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680 Chesapeake Drive Redwood City,CA 94063 650) 364 9600 FAX(650)364 9233 <br /> ' Sequoia 404 N W,get Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Awr Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services,~Inc Client Project ID Chevron 9-2033 /970821-F3 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 = <br /> Attention Fran Thie Work Order# 97081346-01 Reported Sep 10, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Total Recoverable <br /> Petroleum Hydrocarbons <br /> QC Batch#: IN090597552OBFA <br /> Analy Method: SM 5520 BF <br /> Prep Method: N A. <br /> Analyst: T vo <br /> Prepared Date: 9/5/97 <br /> Analyzed Date: x/5/97 <br /> Instrument I D #: MANUAL <br /> Conc Spiked 10 mg/L <br /> Result 060 <br /> MS % Recovery 60 <br /> Dup Result 080 <br /> MSD % Recov : 80 <br /> RPD: 29 <br /> RPD Limit: 0-30 <br /> LCS #. LCS090897 <br /> Prepared Date 9/8/97 <br /> Analyzed Date 9/8/97 <br /> Instrument I.D.#: MANUAL <br /> Conc Spiked: 10 mg/L <br /> LCS Result: 080 <br /> LCS %Recov : 80 <br /> 60-140 <br /> LCS 70-130 <br /> Control Limits <br /> tenPlease Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> NALYTICAL 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 specrfied control limits due to matrix <br /> Interference,the LCS recovery is to be used to validate the batch <br /> erager *"MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 970BD46 BLA i2> <br />