Document M4xGMqJvJLMR0xmBNQ3a4E2oy

* DOW CHEMICAL U.S.A. August 8, 1975 LOUISIANA CWLSION PLAQUSMINt LOUISIANA 707*4 *04 SS7-43Z1 Charlie Halphen Industrial Hygiene NOISE SURVEY - VINYL CHLORIDE PLANT AND PERSONNEL - 1975 All Vinyl Plant personnel were checked for noise exposure in July. The result of these checks are listed by job classification. Engineers and Superintendent Stenographer Lab O.T. Lab S.O.T. Lab Other Shift Supervisor Operations Specialist S.O.T. Operations Technician EDO 0-42% 0% 0% 0% 0-4% 0-2% 0-2% 0-3% 0-30% 0-6% The result of the Vinyl Plant area Burvey is attached. Projects completed: COST BEFORE dB(A) AFTER 1. Replaced noisy gear on K-15A. 2. Replaced noisy gear on K-15B. 3. Insulated ethylene control valves on R-lD and R-1E. 4. Shut down obsolete air system and noisy dryers. New air syatem at Solvents. 5. Replaced steam jets on beta-tri system with vacuum pump. 25,000 75,000 5,000 300,000 25,000 92 to 92 95 97 90 99 90 83 85 Projects planned: 1. Replace noley gear on K-8F. 2. Reduce noise on fuel gas burners oq vinyl furnaces. 25.000 20.000 103 yj^> Jan Acbord Vinyl Chloride Plant AN oeSRATV*a UNTT OS TNI DOW OHSMICAL COMPANY mfir ,, jj 00 143733 CONFIDENTIAL August 8, 1975 DOW CHEMICAL U.S.A UDUtMANA OMtWN plaoubmin*. louiwana wm 04 M7-AS21 Charlie Halphen Industrial Hygiene NOISE SURVEY - VINYL CHLORIDE PLANT - 1975 1. East Of K-4 2. West of K-4 3. East of T-40 4. West of T->40 5. K-10 6. M A & 1 7. Road by R-1A R-1E East Road Btms pump and control valve 8. C-2 reflux 9. North end EDC 10. Scrubbers 11. C-14 12. C-20A 13. East of Cbcychlor R-1D Ethylene line At manual valves 4" from control valve 14. Center Oxychlor 15. C-8C 16. C-25 17. K-8E Gear Box Motor Suction Discharge 18. K-8F gear box Motor Suction Discharge 19. K-15A Between K-15A & B 20. K-15B Road Motor and gear Suction Discharge Oil system 83 81 85 84 94 86 88 92 89 96 85 85 90 84 84 88 87 88 90 92 87 85 89 94 94 97 97 96 103 100 99 94 90 93 91 99 93 95 92 21. 7R-1A & B 22. FR-1C & D 23. T-106 24. T-105 25. T-103 V-14 Jet C-8B Area Control Room Office Lab 86 85 78 74 79 89 89 66 62 71 -AN OPERATINO UNIT Of THt DOW CHCMIOAL COMPANY CONFIDENTIAL