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Sequoia 680 Chesapeake Drive i Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <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 /> I + + `�:: ti"4,irrr'Y. r .+ rr'.v �+r r'.Iti,�,�+ } }r ' � r v,+n , v „ �,.r,r • +t r+vr'�ri}.,{n } rYv.}vt} <br /> Smith-Canohie Environmental CiientVProject IDr 15538, 94-318-02-10 <br /> 1710 Main Street Matnx Liquid <br /> Escalon, CA 95320 <br /> Attention Jeanne Homsey Work Order# 9510607 -01-6 Reported Nov 1, 1995 <br /> ' ` \' '',Ftr ` `•°r ` c v ,,Q4. `4 w,�y..,.a,ka ntv..< <br /> , ,r O`r + r + r ♦ r .�+ r v ♦v1r r r h+ w Cr ♦ 4 r •'. }'`+ Y ^r r r n n �h�v ,+ n�4 nv4Srv'rr+6N c <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Lead <br /> IQC Batch#: ME1013957000MDB <br /> Analy Method: EPA 2392 <br /> Pree Method' EPA 3020 <br /> Analyst. J Jencks <br /> MS/MSD#: 951060701 <br /> Sample Cone.- N D <br /> Prepared Date: 10/13/95 <br /> Analyzed Date 10/16/95 <br /> Instrument LD # MTJA1 <br /> Cone. Spiked 0 050 mg/L <br /> Result: 0 049 <br /> MS %Recovery 98 <br /> Dup. Result 0048 <br /> MSD %Recov.: 96 <br /> RPD: 21 <br /> RPD Limit: 0-30 <br /> -r S +mv v ti �S ♦nY♦ YSv Y�vv `v nii <br /> LCS#: BLK101395 <br /> Prepared Date 10/13/95 <br /> Analyzed Date: 10/16/95 <br /> ' Instrument I D.#: MTJA1 <br /> Conc Spiked: 0 050 mg/L <br /> LCS Result: 0052 <br /> ' LCS%Recov • 104 <br /> LCS 75-125 <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 /> SEQUOIA 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 /> Vickie Taga Clark <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9510607 CAN -<1> <br />