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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N W,get Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc Client Project IDm Chevron 9-2033, 950526-K2 <br /> 985 Timothy Drive Matrix Solid ;f <br /> xy <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9505K10-01 Reported Jun 12, 1995 ` <br /> {i ryi {i ± { s n . 4 . ~ r 4 r } r r . , r yr 4i, r r s • . , l <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 2,4-Dinitro- Pentachloro- Pyrene Diesel <br /> toluene phenol <br /> QC Batch#. MSM1958270EXA MSOW1958270EKA MS0601958270EXA GC0602950HBPEKY <br /> Analy. Method: EPA 8270 EPA 8270 EPA 8270 EPA 8015 M <br /> Prep. Method: EPA 3550 EPA 3550 EPA 3550 EPA 3520 <br /> Analyst E Manuel E Manuel E Manuel T Olive <br /> MS/MSD #: 950516901 950516901 950516901 - <br /> Sample Conc : N D N D N D <br /> Prepared Date- 6/1/95 6/1/95 6/1/95 - <br /> Analyzed Date. 6/6/95 6/6/95 6/6/95 - <br /> Instrument t D.#: H5 H5 H5 - <br /> Conc. Spiked: 3300N9/Kg 330opg/Kg 33W N9/Kg - <br /> Result. 2300 2100 2400 <br /> MS% Recovery: 70 64 73 <br /> Dup. Result: 2400 2200 2500 <br /> MSD%Recov : 73 67 76 - <br /> RPD. 43 47 41 <br /> RPD Limit: 0-50 0-50 0-50 0-50 <br /> LCS #: - - - BLK060295 <br /> Prepared Date: - - - 6/2/95 <br /> Analyzed Date: - - - 6/6/95 <br /> Instrument LD # - - GCHP4 <br /> Conc. Spiked: - - - 1000pg/L <br /> LCS Result. - - - 1000 <br /> LCS %Recov - - - - 100 <br /> LCS 39.139 14-176 52-115 38-122 <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 /> fgPenner <br /> ALYTICAL 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 /> "*MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference <br /> Proj ct Manager Page 3 of 3 9505K10 BLA <7> <br />