Document 65Y3V8b4Noa02wgveVV6nGN6

MANUPACTUFTO ASSCXM710N February 25, 1994 Son Gilbert Westlake Polyeere 2801 Post Oak Blvd. Houston, IX 77056 Dear Hr. Gilbert: Cvi .Shftjl 38' *- The Cbeaical Manufacturers Association Vinyl Chloride Panel is considering a second update of the vinyl chloride epideaiology study. This is a very isportant undertaking to resolve soae scientific issues arising fros the first update. The original study was coaprised of eaployees working in vinyl chloride and polyvinyl chloride operations froa 1942 to 1972. The aortality experience of these workers was updated to 1962. The following docuaents are enclosed to faailiarixe you with tbs study and scientific issues concerning the update: 1) Vinyl Chloride Panel coaaitaent fora; 2) February 14, 1994 Record of Meeting; 3) Deceaber 9, 1993 Record of Conference Call; 4) Noveaber 5, 1993 Record of Meeting; 5) Deceaber 2, 1993 letter froa CMA to ENSR; 6) February 10, 1994 letter froa ENSR; 7) Final Report, "An Update of An Epldealology Study of Vinyl Chloride Workers, 1942-1982"; 8) February 1989 ENSR Reassessaent of Liver Cancer Aaong Vinyl Chloride Workers; 9) An Industry-Wide Epideaiologic Study on Vinyl Chloride Workers, 1942-1982; 10) Letter to the Editor, "Diagnostic Bias in Occupational Epideaiologic Studies"; and, 11) Letter to the Editor, "Diagnostic Bias in Occupational Epideaiologic Studies: An Exaaple Based on the Vinyl Chloride Literature." BFG40720 BFG 00215 2501 M Street. NW, Washington, DC 20037 Telephone 202-887-1100 Fax 202-887-1237 ^^AfSkCanSaS Mr. Gilbert February 25, 1994 Page 2 Currently, there are nine producer companies of vinyl chloride in the U.S. Eight of these companies, except Westlake, are aeabers of the CMA Vinyl Chloride Panel. Your predecessor, BFGoodrlch, participated in the original study and the first update. The Panel aeabers invite you to join thee in the second update of the vinyl chloride epideaiology study. Please coaplete the enclosed coaalteent fora for $9,000 if you decide to join the Vinyl Chloride Panel to update the study. Each coipany's pro-rata share for the actual study will be deterained at a later date. If your current workers are included in the study cohort through their previous affiliation with BFGoodrlch, the proposed update will provide you with laportant scientific inforaatlon. On the other hand, even if your aore recent workers are not included in the study cohort, your participation in the proposed update will provide your coapany with inforaatlon on current scientific issues to aid in better risk aanageaent. I understand froa Mr. Frank Borrelli that you plan to attend the next Vinyl Institute nesting in March. I will be happy to aeet with you at that tine to discuss any of the Issues arising froa your review of the enclosed aaterial. If you have any questions, please contact ae at (202) 887-1192. Sincerely, Enclosures Hasaukb C. Shah. Ph.D. Manager, Vinyl Chloride Panel BFG40721 BFG 00216