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CO</~ 009? INTERNAL CORRESPONDENCE UNION CARBIDE CORPORATION i m :mmh mi mu m I'M | ( JX hi II } ' ' if II I II If .1 l/.i J: PLAINTIFF'S EXHIBIT UC-4309 ii ; . (ii H. E. Rucker 512/2009 "v" B. H. Avashia, M.O. - 512/23 J. W. Barna - 2009/6 W. L. Browning - 2009 R. E. Coyner - 2009 C. P. Maxwell - 701/2 B. R. McMakin - 2009 September 28, 1987 'EM&TS - HS&EA Industrial Hygiene Asbestos Exposure Monitoring Attached are the results of the nine days asbestos monitoring on insulators at the Institute Plant while removing asbestos from approx. 715 feet of pipe at the Cellosize Unit, Building 79 piperack. The area was barricaded and amended water was used throughout the abatement process. An enclosure was not used. The reasons for not enclosing the job were documented and subsequently reviewed by the UCC Law Department and Industrial Hygiene Department in Danbury, CT. Only one of the 21 personal samples exceeded the 0.2 fiber/cc permissible exposure level of 0SHA standard 29CFR 1926.58. Six of the 21 personal samples exceeded the 0.1 fiber/cc action level of the same standard. None of the four area samples collected outside the barricade exceeded the action level of 0.1 fiber/cc of this standard. Employees wore no street clothes, two pair of coveralls, headcovers, boots, gloves and A0 R57-A HEPA half-face cartridge respirators. Please inform of the monitoring results as soon as possible. Have them sign and date this report and return to M. A. Patel at 511/701-330. UCC 011348 Asbestos Monitoring - cont. -2- September 28, 1987 If you have any questions or we can be of further assistance please call us on extension 3750 or 6485. WORK BY: APPROVED BY: H. U. Kimble & V. E. Stover Attachment VES:MAP:rab 2717P Manhar A. Patel / UCC 011349 AS8EST0S EXPOSURE MONITORIN3 Conp. Ref. W2299 W2300 W2301 W2302 W2303 W2304 W2305 W2306 W2307 Date 6-30-87 6-30-87 6-30-87 7-1-87 7-1-87 7-2-87 7-2-87 7-2-87 7-6-87 7-6-87 Sanple Type/ Enployee Name Sanpl ing Time Air Cone, fibers/cc TWg fibers/cc COTENTS 421 min. 0.053 422 min. 0.134 422 min. 0.074 428 min. 0.058 428 min. 0.083 428 min. 0.025 427 min. 0.025 426 min. 0.072 420 min. 0.056 422 min. 0.083 0.046 0.118 0.065 0.052 0.074 0.022 0.022 0.064 0.049 0.073 Stripped approx. 100 feet of 1-inch steam line at Building 79, Cellosize piperack. Stripped approx. 100 feet of 1-inch steam line at kiilding 79, Cellosize piperack. Stripped approx. 100 feet of 1-inch steam line at Building 79, Cellosize piperack. Stripped approx. 60 feet of 1/2 and 1-inch steam line at Building 79, Cellosize piperack. Stripped approx. 60 feet of 1/2 and 1-inch steam line at Building 79, Cellosize piperack. Stripped approx. 100 feet of 1/2 and 1-inch steam line at Bldg. 79, Cellosize piperack. Stripped approx. 100 feet of 1/2 and 1-inch steam line at Bldg. 79, Cellosize piperack. Stripped approx. 100 feet of 1/2 and 1-inch steam line at Bldg. 79, Cellosize piperack. Stripped approx. 85 feet of 1/2 and 1-inch steam line at Building 79, Cellosize piperack. Stripped approx. 85 feet of 1/2 and 1-inch steam line at Building 79, Cellosize piperack. UCC 011350 ASBESTOS EXPOSURE MONITORING (continued) Carp. Ref. W2299 W2300 W2301 W2302 W2303 W2304 W2305 W2306 W2307 Date Sanple Type/ Enployee Name Sanpling Time Air Cone, fibers/cc TWAg fibers/cc COMMENTS 7-7-87 7-7-87 7-7-87 7-8-87 7-8-87 7-8-87 7-13-87 7-13-87 Area 7-13-87 Area 7-14-87 7-14-87 423 min. 0.140 423 min. 0.199 423 min. 0.052 424 min. 0.035 422 min. 0.263 423 min. 0.136 410 min. 0.163 409 min. <0.007 408 min. 0.010 425 min. 0.026 425 min. 0.053 0.125 0.176 0.046 0.031 0.231 0.119 0.140 0.023 0.047 Stripped approx. 100 feet of 6-inch line at Building 79, Cellosizet piperack. Stripped apprqx. 100 feet of 6-inch line at Building 79, Cellosize piperack. Stripped approx. 100 feet of 6-inch line at Building 79, Cellosize piperack. Stripped approx. 100 feet of steam condensate line at Building 79, Cellosize piperack. Stripped approx. 100 feet of steam condensate line at Building 79, Cellosize piperack. Stripped approx. 100 feet of steam condensate line at Building 79, Cellosize piperack. Stripped approx. 90 feet of steam condensate line at Building 79, Cellosize piperack. Breathing zone level at west side of barricade 1-foot outside. Breathing zone level at east side of barricade 1-foot outside. Stripped approx. 80 feet of 6-inch line at Building 79, Cellosize piperack. Stripped approx. 80 feet of 6-inch line at Building 79, Cellosize piperack. UCC 011351 > ASBESTOS EXPOSURE MONITORING (continued) Corrp. Ref. W2299 W2300 W2301 W2302 W2303 W2304 VC305 W2306 W2307 Date Sanple T)pe/ Employee Name Sanpling Time Air Cone, fibers/cc TWs fibers/cc COMMENTS 7-14-87 Area 7-15-87 7-15-87 7-15-87 Area 428 min. 427 min. 0.013 0.218 429 min. 0.058 430 min. 0.063 0.194 0.051 - At breathing zone level 1-foot west of barricade. Stripped approx. 100 feet of 6-inch line at Buildihg 79, Cellosize piperack. Stripped approx. 100 feet of 6-inch line at Building 79, Cellosize piperack. At breathing zone level 1-foot east of barricade. UCC 011352 I