Document 50GweyO3eaEXa28OpGX3pez6N

AR226-2386 CONFIDENTIAL 5W Polymer Products Department Research and Development Division Experimental Station analytical report .8A iV" si,"0" >* ce: S, C. Croft - 256 H, A, Kaiser - 256 T- K. Wu - 323 PRAL File - 256 I. C. - 323 June 25, 1984 TO: J. F, DOUGHTY - PPD, WASHINGTON WORKS PROM: S. R. LAAS (Job Wo. 840-0670; PERFLUOROOCTANOATE (C8) IN WATER PRAL Nos. 84-3201-6; 3464-68; 3979-82, Notebook Wo E27552) Fifteen samples of water have been tlfthe (C8) by electron capture gas chromatograp y. lLatioii was-- 18-20 following - o d l t t e j U a * ,, ^ S ^ c a n o a L Snkrial standard was decreased 10 hours; concentration or per n i n.2 0,3, 0.4 ppb were fold, spiked standard* at concentratp"9k was Observed for 0.4 ppb and we have examined. A reproducible d ^ abI^ 8 peak was detected in thespiked . used this as our detection llnear calibration curves over s t a n d a r d ^ -4 ppb, For^the J J TM freezed dried, derivitized, and ppb F " 0,688 x ppb perfluorooctanoate. PP " * The results are given in the attached table, If you have any questions, don't hesitate to call* IRW000022 ms g Attachment Keywords; GC Perfluorooctanoate Water EIP136033 CONFIDENTIAL TABLE I Perfluorooctanoate in Water Pral No. Designation 84-3401 P 84-3402 D 84-3403 .L 84-3404 G 84-3405 RD 84-3406 WB 84-3464 B 84-3465 WW 84-3466 R 84-3467 RW 84-3468 . PP 84-3979 WB 84-3980 L 84-3981 WW 84-3982 LB np F/e WaterJ n.d. n.d. 0.4 n.d. n.d. 0.8 n.d. n.d. n.d. n.d. n.d. 0.7 n.d. n.d. - 1. (a) n.d. * none detected; detection limit =* JRW000023 EID136034