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1 <br /> GOLDEN STATE 1 CAS LABORATORIES, INC. <br /> OA/QC Report <br /> Client: EMCON Associates Date Extracted 08/23/93 <br /> Project. ARCO Products Company/#OG71-050 01 Date Analyzed 08/24/93 <br /> LCS Matrix: Water Service Request No - LA932617 <br /> 1 <br /> 1 Laboratory Control Sample Summary <br /> Total Lead <br /> EPA Method 7421 <br /> mg/L (ppm) <br /> 1 <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analyte Value Result Recovery Criteria <br /> Total Lead 00400 00383 96 75-125 <br /> N <br /> r <br /> r <br /> Approved by �/1 Date <br /> 6925 CANOGA AVENUE IN CANOGA PARK, CA 91303 ■ 818 587-5550 0 FAX 818 587-5555 <br />