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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 /> ATC Associates,Inc. Project:ct. SUSD/Corporation Yard Sampled: 2/23199 to 2/24/99 <br /> 1117 Lone Palm Ave.,Suite B Project Number: na Received: 3/1/99 <br /> Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 3/15/99 <br /> l <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> S p g <br /> Analyte Number Pre ared Analyzed Limits Limit <br /> Result Units Notes: <br /> I <br /> SL3SD/CY-SB9-35.5 . P903097-24 Soil <br /> Tert-amyl methyl ether 9030221 319199 3110199 5.00 ND ug/kg <br /> Tert-butyl alcohol 100 ND I <br /> LDi-isopropyl ether <br /> 1,2-Dibromoethane(EDB) 5.00 ND <br /> 5,00 ND i <br /> 1,2 Dich€oraethane 5.00 ND " <br /> Ethanol 200 ND <br /> Ethyl tert-butyl ether 5.00 ND <br /> If Methyl Cert-butyl ether 5.00 ND " <br /> Surrogate: Dibromofluoromethane " 80.0-120 -- — 102 % ------ �- <br /> Surrogate: 1,2-Dichloroethane-d4 80.0-120 108 'I <br /> Surrogate: Toluene-d8 61.0-117 100 <br /> Surrogate: 4-Bromofluorobenzene of 74.0-121 104 " <br /> � 5D/CY-SB9-40.5 P903097-25 Soil <br /> r'llfrt-amyl methyl ether 9030221 3/9/99 3110199 5.00 ND ug/kg <br /> Tert-butyl alcohol 100 ND " <br /> Di-isopropyl ether 5.00 ND <br /> 1,2-Dibromoethane(EDB) 5.00 ND " <br /> 1,2-Dich€oroethane 5.00 ND " <br /> Ethanol 200 ND " <br /> Ethyl tent-butyl ether ;i 5.00 ND " <br /> Methyl tert-butyl ether 5.00 ND " <br /> Surrogate. Dibromofluoromethane 80.0-120 115 <br /> Surrogate: 1,2-Dichloroethane-d4 80.0-120 123 5 <br /> Surrogate: Toluene-d8 81.0-117 113 <br /> Surrogate: 4-Bromo uorobenzene 74.0-121 lI8 <br /> g � , <br /> C ' <br /> i <br /> i <br /> i <br /> 1 <br /> j r <br /> I <br /> Sequoia Analytical-Petaluma *Refer to end of report for teat of notes and definitions. <br /> i <br /> s <br /> Page 16 of 28 <br /> I <br />