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<br />GRAND VALLEY COAL -- WATEF: SAMPLE ANALYSIS <br />LONG FORM - FOR ACTIVE MINING <br />SAMPLE SITE SW-8 DATE =/3i~/96 TIME 10:07 AM <br />SAMPLED BY WALTERS _ <br />FIELD PARAMETERS <br />UNITS <br />F'H 8.78 SU <br />TEMPERATURE 4.5 °C <br />SPECIFIC CONDUCTANCE 2,800 umhos/cm <br />OIL AND GREASE NONE <br />LAb ANALYSIS <br /> DATE REF'OF(TED 4/15/96 <br />ANALYZED bY: GRAND JUNCTION LAPS DATE RECEIVED 4/1/96 <br /> LAB SAMPLE N0. 1182 <br /> <br /> UNITS DATE TESTED ACCURACY <br />pH 8.^5 5U 4/1/96 - <br />TEMPERATURE 25 _° 4/1/96 - <br />SF'ECIFIC CONDUCTANCE 29(10 umhos/ cm 4/1/96 - <br />TOTAL SUSPENDED SOLIDS 319 mg/1 4/1/96 +/-38.3 <br />TOTAL DISSOLVED SOLIDS 25:0 mg/1 4/1/96 +/-266 <br />TOTAL HARDNESS 684 mg/1 4/3/96 +/-71.8 <br />SODIUM AbSORF'TION RATIO 7.9773 - <br />bICARPOhJATE (HC03) 780 mg/1 - <br />CALCIUM (Ca+2) 85 mg/1 4/2/96 +/- 3.8 <br />CARBONATE (C03) O mg/1 - <br />CHLORIDE (Cl) 12 mg/1 4/2/96 +/- U.5 <br />MAGNESIUM (Mg) 115 mg/1 4/2/96 +/- 7.5 <br />POTASSIUM (N:) 6.4 mg/1 4/1/96 +/- 0.9 <br />SODIUM (Na+) 480 mg/1 4/1/96 +/- 24 <br />SULFATE (S04) 1130 mg/1 4/1/96 +/-S~i.9 <br /> <br />ALUMINUM (A1) 0.0°,5 mg/1 4/1/96 +/-O.OC~13 <br />ARSENIC (As) 0.000 mg/1 4/3/96 DL=U.pu1 <br />BORON (B) O.r.~17 mg/1 4/4/96 +/-0.002 <br />CADMIUM (Cd) O,OOC~O mg/1 4/10/96 DL=0.0002 <br />COF'F'ER (Cu) 4.007 mg/1 4/10/96 +/-0.0003 <br />IRON (Fe> C?. 22 mg/1 4/4/96 +/-U,008 <br />LEAD (Pb) 4.oc]0 mg/1 4/2/96 DL=4.001 <br />MANGANESE(Mn) 0.004 mg/1 4/11/96 +/-O.U001 <br />MERCURY (Hg) 0.04040 mg/1 4/5/96 DL=U.004i)5 <br /> <br />MOLYBDENUM (Mo) O.ClOS mg/1 4/3196 +/-0.001 <br />SELENIUM (Se> o.U40 mg/1 4/9/96 DL=0.005 <br />DL = detection limit <br />