 351. Currently, personnel arc wcarinc respirators to prevent inhalation or asbestos laocn oust. , -^ The area is contaminated while macmincs are usco, ano it is estimated THAT IT TAKCS SEVERAL HOURS APTCR TnC MACMINCS ARC SMUT Orr UNTIl AN ACCEPTABLE LCVCL or DUST contamination IS REACHED IN THC ROOMS. ' The roLLOwiNG gives proposed solutions to tnc contamination problem. Succcstcp Exhaust System Locate all asbestos dust producing machines in one room. Provipe new hoods tor the band saw and tnc large milling machine. Succcstcp hood designs (attached) is given in Ficurcs V5-209 and VS-706. For-the shall "Tcnsilc-Kut" milling machine the existing vacuum clcancr can be used, but the exhaust TROH THIS MACHINE MUST BE CONNECTED TO DUCTWORK LCAOING TO THE OUTSIDE or TNI DUILDIMG. Discharge so as not to dlow back into tnc builoinc thru winoows or ant air inlets. A DIAGRAM OIVING OUCT SIXES AND AIR VOLUMES IS SHOWN IN FlGURE I. A NEW 2120 ern exhaust ran will be locatco on the Roor above. SprciriCATiONS tor tnc tan, (Fan "A") arc given in the appendix. The exhaust air will be discharged through a 7 roor nigh stack, discharging up. Tnc ran will be started by a push button SIAl ION LOCATCO NEAR THC BAND SAW. A NEW ELECTRIC STARTER IS RCCUIRCD toN THE TAN. A -~/ I -> -L. V | The ducivork snoulo be provided with clean out ooors in ran out LET and at all changes or direction in tnc ouctworp. / UCASB00945424 SC-ELEC-04720 7o: Mu. L. L. Carpenter April 17, 1969 Subject: Asbestos Oust in Rooms 351 and 365, Building 95, Bound Brook Alternate Exhaust System Milling Machine ano band saw can be lctt in tnc prcsent location. In tnis CASE IT mat be more economical to use two exhaust fans to eliminate some ductwork. This ststcm is shown in Figure 2. The tan for the milling machines. Fan "8", will have a capacity of 12B0 crt* at 7" W. G. S. P. Thc tan for the bano saw. Fan "C", will have a capacity or 660 cpm. si 9" W. G. 5. P. Specifications for tkcsc fans arc given in the appendix. A spare starter in Room 251 is available for the milling machine fan. A NEW pushbutton station TOR HILLING machine fan WILL BE LOCATCP near the milling machines. A NEW STARTER 19 RCOUIREO FOR THE BANO SAW FAN. TnE PUSHBUTTON STATION WILL BE LOCATED NEAR THE BAND SAW. TH/hah T. Haocnsli A1 UCASB00945425