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680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> Sequoia 404 11,Wi91t Lane Walnut Creek,CA 94598 (510) 998-9600 FAX(510)988-9673 <br /> 1 8 19 Striker Avenue,Suite 8 Sacramento.CA 95834 (916) 921.9b00 FAX (916)921-0100Analytica <br /> ......... -..... <br /> Blaine Tech Services, Inc. Client Project ID: Chevron 9-8632 <br /> /970902-F2 <br /> ... <br /> 1680 Rogers Ave. Matrix: Liquid <br /> ....San Jose, CA 95112 <br /> rted: Sep 17, 1997��'-.-'L <br /> Repo <br /> :Attention: Fran Thle Work Order#: 9709126-01-04 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Diesel <br /> QC Batch#: GC0909970HBPEXB <br /> Analy. Method: EPA 8015M <br /> Prep. Method: EPA 3510 <br /> Analyst: B.Sullivan <br /> MS/MSD#: 970914305 <br /> Sample Conc.: 1900 <br /> Prepared Date: 9/9/97 <br /> Analyzed Date- 9/10/97 <br /> Instrument I.D.#: GCHP4 <br /> Conc. Spiked: 1000yg/l <br /> Result: 2000 <br /> MS % Recovery: 10 <br /> Dup. Result: 2000 <br /> MSD % Recov.: 10 <br /> RPD: 0.0 <br /> RPD Limit: 0-50 <br /> . ............ <br /> ........... ...... ...... <br /> ............... <br /> .............. ........ <br /> ............. <br /> ......... X-NX,x.", ............................. <br /> ...... .. <br /> ................................................. .......... <br /> LCS#: Bl-KO90997 <br /> Prepared Date: 9/9/97 <br /> Analyzed Date: 9/10/97 <br /> Instrument I.D.#: GCHP4 <br /> Conc. Spiked: 10001ig/L <br /> LCS Result: 760 <br /> LCS %Recov.: 76 <br /> MS/MSD 50-150 <br /> LCS 60-140 <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 /> AN S <br /> ANALYTICAL 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 /> e y Penner <br /> Project Manager MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9709126,BLA <4> <br />