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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N,Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834` (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos, CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> ................................................................................... <br /> s;::::asaa:.............. aaaa:aaa:::::: ::i::;: <br /> .:.:..:......................... :..............................- -:............................................. ........................:.............. -... ...........:.:.._:....................................... .... <br /> ATC Associates, Inc. Client Proj. ID: SUSD-Carp. Yard Sampled: <br /> 1117 Lone Palm Avenue Sample Descript: Method Blank Received: 02/19/99 <br /> Modesto, CA 95351-1502 Matrix: SOLID Extracted: 02/24/99 <br /> Analysis Method: EPA 8020 Analyzed: 02/24/99 <br /> Attention: T m L tt r <br /> o u e man Lab Number: 9902A37-05 <br /> R rt <br /> . e o ed 02 26 99 <br /> ..................................................................... ................. 1...................,,, <br /> �Instrument <br /> C Batch Number: GCO22499BTEXEXA ........................................................................ ........................................--............................................................................................. <br /> ID: GCHP22 <br /> BTEX Distinction <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> Benzene 0.0050 N.D. <br /> Toluene 0.0050 N.D. <br /> Ethyl benzene 0.0050 N.D. <br /> Xylenes (Total) 0.0050 N.D. <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 83 <br /> 4-B romoflu oro benzene 60 140 92 <br /> i <br /> 4nalytes reported as N.D.were not present above the stated limit of detection. <br /> " EQUOIA ANALYTICAL - E=LAP #1210 <br /> C:'Zject Manager Page: 9 <br />