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<br />GRAND VALLEY COAL -- WATER SAMPLE ANALYSIS <br />LONG FORM - FOR ACTIVE MINING <br />SAMPLE SITE SW-1 DATE_ ~+/30/96 TIME AM <br />SAMPLED HY WALTEF.S <br />FIELD F'ARAMEI"E RS <br />UNITS <br />FH 8.53 SU <br />TEr9F'ERATURE 7.4 °C <br />5F'ECIFIC CONDUCTANCE 2,650 umhos/cm <br />OIL AND GREASE NONE <br />LAH ANALYSIS <br />DATE REPORTED 4/15/96 <br />AIVALYZED BY: GRAND JUNCTION LAHS DATE RECEIVED 4/1/96 <br />LAH SAMPLE N0. 118~j <br /> UNITS DATE TESTED ACCURACY <br />pH 7.29 SU 4/1/96 - <br />TEMFERATURE 25 _° 4/1/96 - <br />SFECIFIC CONDUCTANCE 2850 umhos/cm 4/1/96 - <br /> <br />TOTAL SUSPENDED SOLIDS 322 mg/1 4/1/96 +/-.'g.6 <br />TOTAL DISSOLVED SOLIDS 2340 mg/1 4/1/96 +/-246 <br /> <br />TOTAL HARDNESS 557 mg/I 4/3/96 +/-SS,S <br /> <br />SODIUM ABSORPTION RATIO 9.9403 - <br />BICARBONATE (HCO.~) 279 mg/1 - <br />CALCIUM (Ca+2) 72 mg/1 4/2/96 +/- 3.2 <br /> <br />CARBONATE (C03) 0 mg/1 - <br />CHLORIDE (CI) 4 mg/I 4/2/96 +/- U.2 <br />MAGNESIUM (Mg) 92 mg/1 4/2/96 +/- 6 <br /> <br />POTASSIUM (k) 4.8 mg/1 4/1/96 +/- U.5 <br />SODIUM (Na+) 540 mg/1 4/1/96 +/- 27 <br />SULFATE (S04) 1590 mg/I 4/1/96 +/-71.6 <br /> <br />ALUMINUM (Al) O.OUS mg/1 4/1/96 +/-O.U002 <br />ARSENIC (As) 0.600 mg/1 4/3/96 DL=0.001 <br />BORON (H) 0.030 mg/I 4/4/96 +/-O.C>03 <br /> <br />CADMIUM (Cd) O.0006 mg/I 4/10/96 +/-O.OCnji,2 <br />COF'F'ER (Cu) O.OOC> mg/1 4/lU/96 DL=0.OU1 <br />IRON (Fe) 0.00 mq/I 4/4/96 DL=G.U1 <br /> <br />LEAD (F'b) 0.000 mg/1 4/2/96 DL=0.OU1 <br />MANGANESE(Mn) 0.012 mg/1 4/11/96 +/-O.OOU4 <br />MERCURY (Hg) U.000UU mg/1 4/5/96 DL=0.00005 <br /> <br />MOLYBDENUM (Ma) C~.Up8 mg/1 4/3/96 +/-0.001 <br />SELENIUM (Se) U.pU6 mg/1 4/9/96 DL=0.005 <br />DL = defection limit <br />