Document oDdO7mvKB6k9raXwOX868nZBr

y* Polymer Products Department Research and Development Division Experimental Station ' AR226-2387 cet S C Croft - 256 M- A* Kaiser - 256 T. K. Wu - 323 PRAL File - 256 I.C. - 323 ANALYTICAL REPORT June 25, 1984 J, F. DOUGHTY - PPD, WASHINGTON WORKS FROM: S. R. LAAS 'CXbO^/ (Job No. pkAT. PLER.FLU8O4R-3OO2C0T1A-6NO;AT3E. 6(C48)^IN, 3WA9T7ER^ o t.b o .l. Ko- vB?H7-HW>j. Fifteen ,,.pics of atet have been analyaed the CCS) by electron capture gas chro.atograp , 1.8-20 following modifications: sample internal standard was decreased 10 hours; concentration of perfluoro e f , 0 2 0.3 0.4 ppb were fold. Spiked standards at concentrations of O . k O . 2 , or>0^ and we have examined. A reproducible detecta e pe detected in the spiked used this as our detection limit. o p linear calibration curves over standards< .4 ppb. For the quantitate.on " derivitized, and the range of 0.4 to 1 ppb. The samples were freezed where analyzed in duplicate. The results are expressed as pP ppb F = 0.688 x ppb perfluorooctanoate. The results are given in the attached table, If you have any questions, don't hesitate to call. msg Attachment Keywords: GC Perfluorooctanoate Water RJZ009217 EID079099 V TABLE I Porf 1uorooctanoate in Water Pral No84-3401 84-3402 84-3403 84-3404 84-3405 84-3406 84-3464 84-3465 84-3466 84-3467 84-3468 84-3979 84-3980 84-3981 84-3982 Designation P D L G RD WB B WW K. mi pp . WB L WW LB (a) mr P/tr Water (ppB) n.d. n. d. 0.4 . . n.d. . n.d. 0.8 n.d. n.d. n.d. . n.d. n.d. ,.T ^ n.d. n.d. 1. .- r : (a) n.d. = none detected; detection limit = 0 . 4 ppb gufioozn EXD079100