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C 819 Striker Ave Ste 8 <br /> 6�)l Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)921-0100 <br /> J www.sequoialabs.com <br /> Shaw E&I-Sacramento Project: Corral Hollow Landfill,San Joaquin County 5310191 <br /> 1326 N.Market Blvd. Project Number. 791291/00004000 Reported: <br /> Sacramento CA,95834 Project Manager: Steve Giacomini 12/04/03 14:58 <br /> Organophosphorus Pesticides by EPA Method 8141A- Quality Control <br /> Sequoia Analytical-Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analyte Result MDL Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3J10022-EPA 3510C <br /> Laboratory Control Sample(3J10022-BSI) Prepared: 10/10/03 Analyzed: 10/14/03 <br /> Diazinon 1.23 0.16 0.50 ug/l 1.25 98.4 25-160 <br /> Disulfoton 1.35 0.15 0.50 1.25 108 10-170 <br /> Parathion-methyl 1.26 0.13 0.50 1.25 101 10-154 <br /> Surrogate:Triphenyl phosphate 1.37 1.25 110 10-181 <br /> Laboratory Control Sample Dup(3J10022-BSDI) Prepared: 10/10/03 Analyzed: 10/14/03 <br /> Diazinon 1.23 0.16 0.50 ug/1 1.25 98.4 25-160 0.00 48 <br /> Disulfoton 1.41 0.15 0.50 1.25 113 10-170 4.35 48 <br /> Parathion-methyl 1.14 0.13 0.50 1.25 91.2 10-154 10.0 64 <br /> Surrogate:Triphenyl phosphate 1.37 1.25 110 10-181 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. Unless otherwise stated,results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> - Page 37 of 66 <br />