2016-04-29_HYDROLOGY - M1977342

• Permit No: M1977342
• IBM Index Class Name: Hydrology
• Doc Date: 4/29/2016
• Doc Name: Mine Groundwater NPL Exceedance Notification
• From: Climax Molybdenum
• To: DRMD
• Email Name: PSH
• Media Type: D
• Archive: No

Water Systems Engineering, Inc. 785.242.6166 http://www.h2osystems.com
Client: Aquionix Inc.
Date: May 15, 2015
Lab Report No. 20175
Re: ACR, MLGW-ACR, Samples dated: 4/28/15
Complete Profile; P.O. Henderson SP
ND - Not Detected MLGW-ACR Detection
NA-Not Applicable 1215 Limits
* as CaCO3 mg/I
pH Value 6.83 NA
Phenolphthalein Alkalinity * ND 4 mg/I
Total Alkalinity * 104 4 mg/I
Hydroxide Alkalinity ND 4 mg/1
Carbonate Alkalinity ND 4 mg/1
Bicarbonate Alkalinity 104 4 mg/1
Total Dissolved Solids 235 1.0 mg/1
Conductivity (pm or pS/cm) 327 NA
ORP (mV) 427.2 NA
Langelier Saturation Index - 1.35 NA
Total Hardness * 140 4 mg/I
Carbonate Hardness 104 4 mg/I
Non Carbonate Hardness 36 4 mg/I
Calcium * 92 4 mg/1
Magnesium * 48 4 mg/I
Sodium (as Na) 10.60 0.02 mg/I
Potassium (as K) 1.90 0.1 mg/1
Phosphate (as PO4) 0.38 0.06 mg/I
Chlorides (as CI) 24.8 2 mg/1
Nitrate (Nitrogen) ND 0.3 mg/1
Chlorine (as CI) ND 0.02 mg/1
Dissolved Iron (as Fee+) ND 0.02 mg/1
Suspended Iron (as Fe +) 0.31 0.02 mg/1
Iron Total (as Fe) 0.31 0.02 mg/1
Iron (resuspended) 20.85 0.02 mg/I
Copper (as Cu) ND 0.04 mg/I
Manganese (as Mn) ND 0.1 mg/I
Sulfate (as SO4) 58 2 mg/1
Silica (as Si02) 10.4 1.0 mg/1
Tannin/Lignin 0.2 0.1 mg/1
Total Organic Carbon (C) 0.6 0.0 mg/1
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