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Sequoia 680 Chesapeake Dnve 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 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine tech Services, Inc Client Project ID Clievron 9-2033 /960619-T1 <br /> 965 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9606693-01 Reported Jul 1, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. 2,4-Dinitro- Pentachloro- Pyrene <br /> toluene phenol <br /> QC Batch# MS0620968270EXA MS0620968270EXA MS0620968270EXA <br /> Analy Method EPA 8270 EPA 8270 EPA 8270 <br /> Prep. Method EPA 3510 EPA 3510 EPA 3510 <br /> Analyst E Manuel E Manuel E Manuel <br /> MS/MSD# 13LK062096 BLK062096 BLK062096 <br /> Sample Conc. N D N D N D <br /> Prepared Date 6/20/96 6/20/96 6/20/96 <br /> Analyzed Date 6/21/96 6/21/96 6/21/96 <br /> Instrument 1.113# HP5972 HP5972 HP5972 <br /> Conc Spiked 200 ug/L 200 ug/L 200 ug/L <br /> Result 130 140 140 <br /> MS% Recovery 65 70 70 <br /> Dup Result 140 140 140 <br /> MSD % Recov. 70 70 70 <br /> RPD 74 00 00 <br /> RPD Limit. 0-13 0-27 0-17 <br /> LCS# - - - <br /> Prepared Date - - <br /> Analyzed Date - - <br /> Instrument I D # - - <br /> Conc. Spiked - - - <br /> LCS Result - <br /> LCS% Recov - - <br /> LCS 24-96 9-103 26-127 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interfefent-free matrix that is analyzed using the same reagents, <br />• S I NALYTICALpreparation,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 /> g y **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> P ect Manager Page 3 of 3 9606893 BLA <6> <br />