Laserfiche WebLink
• + Sequoia 680 Chesapeake Drive Rcdwood City, CA 94063 (415) 364 9600 ]AX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Crcck, CA 99598 (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 /> Gettler Ryan/Geostrategles n Client Project ID Unocal 6981, Pacific Ave 4 <br /> 3164 Gold Camp Drive #240 Matrix Liquid <br /> Rancho Cordova, CA 95670 <br /> Attention Greg Gurss Work Order# 9706C85-02 Reported Jul 8, 1997 <br /> F <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch#. GCO62697BTEX03A GC0625976TEX03A GCO62697BTE X03A GC062697BTEX03A GCO62697BT1=X03A <br /> Analy. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: R Vincent R Vincent R Vincent R Vincent R Vincent <br /> MS/MSD #- 9706C0003 9706C0003 970600003 9706CO003 970600003 <br /> Sample Conc N D N D N D N D N D <br /> Prepared Date 6/26/97 6/26/97 6/26/97 6/26/97 6/26/97 <br /> Analyzed Date: 6/26/97 6/26/97 6/26/97 6/26/97 6/26/97 <br /> Instrument 1 D # GCHP3 GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc Spiked. 10 pg/L 10 jag/L 10 pg/L 30 Ng/L 60 Mg/L <br /> Result 95 94 94 26 45 <br /> % Recovery 95 94 94 87 75 <br /> Dup. Result: 92 90 90 25 43 <br /> MSD % Recov : 92 90 90 83 72 <br /> RPD 32 43 43 39 45 <br /> RPD Limit 0-25 0-25 0-25 0-25 0-25 <br /> LCS # BLK062697 BLK062697 BLK062697 BLK062697 BLK062697 <br /> Prepared Date. 6/26/97 6/26/97 6/26/97 6/26/97 6/26/97 <br /> Analyzed Date. 6/26/97 6/26/97 6/26/97 6/26/97 6/26/97 <br /> Instrument LD #. GCHP3 GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc. Spiked 10Ng/L 10jug/L 10ug/L 30yg/L 60Ng/L <br /> LCS Result 93 92 93 26 44 <br /> LCS % Recov .. 93 92 93 87 73 <br /> 60-140 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 70-130 <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 /> 71k0eGregory <br /> QUO[ �NAYTICAL 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 /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9706085 GET �2> <br />