HYDRO23211

• Permit No: C1980004
• IBM Index Class Name: Hydrology
• Doc Date: 3/30/1996
• Doc Name: WATER SAMPLING REPORT
• Permit Index Doc Type: OTHER SURFACE WATER
• Media Type: D
• Archive: No

GRAND VALLEY COAL -- WATEF: SAMPLE ANALYSIS
LONG FORM - FOR ACTIVE MINING
SAMPLE SITE SW-8 DATE =/3i~/96 TIME 10:07 AM
SAMPLED BY WALTERS _
FIELD PARAMETERS
UNITS
F'H 8.78 SU
TEMPERATURE 4.5 °C
SPECIFIC CONDUCTANCE 2,800 umhos/cm
OIL AND GREASE NONE
LAb ANALYSIS
DATE REF'OF(TED 4/15/96
ANALYZED bY: GRAND JUNCTION LAPS DATE RECEIVED 4/1/96
LAB SAMPLE N0. 1182

UNITS DATE TESTED ACCURACY
pH 8.^5 5U 4/1/96 -
TEMPERATURE 25 _° 4/1/96 -
SF'ECIFIC CONDUCTANCE 29(10 umhos/ cm 4/1/96 -
TOTAL SUSPENDED SOLIDS 319 mg/1 4/1/96 +/-38.3
TOTAL DISSOLVED SOLIDS 25:0 mg/1 4/1/96 +/-266
TOTAL HARDNESS 684 mg/1 4/3/96 +/-71.8
SODIUM AbSORF'TION RATIO 7.9773 -
bICARPOhJATE (HC03) 780 mg/1 -
CALCIUM (Ca+2) 85 mg/1 4/2/96 +/- 3.8
CARBONATE (C03) O mg/1 -
CHLORIDE (Cl) 12 mg/1 4/2/96 +/- U.5
MAGNESIUM (Mg) 115 mg/1 4/2/96 +/- 7.5
POTASSIUM (N:) 6.4 mg/1 4/1/96 +/- 0.9
SODIUM (Na+) 480 mg/1 4/1/96 +/- 24
SULFATE (S04) 1130 mg/1 4/1/96 +/-S~i.9

ALUMINUM (A1) 0.0°,5 mg/1 4/1/96 +/-O.OC~13
ARSENIC (As) 0.000 mg/1 4/3/96 DL=U.pu1
BORON (B) O.r.~17 mg/1 4/4/96 +/-0.002
CADMIUM (Cd) O,OOC~O mg/1 4/10/96 DL=0.0002
COF'F'ER (Cu) 4.007 mg/1 4/10/96 +/-0.0003
IRON (Fe> C?. 22 mg/1 4/4/96 +/-U,008
LEAD (Pb) 4.oc]0 mg/1 4/2/96 DL=4.001
MANGANESE(Mn) 0.004 mg/1 4/11/96 +/-O.U001
MERCURY (Hg) 0.04040 mg/1 4/5/96 DL=U.004i)5

MOLYBDENUM (Mo) O.ClOS mg/1 4/3196 +/-0.001
SELENIUM (Se> o.U40 mg/1 4/9/96 DL=0.005
DL = detection limit