2009-09-08_INSPECTION - M1994117

• Permit No: M1994117
• IBM Index Class Name: INSPECTION
• Doc Date: 9/8/2009
• Doc Name: Tailing Samples Analytical Results
• From: EPA
• To: DRMS
• Inspection Date: 6/12/2009
• Email Name: ACS
• Media Type: D
• Archive: No

Project: Gold Hill Mill LSR No: R8090117
SPLP Metals - Quality Control
Certificate of Analysis
Reporting Spike Source %REC RPD
Analyte Result Limit Units Level Result %REC Limits RPD Limit
Batch 0900367 - Default Prep Metals

Matrix Spike (0900367-MS1) Source: 8907007-01 Prepared: 08/27/09 Analyzed: 08/28/09
Mercury 1.03 0.100 ug/L, 1.00 < 0.100 103 75-125
Matrix Spike Dup (0900367-MSD1) Source: 8907007-01 Prepared: 08/27/09 Analyzed: 08/28/09
Mercury 1.04 0.100 ug/L, 1.00 < 0.100 104 75-125 1.74 20
Reference (0900367-SRMl) Prepared: 08/27/09 Analyzed: 08/28/09
Mercury 4.75 0.100 ug/L 5.00 94.9 90-110
Batch 9H14002 - 0900324
Serial Dilution (9H14002-SRDI) Source: 8907007-01 Prepared: 08/04/09 Analyzed: 08/12/09
Barium 0.281 0.0200 mg/L 0.279 0.800 10
Beryllium < 0.0050 0.0050 < 0.0050 10
Boron 0.136 0.500 0.124 9.36 10
Chromium < 0.0100 0.0100 0.0011 10
Copper < 0.0500 0.0500 "
< 0.0500
10
Iron 0.239 0.500 0.236 1.32 10
Manganese 0.0285 0.0100 0.0279 1.97 10
Molybdenum 0.0144 0.0200 0.0136 5.85 10
Nickel < 0.0100 0.0100 0.0037 10
Silver < 0.0400 0.0400 < 0.0400 10
Strontium < 10.0 10.0 0.112 10
Zinc < 0.200 0.200 0.0577 10
Batch 9H25003 - 0900355
Serial Dilution (9H25003-SRDI) Source: 8907007-01 Prepared: 08/16/09 Analyzed: 08/17/09
Antimony 7.68 5.0 ug/L 7.74 0.705 10
Arsenic < 20.0 20.0 1.21 10
Cadmium < 1.0 1.0 0.09 10
Lead 23.2 5.0 23.1 0.693 10
Selenium < 5.0 5.0 0.25 10
Thallium 0.61 1.5 0.66 7.22 10
8907007 FINAL 09 04 09 1617 Page 12 of 1 6 Print Date : 04-Sep-2009