Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921 0100 <br /> frjr Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792 0342 <br /> 0 1551 industrial Road San Carlos CA 94070 4111 (650)232 9600 FAX(650)232 9612 <br /> ATC Associates, Inc Client Project ID Continental Grain 62500 0001 <br /> 1117 Lone Palm Avenue Matrix Liquid <br /> Modesto CA 95351-1502 <br /> Attention Drew Van Allen Work Order # 9902A52 -01 Reported Mar 3, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes BTEX as TPH <br /> Benzene <br /> QC Batch# GCO22399802002A GCO2-2399802002A GCO223998O2Oo2A GC-322399802002A GCO22399802002A <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 /> I <br /> Analyst C Westwater C Westwater C Westwater C Westwater C Westwater <br /> MS/MSD # 9021937 9021937 9021937 9021937 9021937 <br /> Sample Conc N D N D N D N D N D <br /> Prepared Date 2/23/99 2/23/99 2/23/99 2/23/99 2/23/99 <br /> Analyzed Date 2/23/99 2/23/99 2/23/99 2/23/99 2/23/99 <br /> Instrument I D # HP2 HP2 HP2 HP2 HP2 <br /> Conc Spiked 20pg/L 20ug/L 20pg/L 50pg/L 310ug/L <br /> Result 19 19 20 63 310 <br /> •MS % Recovery 95 95 100 105 100 <br /> Dup Result 17 16 16 55 290 <br /> MSD % Recov 85 80 80 92 94 <br /> RPD 11 1 171 222 136 67 <br /> RPD Limit 0-20 0-20 0-20 020 050 <br /> LCS # LCS022399 LCS022399 LCS022399 LC8022399 LCS022399 <br /> Prepared Date 2/23/99 2/23/99 2/23/99 2/23/99 2/23/99 <br /> Analyzed Date 2/23/99 2/23/99 2/23/99 2/23/99 2/23/99 <br /> Instrument I D # HP2 HP2 HP2 HP2 HP2 <br /> Conc Spiked 20 ug/L 20 ug/L 20 ug/L 60pg/L 310 ug/L <br /> LCS Result 17 17 17 57 300 <br /> LCS % Recov 85 85 85 95 97 <br /> LCS 70-130 70-130 70130 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 /> lap#1271 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 3Imits due to matrix <br /> Ka rr imyal Interference the LCS recovery Is to be used to validate the batch <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate RPD=Relative% Difference 9902A52 AAA <1> <br />