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t <br /> L <br /> 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(9Z5)988-9673 <br /> Analytical 819 Striker Avenue.Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> -�� y 1455 McDowell Blvd.North.Ste.D Petaluma CA 94954 (707)792-1865 FAX(707)79Z-0342 <br /> � I <br /> ATC Associates,Inc. Project: SUSD/Corporation Yard Sampled: 2123/99 to 2124/99 <br /> 1117 Lone Palm Ave.,Suite B Project Number: na Received: 311/99 <br /> Q Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 3/15/99 <br /> Volatile Organic Compounds by EPA Method 8260E <br /> Sequoia Analytical-Petaluma <br /> E Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> SUSD/CY-SB7-15.5 P903097-15 Soil <br /> Tert-amyl methyl ether 9030118 318199 3/8/99 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-Dichloroethane 5.00 ND " <br /> ' Ethanol 200 ND " <br /> LEthyl tert-butyl ether 5.00 ND " <br /> Methyl tert-_butyl ether __ 5.00_ ND <br /> Surrogate: Dibromofluoromethane 80.0-120 87.8 % <br /> Surrogate: 1.2-Dichloroethane-d4 80.0-120 88.6 " <br /> Surrogate: Toluene-d8 81.0-117 87.0 'I <br /> Surrogate: 4-Bromofluorobenzene 74.0-121 92.2 <br /> C�SDICY-SB7-20.5 P903097-16 Soil <br /> it-amyl methyl ether 9030118 318199 3/9199 5.00 ND ug/kg <br /> Tert=butyl alcohol 100 ND " <br /> 1p Di-isopropyl ether 5.00 ND " <br /> fti 1,2-Dibromoethane(EDB) 5.00 ND " <br /> I r� 1,2-Dichloroethane 5.00 ND " <br /> Ethanal 200 ND " <br /> Ethyl tert-butyl ether 5.00 ND " <br /> Methyl tert-butyl ether 5.00 ND <br /> Surrogate: Dibromofluorornethane 80.0-120 100 % <br /> 16_; Surrogate: 1,2-Dichloroethane-44 80.0-120 97.6 " <br /> Surrogate: Toluene-d8 81.0-117 105 <br /> (� Surrogate: 4-Bromofluorobenzene 74.0-111 105 " <br /> l3� SUSD/CY-SB7-35.5 P903097-17 Soil <br /> Tert-amyl methyl ether 9030118 3/8/99 318199 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 /> Lr 1,2-Dichloroethane 5.00 ND " <br /> Ethanol 200 ND " <br /> r:E Ethyl tert-butyl ether 5.00 ND " <br /> 1 f Methyl Cert-butyl ether 5.00 ND _ <br /> L" Surrogate: Dibromofluoromethane f 80.0-120 95.2 % <br /> Surrogate: 1.2-Dichloroethane-d4 80.0-120 107 <br /> l$ Surrogate: Toluene-d8 81.0-117 89.2 <br /> Surrogate: 4-Bromofluorobenzene 74.0-121 95.2 <br /> U Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> L <br /> Page 13 of 28 <br /> _- <br /> Page ]4 of 28 - , <br />