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GRAND VALLEY COAL -- WATER SAMPLE ANALYSIS <br />LONG FORM - FOR ACTIVE MINING <br />SAMPLE SITE SW-8 DATE 6/30/95 TIME 2:27 PM <br />SAMPLED BY WALTERS <br />FIELD PARAMETERS <br />UNITS <br />PH 8.56 SU <br />TEMPERATURE 15.6 °C <br />SPECIFIC CONDUCTANCE 1.550 umhos/cm <br />OIL AND GREASE NONE <br />LAB ANALYSIS <br />DATE REPORTED 8/24/95 <br />ANALYZED BY: GRAND JUNCTION LABS DATE RECEIVED __6/30/95 <br />LAB SAMPLE NO. 3834 <br />PH <br />TEMPERATURE <br />SPECIFIC CONDUCTANCE <br />TOTAL SUSPENDED SOLIDS <br />TOTAL DISSOLVED SOLIDS <br />TOTAL COMBUSTIBLE SOLIDS <br />TOTAL HARDNESS <br />SODIUM ABSORPTION RATIO <br />BICARBONATE (HC03) <br />CALCIUM (Ca+2) <br />UNITS <br />8.35 SU <br />25 ° <br />1,580 umhos/cm <br />:1020 mg/1 <br />1150 mg/1 <br />580 mg/1 <br />357 mg/1 <br />4.3283 <br />250 mg/1 <br />58 mg/1 <br />DATE TESTED <br />7/5/95 <br />6/30/95 <br />7/5/95 <br />7/5/95 <br />7/5/95 <br />7/10/95 <br />7/7/95 <br />ACCURACY <br />+/-122 <br />+/-121 <br />+/- 37.5 <br />CARBONATE (CO3) <br />CHLORIDE (C1) <br />MAGNESIUM (Mg) <br />36.9 mg/1 <br />16 mg/1 <br />51 mg/1 <br />POTASSIUM ~K) 5.4 mg/1 <br />SODIUM (Na+) 188 mg/1 <br />SULFATE (SO4) 520 mg/1 <br />ALUMINUM (Al) 0.000 mg/1 <br />ARSENIC (As) 0.000 mg/1 <br />BORON (B) 0.000 mg/1 <br />CADMIUM (Cd) 0.0002 mg/1 <br />COPPER (Cu) 0.002 mg/i <br />IRON (Fe) 0.00 mg/1 <br />LEAD (Pb) 0.008 mg/1 <br />MANGANESE(Mn) 0.509 mg/) <br />MERCURY (Hg) 0.00000 mg/1 <br />MOLYBDENUM (Mo) 0.000 mg/1 <br />SELENIUM (Se) 0.000 mg/1 <br />ZINC (Zn) 0.005 mg/1 <br />7/6/95 +/- 2.6 <br />7/6/95 +/- 0.7 <br />7/6/95 +/- 3.3 <br />7/7/95 +/- 0.6 <br />7/7/95 +/- 9.4 <br />7/7/95 +/-23 <br />7/11/95 DL=0.001 <br />7/7/95 DL=0.001 <br />7/12/95 DL=0.001 <br />7/21/95 +/-0.00001 <br />7/28/95 +/-0.00007 <br />7/10/95 DL=0.01 <br />7/15/95 <br />7/17/95 <br />7/12/95 <br />+/- 0.0004 <br />+/- 0.017 <br />DL=0.00005 <br />7/11/95 <br />8/7/95 <br />7/28/95 <br />DL=0.001 <br />DL=0.005 <br />+/-0.0002 <br />DL - detection limit <br />