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Sequoia 680 Chesapeake Dnve Redwood Cary,CA 94063 (650) 364 9600 ,^ FAX(650)364 9233 <br /> 404 N Wiget lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Stnker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 -FAX (916)921 0100 <br /> ♦ v i { i n r r ti n rr v � e r r r. r, • n r <br /> Blaine Tecii Services, Inc' 0lient Prolect-ID vu he Stockton/971009-62 <br /> 1680 Rogers Ave Matrix Liquid <br /> MSan Jose, CA 95112 <br /> ,Attention Fran Thie Work Order# 9710596-05, 07, 09 Reported Oct 17, 1997 v <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. BenzeneToluene T--�—Ethyl �— —� —Xytenes —__ — —Gas <br /> Benzene <br /> CC Batch#: GC101497BTEX17A G0101497BTEX17A GC101497BTEX17A GC101497BTEX17A GC101497BTEX17A <br /> Analy Method EPA 8020 EPA 8020 EPA 6020 EPA 8020 _ EPA 8015M <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst, A Miraftab A Miraftab A Miraftab A Miraftab A.Miraftab <br /> MS/MSD #: 971069204 971069204 971069204 971059204 ` 971069204 <br /> Sample Conc : N D N D N D N D N D <br /> Prepared Date: 10/14/97 10/14/97 10/14/97 10/14/97 10/14/97 <br /> Analyzed Date: 10/14/97 10/14/97 10/14/97 10/14/97 10/14/97 <br /> s Instrument I D.#: GCHP17 GCHP17 GCHP17 GCHP17 _ GCHP17 <br /> Conc. Spiked: 10pg/L long/L 10ug/L 30ug/L 60ug/L <br /> Result 92 93 91 - 27 61 <br /> MS % Recovery: 92 93 91 90 102 <br /> Dup Result. 9 5 93 93 28 62 <br /> MSD % Recov. 95 93 93 93 103 <br /> RPD: 32 00 22 36 16 <br /> RPD Limit: 0-25 0-25 0-25 0-25 - 0-25 <br /> LCS #- BLK101497 BLK101497 BLK101497 BLK101497 BLK101497 <br /> Prepared Date. 10/14/97 10/14/97 10/14/97 `10/14/97 = 10/14/97 <br /> Analyzed Date: 10/14/97 10/14/97 10/14/97 10/14/97 10/14/97 <br /> Instrument LD #: GCHP17 GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc. Spiked 10ug/L 10ug/L 10ug/L 30ug/L 60pg/L <br /> LCS Result 495 93 T 9'3 27 61 <br /> LCS % Recov : 95 93 93 Y 90 102 <br /> 60-140 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the samereagen <br /> SE I NALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an ah4ot of sampie <br /> fortified with known quantities of specific compounds and subjected to tate entire analytical procedure If <br /> 11ho rarrn..an,of Analtrta4 from the matrix spike does not fall within soeciflod control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch "- <br /> ggy ginner <br /> P t Manager **MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 9710596 BLA <4> <br />