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INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS r p. r> F!LE ? ft C TO: J. R. nail, 202-1 Computer Ref. W-1042 CC: .K. 0 Hopkins, 400-1 G * F. Hurley, 701-334 B. Y. Lett, 202-1 H. C. H. PERSON MONITORED ______________T. J. Kennedy Location Northeast of Bldg. 36 on Date Pipe Rack, So. Charleston Plant EXPOSURE RESULTS 4/16/80 Sample 1 2 3 4 5 6 Cone. fibers > 1.34 5 pm/cm * fibers > .42 5 pm/cm 5 Sampling Time ............ Comments 150 minutes 125 minutes A.M. - Stripping and bagging insulation P.M. - Stripping and bagging insulation Time-Weighted Average Concentration (TWA) 0.5 fibers > 5 piti/cm^ Ceiling Concentration ______________________ ALLOWABLE EXPOSURE TWA 2 fibers > 5 pm/cm^ (OSHA") Ceiling _________________________ OSHA UCC UCC Other Other COMMENTS Stripping and bagging approximately 200 feet Unibestos on pipe rack northeast of Building 36 at South Charleston Plant. Mr. Kennedy wore coveralls, gloves, and a disposable Norton dust respirator during the stripping. A Hudson garden sprayer was used to wet the insulation but it didn't seem adequate for such a large stripping job. UCC 024541 A INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS FILE COPY TO: J. R. Hall, 202-1 Computer Ref. W-1042 CC: K. 0. Hopkins, 400--1 G. F. Hurley, 701-334 B. Y. Lett, 202-1 H. L. Reveal, 202-1 C. E. Richardson, 400 H. L. Robinson, 701-401 PERSON MONITORED _______________M. Smith______________________________________ Location Northeast of Bldg. 36 on Date 4/16/80 Pipe Sac'S;', So. Charleston Plan! EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone. fibers 5 .13 5 pm/ern0 fibers, > . 07 5 um/cm': Sampling Time Comments 155 minutes 125 minutes A.M. - Bagging insulation cleaning area P.M. - Bagging insulation cleaning area Time-Weighted Average Concentration (TWA) ^>.06 fibers > 5 pi/cm^ Ceiling Concentration ________________________ ALLOWABLE EXPOSURE TWA 2 fibers > 5 pm/em^ ^OSHA/* Ceiling OSHA UCC UCC Other Other COMMENTS Bagging insulation in plastic bags and cleaning up the area. Bagged insulation was loaded on a truck for disposal at the landfill. Ms. Smith wore coveralls, gloves, and a disposable Norton dust respira tor during the bagging. UCC 024542 INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS -1 M ^ TO: J. R. Hall, 202-1 Computer Ref. W-1042 rr * k . 0. Hopkins, 400-1 G. F. Hurley, 701-334 B. Y. Lett, 202-1 H. L. Reveal, 202-1 C. E. Richardson, 400 H. L. Robinson, 701-401 PERSON MONITORED M. L. Finney Location Northeast of Bldg. 36 on Date 4/16/80 Pipe Rack, So. Charleston Plant EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone. fibers > .48 5 (im/cm^ fibers > .33 5 um/cm3 Sampling Time Comments 157 minutes 130 minutes A.M. P.M. - Stripping & bagging insulation - Stripping & bagging insulation Time-Weighted Average Concentration (TWA) & .2 fibers >_5_jim/cm3 Ceiling Concentration ___________________ ALLOWABLE EXPOSURE TWA 2 fibers > 5 pm/cra^ (oSHA) Ceiling OSHA UCC UCC Other Other COMMENTS Stripping and bagging approximately 200 feet Unibestos on pipe rack north east of Building 36 at South Charleston Plant. Mr. Finney wore coveralls, gloves, and a disposable Norton dust respirator during the stripping. A Hudson garden sprayer was used to wet the insulation but it didn't seem adequate for such a large stripping job. WORK BY ffy/y APPROVED BY UCC 024543