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Page 22 of 22 12/22/16 12:14 <br />CleanHarbors Environmental Services (West Sac) Project: Foothill Landfill <br />2550 Delmonte Street Project Number: [none] CLS Work Order #: CZL0702 <br />West Sacramento, CA 95691 Project Manager: Gilbert Carmona COC #: 175594 <br />Notes and Definitions <br />QS -4 The surrogate recovery for this sample is outside of established control limits due to a sample matrix effect. <br />QRL-5 The sample was diluted due to the presence of high levels of non -target analytes or matrix interference resulting in elevated <br />reporting limits. <br />QM -7 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable <br />LCS/LCSD recovery. <br />QM -5 The spike recovery was outside acceptance limits for the MS and/or MSD due to matrix interference. The LCS and/or LCSD were <br />within acceptance limits showing that the laboratory is in control and the data is acceptable. <br />QC -2H The recovery of one CCV was greater than the acceptance limit. However, all analytes in the associated samples were ND; <br />therefore a reanalysis was not performed. <br />A -COM The recovery of some CCV analytes were above upper control limit. However, all analytes detected in sample had acceptable CCV <br />values and re -analysis was not performed. <br />DET Analyte DETECTED <br />ND Analyte NOT DETECTED at or above the reporting limit (or method detection limit when specified) <br />NR Not Reported <br />dry Sample results reported on a dry weight basis <br />RPD Relative Percent Difference <br />CA DOHS ELAP Accreditation/Registration Number 1233 <br />3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510 <br />