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Sequoia 680 Chesapeake Drive itcdWood City,CA 94o63 (413) 364 9600 FAX(41S)364 9233 <br /> 404N Wilet Lane Walnut Creek,CA 94399 (310) 9219600 FAX(S 10)4819672 <br /> TAW Analytical d19 Striker Avenue,Suite 8 Saeramcnto CA 95834 (916) 931 96W FAX(916)971 oloo <br /> 1111 FN� § <br /> Blaine Tech Services, Inc Ghent Project ID- Chevron 9.4183/960731-D2 <br /> 985 Timothy Drive Matrix Llquld <br /> San Jose, CA 95133 <br /> Attention, Jim Keller Work Order W 9808098-01-04 Reported Au 13, 1998, <br /> OUALITY CONTROL DATA REPORT <br /> Alla yte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> CC BBtCh#: 000808988TEX21A GM808WBTS 21A GCOSOMSTEX21A GCWDM9TEX21A <br /> Anally. Method: EPA 8020 EPA 8850 EPA 8= EPA 8020 <br /> Prop. Method: EPA 6030 EPA 8030 EPA 5030 EPA 5030 <br /> Analyst: D Arsa D Jfrae 0 Jiraa 0 Jima <br /> MS/MSD#: NWH0004 980811D804 OUGH011104 O808H0804 <br /> Sample Cone.: N 0 N D N D N D <br /> Prepared Date: a/a/ee 8/e1" e/a/ae a/s/as <br /> Analyzed Date• 8/8/96 8/a/H a/$IN 0/13/98 <br /> Instrument I.D.#: GCHP21 OCHP21 GCHP21 GCHP21 <br /> Cone.Spiked: loya/L 10PQ/L 10yp/L 30pg/L <br />• Result: 97 98 9,7 29 <br /> MS%Roeovery: 07 Be 67 97 <br /> Dup.Result: 94 93 0,2 28 <br /> MSD%Recov,: 84 03 92 sa <br /> RPD: 31 32 52 35 <br /> RPD Limit: 0.25 0.25 0.23 0.28 <br /> LC3#: 131KO80898 13LK080M BLUSO896 OL)(DB08SB <br /> Prepared Data: 8/8/08 8/8/96 8/8/98 8/8196 <br /> Analyzed Date: 8/8/88 8/8/98 8/8/98 11/a/ge <br /> Instrument I.D.#: OCHP21 OCHP21 OCHP21 OCHF21 <br /> Cone.Spiced: 10►g/L 10pg/L 10pa/L 30pg/L <br /> LCS Result: 10 90 10 31 <br /> LCS%Reeov.: 100 00 100 103 <br /> 60.140 40.140 80.140 aD-140 <br /> LCS 70-130 70.130 70.130 70-130 <br /> Control Limits <br /> sap Note <br /> The LOS to a txantrol sample of known,Interferent-fres matrix that(e analyzed Usha the same magenta, <br /> SEQUOIA A L prsparatlon,and analytical Methods employed for the sarnpies. The matrix aplka Is an aliquot of sample <br /> WOW with known quantlen of apec(fio oonlpounds and eubjeatsd to the entire analylloal prooedur■ tt <br /> the mWvsry of analytes from the Matrix apiks does not fall within spedfled Control Itrnhe due to matrix <br /> Inlerferena,the LCB recova is to be used to vagdats the baton, <br /> 81�Dy Penner <br /> Project Manage "MS-Matdx 61013(a,MSD-MS Duplicats,RPD-Ralat3va%Difference - gB08 8LA c3> <br /> a <br /> L1/91 34Vd ELLS e6Z 90b S30IAH33 H031 3XIV'IH 00 L( (C36&) 96 t *3fly <br />