Document 7MmjeeLDDaxwwN0gkNeDBVQMB

Monsanto THOM INtiMf h IOCATIONJ E. 5. Tucker - R&D Laboratories - South Second Street RM t RCNCE December 11, 1969 AROCLOR - WILDLIFE p. B . Hodges - GO M. W. Farrar - Res. 1 R. E. Keller - Res. 1 W. R. Richard - GO E. P. Wheeler - GO TO Michael Pierle TSD - W. G. Krummrich Plant The analysis of all W.G.K. sediment samples so far received has been completed and the results are shown in the following table. All sediments extracted contained heavier EC/GC active materials; however, the retention times and general peak shapes did not exactly match the EC fingerprints of either Aroclor 1254 or 1260. In two cases, OR Log Nos. 77 and 78, significant amounts of the heavier materials were present with respect to the Aroclor 1242 content. These heavier materials are most probably a mixture of Aroclor 1254 and 1260 whose isomer distribution has been altered. OR Log No. W.G.K. Sediment Samples Sample Identification Date Taken Amount Found (Reported as Aroclor 1242) . ^ 77 Mississippi River 8-25-69 106 ppm f'' Downstream ( 78 Mississippi River 8-25-69 *825 ppm Monsanto Dock ^41.6 ppb 79 Mississippi River 8-25-69 Upstream 92 Mississippi River 10-10-69 1.10 ppb^ Upstream 93 Mississippi River 10-10-69 4.60 ppm Monsanto 94 Mississippi River 10-10-69 3.19 ppm Downstream E. S. Tucker db AUL HODGES DEPOSITION Hay 31 - June 1, 1994 EXHIBIT NO. 24 CONFIDENTIAL 92-CV-204-WDS CER 010879 WATER PCB-SD0000005622