Document NekdjyMEDxb8Dq2GnrBarXKw

AR226-1973 Z-*T REV-1-flft E. I. DU POMT DE NEMOURS 5L COMPANY nieoiipoinna P. 0. Box 1217 PARKERSBURG, W. VA. ZSW POt-YMEft MIOCH1CTS DEPARTMENT CCi A. R. Behnke T. L. Schrenk J. P. Doughty C.. E. Steiner C. R. Caropbell P. Thistleton D. A. Erdman G. B. Washbum L. W, Goin R. J. Zipfel J. H. Hale - Wilmington May 12, 1981 I. Robert We-rodau, Jr Engineering Departnient Wilmington - L 13W26 TIME-WEIGHTED AVERAGE AMMUAL C-8 COHCEMTKATIOMS AMD POR A TYPICAI, DAY AT VARIOUS WASHINGTON WORKS LOCATIONS Attached is infomnation received from the National Climatic Center concerning wind distributions by Pasquill Stability Classes for a typical year in the Parkersburg, West Virginia area. With this weather information along with information sent to you recently regarding Teflon C-8 emissions, please calculate the following for those areas listed in Table 1; e Expected time-weighted average annual C-8 ground-level concentration. Most likely time-weighted average 8-hour C-8 ground-level concentrations using the prevailing weather conditions. Attachment JGL/nsw CLi^XI o^ . ^A 04 c.t^A*.-& .Joseph G. Iioschiavo There's a world of things we're doing something about EID079394 ''cy ^ggg^l-^?^1^^^^'? a^ff^HoSSR ', I I i?. g ,, ^ tOtT^I'S 8" R H' . ' g p. {s. t * )i QiFFia.p ! Oi-hfMtOiMtOi-D'i^t0S>^ FtttcltflSS'trl s 1' i '? ' i ^ e 1< sf L. "' '? , PO Pa '<! M \Q 0 f g^gplgo N.II- Q. t ' Q* ' 5'y10^ ^^^ M 0 o 0 tx? Qi Oj Qj 'a . M t-- (-1 &i en rfi. t0 03 U) ' g S II ! NtoodNSoOooMooONuSWibo^NHulOoiMlouOoitfVofl<OoOOuM'i^ut~-O'iUiW-^lfOtuh-i''^^^Ews8rNBa6L9a9 2 5 ^ 0?. ! s i lCO Ot'seoodfv [0U-1 10030l<-0TiiM>&Ct.->W'M>O0-OiMUN)OOloh-'KJM>)0Cf.-t0'-l1'-O-''iICt->'TWHl