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'� sr <br /> r <br /> 404 N Wiget Lane <br /> Sequoia Walnut Creek9 )9 9459$ <br /> FAX(925)988-9673 <br /> Analytical _ www sequoialabs cotta <br /> 4PO <br /> Gettler Ryan,Inc -Dublin Project Chevron <br /> 6747 Sierra Court Suite J Project Number Chevron#9-2033 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 15-Jun-0l 10 47 <br /> Notes and Definitions <br /> A-01 Multiple spike and surrogate compounds did not meet acceptance criteria Blank Spike Duplicate and individual sample surrogate <br /> recoveries were used to measure Quality Control <br /> A-0l a Relative Percent Difference did not meet acceptance criteria for multiple compounds Additional samples were not available for <br /> re-extraction and precision cannot be usefully assessed within this Quality Control Batch <br /> CC-3 Continuing Calibration indicates that the quantitative result for this analyte includes a greater than 15%degree of uncertainty The <br /> value as reported is within method acceptance <br /> D-12 Chromatogram Pattern Unidentified Hydrocarbons>C16 <br /> P-01 Chromatogram Pattern Grasohne C6-C12 <br /> Q-01 The spike recovery for this QC sample is outside of established control limits Review of associated batch QC indicates the <br /> recovery for this analyte does not represent an out-of-control condition for the batch <br /> DET Analyte DETECTED <br /> ND Analyte NOT DETECTED at or above the reporting limit <br /> NR Not Reported <br /> Sample results reported on a dry weight basis <br /> IWD Relative Percent Difference <br /> uoia Analytical -Walnut Creek The results in this report apply io the samples anabaed in accordance with the churn of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 24 of 24 <br />