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Sequoia 680 Chesapeake Drive Redwood Crty,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> (D— 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 /> Blaine Tech Services, Inc Y Client Project ID r Chevron 9-2033, 950526-K2 <br /> 985 Timothy Drive Matrix Solid <br /> San Jose, CA 95133 <br /> <Attention Jim Keller Work Order# 9505K10-01 Reported Jun 12, 1995 <br /> '} , '. R'•'i r~r.a Si^ ^' r rvy,..,.. ` v ~ ' r rvnv ~ . r} ,ry ,.,. v. v iry r,n .v r. `}. Irv'sA , +_ <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Phenol 2-Chlorophenol 1,4-Dichloro N-Nitroso-Di- <br /> benzene N-propylamine <br /> OC Batch#: MSO6o1958270ExA MS0601958270EXA MS0601958270EXA MS060195a270EXA <br /> Anally. Method EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep. Method EPA 3550 EPA 3550 EPA 3550 EPA 3550 <br /> Analyst: E Manuel E Manuel E Manuel E Manuel <br /> MS/MSD # 950516901 950516901 950516901 950516901 <br /> Sample Conc.: N D N D N D N D <br /> Prepared Date: 6/1/95 6/1/95 6/1/95 6/1/95 <br /> Analyzed Date. 6/6/95 6/6/95 6/6/95 6/6/95 <br /> Instrument l D.#: H5 H5 H5 H5 <br /> Conc. Spiked: 3300ug/K9 3300pg/Kg 3300 Ng/Kg 3300 pg/Kg <br /> Result. 2200 2300 2200 2400 <br /> . MS % Recovery: 67 70 67 73 <br /> Dup. Result: 2300 2500 2300 2500 <br /> MSD % Recov.: 70 76 70 76 <br /> RPD: 44 83 44 41 <br /> RPD Limit 0-50 0-50 0-50 0-50 <br /> LCS <br /> Prepared Date: - - - - <br /> Analyzed Date: - - <br /> Instrument LD #: - - - - <br /> Conc. Spiked: - - - <br /> LCS Result: - - - - <br /> LCS % Recov ,, - - - <br /> MS/MSD <br /> LCS 5-112 23-134 20-124 DL-230 <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 /> SE Ol LYTICAL 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 0 <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 /> gg enner **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> Project Manager Page 1 of 3 MSK10 BLA <5> <br />