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California Department of Toxic Substances Control <br />Environmental Chemiatry Laboratory <br />700 Heinz Avenue Suite 100, Berkeley, CA 04710 <br />Phone: (510) 540-3003 <br />Laboratory Quality Control Report <br />Matrix Spike and Matrix Spike Duplicate <br />Requester Address <br />9990 Cal Cerxer Drive <br />SauameMo. CA, 9 <br />Sampling Location: OAKLAND BAG <br />MAurara <br />Slacklon. CA <br />Analysis for. TPH.Dtesel and Mi Oil <br />Matrix Spike performed on: •none <br />For ECL No.s Auttz919 <br />to: AU02122 <br />Audl No. +oECA+52S <br />Page 2 <br />Of 3 <br />Date Collected: <br />2nali <br />Date Received by Lab: <br />znyzin1 <br />Date Extracted: <br />an9no11 <br />Date Analyzed: <br />4/4no+1 <br />Extraction Method: <br />EPA35NA <br />Analysis Method: <br />ECL e19 -M <br />Nae: <br />OL = OuanGatlon Lkn4 = Lowest calibnii Standard x dilution factor <br />NO = Not detected or delei but below half OL <br />D = Duetted but bei OL <br />NR = Not Rewvere l <br />J =Estimated wlue <br />MS = Matra Spike. USD - Maldx Spike Dupllrste <br />Co nitatlon in the unspikM sample (background) <br />'- MS correnlration or MSD a Snlni = spike - bwk9rwnd <br />MS or MSD Recovery - (MS or M50 mnuntraliony(spik s added) x 100% <br />RPO = Absduts value of (MS concenuadon - MSD wneimtrationyl(MS wnce+Wation ♦ MSD conrenhowy2l x 100% <br />OL= The precisko exceeds Ne upper RPD wntrol Lima <br />OL= Matra spike recovery is "side of the mean recovery wntrol limits <br />Analysed by: Jae Acedillo (D" ' <br />N <br />Reviewed by Card WerMam <br />S <br />0lure <br />Approved M: John Quinn <br />S't urs <br />