REP12533

• Permit No: C1981008
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: NEW HORIZON MINE 2 GROUND WATER DATA
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

SEMI -ANNUAL TESTING
GROUND WATER QUALITY PARAMETERS
SITE: GW-N40
FORMATION: ALLUVIUM
DATE OF COLLECTION 25-Fe1r97 04-Aug-97
FIELD PARAMETERS
pH 7.2 6.8
Water Temperature (deg C) 4 17.4
Conductivity (umhos/cm) 1,750 1,300
LABORATORY PARAMETERS
Metals Analysis
Aluminum, dissolved (mg/L)
U
U
Calcium, dissolved (mg/L) 678.0 649.0
Iron, dissolved (mg/L) 0.17 0.04
Lead, dissolved (mg/L) U U
Magnesium, dissolved (mg/L) 106.0 105.0
Manganese, dissolved (mglL) 2.12 2.25
Molybdenum, dissolved (mg/L) U U
Potassium (mg/L) 3.5 3.7
Selenium, dissolved (mq/L) U U
• Wet Chemistry
Alkalinity as CaCC
Cation-Anion Balance
Cation-Anion Balance (%) 1.1 0.8
Sum of Anions (meo/L) 43.1 42.1
U
Conductivity ~ 25C (umhos/cm) 2,800 3 020
Hardness as CaCO3 (mg/L) 2,130 2 050
Nitrate as N (mq/L) U 0.04
as
Nitrite as N
U
Tolal Dissolved Solids. calculated (ma/L) 2.740 2.670
Sodium Absorption Ratio in Water 0.25 0.32
Sulfate, dissolved (mq/L) 1,700 1,640
1. Negative (-) =less than
2. U =not detected at MDL (Minimum Detection Level)