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GOLDEN STATE / CAS LABORATORIES, INC. <br /> OA/QC Report <br /> Client: EMCON Associates Date Extracted: 11/03/93 <br /> Project- ARCO Products Company/#2076 Date Analyzed 11/03/93 <br /> LCS Matrix: Water Service Request No - LAS33165 <br /> Laboratory Control Sample Summary <br /> Total Lead <br /> EPA Method 7421 <br /> m9/L (ppm) <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analyte Value Result Recovery Criteria <br /> Lead 00400 00394 98 75-125 <br /> i <br /> i <br /> I <br /> Approved by ,l IDate lr� _a 3 <br /> 00003 <br /> 6925 CANOGA AVENUE ■ CANOGA PARK, CA 91 303 ! 818 587-5550 ! FAX 818 587-5555 <br />