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E <br />eu rof ins <br />[or <br />EPA Method TO -15 <br />SCS Field Services <br />Workorder# 1301546 <br />Three I Liter Summa Canister samples were received on January 30, 2013. The laboratory performed <br />analysis via EPA Method TO- 15 using GUMS in the full scan mode. <br />This workorder was independently validated prior to submittal using USEPA National Functional <br />Guidelines' as generally applied to the analysis of volatile organic compounds in air. A rules -based, logic <br />driven, independent validation engine was employed to assess completeness, evaluate pass/fail of relevant <br />project quality control requirements and verification of aU quantified amounts. <br />Receiving Notes <br />There were no receiving discrepancies. <br />Analytical Notes <br />There were no analytical discrepancies. <br />Definition of Data Qualifying Fl <br />Eight qualifiers may have been used on the data analysis sheets and indicates as follows: <br />B - Compound present in laboratory blank greater than reporting limit (background subtraction not <br />performed). <br />J - Estimated value. <br />E - Exceeds instrument calibration range. <br />S - Saturated peak. <br />Q - Exceeds quality control limits. <br />U - Compound analyzed for but not detected above the reporting limit. <br />UJ- Non-detected compound associated with low bias in the CCV <br />N - The identification is based on presumptive evidence. <br />File extensions may have been used on the data analysis sheets and indicates <br />as follows: <br />a -File was requantified <br />b -File was quantified by a second column and detector <br />rl -File was requantified for the purpose of reissue <br />Page 3 of 18 <br />