Document dDMLNMRrE0xDYYMYwQj3B8a26

AR226-1976 f Z-4? RS^. 1-80 c^xuaticDisox E. I. DU FONT DE NEMOURS & COMPANY INCORPOfUTEO p. 0. Box 1217 PARKERSBUR6. W. VA. 86101 POLYMER PRODUCTS DEPARTMeNT CC; A. R. Behnke J. F. Doughty C. R. Campbell D. A. Erdman L. W. Goin T. L. Schrenk April 24, 1981 C. E* Steiner G. H,. Stoltz P. Thistleton G. E. Washburn R, J. Zipfel J. H. Hale - Wilni. Robert I. Wevodau, Jr. Engineering Departanent Wilmington - I. 13W26 GROUND I,EVEL C-8 CONCiEMTRATIONS DOWMWIMD OF TEFLON EXHAUST STACKS As per our -telephone conversation on 4/8/81, please determine eight-hour time-weighted, average C-8 concentrations at various distances downwind of C-8 emission sources under the most detrimental weather conditions. Significant C-8 emission sources at Washington Works are as follows: PEP BUILDING 163 Wet finishing baghouse exhaust Coagulator baghouse exhaust (These sources are approximately 53 feet apart -- see attached map.) TFE -- BUILDING-162 No. 2 fine powder dryer exhaust No. 3 fine powder dryer exhaust (These sources are approximately 42 feet apart -- see attached tnap*~ PEP sources are approximately 555 feet west of TEE sources,) that for The data you requested are included the TPE C-8 sources, 3 separate sets in of TcaobnldeitiIo. ns Nwotiilcle exist at various times. Therefore, calculations should be made for each set of conditions- If any additional information is needed, please call me (863-4358). Attachment \^-si^p/^ !. (_^jo-acA^OLV-o Joseph G. Loschiavo \ h-P>. JGL/nsw There's a world of things we're doing something about ETD079396 sl &> - <0 - r p r- a I ! is U>1 1^ a t^ t- ^ > r, S m o -a" CTI * - 1'" co 1-1 n a> ^^ B oI a rf - , "> . S 01 S3\ ^ >-1 M g . . 0 > < 0^ CO 10 3 N! f- $^ 8rt ^. i-l N' W S I 3 r1 u> ff\ 0 ^r R ^ m " n~ c* I- 0> 01 10 :9 ss. I a <s> N|| ^ r-f 0 Oi 0 0 0 ^y t- ' t^* 9- -ki Ih PI m 10 co S ot-< -0 _ f --Ini-tlOoO s o <n o o> o <H r * g a S a r^ ,5->r ^OT 0o t>0i sl ^ "a I a a s- I a a & ^ d Is I "i ^rt: 0' u- ? EID079397 EID079398