Laserfiche WebLink
I <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Wainut Creek CA 94599 (92S)988-9600 FAX(925)988-9673 <br /> a- ) <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-010 0 <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 9-8264/ 981124-J2 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Christine Lillie Work Order # 9811 HSO-04 Reported Dec 22, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes BTEXas TPH <br /> Benzene <br /> QC Batch# GC120598802005A GC120598802005A G0120598802005A GC120598802005A GC120598802005A <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 D Newcomb D Newcomb D Newcomb D Newcomb D Newcomb <br /> MS/MSD # 8120183 8120183 8120183 8120183 8120183 <br /> Sample Conc N D N D N D N D ND <br /> Prepared Date 12/5/98 12/5/98 12/5/98 12/5/98 12/5/98 <br /> Analyzed Date 12/5/98 12/5/98 12/5/98 12/5/98 12/5/98 <br /> Instrument I D # HP5 HP5 HP5 HP5 HP5 <br /> Conic Spiked 20 ug/L 20 jug/L 20ug/L 60 ug/L 280 pg/L <br /> Result 20 20 20 62 300 <br /> MS % Recovery 100 100 100 103 107 <br /> Dup Result 19 20 20 62 290 <br /> MSD % Recov 95 100 100 103 104 <br /> RPD 51 00 00 00 34 <br /> RPD Limit 0-20 020 0-20 0-20 0-50 <br /> i <br /> LCS # LCS120598 LCS120598 LC8120598 LCS120598 LCS120598 <br /> Prepared Date 12/5/98 12/5/98 12/5/98 12/5/98 12/5/98 <br /> Analyzed Date 12/5/98 12/5/98 12/5/98 12/5/98 12/5/98 <br /> Instrument I D # HP5 HP5 HP5 HP5 HP5 <br /> Conc Spiked 20 pg/L 20 Fug/L 20 pg/L 60 pg/L 280 Ng/L <br /> LCS Result 22 22 22 67 280 <br /> LCS % Recov 110 110 110 112 100 <br /> 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 50150 <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 /> Elap# 71 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 /> regory <br /> left Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative% Difference 9811H50 BLA <3> <br />