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819 Striker Avenue,Suite 8 <br /> Sequoia Sacramento, 92 95834 <br /> -9600 <br /> (9]6)921-9600 <br /> , 4 fAX(916)921-0100 <br /> -5)— Analytical www.sequoialabs.com <br /> wo <br /> EMCON/IT-Sacramento Project: Foothill Landfill,San Joaquin County Sampled: 9/12/00 <br /> 1433 N.Market Blvd.,#I Project Number: 791289/16037-200.000 Received: 9/12/00 <br /> Sacramento,CA 95834 Project Manager: Steve Giacomini Reported: 10/10/00 <br /> Conventional Chemistry Parameters by APHA/EPA Methods/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Anal zed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batch: 0090389 Date Prepared: 9/19/00 Extraction Method: General Preparation <br /> Blank 0090389-BLK1 <br /> Sulfide 9/19/00 ND mg/l 0.500 U <br /> LCS 0090389-BSl <br /> Sulfide 9/19/00 34.7 34.8 mg/l 80-120 100 <br /> LCS Dup 0090389-BSD1 <br /> Sulfide 9/19/00 34.7 34.4 mg/1 80-120 99.1 20 1.16 <br /> Batch: 0090601 Date Prepared: 9/26/00 Extraction Method: General Preparation <br /> Blank 0090601-BLK1 <br /> Cyanide(total) 9/26/00 ND mg/1 0.0100 U <br /> LCS 0090601-BS1 <br /> Cyanide(total) 9/26/00 0.200 0.207 mg/1 80-120 103 <br /> Matrix Spike 0090601-MS1 S009147-01 <br /> Cyanide(total) 9/26/00 0.200 ND 0.197 mg/1 75-125 98.5 <br /> Matrix Spike Dui) 0090601-MSDI S009147-01 <br /> Cyanide(total) 9/26/00 0.200 ND 0.207 mg/l 75-125 103 20 4.95 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and definitions. <br /> Page 36 of 37 <br />