Document rbR7dZVMymmbmpXRKpyOaqoG

TO: Distribution '- ' Of*: Silly Salter Date: July 23, 1989 Subject: Potential EDO Exposure Points 4'/;. 1 jwmsr^j.s-.a*0? tasks .pe.rrormed by operations at ' . ' ^nd-*maantsnande .tb.it could have potential exposure to t-iVC. A a.-mpling systen is startin'. i'or VCH II operations that will try and analyze nr :.he Eh-' exposure potential. you have any jobs zhaL xj.11 be coming up in the very near future that will allow sampling to be done, please let me know. Also, list any otftmr joos that may have the potential for EDC exposure. The bulk o this- sampling will have to be done before August 7, 1989, The OSHA guidelines for 1 ppm EDC exposure TWA (average for 8 hours) and 2 ppm EDC exposure STEL (average for 15 minutes) go into effect September 1, 1989. I. Auxiliary Operator A. Catching OHC degasser samples B. Catching OHC vent samples C. Catching EDC vent samples D. Pouring samples into sample drum E. Charging EDC catalyst pot F. Catching covered separator samples G. Catching samples off EDC trucks II. EDC Opera tor A. Dumping EDC dopp kettle into drums B. Clearing EDC reactor level transmitters C. Draining EDC pumps D. Clearing screens on heavy still bottoms pumps E. Unplugging screens F. Working around covered separator G. Draining liquid out of vent headers H. Unplugging reboiler loops I. Vent off incinerator vent header 02 analyser sample system K.J. Pent off EDC reactor vent sample system and scrubber Clearing EDC equipment III.OHC Operator A. Blowing down catalyst from reactors B. Draining EDC pumps C. Flushing ph probes D. Working around BAT sumps E. Draining OHC recycle boot F. Draining liquid out of vent headers SL 087902 G. Unloading EDC trucks H. Vent' off OHC reactor vent GC and 02 analysers I. Pump sample drum to I.C. tank J. Clearing EDC equipment K. Vashing DH still L.. Vamping DH feed economizer M. Clearing sight glasses N. Clearing chloral treatment filters tr IV VC Process Operator A. Draining EDC pumps B. Dumping VC tar buggy C. Clearing EDC eqvip&i-r.z D. Clearing sight glasses . Co V. Storage Operator A. Gauging EDC storage tanks B. Draining EDC pumps C. Clearing EDC equipment D. Loading EDC barges E. Draining ST-2 vent K.O. pot F. Clearing carbon/pels bed and filter /><J~ 0</u ZJ. C TUt VI. Maintenance A. Dumping CaC12 driers and filters B. Replace EDC filters C. Swapping reboilers that have EDC (Heavy still, light still, product still, stripper, and DH still) D. Working on EDC pumps E. Unplugging EDC lines F. Breaking into EDC equipment G. Dumping carbon bed/pels bed H. Clearing transmitters I. Vent from OHC reactor GC and 02 analyzer vent system J. Vent from incinerator vent header 02 analyzer K. EDC reactor vent sample system and scrubber Distribution Don Pearson Ronnie Tucker Marc Fontenot Art Reinhardt Mike Guidry Johnny Venable Larry Vance Control room SL 087903