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COLORADO YAMPA COAL COMPANY PAGE 1 <br /> WATER QUALITY MONITORING DATA - PRIMARY METALS <br /> NO. : 29 STATION NAME: MIDDLE BELOW MINE 3 (29) TYPE: STREAM DATE: 01/09/90 <br /> DATE ARSENIC BARIUM CADMIUM CR-TOT CR-HEX LEAD MERCURY SELENM SILVER <br /> TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL <br /> UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L <br /> -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- <br /> 10/20/80 -4.0 -200 -10.0 -100.0 -5.00 -3.0 -30.00 <br /> 04/01/81 -1.0 -300 -20.0 -200.0 -1.00 -1.0 -40.00 <br /> 10/22/81 -1.0 -300 -20.0 -200.0 -1 .00 -1.0 -40.00 <br /> 04/14/82 -2.0 -20.0 -200.0 -1.00 -2.0 <br /> 10/12/82 -5.0 -20.0 -200.0 -0.10 -5.0 <br /> 04/07/83 -5.0 6.0 70.0 3.00 -5.0 <br /> 10/21/83 -2.0 10.0 20.0 -1 .00 -2.0 <br /> 04/10/84 -2.0 -5.0 -20.0 -0.50 -2.0 <br /> 10/03/84 -2.0 -5.0 20.0 -0.50 -2.0 <br /> 04/24/85 -2.0 -5.0 -20.0 -0.50 -2.0 <br /> 10/25/85 -2.0 -5.0 -20.0 -0.50 -2.0 <br /> 03/03/86 -1.0 -5.0 -20.0 -0.20 2.0 <br /> 03/10/86 -1 .0 -0.1 -20.0 -0.20 -1.0 <br />