Laserfiche WebLink
• 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> ` <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(')8088-cfWV <br /> 819 Striker Avenue Swte 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792 1865 FAX(707)792-0342 <br /> Analytical 11551 Industrial Road San Carlos CA 94070-4111 (650)232 9600 FAX(650)232-9612 <br /> Sequoia Analytical Client Project ID L905535-TRMI EH&S <br /> 1551 Industrial Blvd Matrix Liquid <br /> San Carlos, CA 94070 <br /> Attention Mike Gregory QC Sample Group 9060199-213 Reported Jun 21, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#' GC060399 GC060399 GC060399 GC060399 <br /> 802005A 802005A 802005A 802005A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD # 9060230 9060230 9060230 9060230 <br /> Sample Cone N D N D N D N D <br /> Prepared Date 06/03/99 06/03/99 06/03/99 06/03/99 <br /> Analyzed Date 06/03/99 06/03/99 06/03/99 06/03/99 <br /> Instrument I D # HP-5 HP 5 HP 5 HP-5 <br /> Cone Spiked 20 erg/L 20 Ng/L 20 pg/L 60 Vg/L <br /> Result 20 19 19 60 <br /> MS % Recovery 100 95 95 100 <br /> Dup Result 20 19 18 56 <br /> MSD % Recov .. 100 95 90 93 <br /> RPD 00 00 54 69 <br /> RPD Limit 0-20 0-20 0-20 0-20 <br /> LCS # —5LCS060399 5LCS060399 5LCS060399�5LCS060399 <br /> -Prepared Date -- 06/03/99- - - -06/03/99 ---- 06/03/99 - 06/03/99 - <br /> Analyzed Date 06/03/99 06/03/99 06/03/99 06/03/99 <br /> Instrument I D # HP-5 HP-5 HP-5 HP-5 <br /> Cone Spiked 20 fag/L 20ug/L 20ug/L 60ug/L <br /> LCS Result 19 19 19 58 <br /> LCS % Recov 95 95 95 97 <br /> LCS 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> ease Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL, #1271 preparation and analytical methods employed for the sarnples 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 /> Charlie Westwater IVI,5 - atnx pi e, = iviti Uuplicate, = Relative%Uifference l� <br /> Project Manager <br /> 9060199 SSS <6> <br />