Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-%00 FAX(650) 364 9233 <br /> 404 IV Wager lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921 0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707) 792 1865 FAX(707)792 0342 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-2033/980811-P 1 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order # 9808956-04 Reported Sep 1, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> OC Batch# GC082098802004A GCO82098802004A GCO82098802004A GCO82098802004A GCO82098802004A <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 S L SL SL S L S L <br /> MS/MSD # 98080418 98080418 98080418 98080418 <br /> Sample Cone N D N D N D N D <br /> Prepared Date 8/20/98 8/20/98 8/20/98 8/20/98 <br /> Analyzed Date 8/20/98 8/20/98 8/20/98 8/20/98 <br /> Instrument I D # GC4 GC4 GC4 GC4 <br /> Cone Spiked 20ug/L 20 ug/L 20 ug/L 60 ug/L <br /> Result 19 19 20 58 <br /> MS % Recovery 95 97 101 97 <br /> Dup Result 20 20 21 61 <br /> MSD % Recov 99 100 105 102 <br /> RPD 51 51 49 50 <br /> RPD Limit 0-25 025 025 0-25 <br /> LCS # LCS082098 LCS082098 LCS062096 LCS082098 LCS082098 <br /> Prepared Date 8/20/98 8/20/98 8/20/98 8/20/98 8/20/98 <br /> Analyzed Date 8/20/98 8/20/98 8/20/98 8/20/98 8/20/98 <br /> Instrument 1 D # GC4 GC4 GC4 G04 GC4 <br /> Cone Spiked 20 ug/L 20 ug/L 20 ug/L 60 ug/L 500 ug/L <br /> LCS Result 17 18 19 54 473 <br /> LCS % Recov 85 88 94 90 95 <br /> 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 60-140 <br /> Control Limits <br /> Please Note <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> !Pro <br /> Elap#214 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 /> i ory ct Manager **,UIS=Matrix Spike, MSD=MS Duplicate, RPD=Relative o Difference 9808956 BLA <2> <br />