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Sequoia 680 Chesapeake Drive Redwood City CA 940( (415) 364.9600 FAX(415) 364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94596 (510) 988.9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> Kleinfelder-Stockton Project: N/A Sampled: 7/16/98 <br /> 2825 East Myrtle Street Project Number: 20-4202-01.P02 Received: 7/20/98 <br /> Stockton,CA 95205 Proiect Manager: Tonv Martin Reported: 8/11/98 <br /> Volatile Organic Compounds by EPA Method 8010B/Quality Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> 4nalvte Analvzed Level Result Result Units Recov. Limits % Limit % Notes* <br /> Batch: 8080043 Date Prepared: 7/28/98 Extraction Method: EPA 5030B JN1e0Hl <br /> Blank 8080043-BLKI <br /> Bromodichloromethane 7/28/98 ND ug/kg 5.00 <br /> Bromoform ND 5.00 <br /> Bromomethane ND 10.0 <br /> Carbon tetrachloride ND 5.00 <br /> Chlorobenzene ND 5.00 <br /> Chloroethane ND 10.0 <br /> 2-Chloroethylvinyl ether ND 10.0 <br /> Chloroform ND 5.00 <br /> Chloromethane ND 10.0 <br /> Dibromochloromethane ND 5.00 <br /> 1,3-Dichlorobenzene ND 5.00 <br /> 1,4-Dichlorobenzene ND 5.00 <br /> 1,2-Dichlorobenzene ND 5.00 <br /> 1,1-Dichloroethane ND 5.00 <br /> 1,2-Dichloroethane ND 5.00 <br /> 1,1-Dichloroethene ND 5.00 <br /> cis-1,2-Dichloroethene ND 5.00 <br /> r trans-1,2-Dichloroethene ND 5.00 <br /> 1,2-Dichloropropane ND 5.00 <br /> cis-1,3-Dichloropropene ND 5.00 <br /> trans-1,3-Dichloropropene ND 5.00 <br /> Methvlene chloride ND 50.0 <br /> 1,1,2,2-Tetrachloroethane ND 5.00 <br /> Tetrachloroethene ND 5.00 <br /> 1,1,1-Trichloroethane ND 5.00 <br /> 1,1,2-Trichloroethane ND 5.00 <br /> Trichloroethene ND 5.00 <br /> Trichlorofluoromethane ND 5.00 <br /> Vinyl chloride ND 10.0 <br /> Surrogate: Bromochloron:ethane 200 194 60.0-140 97.0 <br /> Surrogate: 2-Chlorotoluene 200 184 60.0-140 92.0 <br /> ILS 8080043-BSI <br /> Chlorobenzene 7/28/98 400 382 ug/kg 70.0-130 95.5 <br /> 1,1-Dichloroethane 200 188 70.0-130 94.0 <br /> Trichloroethene 200 194 70.0-130 97.0 <br /> Surrogate: Bromochlorontethane 200 188 60.0-140 94.0 <br /> Surrogate: 2-Chlorotoluene 200 186 60.0-140 93.0 <br /> Sequoia Analytical-Sacramento *Refer to end of report for tent of notes and definitions. <br /> /inda C. Schneider,Laboratory Director <br /> /ZPage 23 of 25 <br /> T. <br /> tri <br />