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ACZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493 <br />The Mining Company <br />Project ID: <br />ACZ Project ID: L95680 <br />Gas <br />Narrative <br />August 16, 2012 <br />Sampt <br />P' <br />ACZ Laboratories, Inc. (ACZ) received 2 miscellaneous samples from The Mining Company on July 17, 2012. The samples <br />were received in good condition. Upon receipt, the sample custodian removed the samples from the cooler, inspected the <br />contents, and logged the samples into ACZ's computerized Laboratory Information Management System (LIMS). The <br />samples were assigned ACZ LIMS project number L95680. The custodian verified the sample information entered into the <br />computer against the chain of custody (COC) forms and sample bottle labels. <br />fielding Time <br />All analyses except those qualified with an ACZ 'H' flag were performed within EPA recommended holding times. <br />p Ariatya <br />These samples were analyzed for inorganic, organic and radio chemistry parameters. The individual methods are <br />referenced on both the ACZ invoice and the analytical reports. The extended qualifier reports may contain footnotes <br />qualifying specific elements due to QC failures. In addition the following has been noted with this specific project: <br />1. The PCB analyses were subcontracted to ALS Paragon Analytical Labs in Ft. Collins, Colorado. <br />2. The Radium 226 analysis (sample -02) was qualified with the ACZ 'N1' flag as a duplicate was not run due to insufficient <br />sample volume. However, a laboratory control sample duplicate was run to demonstrate precision. <br />3. Total versus dissolved disparity involving Lead (sample -01) was reanalyzed for confirmation. <br />4. The Potentially Dissolved Lead analysis (sample -01) was qualified with the ACZ 'N1' flag. Current result is much lower <br />than previous filtration /analysis. A 'sample swap' at the bench or dilution error is suspected. The difference may also be due <br />to the time from acidification to filtration and /or matrix interferences. The fact remains, however, that the Potentially <br />Dissolved concentration is > the Total Recoverable concentration. <br />REPAD.03.06.05.01 <br />Page 2 of 54 <br />