Laserfiche WebLink
/ \ 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(516)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blame Tech Services, Inc Client Project ID' Chevron 9-1918/970207-H1 <br /> 1680 Rogers Avenue Matrix Liquid <br /> ,San Jose, CA 95112 <br /> ;Attention Fran Thie Work Order# 9702482-06-08 Reported Feb 20, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> GC Batch# GCO21397BTEX07A GCO21397BTEX07A GCO2139713TEX07A GCO21397BTEX07A <br /> Analy. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst A Potter A.Porter A.Porter A.Porter <br /> M S/MSD# 970248201 970248201 970248201 970248201 <br /> Sample Conc • N 0 N D N D N D <br /> Prepared Date 2/13/97 2/13/97 2/13/97 2/13/97 <br /> Analyzed Date 2/13/97 2/13/97 2/13/97 2/13/97 <br /> Instrument I D # GCHP07 GCHP07 GCHP07 GCHP07 <br /> Conc Spiked 10 pg/L 10 pg/L 10 ug/L 30 pg/L <br /> Result 9 2 9 7 10 31 <br /> . MS % Recovery 92 97 100 103 <br /> Dup Result 9 2 9 7 10 31 <br /> MSD%Recov 92 97 100 103 <br /> APD 00 00 00 00 <br /> RPD Limit* 0-25 0.25 0-25 0-25 <br /> LCS# BLK021397 BLK021397 BLK021397 BLK021397 <br /> Prepared Date: 2/13/97 2/13/97 2/13/97 2/13/97 <br /> Analyzed Date 2/13/97 2/13/97 2/13/97 2/13/97 <br /> Instrument I D # GCHP07 GCHP07 GCHP07 GCHP07 <br /> Conc. Spiked, 10 pg/L 10yg/L 10ug/L 30pg/L <br /> LCS Result 91 94 10 30 <br /> LCS%Recov.: 91 94 100 100 <br /> 60-140 60.140 60-140 60-140 <br /> LCS 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 /> eselA <br /> YTICAL 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 /> *"MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9702482 BLA c2> <br />