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{u + <br /> G)— <br /> Sequoia 680 Chesapeake Dnve Redwood City,CA 94069 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N W,get Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> WUAnalytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921-0100 <br /> r aSv 4 r' ir r Y s }. tr r+ry 4 1 '� w .vn 4 • r r+ n.n { n ` L , r v 4^vt lr N w v.t{.v�{4 M <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-2033, 950526-K2 i <br /> 985 Tlmothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9505K10-01 Reported Jun 12, 1995{ <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Beryllium Cadmium Chromium Nickel <br /> QC Batch#, ME0531955010MDB ME053195601OMDB ME0531956010MDB ME053195601OMDB <br /> Analy. Method. EPA 6010 EPA 5010 EPA 6010 EPA 6010 <br /> Prep. Method: EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst. C Medefesser C Medefesser C Medefesser C Medefesser <br /> MS/MSD#: 950515703 950515703 950515703 950515703 <br /> Sample Conc: N D N D N D N D <br /> Prepared Date, 5/31/95 5/31/95 5/31/95 5/31/95 <br /> Analyzed Date, 5/31/95 5/31/95 5/31/95 5/31/95 <br /> Instrument I.D.#. MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc. Spiked: 10 mg/L 1 0 mg/L 10 mg/L 10 mg/L <br /> Result. 098 099 097 099 <br /> MS%Recovery 98 99 97 99 <br /> Dup Result: 095 096 095 095 <br /> MSD % Recov : 95 96 95 95 <br /> RPD. 31 31 21 41 <br /> RPD Limit: 0-30 0-30 0-30 0-30 <br /> LCS#: BLK053195 BLK053195 BLK053195 BLK053195 <br /> Prepared Date 5/31/95 5/31/95 5/31/95 5/31/95 <br /> Analyzed Date. 5/31/95 5/31/95 5/31/95 5/31/95 <br /> Instrument I D #: MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc. Spiked: 10 mg/L 1 0 mg/L 10 mg/L 10 mg/L <br /> LCS Result- 10 10 10 10 <br /> LCS %Recov. 100 100 100 100 <br /> LCS 75.125 75.125 75.125 75-125 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> S IA NALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> 9Y Penner <br /> roject Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9505K10 BLA a2> <br />