2014-12-29_REPORT - M1977215 ‎(2)‎

• Permit No: M1977215
• IBM Index Class Name: Report
• Doc Date: 12/29/2014
• Doc Name: Interim Wastev Rock Characterization Summary, 2.
• From: Rio Grande Silver, Inc.
• To: DRMS
• Email Name: RCO
• Media Type: D
• Archive: No

McClelland Laboratory-1310332 Amended
Spike Sample MS MSD Spike MS% MSD%
QCBatchlD QCType Parameter Method Sample Result Result Result Value Units Rec. Rec. RPD
QC13100938 MS 2 Total Kjeldahl Nitrogen EPA 3512 1310371-002 0.250 0.937 0.988 0.690 mg/L 100 107 5%
QC13100938 MS 3 Total Kjeldahl Nitrogen EPA 351.2 1310387-001 ND 0.786 0.794 0.690 mg/L 108 109 1%
QC13100938 MS 4 Total Kjeldahl Nitrogen EPA 351.2 1310100-001 ND 0.888 0.908 0.690 mg/L 100 103 2%
DF=Dilution Factor,RL=Reporting Limit,ND Not Detected or<RL Page 9 of 9
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EPA LAB ID:NV00925-ELAP No:2523 EPA LAB ID:NV00926 EPA LAB ID:NV00932