2017-02-28_REPORT - C1981028 (29)

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Definitions/Glossary Client: Coors Energy Company TestAmerica Job ID: 280-82370-1 Project/Site: Coors - Keenesburg Mine, CO Quarterly Qualifiers Metals Qualifier Qualifier Description F1 MS and/or MSD Recovery is outside acceptance limits. A ICV,CCV,ICB,CCB, ISA, ISB, CRI, CRA, DLCK or MRL standard: Instrument related QC is outside acceptance limits. 4 MS, MSD: The analyte present in the original sample is greater than 4 times the matrix spike concentration; therefore, control limits are not applicable. General Chemistry Qualifier Qualifier Description F3 Duplicate RPD exceeds the control limit 4 MS, MSD: The analyte present in the original sample is greater than 4 times the matrix spike concentration; therefore, control limits are not applicable. HF Field parameter with a holding time of 15 minutes. Test performed by laboratory at client's request. Glossary Abbreviation These commonly used abbreviations may or may not be present in this report. o Listed under the "D" column to designate that the result is reported on a dry weight basis %R Percent Recovery CFL Contains Free Liquid CNF Contains no Free Liquid DER Duplicate error ratio (normalized absolute difference) Dil Fac Dilution Factor DL, RA, RE, IN Indicates a Dilution, Re -analysis, Re -extraction, or additional Initial metals/anion analysis of the sample DLC Decision level concentration MDA Minimum detectable activity EDL Estimated Detection Limit MDC Minimum detectable concentration MDL Method Detection Limit ML Minimum Level (Dioxin) NC Not Calculated ND Not detected at the reporting limit (or MDL or EDL if shown) PQL Practical Quantitation Limit QC Quality Control RER Relative error ratio RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) TestAmerica Denver Page 3 of 32 5/12/2016