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INTERNAL CORRESPONDENCE
UNION CARBIDE CORPORATION iki, mca:. j-niip
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R. E. Rucker 512 2009
,pvB. H. Avashia, M.D. - 512/23 W. L. Browning - 512/2149 R. E. Coyner - 512/2009 C. M. Hutsenpillir, Jr. - 512/77
S. E. II1ikainen - 51212
C. P. Maxwell - 511/701-2 B. R. McMakin - 512/2009 R. J. Romagnoli - 512/303
September 18, 1987 EM&TS - HS&EA Industrial Hygiene Asbestos Exposure Monitoring
Attached are the results of the seven days of asbestos monitoring, while completing the cleanup at Cellosize Building 77. This included the storeroom, maintenance shop, equipment and tools, maintenance lunchroom, the backroom off of the shop, the electrical switchrack room, the mezzanine and the outside area south of building 77. The rooms inside the building were sealed as much as possible and air was continuously exhausted through HEPA filters.
All area and personal samples for the final seven days of monitoring were below the 0.2 fiber/cc permissible exposure level standard per 0SHA asbestos standard 29CFR 1926.58 and were below the 0.1 fiber/cc action level per the same standard.
Employees wore no street clothes, two pair of coveralls, headcovers. boots, gloves and A0 R57-A HEPA half-face cartridge respirators. They showered before meals and at the end of the workday before leaving plant.
Please inform G. F. Sowards, J. C. Coyner, S. R. Erskine, D. W. 8rogan and M. L. Wallace of their exposure monitoring results as soon as possible. Have them sign and date this report and return it to M. A. Patel at Building 701-330.
UCC 024837
Asbestos Monitoring - continued
-2-
September 18, 1987
Please commend all the employees involved in this job for an outstanding performance under difficult conditions.
If you have any questions or we can be of further assistance, call us on extension 3750 or 6485.
WORK BY:
APPROVED BY:
H. J-Z/Kitoble & Vance E. Stover
Attachment
HJK:VES:MAP:rab 2699P
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Manhar A. Patel
UCC 024838
Ccrrp. Ref: W2286 W2287 W2288 W2289 W2290 W2291 W2292
ASBESTOS EXPOSURE MONITORING
Date
Saiple Type/ Employee Name
Sarrpl ing Time
. Air Cone, fibers/cc
TVlAg fibers/cc
COMMENTS
8-2-87 8-2-87
Personal/ G. F. Sowards
Area
542 min 541 min
0.013 0.013
8-2-87
Area
540 min
8-3-87 8-3-87
Personal/ 0. C. Coyner
Area
447 min 440 min
0.009 0.018 0.016
8-3-87
Area
438 min
0.014
8-4-87 8-4-87
Personal/ S. R. Erskirte
Area
451 min 452 min
0.020 0.012
8-4-87
Area
332 min
0.010
8-4-87
Area
121 min
0.003
0.015 -
-
0.017
~
0.019
~
Cleaning Building 77 Storeroom and equipment.
Building 77 - Four feet from east wall of maintenance shop at breathing level.
Building 77 - On south wall by double doors at entrance to maintenance shop.
Cleaning Building 77 Storeroom and equipment.
Building 77 - Breathing zone level at entrance to decontamination chanter shop.
Four feet from east wall of maintenance shop of Building 77 breathing zone level.
Cleaning beam and overhead ledges in Building 77 maintenance shop.
Four feet from east wall of maintenance shop of Building 77 breathing zone level.
Building 77 Shop - Breathing zone level at entrance to decontamination charter.
8uilding 77 - Breathing zone level in #5 switchraek Electrical Roan over 508 transformer after room was cleaned and vacuuned.
UCC 024839
ASBESTOS EXPOSURE MONITORING (continued)
Coup. Ref: W2286 W2287 W2288 W2289 W2290 W2291 W2292
Date
Sanple Type/ Enployee Name
Sampling Time
Air Cone, fibers/cc
TW\8 fibers/cc
COMMENTS
8-5-87
Area
437 min
0.069
8-5-87
Area
453 min
8-5-87 8-10-87
Personal/ D. W. Brogan
Personal/ M. L. Wallace
458 min 365 min
8-10-87 Area
365 min
8-10-87 Area
366 min
8-13-87 8-13-87 8-13-87
Personal/ M. L. Wallace
Personal/ D. W. Brogan
Area
444 min 445 min 446 min
8-20-87 8-20-87
Personal/ J. C. Coyner
Area
440 min 445 min
0.059 0.062 0.055
0.064 0.067 0.034 0.037 0.015 0.012 0.008
-
0.059 0.042
0.032 0.035 0.011
-
Building 77 - At entrance to decontamination chamber, breathing zone level.
At breathing zone level in toolroom shop of Building 77 by door.
Cleaning toolroom shop of Building 77.
Final cleaning in toolroan and shop area of Building 77, wire brushing and vacuuming.
Backroom of Building 77 shop area at outside wall, breathing zone level.
Breathing zone level at east wall of main shop area of Building 77.
Cleaning area and equipment in Mezzanine of Building 77.
Cleaning area and equipment in Mezzanine of Building 77.
At inlet to HEPA exhaust in Mezzanine of Building 77.
Cleaning tp slag south of Building 77 and putting in fiber paks.
At breathing zone level at southwest comer of regulated area \4iile cleaning up slag south of 8uilding 77.
2699P
UCC 024840