Document 3epznGnqNgbEO1o6v35Xjy53n

M -TO ^ '* ^ INTERNAL. CORREIPONOINCI UNION CARBIDE CORPORATION oua riogebury road, oanbury. ct obbiv ! To (Nama) Orvioion S. G. Austin, Sc. HS > EA Epidemiology P2586 November 1. 1983 Ono^vtne Oaec. HS & EA An* Epidemiology. P2585 Copy co South Cherleetoa Vinyl Chloride Study_____ Here ere the results of e bit of detective work concerning the South Charleston vinyl chloride study: Quest4gHg*ires sent by EHA were entered on the word processor. There were^Tlvw non-matches, when this list was Interfaced with the KV tape. 'V,, ^ * Additionally, anTquitable Environmental Health list was compared to the WP list. A sample of names on the EEH list, but not the WP list, was sent to EHA. EHA determined that all but 13 of the names In the sample were deaths that were not sent to us. This accounts for the number 18 from EHA. However, EHA sent us a list of all deaths so that an exhaustive search of the original EEH list could be made for additional records that we did not have. When I did this, I found 33 more employees bringing the total that EHA did not recalve information on to 51. Vr i)0. 1 conminlcated this to EHA, at which time they said they would compare the results received from DCC to their master computer tape. They Indicated that it was possible that thera might have bean more names on the tape which were not on the EEH list. We never did receive this result. ARS;\ak 'TjLsVj . '<**' "* Sincerely, U- 9*.a. Robert Schnatter Biostatistician X h u> y & ucc 014860 INTERNAL CORRESPONDENCE UNION CARBIDE CORPORATION old ridgebury road, danbuhy, ct osai7 toInt^ Austin, Sc. D. HS & EA Epidemiology P2586 Copy co November 1, 1983 Oioinine Dot hs & ea Armm Epidemiology, P2585 Here are the results of a bit of detective work South Charleston vinyl chloride study: Questjtagnaires sent by EHA were entered on the w wer^Tivd non-matches, when this list wes interf Additionally, anEquitable Environmental Health UP list. A sample of names on the EEH list, but sent to EHA. EHA determined that all but 13 of w.TM ---- r-- . , were deaths that were not sent to us. This accounts for the number 18 y5 from EHA. However, EHA sent us a list of all deaths so that an exhaustive search of the original EEH list could be made for additional records that we did not have. When I did this, I found 33 more employees bringing the total that EHA did not receive Information on to 51. I communicated this to EHA, at which time they said they would compare the results received from UCC to their master computer tape. They indicated that it was possible that there might have been more names on the tape which were not on the EEH list. We never did receive this result. Sincerely, A. Robert Schnatter Biostatistician UCC 014861