Document O1aBN4VG3g8kLerO00vR2NZrp

n0 00823& IHS File Number: LA-5540 Table 1 Plant Code: Personnel Monitoring Results for M thyl n Chloride, Chlorinated M than Products, Block 46, Plaquemln , la, Sept mber 1997 Methylene Chloride Sample Monitored Full-Shift Employee Sampling Duration Concentration TWA* Date ID Period_______ (min)____ (ppm)_______ (ppm) Comments Operator - 8 HR SHIFT 9/3/97 94373 9/3/97 94373 9/3/97 433015 9/4/97 433015 5:30 - 16:40 6:00- 8:30 6:15 - 16:00 6:30 - 14:30 670 150 585 480 9/4/97 94373 6:30 - 14:30 480 0.13 0.45 0.52 0.21 ND(0.09) 0.13 Working in the M2 area of the plant but had no contact with equipment containing MeCL. 0.14 Collecting M2 sample for analysis. Transported sample to the in-plant lab. 0.52 Used a Scott-O-Vista respirator to clean out a carbon tet pump. Did not handle any M2 containing equipment during the remainder of the day. 0.21 Ran Lab Samples all day which included one M2 sample 15:30 caught 3 chloroform smpl,l methylene smpl, +1 carbontet smpl, 6:30 caught methyl chloride smpl,17:45 caught 2 chloroform,l carbontet smpl,1750 emptied 1 jug RCLS,19:00 emptied 1 jug of ND(0.09) RCLS, caught 2 chloroform,! carbontet smp!,20:3O caught etc OCCUPATIONAL EXPOSURE LIMIT OSHA PEL April 1997 8-HrTWA 25 ppm *Full-shift TWA calculated assuming no exposure during lime not sampled. ND=None Detected at the Analytical detection limit indicated in parentheses. CONFTDFNTTAI Dow Restricted IHS File Number LA-5540 Table 1 Plant Code: Personnel Monitorlna Results for Methvlene Chloride. Chlorinated Methan Products, Mock 46, Ptaquemlne, La, September 1997 Methylene Chloride Sample Monitored Full-Shift Employee Sampling Duration Concentration TWA* Date^________________________________ Comments Loader- Logistics - 8 HR SHiri' 9/3/97 740190 6:45 - 13:40 415 9/3/97 9/3/97 9/4/97 98664 432056 98664 6:30 - 1350 6:30 - 13:45 7:00 - 14:00 440 435 420 Job Assignment Average 13.92 12.67 12.66 3.45 10.68 12.04 11.61 11.47 3.02 9.54 Loaded three tank cars of M2 (no respirator worn) Loading and Sampling Tank cars (no respirator worn) Collected Samples from seven tank cars of M2 (no respirator worn) Working on the Loading Rack. Did not load any M2 can. Collected one Sample. rr-; ^ g ^ OCCUPATIONAL EXPOSURE LIMIT OSHA PEL April 1997 8-Hr TWA 25 ppm Full-shift TWA calculated assuming no exposure during time not sampled. ND=None Detected at the Analytical detection limit indicated in parentheses. CONFIDENTIAL Ditto Restricted I'agc 4 IHS File Number: LA-5540 Tabl 1 Plant Code: Personnel Moniforinct Results for Mefhvlene Chloride. Chlorinaf dM than Products, Block 46, Plaqu mine, La, Sept mb r 1997 Methylene Chloride Sample Monitored Full-Shift Employee Sampling Duration Concentration TWA*________________________________________________ Djjt^__________________________________ Comments llqacjer- Logistics - 8 HR SHIFT 9/3/97 9/3/97 9/3/97 9/4/97 740190 6:45 - 13:40 415 98664 6:30- 13:50 440 432056 6:30- 13:45 435 98664 7:00- 14:00 420 Job Assignment Average 13.92 12.67 12.66 3.45 10.68 12.04 11.61 11.47 3.02 9.54 Loaded three tank cars of M2 (no respirator worn) Loading and Sampling Tank cars (no respirator worn) Collected Samples from seven tank cars of M2 (no respirator worn) Working on the Loading Rack. Did not load any M2 cars. Collected one Sample. OCCUPATIONAL EXPOSURE LIMIT OSHA PEL April 1997 8-Hr TWA 25 ppm "^Full-shift TWA calculated assuming no exposure during time not sampled. ND=None Detected at the Analytical detection limit indicated in parentheses. r> oz O Ti O M z> o o 2) V z---4f CO 3> 00 Pm< Resinch'd IHS File Number: LA-5540 Tabid 1 Plant Code: Personnel Monitoring R suits lor M thyl n Chlorid , Chlorinated M than Products. Block 46, Plaau min , La, Sept mber1997 Methylene Chloride Qate Employee ID Sampling Period Sample Monitored Duration Concentration (min) Full-Shift TWA' (ppm) Comments Operator - 8 HR SHIFT : 9/3/97 94373 :9/3/97 94373 9/3/97 433015 '9/4/97 433015 5:30- 16:40 6:00- 8:30 6:15 - 16:00 6:30 - 14:30 670 150 585 480 9/4/97 94373 6:30 - 14:30 480 0.13 0.45 0.52 0.21 ND(0.09) 0.13 Working in the M2 area of the plant but had no contact with equipment containing MeCL. 0.14 Collecting M2 sample for analysis. Transported sample to the in-plant lab. 0.52 Used a Scott-O-Vista respirator to dean out a carbon tet pump. Did not handle any M2 containing equipment during tile remainder of the day. 0.21 Ran Lab Samples all day which included one M2 sample 15:30 caught 3 chloroform smp),l methylene smpl, +1 carbontet smpl, 630 caught methyl chloride smpl,17:45 caught 2 chloroform,l carbontet smpl,17:50 emptied 1 jug RCLS,19:00 emptied 1 jug of ND(0.09) RCLS, caught 2 chloroform,! carbontet smpl,2030 caught etc. OCCUPATIONAL EXPOSURE LIMIT OSHA PEL April 1997 8-Hr TWA 25 ppm *Fu)l-shift TWA calculated assuming no exposure during time not sampled. ND=None Detected at the Analytical detection limit indicated in parentheses. o o o o o o CO z \> 0 Dow Restricted J*a,;c3