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<br />• <br />PIEZOMETERS <br />SAMPLE PZ-2 PZ-3 <br />LOCA7ION MINE Y3 MINE fl3 <br />GEOLOGIC UNIT MONITORED <br />GROUND ELEVATION (FT-AMSL) <br />DATE OF COLLECTION 9/1/81 9/1/81 <br />LABORATORY PARAMETERS <br />CONDUCTIVITY <br />(UMHOS/CM AT 25(0) 1000 1460 <br />PH (UNITS) 7.7 7.4 <br />ALKALINITY (AS CAC03) 545 330 <br />ARSENIC 0.002 00.001 <br />BARIUM 2.8 0.8 <br />BICARBONATE 665 400 <br />BORON <0.1 <0.1 <br />CADMIUM <0.01 <0.01 <br />CALCIUM 46 145 <br />CARBONATE <0.1 (0.1 <br />CHLORIDE 7.1 6.4 <br />CHROMIUM 00.01 00.01 <br />FLUORIDE 0.5 0.2 <br />HARDNESS (AS CAC03) 250 8D0 <br />IRON 0.88 0.15 <br />LEAD O.D1 0.02 <br />MAGNESIUM 33 105 <br />MANGANESE 0.02 0.03 <br />MERCURY 00.0001 0.0001 <br />MOLYBDENUM <0.1 00.1 <br />NITRATE AS N 0.1 <0.1 <br />POTASSIUM 7.1 4.9 <br />SAR 4.4 0.9 <br />SELENIUM <0.001 <0.001 <br />SILVER 0.4 <br />SODIUM 160 59 <br />SOLIDS, 70TAL DISSOLVED 620 1110 <br />SULFATE 38 565 <br />ZINC 0.36 0.01 <br />ALL MEASUREMENTS ARE IN MILLIGRAMS PER LITER UNLESS OTHERWISE INDICATED. <br />u <br />