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680 Chesapeake Drive Kegwooaa `'""""� . <br /> Sequoia 404 N.Wiget Lane <br /> /—' walnut Creek.CA 94598 (925)988-%00 FAX(925)988-9673 <br /> 916 921-9600 FAX 916 9.21-0100„ <br /> 819 Striker Avenue.Suite 8 Sacramento,CA 95834 ( ) ( ) <br /> Analytical 707 792-1865 FAX 707 792-0342 <br /> 1455 McDowell Blvd.North,Ste.D Petaluma.CA 94954 ( ) ( ) <br /> Blaine tech Services, Inc. Client Project ID: Shell 3725 Tracy Blvd. <br /> 1680 Rogers Ave. Matrix: Liquid <br /> €San Jose, CA 95112 <br /> Attention: Fran Thie Work Order#: 9808908 -02-05 Reported: Sep 2, 1998`;::: <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch#: GC0827988TEX02A GCO82798BTEX02A GCO82798BTEX02A GCO827986TEX02A GCO82798BTEX02A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: D.Newcomb D.Newcomb D.Newcomb D.Newcomb D.Newcomb <br /> MS/MSD#: 8081340 8081340 8081340 8081340 8081340 <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> Prepared Date: 8/27/98 8/27/98 8/27/98 8/27/98 8/27/98 <br /> Analyzed Date: 8/27/98 8/27/98 8/27/98 8/27/98 8/27/98 <br /> Instrument I.D.#: GCHP2 GCHP2 GCHP2 GCHP2 GCHP2 <br /> Conc. Spiked: 20,ug/L 20ug/L 20pg/L 60pg/L 330ftg/L <br /> Result: 21 21 21 64 340 <br /> MS %Recovery: 105 105 105 107 103 <br /> Dup. Result: 21 21 21 63 330 <br /> MSD % Recov.: 105 105 105 105 100 <br /> RPD: 0.0 0.0 0.0 1.6 3.0 <br /> RPD Limit: 0-25 0-25 0-25 0-25 0-25 <br /> LCS#: BLK082798 BLK082798 BLK082798 BLK082798 BLK082798 <br /> Prepared Date: 8/27/98 8/27/98 8/27/98 8/27/98 8/27/98 <br /> Analyzed Date: 8/27/98 8/27/98 8/27/98 8/27/98 8/27/98 <br /> Instrument I.D.#: GCHP2 GCHP2 GCHP2 GCHP2 GCHP2 <br /> Conc. Spiked: 20 Ng/L 20 Ng/L 20 ug/L 60 ug/L 330 erg/L <br /> LCS Result: 21 20 21 63 330 <br /> LCS %Recov.: 105 100 105 105 100 <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 same reagents, <br /> SEQ IA N LYTICAL, #1271 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 /> e recovery of analytes from the matrix spike does not fail within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch. _ <br /> Pe y Pe ner <br /> Proj anager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9808908.BLA <1> <br />