2014-10-23_HYDROLOGY - M1977300 ‎(2)‎

• Permit No: M1977300
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/2014
• Doc Name: Water Quality Data and Mine Level Measurements for July 2014- Part 2
• From: Cotter
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: TAK
• Media Type: D
• Archive: No

• EM - www.ersergylab.com Helena,MT 677-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515
"m,,Since Tlst Gillette,WY 866-686-7175•Rapid City,SG 886-672-1225•College Station,TX 888-690-2218
QA/QC Summary Report
Prepared by Casper, WY Branch
Client: Cotter Corporation Report Date: 07/30/14
Project: Schwartz -GW 07/10/14 S27633 and S27634 Work Order: C14070445
Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual
Method: E200.7 Batch:41945
Lab ID: MB-41945 5 Method Blank Run: ICP4-C 140716A 07/16/14 21:47
Lab ID: LCS3-41945 5 Laboratory Control Sample Run: ICP4-C_140716A 07/16/14 21:50
Aluminum 2.52 mg/L 0.030 101 85 115
Copper 0.491 mg/L 0.0050 98 85 115
Iron 2.55 mg/L 0.030 102 85 115
Manganese 2.40 mg/L 0.0012 96 85 115
Zinc 0.480 mg/L 0.010 96 85 115
Lab ID: C14070457-008AMS3 5 Sample Matrix Spike Run: ICP4-C_140716A 07/16/14 22:05
Aluminum 58.5 mg/L 0.15 70 130 A
Copper 0.522 mg/L 0.044 104 70 130
Iron 40.7 mg/L 0.049 70 130 A
Manganese 3.00 mg/L 0.012 98 70 130
Zinc 1.05 mg/L 0.055 95 70 130
Lab ID: C14070457-008AMSD 5 Sample Matrix Spike Duplicate Run: ICP4-C_140716A 07/16/14 22:09
Aluminum 58.1 mg/L 0.15 70 130 0.7 20 A
Copper 0.521 mg/L 0.044 104 70 130 0.1 20
Iron 40.7 mg/L 0.049 70 130 0.2 20 A
Manganese 2.98 mg/L 0.012 97 70 130 0.6 20
Zinc 1.05 mg/L 0.055 96 70 130 0.6 20
Method: E200.7 Batch:R188712
Lab ID: MB-140716A 10 Method Blank Run: ICP4-C 140716A 07/16/14 14:21
Aluminum ND mg/L 0.01
Calcium ND mg/L 0.01
Iron ND mg/L 0.005
Magnesium ND mg/L 0.01
Manganese ND mg/L 0.002
Molybdenum ND mg/L 0.007
Potassium ND mg/L 0.06
Sodium ND mg/L 0.01
Uranium ND mg/L 0.09
Zinc ND mg/L 0.003
Lab ID: LFB-140716A 10 Laboratory Fortified Blank Run: ICP4-C_140716A 07/16/14 14:25
Aluminum 0.995 mg/L 0.10 100 85 115
Calcium 48.4 mg/L 0.50 97 85 115
Iron 0.968 mg/L 0.030 97 85 115
Magnesium 48.1 mg/L 0.50 96 85 115
Manganese 0.936 mg/L 0.010 94 85 115
Molybdenum 0.938 mg/L 0.10 94 85 115
Potassium 52.9 mg/L 0.50 106 85 115
Sodium 50.3 mg/L 0.50 101 85 115
Uranium 4.82 mg/L 1.0 96 85 115
Zinc 0.912 mg/L 0.010 91 85 115
Qualifiers:
RL-Analyte reporting limit. A-The analyte level was greater than four times the spike level. In
accordance with the method%recovery is not calculated.
ND-Not detected at the reporting limit. MDC-Minimum detectable concentration
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