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<br />CALIFORNIA LABORATORY SERVICES <br /> <br />Page 8 of 8 <br />Committed. Responsive. Flexible. <br /> <br />03/15/22 13:13 <br />RAH Environmental, Inc. - Sacramento Project: Acampo/Woodbridge Road Excavation <br />4645 Raley Boulevard Project Number: [none] CLS Work Order #: 22C0482 <br />Sacramento, CA 95838 <br /> <br />Project Manager: Raymond A. Henry Jr. COC #: 218707 <br />Notes and Definitions <br />TPH-X Although the sample contains compounds in the retention time range of target parameter, the chromatogram was not consistent <br />with the expected chromatographic pattern or "fingerprint". However, the reported concentration is based on the target parameter. <br />QM-1 The spike recovery was outside acceptance limits for the LCS or LCSD. The batch was accepted based on acceptable MS/MSD <br />recoveries & RPD's. <br />A-COM RPD exceeds acceptable limit since the %Recovery was too high in the LCS. QC acceptable based on MS/MSD recoveries <br />DET Analyse 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 />3249 Fitzgerald Road, Rancho Cordova, CA 95742 I 800.638.7301 I Tel: 916.638.7301 x102 I Fax: 916.638.4510 I www.californialab.com <br />Small Business #2916 I ELAP #1233 I NA1CS #541380 I CA SWRCB ELAP Accreditation/Registration Number 1233