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• <br /> MID-CONTB ENT COAL AND COKE COMPANY <br /> APRIL 19, 1978 <br /> (CONTDR ED) <br /> Your Sampling Our Conductivity Iron Manganese Turbidity TDS TSS TS <br /> S,*!mle No. Date Sample No. mho/cm ppm (Fe) PUb (I°In) JTII _-pprn ppll p <br /> 3p/-Q91 3/2�/78 D 4637 920 0.28 54 24 599 8 607 <br /> 20 3/23/78 D 4638 635 0.46 27 1300 410 lo16 1430 <br /> 20 3/30/78 D 4639 471 0.30 < 7 1280 285 1919 2248 <br />