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-.� LNTHA, LI'Y <br /> `■� � <br /> A N A L Y T I CA [ <br /> Case Narrative <br /> Costera Waste & Environmental Lab Job Number: 441316 <br /> 1517 North Point St. #527 Location: 103 - Gemco Ripon Truck Plaza <br /> San Francisco, CA 94123 Date Received: 02/23/21 <br /> Adam Burton <br /> This data package contains sample and QC results for eleven soil samples, requested for the above referenced project on <br /> 02/23/21. The samples were received cold and intact. <br /> TPH-Purgeables and/or BTXE by GC(EPA 8015B): <br /> No analytical problems were encountered. <br /> TPH-Extractables by GC(EPA 8015M): <br /> No analytical problems were encountered. <br /> Volatile Organics by GC/MS (EPA 826013): <br /> DISP-3 (lab#441316-003) and STOCKPILE-2 (lab#441316-011)were diluted due to high hydrocarbons. No other analytical <br /> problems were encountered. <br /> Metals(EPA 60106): <br /> Low recovery was observed for lead in the MSD for batch 262123; the parent sample was not a project sample, and the LCS <br /> was within limits. High recovery was also observed for lead in the MS for batch 262123;the LCS was within limits. High RPD <br /> was also observed for lead in the MS/MSD for batch 262123. No other analytical problems were encountered. <br /> 01 <br /> 3 of 48 <br />