Document km6qKOLkYQa6pbko064mjqpYV

SM-32 (REV. 5-78) Shell Oil Company Interoffice Memorandum DECEMBER 19, 1988 PLAINTIFF'S EXHIBIT SI 1-2 973 FROM: STAFF INDUSTRIAL HYGIENIST, PRODUCTS HEALTH & SAFETY, HEAD OFFICE TO: ATTACHED DISTRIBUTION LIST SUBJECT: AGGREGATE RESULTS OF INITIAL ASBESTOS MONITORING Attached for your consideration is a summarization of the results of the initial 30-minute asbestos monitoring which was submitted to this office in November and/or December. It is suggested that this data be used for priority setting and planning purposes only. Very few measure ments were found to approach or exceed the 1.0 f/cc limit. Based on available data, the potential for exceeding this limit appears to be' associated with tasks designated as "insulation removal." P. J. Snydlr PJS.-PJW Attachment cc: J. P. Chadwick C. F. Phillips J. L. Rivard BJU8835403 ABS-060728 LAM 031304 DISTRIBUTION LIST MANUFACTURING LOCATIONS Anacortes -F. J. King Belpre -M. W. Hershman Deer Park -W. B. Austin Geismar -T. L. Rodeheaver Martinez -M. B. Leeds Norco -A. K. Menard Odessa -R. D. Quisenberry Taft -A. J. Gauthreaux Wilmington -S. V. Sever Wood River -W. M. Cunningham PRODUCTS DISTRIBUTION LOCATIONS Metairie - A. J. Landry Sewaren - D. E. Eitel Will bridge - C. F. Goetze WESTHOLLOW RESEARCH CENTER W. F. Nail HEAD OFFICE 0. D. Long J. D. Ransdell UNDER SEPARATE COVER LETTER Shell Pipe Line Corporation - M. G. Kohnke BJU8835403 ABS-060729 LAM 031305 RESULTS OF INITIAL 30 MINUTE ASBESTOS MONITORING SUMMARIZED BY TASK DECEMBER 1988 GASKET REMOVAL RESULTS F/CC [28-32 min. S>: Time! Geismar 1. 10 min removal -from sight-glass <.01 2. Removed Durabla gasket from 3" pipe using flat metal scraper. Took 8 minutes to complete. .01 3. Removed a Durabla gasket from a pump using flat metal^scraper. Took 16 minutes to complete. <.01 4. Removed 4 gaskets from header using flat metal scraper. Took 12 minutes to complete. <.01 Martinez 5. Cleaning gasket surface with wire wheel; no ctrls .054 GASKET CUTTING Geismar 1. Cut a pump gasket from Durabla gasket type material. 3 minutes required to complete. 2. Cut two gaskets from Durabla gasket material using hand shears. Took 20 minutes to complete. Norco 3. Worse case mock up: Welder cutting Durabla Gasket for entire 30 minute period using gasket cutting machine in East Site Central Maintenance shop. Wood River 4. Cutting Durabla Gaskets in Tin Shop. Cutter was equipped with local hepa filtered ventilation. .01 .01 .124 .19 PICKING UP. SWEEPING AND VACUUMING UP A PAD Deer Park 1. Contractor performing general clean up work in A unit. <.01 BAGGING WET ASBESTOS CONTAINING INSULATION Norco 1. Contractor bagging insulation inside roped off area at Cat Cracker. Other workers nearby performing similar work. <.033 ABS-060730 LAM 031306 BAGGING WET ASBESTOS CONTAINING INSULATION CONTINUED Deer Park 2. Picked up insulation and bagged it (A Unit) 5. 16 minutes. Bagged and double bagged asbestos in pipe rack; cleaned up area when finished and emptied hepa vac 4. Collected and placed asbestos insulation into plastic bag; 39 minute sample. 5. Placed asbestos insulation into bag and then double bagged. 6. Placed asbestos insulation into bags and then double bagged in BA/SR area 7. Placed asbestos insulation in bags and then double bagged in BA/SR area <.01 <.10 <.10 <.10 <.10 <.10 PG. 2 HANDLING CLOSED BAGS OF ASBESTOS CONTAINING INSULATION Wood River 1. Picked up 4 bags wet -from rain; carried bags about 8 ft to closed top asbestos dumpster. .01 COLLECTION OF BULK SAMPLES OF DUST AND DEBRIS FOR ANALYSIS Wood River 1. Gathered bulk samples of dust and debris for analysis. <.07 WORKING ON EQUIPMENT PREVIOUSLY STRIPPED OF ASBESTOS Wood River 1. Replace 4 steam valves on line that had been stipped; asbestos still in vicinity. 34 min sx. 2. Same as #1 30 minute sx 3. Same as #1 35 minute sx 4. Same as #1 18 minute sx REMOVAL ASBESTOS CONTAINING INSULATION Norco 1. One of three contractors removing at elevated platform inside roped Cracker. wet off insulation area at Cat <.06 <.05 <.05 <.09 <.034 ABS-060731 lam 031307 REMOVAL ASBESTOS CONTAINING INSULATION CONTINUED Wood River 2. Removed 1/2 " packing (dry) material from sides of 2 tube bundles. Appeared to be non-friable. No scraping or brushing. 13 minute sample. 3. Removed insulation from tee above exchangers using wet method. Some overhead work involved thus creating a possibility for falling debris, although none was reported. 4. Working with #3 above. 5. Removed insulation from large elbow on turbine using wet method. 6. Same as #5 7. Removed insulation by Reactor using wet method. 8. Same as #7 Shell Western E&P Kernridge 9. Removing insulation from hose bib and hydrant Deer Park 10. Removed asbestos insulation off pipe in pipe rack in "A Unit" using wet method. 11. Cut and removed insulation from pipe in pipe rack 39 minute sample. 12. Cut and removed insulation off flat sections of furnace 13. Pulled asbestos insulation off furnace tubes at "u" turns on end of furnace; 27 minute sample 14. Wetted down and chipped insulation off steel beams and expansion joints with pneumatic chisel between two columns. Wi1 mington 15. Removing insulation from 2" pipe, using wet method 140 ft long Martinez 16. Insulation blow still wet method stripping (bulk pipe cover) from suction line in Asphalt plant using and encapsulating agent .18 .29 1.13 .05 .54 <.01 . 13 .16 .49 <.10 <.10 <.10 <.10 .80 <.003 PG ABS-060732 LAM 031308 o CN REMOVAL ASBESTOS CONTAINING INSULATION CONTINUED 17. Same as #16; insulation is < 257. asbestos 18. Same as #16 Metairie Plant 19. Removal and bagging of block pipe cover on piping using water and an encapsulating agent; asbestos content greater than 257.. Work done in Grease plant mezzanine Same as #19 (in pump house) 21. Same as #19. 22. Same as #20. 23. Same as #20. 24. Same as #20. Wil lbridge 25. Outdoor removal of insulation usi ng glove bag 26. Outdoor removal of insulation using g 1 ove bag 27. Outdoor removal of insulation using glove bag 28. Outdoor removal of insulation using glove bag 29. Outdoor removal of insulation using glove bag .01 .04 .06 F'G. 4 .09 .29 1.07 .23 . 05 .022 . 0097 .09 .016 < .01 DRILLING HOLES IN INSULATION Martinez 1. Insulator drilled holes in block pipe cover using wet method in Lubricants unit <.06 2. Same as #1 <.06 2. Same as #1 <.06 REMOVAL OF JAR WRAP CONTAINING ASBESTOS Deer Park 1. Chipped off and bagged tar wrap off old pipeline in dock area; 24 minute sample 2. Same as #1 <.10 <. 10 ABS-060733 LAM 031309 BRAKE REPAIR Wood River 1. Disc Brake job on a pickup, -front end. Used Nil-fisk Wheel enclosure. 34 min sx. .02 BRAKE REPAIR CONTINUED Swepi-Kernridge 2. Replacing brakeshoes sample. onpumping unit.20 minute <.01 Wilmington 3. Drum brake 4. Same as #3 5. Same as #3 job on vehicle using wet method .06 .03 .03 BRAKE CHECK Martinez 1. Performing brake check on vehicle inside garage .01 REMOVAL INSIDE ENCLOSURES Norco 1. Contractor removing wet asbestos containing insulation inside cocooned enclosure with 2 other workers. Insulation had been sprayed with water immediately prior to monitoring. .356 2. Second contractor worker removing insulation in cocooned enclosure described in #2; Was working with very friable insulation material that had not been sufficiently wetted prior to its removal. 2.166 VACUUMING CONTAMINATED CLOTHING Norco 1. Contractor worker inside decontamination trailer vacuuming disposable coveralls for 10 minutes. No other employees present. Remainder of time spent inside the trailer. Portable hepa vac used. <.033 Deer Park 2. 5 minute sample. Vacuumed clothing and and removed coveralls, washed hard hat, and respirator. boots goggles, 3. 5 minute sample. Same as #2 <.10 <.10 PG. 5 ABS-060734 LAM 031310 EMPTYING HEPA VACUUM CLEANER Deer Park 1. Opened hepa vac and changed out -filter bag and <.10 cleaned and reassembled for use. 18 minute sample. 2. Same as #1 <.10 SEALING OF EXPOSED INSULATION OUTDOORS Martinez 1. Sealing of exposed insulation on Column in Furfural unit 2. Same as #1; asbestos content > 257. .27 .02 PG.6 ABS-060735 LAM 0313H December 19, 1988 Shell Oil Company One Shell Plaza P.O. Box 2463 Houston, Texas 77252 She'll Pipe Line Corporation Mr. M. G. Kohnke Dear Morris: Pursuant to the service agreement between Shell Oil Company and Shell Pipe Line Corporation, the attached memorandum dated December 19, 1988, regarding "Aggregate Results of Initial Asbestos Monitoring" is for your information. Sincerely, P. J. Snyder Staff Industrial Hygienist Products Health & Safety PJS:PJW Attachment BJU8835403 ABS-060736 LAM 031312