Laserfiche WebLink
680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget lane Walnut Creek CA 94598 (925)988-9600 FAX(9Z5)988-9673 <br /> *. 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ATC Associates, Inc Client Project ID Continental Grain 62500 0001 <br /> 1260 Graphics Drive Matrix Liquid <br /> Modesto, CA 95351-1502 <br /> Attention Drew Van Allen Work Order# 9808A13-01-03 Reported Sep 9, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte MTBE <br /> QC Batch# MS082098MTBEH6A <br /> Analy Method EPA 8260 <br /> ' Prep Method N A <br /> Analyst L Duong <br /> MS/MSD# 9808A1301 <br /> Sample Conc N D <br /> Prepared Date 8/20/98 <br /> Analyzed Date 8/20/98 <br /> Instrument I D # H6 <br /> Conc Spiked 50 pg/L <br /> Result so <br /> �MS %Recovery iaa <br /> Dup Result 51 <br /> MSD % Recov 102 <br /> ' RPD 20 <br /> RPD Limit 0-25 <br /> LCS# LCS082098 <br /> ' Prepared Date 8/20/98 <br /> Analyzed Date 8/20/98 <br /> Instrument I D # H6 <br /> Conc Spiked 50pg/L <br /> LCS Result 50 <br /> ' LCS% Recov 100 <br /> 60-140 <br /> ' LCS 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 /> �SQUOIA ANALYTICAL 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 /> Ka lmy& <br /> ' Project Manager **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9808A13AAA <2> <br />