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*** ' INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS FILE COPY TO: D. L. Johnson, 511-5518 CComputer Ref. W-1043 CC: c. W. Carman, 725-105 G. F. Hurley, 701-334 c. R. Johnson, 511-2009 L. R. Noble, 511-2149 P. A. D. R. H. L. Robinson, 701-401 E. cC. Shipley, 511-2009 PERSON MONITORED F. E. Cobb Location #1 Powerhouse -InstituteDate 4/28/80 EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone. fibers 2 .15 5 um/ciQ`: .37 .06 .52 Sampling Time 63 minutes 108 minutes 30 minutes 45 minutes Comments A.M. - Stripping insulation A.M. - Stripping insulation P.M. - Stripping insulation P.M. - Stripping insulation Time-Weighted Average Concentration (TWA) .14 fibers > 5 um/cm3 Ceiling Concentration ___________ _____ ALLOWABLE EXPOSURE TWA 2 fibers > 5 gm/cm3 <^SHA^) UCC Ceiling _________________________ OSHA UCC Other Other COMMENTS Stripping insulation from several steam lines on #1 boiler on the level of #1 Powerhouse at Institute. Mr. Cobb wore a disposable dust respirator and disposable coveralls during the stripping. first Even though part of the insulation being stripped did not contain asbes tos, the insulation should be well watered to help control the dust. WORK BY APPROVED BY UCC 024517 INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS HE COPY TO: D- L. Johnson, 511-5518 Computer Ref.W-1043 C. W. Carman, 725-105 G. F. Hurley, 701-334 C. R. Johnson, 511-2009 L. R. Noble, 511-2149 P. A. Perry, 511-5583 D. R. Paugh, 511-2009 H. L. Robinson, 701-401 E. C. Shipley, 511-2009 PERSON MONITORED T. G. Grant Location #1 Powerhouse - Institute Date. 4/28/80 EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone. fibers ^ .43 5 lim/cm- 1 Sampling Time 58 minutes .64 116 minutes .34 89 minutes Comments A.M. - Bagging insulation A.M. - Bagging insulation P.M. - Bagging insulation Time-Weighted Average Concentration (TWA) .27 fibers > 5 gm/cm3 Ceiling Concentration ALLOWABLE EXPOSURE TWA 2 fibers > 5 pm/cm3 Ceiling ________OSHA (qsha) UCC UCC Other Other COMMENTS Bagging insulation that had been stripped from several steam lines on #1 boiler on the first level of #1 Powerhouse at Institute. The stripped insulation was placed in plastic bags tagged and placed in a dumpster for proper disposal. Mr. Grant wore a disposable dust respirator and disposable coveralls. WORK BY APPROVED BY i . /' UCC 024518 INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS | FILE COPY] f__________________ TO: D. L. Johnson, 511-5518 Computer Ref. W-1043 CC: C. W. Carman, 725-105 G. F. Hurley, 701-334 C. R. Johnson, 511-2009 L. R. Noble, 511-2149 D. R. Paugh, 511-2009 P. A. Perry, 511-5583 H. L. Robinson, 701-401 E. C. Shipley, 511-2009 PERSON MONITORED T. L. Jividen Location#! Powerhouse - Institute Date 4/28/80 EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone. fibers ^ . 52 5 pm/cnr ! Sampling -Time 57 minutes .62 111 minutes Comments A.M. - Stripping insulation /. Stripping insulation Time-Weighted Average Concentration (TWA)Not monitored long enough to Ceiling Concentration calculate TWA ALLOWABLE EXPOSURE TWA 2 fibers > 5 pro/cm3 Ceiling _________________________ (gSPuT) OSHA UCC UCC Other Other COMMENTS Stripping insulation from several steam lines on #1 boiler on the first level of #1 Powerhouse at Institute. Sometime during the afternoon, the filter cassette worn by Mr. Jividen was lost so a TWA was not calcu lated. During the stripping he wore a disposable dust respirator and dis posable coveralls. Even insulation that does not contain asbestos should be watered to UCC 024519 INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS FaJ F TO: D . L. Johnson , 511-5518 Computer Ref. W-10' CC: C . w. Carman, 725-105 G . F. Hurley, 701-334 C . R. Johnson , 511-2009 D . R. Paugh, 511-2009 P. A. Perry, 511-5583 C. E. Richardson, 511-2149 H. L. Robinson, 701-401 E. C. Shipley, 511-2009 PERSON MONITORED D. K. Mi lan Location #1 Powerhouse - InstitulDaate ____4/11/80 EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone. fibers > .69 5 jijn/cm ^ fibers > 2.72 5 pm/cm 1 Sampling Time 68 minutes 27 minutes Comments P.M. - Stripping insulation P.M. - Stripping insulation Time-Weighted Average Concentration (TWA) Not monitored long enough Ceiling Concentration to calculate TWA. ALLOWABLE EXPOSURE TWA 2 fibers > 5 tim/cm3 (^OSHA) Ceiling _____________________OSHA UCC UCC Other Other COMMENTS Stripping insulation from #2 boiler front and boiler front duct on second level of #1 Powerhouse at Institute. Mr. Milan wore a disposable Norton dust respirator and disposable coveralls during the stripping. The insulators got in a hurry toward the end of the day and didn't keep the insulation well wetted. This resulted in the last value being higher. WORK BY APPROVED BY 7 UCC 024520 INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS TO: D . L. Johnson , 511-5518 Computer Ref. w-1040 CC: C . W. Carman, 725-105 G . F. Hurley, 701-334 C . R. Johnson , 511-2009 D . R. Paugh, 511-2009 P. A. Perry, 511-5583 C. E. Richardson, 511-2149 II. L. Robinson, 701-401 E. C. Shipley, 511-2009 PERSON MONITORED B. M. Beckett Location EXPOSURE RESULTS 1 Powerhouse Institute Date 4/11/80 Sample 1 2 3 4 5 6 Cone . fibers > .48 5 aia/cm * fibers > 1.24 5 pm/cm 5 Sampling Time 60 minutes 84 minutes -- Comments A.M. - Stripping insulation A.M. - Stripping insulation Time-Weighted Average Concentration (TWA) Not monitored long enough Ceiling Concentration to calculate TWA. ALLOWABLE EXPOSURE TWA 2 fibers > 5 pm/cm3 (jDSHjp Ceiling _________________________ OSHA UCC UCC Other Other COMMENTS Stripping suspected asbestos containing insulation from -2 boiler front and boiler front duct on second level of 1 Powerhouse at Institute. Mr. Beckett was not monitored in the afternoon because he was trans ferred to another job. During the stripping he wore a disposable Norton dust respirator and disposable coveralls. WORK BY APPROVED BY UCC 024521 INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS I Fit TO: D. L. Johnson, 511-0518 Computer Ref. W-1040 CC: C. W. Carman, 725-105 G. F. Hurley, 701-334 C. R. Johnson, 511-2009 D. R. Paugh, 511-2009 P. A. Perry, 511-5583 C. E. Richardson, 511-2149 H. L. Robinson, 701-401 E. C. Shipley, 511-2009 PERSON MONITORED G. H. Lander s Location 1 powerhouse - Institutd>ate 4/II/80 EXPOSURE RESULTS Sample 1 2 3 4 5 6 Cone . fibers !> .35,5 pm/cm^ fibers > .42 5 pm/cm3 Sampling Time 60 minutes 105 minutes fibers > 09 5 pm/cm3 fibers > .65 5 pm/cm3 80 minutes 38 minutes Comments A.M. - Stripping insulation A.M. - Stripping insulation P.M. - Stripping insulation P.M. - Stripping insulation cleaning area. Time-Weighted Average Concentration (TWA) 0.2 fibers > 5 nm/crn3 Ceiling Concentration ALLOWABLE EXPOSURE TWA 2 fibers > 5 uro/cm3 <jOSHA> Ceiling _________________________ OSHA UCC UCC Other Other COMMENTS Stripping suspected asbestos containing insulation from #2 boiler front and boiler front duct on second level of #1 Powerhouse at Institute. The last sample of the day was the highest concentration found. This may be attributed to the fact that they got in a hurry and didn't keep the . insulation well wetted. Mr. Landers wore a disposable Norton dust respirator, and disposable coveralls during the stripping. I UCC 024522 ' INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS I Fll PQPY --.......................... TO: D. L. Johnson , 511-5518 Computer Ref. W-1040 CC: C. W. Carman, 725-105 G. F. Hurley, 701-334 C. R. Johnson , 511-2009 D. R. Paugh, 511-2009 PERSON MONITORED D. K. Naylor P. A. Perry, 511-5583 C. E. Richardson, 511-2149 H. L. Robinson, 701-401 E. C. Shipley, 511-2009 Location _______# 1 Powerhouse - _______ Date Institute 4/11/80 EXPOSURE RESULTS Sample 1 2 3 4 5 Cone. fibers ' .35 5 pm/cm- * fibers 1 .81 5 pm/cm' ! fibers I > . 18 5 pm/cm' 5 fibers > > .06 5 pm/cm * Sampling Time 60 minutes 105 minutes 87 minutes 49 minutes Comments A.M. - Bagging insulation A.M. - Bagging insulation P.M. - Bagging insulation P.M. - Bagging insulation and cleaning area 6 O Time-Weighted Average Concentration (TWA) Q. 3 fibers > 5 pm/cm Ceiling Concentration ALLOWABLE EXPOSURE TWA 2 fibers > 5 ,im/cm3 (fOSHA) CeilingOSHA UCC UCC Other Other COMMENTS Bagging insulation that had been stripped from #2 boiler front and boiler front duct on second level of #1 Powerhouse at Institute. Mr. Naylor wore a disposable Norton dust respiratory and disposable coveralls during the bagging and cleanup. The insulation was placed in- plastic bags for disposal aDd dropped from the second level to a truck below. At this point the full bags should be handled carefully. It is suggested that they could be lowered on a rope to prevent the UCC 024523