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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 %00 FAX(925)988 9673 <br /> � Analytical 819 Sinker Avenue Suite B Sacramento CA 95834 (916)921-9600 FAX(916)92E 0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792 1865 FAX(707)792 0342 <br /> 1 ATC Associates, Inc Client Project ID Continental Grain <br /> 1260 Graphics Drive Matrix Liquid <br /> 1 Modesto, CA 9535 1-1 502 <br /> Attention Drew Van Allen Work Order# 9808898 -01-06 Reported Sep 2, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Beryllium Cadmium Chromium Nickel <br /> iQC Batch# ME081798601OMDF ME081798601CMDF ME0817986010MDF ME081798601OMDF <br /> Analy Method: EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Prep Method EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst C Caoile C Caoile C Caoile C Caoile <br /> MS/MSD# 980885001 980885001 980885001 980885001 <br /> 1 Sample Conc N D N D 38 3 5 <br /> Prepared Date 8/17/98 8/17/98 8/17/98 8/17/98 <br /> Analyzed Date 8/18/98 8/18/98 8/18/98 8/18/98 <br /> Instrument 1.13#' MT„A5 MTJA5 MTJA5 MTJA5 <br /> 1 Conc Spiked 1 0 mg/L 1 0 mg/L 1 0 mg/L 1 0 mg/L <br /> Result 40 40 44 42 <br /> �S °.6 Recovery as so as 77 <br /> Dup Result 42 42 45 44 <br /> MSD% Recov 84 84 82 81 <br /> ' RPD- 49 49 22 47 <br /> RPD Limit 0-20 0-20 0-20 0-20 <br /> LCS# LCS081798 LCS081798 LCS081798 LCS081798 <br /> Prepared Date 8/17/98 8/17/98 8/17/98 8/17/98 <br /> Analyzed Date 8/18/98 8/18/98 8/18/98 8/18/98 <br /> Instrument I D# MTJA5 MTJA5 MTJA5 MTJA5 <br /> Conc. Spiked 1 0 mg/L 1 0 mg/L 1 0 mg/L 1 0 mg/L <br /> LCS Result 48 47 48 47 <br /> LCS%Recov. 96 94 96 94 <br /> 80-120 80-120 80-120 80-120 <br /> LCS 80-120 80-120 80.120 80-120 <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 /> 0EQUOIA 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 matnx <br /> interference,the LCS recovery is to be used to validate the batch <br /> KayaI <br /> P Ject Ma r **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9808898 AAA <1> <br />