Document 65Ox0QR287gNERrOMez6xE0vm

Monsanto rWM,H>[.Loc.T.oN,Et E< Stewart, W, G. Kruimnrich Plant______________ MTt : January 12, 1975 cc W. C. Engman SUBJECT RIFtRENCC TO : PCB-LOSS CONTROL DATA MONTHLY AVERAGES * Mr. A. E. Leisy Tabulated below are the monthly average PCB losses at the respective locations. All values are lbs PCB/day. 1972 Waqte Treat- Total Manu- ment Plant Dept. 246 Incinerator facturing Influent Effluent July 0.67 0.28 1.0 . 11 2 Aug. 0.48 0.30 0.8 14 6 Sept. 0.55 0.17 0.7 85 Oct. 1.76 0.11 1.9 ,8 5 Nov. Dec. 4.56 1.63 0.65 0.17 CO H 5.0 55 54 1 # PCB/day is equivalent to about 0.001 ppb in the Mississippi River. We are consistently meeting a possible EPA guideline to restrict PCB losses to an amount less than 0.01 ppb in the receiving water as stated in the "Polychlorinated Biphenyls and the Environment" report of May, 1972, by the Inter departmental Task Force on PCB's. /tm IN - 1C REV. 1/72 Edward E. Stewart Technical Services Department DSW 310816 - STLCOPCB4070802