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Z& F3 <br />ACCUTECT <br />I A R n P A T n n I r c <br />CASE NARRATIVE / CONFORMANCE SUMMARY <br />Client: Colorado Division of Rec,Mining & Safety Job No D52017 <br />Site: Cresson Project Report Date 11/11/2013 1:36:11 PM <br />On 10/31/2013, 3 sample(s), 0 Trip Blank(s), and 0 Field 13"(s) were received at Accutest Mountain States (AMS) at a temperature <br />of 1.8 °C. The samples were intact and properly preserved, unless noted below. An AMS Job Number of D52017 was assigned to <br />the project. The lab sample ID, client sample ID, and date of sample collection are detailed in the report's Results Summary. <br />Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the analytical <br />results and QC summary pages. <br />Metals By Method EPA 200.7 <br />Matrix AQ Batch ID: MP11563 <br />■ All samples were digested and analyzed within the recommended method holding time. <br />■ All method blanks for this batch meet method specific criteria. <br />■ Sample(s) D52064 -2MS, D52064 -2MSD were used as the QC samples for the metals analysis. <br />Wet Chemistry By Method EPA 300.0/SW846 9056 <br />Matrix AQ Batch ID: GP11289 <br />■ All samples were prepared and analyzed within the recommended method holding time. <br />■ All method blanks for this batch meet method specific criteria. <br />■ Sample(s) D52017 -3MS, D52017 -3MSD were used as the QC samples for the Sulfate analysis. <br />Wet Chemistry By Method SM 450OCN I -2011 <br />Matrix AQ Batch ID: GP11304 <br />■ All samples were prepared and analyzed within the recommended method holding time. <br />■ All method blanks for this batch meet method specific criteria. <br />■ Sample(s) D52017 -2MS were used as the QC samples for the Weak Acid Dssociable Cn analysis. <br />AMS certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced <br />to specifications meeting AMS's Quality System precision, accuracy and completeness objectives except as noted. <br />Estimated non - standard method measurement uncertainty data is available on request, based on quality control bias and implicit for <br />standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria. <br />AMS is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its entirety. <br />This report is authorized by AMS indicated via signature on the report cover. <br />Monday, November 11, 2013 Page 1 of 1 <br />MN 4 of 28 <br />E ACCUTEST= <br />D52017 <br />