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Sequoia 680 Chesapeake Drive 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 /> frrl�► Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Blaine Tech Services,Inc ry Client Project I© r Chevron 9-8632/9511201-G2 <br /> 985 Timothy Drive Matra Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9512138-01 Reported Dec 18, 1995' <br /> v ry h } +}A r +. • + + n .r } 5 v v <br /> rvv♦v•vr,h{M n v • ♦ nv v z ry n Y + ♦ r +. M1 ` + + + r♦ v }v}n z r r r n r v } ` r n r r r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. 1,2,4-Tnchloro 4-Chloro-3 Acenaphthene 4-Nitrophenol <br /> benzene Methylphenol <br /> OC Batch#: MS113o958270EXB MS1130958270EXB MS1130958270EXB MS1130958270EXB <br /> Analy. Method- EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep. Method: EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst' B Pitamah B Pitamah B Pitamah B Pitamah <br /> MS/MSD# 9511 Ko001 9511 K0001 9511 K0001 9511 K0001 <br /> Sample Conc : N D N D N D N D <br /> Prepared Date. 11/30/95 11/30/95 11/30/95 11/30/95 <br /> Analyzed Date- 11/30/95 11/30/95 11/30/95 11/30/95 <br /> Instrument I D #: H5 H5 H5 H5 <br /> Conc.Spiked: 2001jg/L 200 pg/L 2Wug/L 200pg/L <br /> Result 120 140 120 43 <br /> . MS%Recovery: 60 70 60 22 <br /> Dup. Result: 130 140 130 50 <br /> MSD%Recov : 65 70 65 25 <br /> RPD 80 00 80 15 <br /> RPD Limit: 0-50 0.50 0-50 0-50 <br /> LCS#: BLK113095 BLK113095 BLK113095 BLK113095 <br /> Prepared Date: 11/30/95 11/30/95 11/30/95 11/30/95 <br /> Analyzed Date: 11/30/95 11/30/95 11/30/95 11/30/95 <br /> Instrument I D #- H5 H5 H5 H5 <br /> Conc. Spiked. 200 pg/L 200 pg/L 200 pg/L 200pg/L <br /> LCS Result: 130 140 130 42 <br /> LCS %Recov.. 65 70 65 21 <br /> LCS 44142 22-147 47-145 DL-132 <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 /> SENA ICAL 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 H <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 neer MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> J ect Manager Page 2 of 3 9512138 BLA <7> <br />