Document 8RE73ZnON3k53xdjDw1RoVg3a

WASHINGTON WORKS TEFLON POLYMERS BUSINESS TEAM cc: *. u. ipiei AR226-2389 September 20, 1985 TO: 0. E. CRUM FROM: M. KRUEMPELMAN ANALYSIS OF RIVER WATER FOR C-8__ REF. 1: REF. 2: Letter, 0. F. Doughty to S. R-Laas, "C-8 in Water and Mud", dated 10/15/84 Letter, M. Kruempelman to S. R. Laas/M'/ b ,RIVilone, "C-8 in Water and Mud , dated 7/16/8b In the analysis of the initial water samples (Ref. 1) interferences were detected in the GC scans in the region where r R eluies In jSlviRef. 2) three water samples were sent to the E - x p , M n U l s m i l i t ( / d e t e r m i n e i t t h e cause o f t h e i n t e r f e r . n t s was in the sample container and/or the depth sampler. The analysis of these samples has been completed Of thes only th e sample from the depth sampler showed a small interference ?n the area where C-8 elutes. While there was an interference in the area of C-8, it did not solve the problem that there are a significant number of organic contaminants in the river water that interfere with the C-8 analysis. The question arises as to what we should do next with the could be obtained and sent to the station for analysis. Before we decide to take fresh samples we must consider another problem. At present, the Experimental Station has .uthod for de'er.ining C- ih dr,n - 9 - ^,,ber of^organicC impurities6TMresent^1The Experimental Station doe, not have a method for determining C-8 in river water, or in mud. The St"tiamtpioanndhamsoneiynditocatdeedveltohpat aitmewtihlold ttaokede*termine river water Si" e! Add"tioool time ill be required for developing a method fo'ir C-8 in mud. 0188T - MK:kst 7 T760(17'OT EID079095