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h ) FAX(415 364 9233 <br /> Sequoia 680 Chesapeake Drive Redwood Ci CA 94063 (415 364 9600 ) <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> vFv twnv d{w:R'uv'�C..rxrryn rm Fvry u�rw h?''}Jvcw rin ..Thr }ry tinM1y}. �u r v}r vrrM1v'.r��~}rti}�rgrrtir�'S { ':vr twit r'3\} ry r ~ r `}rr ' rr r S t tib~{ rrvnr++-wr} <br /> '-Blaine Tech�Services, Inc Client Project IDr Chevron 9-4183/960731-D2 v' <br /> x,985 Timothy Drive Matrix Liquid <br /> "San Jose, CA 95133 <br /> Attention Jim Keller Work Order# F9608096-01-04 ry w Reported Aug 13, A19961 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#. GC080896BTEX2IA GC0808968TMlA GC080896BTEX2IA GC080896BTEX2IA <br /> Analy. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst D Jirsa ❑ Jima D Jirsa D Jirsa <br /> MS/MSD#: 96WHWN 9608HO804 960SH0804 9608HO804 <br /> Sample Conc : N D NO ND N <br /> Prepared Date 8/8/96 8/8/96 8/8/96 8/8/96 <br /> Analyzed Date: 8/8/96 8/8/96 8/8/96 8/8/96 <br /> Instrument 1.13 #: GCHP21 GCHP21 GCHP21 GCHP21 <br /> Conc. Spiked 10pg/L 10pg/L 10pg/L 30pg/L <br /> Result. 97 96 97 29 <br /> MS %Recovery: 97 96 97 97 <br /> Dup Result. 94 93 92 28 <br /> MSD % Recov : 94 93 92 93 <br /> RPD 31 32 53 35 <br /> RPD Limit: 0.25 0-25 0.25 025 <br /> LCS #' BLK080896 BLKOWS96 BLK080896 BLK080896 <br /> Prepared Date: 8/8/96 8/8/96 8/8/96 8/8/96 <br /> Analyzed Date 8/8/96 8/8/96 6/8/96 8/8/96 <br /> Instrument I D #: GCHP21 GCHP21 GCHP21 GCHP21 <br /> Conc. Spiked: 10pg/L 10pg/L 10pg/L 30pg/L <br /> LCS Result. 10 99 10 31 <br /> LCS % Recov.: 100 99 100 103 <br /> 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70.130 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent4ree matrix that is analyzed using the same reagents, <br /> SEQUOIA A L 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 /> eggy Penner <br /> Project Manage **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9608096 BLA a3> <br />