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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> � <br /> f.a����ff i 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> - Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> ry ri 4� <br /> Blaine Tech Services, Inc Client Project IDr Chevron 9-2033, 950526-K2 x <br /> '985 Timothy Drive Matrix Liquid <br /> �t <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 95051<10-01-03 Reported Jun 12, 1995,, <br /> n� C}v r w + Y M1 ` + n Sr Y +i ry v + ♦ } v}. 4 r r .. v }+viAS <br /> S + �rrvrn+.+.n+ + v r vwr + ' ry r r + }+ v }+• + v v <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 1,1-Dichloro- Trichloro- Chloro- <br /> ethane ethene benzene <br /> QC Batch# G0060595801009A GCO60595801009A G0060595801009A <br /> Analy. Method' EPA8010 EPA 8010 EPA8010 <br /> Prep. Method. EPA 5030 EPA 5030 EPA 5030 <br /> Analyst- A.LI A. la A.L] <br /> MS/MSD #. 95OK1002 95OK1002 95OK1002 <br /> Sample Conc • N D N D N D <br /> Prepared Date 6/5/95 6/5/95 6/5/95 <br /> Analyzed Date. 6/5/95 6/5/95 6/5/95 <br /> Instrument I.D.#: GCHP9 GCHP9 GCHP9 <br /> Conc. Spiked 25ug/L 25pg/L 25pg/L <br /> Result: 23 23 20 <br /> • MS % Recovery. 92 92 80 <br /> Dup Result: 26 24 21 <br /> MSD %Recov : 104 96 84 <br /> RPD: 12 43 49 <br /> RPD Limit: 0-50 0-50 0-50 <br /> '�r♦ v + w + 4 Y+ } 4 r S v M1 r {r +v v r } .v♦ r v +w <br /> LCS #: BLK060595 BLK060595 BLK060595 <br /> Prepared Date: 6/5/95 6/5/95 6/5/95 <br /> Analyzed Date: 6/5/95 6/5/95 6/5/95 <br /> Instrument I D.#: GCHP9 GCHP9 GCHP9 <br /> Conc Spiked: 25Ng/L 25Ng/L 25pg/L <br /> LCS Result: 24 24 21 <br /> LCS % Recov : 96 96 84 <br /> LCS 28.167 35-146 38-150 <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 /> SEGO 1 LYTICAL 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 /> Pe y neer **MS=Matrix Spike,MSD=MS Duplicate, RPD Relative%Difference <br /> Project Manager 9505K10 SLA <4' <br />