HYDRO22714

• Permit No: C1980004
• IBM Index Class Name: Hydrology
• Doc Date: 3/29/1995
• Doc Name: WATER SAMPLING REPORT
• Permit Index Doc Type: OTHER SURFACE WATER
• Media Type: D
• Archive: No

GRAND VALLEY COAL -- WATER SAMPLE ANALYSIS
LONG FORM - FOR ACTIVE MINING
SAMPLE SITE SW-1 DATE 3/29/95 TIME 1:40 PM
SAMPLED BY WALTERS
FIELD PARAMETERS
UNITS
PH 8.74 SU
TEMPERATURE 6.5 ~C
SPECIFIC CONDUCTANCE 1.800 umhos/cm
OIL AND GREASE NONE
LAB ANALYSIS
DATE REPORTED 5/03/95
ANALYZED BY: GRAND JUNCTION LABS DATE RECEIVED 3/29/95
LAB SAMPLE N0. 3082
UNITS
PH 8.35 SU
TEMPERATURE 25
SPECIFIC CONDUCTANCE 2040 umhos/cm
TOTAL SUSPENDED SOLIDS 217 mg/1
TOTAL DISSOLVED SOLIDS 1420 mg/1
TOTAL COMBUSTIBLE SOLIDS 1330 mg/1
TOTAL HARDNESS 823 mg/1
SODIUM ABSORPTION RATIO 1.6666
BICARBONATE (HCO3) 349 mg/1
CALCIUM (Ca+2) 76 mg/1
CARBONATE (CO3) 23.6 mg/1
CHLORIDE (C1) 8 mg/1
MAGNESIUM (Mg) 154 mg/1
POTASSIUM (K) 4.2 mg/1
SODIUM (Na+) 110 mg/1
SULFATE (SO4) 725 mg/1
ALUMINUM (A1) 0.010 mg/1
ARSENIC (As) 0.000 mg/1
BORON (B) 0.067 mg/1
CADMIUM (Cd) 0.0000 mg/1
COPPER (Cu) 0.018 mg/1
IRON (Fe) 4.23 mg/1
LEAD (Pb) 0.003 mg/1
MANGANESE(Mn) 0.213 mg/1
MERCURY (Hg) 0.00015 mg/1
MOLYBDENUM (Mo) 0.005 mg/1
SELENIUM (Se) 0.000 mg/1
ZINC (Zn) 0.035 mg/1
DL - detection limit
DATE TESTED
3/29/95
3/29/95
3/29/95
3/29/95
3/29/95
3/29/95
4/5/95
ACCURACY
+/-26
+/-149
+/- 86
4/3/95 +/- 3.4
4/3/95 +/- 0.4
4/3/95 +/- 10
4/5/95 +/- 0.5
4/5/95 +/- 5.5
4/3/95 +/-32.6
3/31/95 +/-0.0004
4/6/95 DL=0.001
3/31/95 +/-0.007
4/28/95 DL=0.0002
4/11/95 +/-0.001
3/31/95 +/-0.15
4/4/95
4/24/95
3/4/95
+/- 0.0002
+/- 0.007
+/-0.00001
4/4/95
4/25/95
4/6/95
+/-0.0007
DL=0.005
+/-0.002