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D3� 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> i s <br /> Se404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> ��y u tty n 819 Striker Avenue Sulte 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> j� 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)791-0342 <br /> Sequoia-RC(Subbed In) Protect Kayvon Kimyai Sampled 2/23/99 to 2/25/99 <br /> 680 Chesapeake Dr Project Number 9902E24/E25 Received 3/3/99 <br /> Redwood City,CA 94063 Project Manager Ka an Kimyai Reported 3/12/99 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> JAnalytc Number Prepared Analyzed Lacots Limit Result Units Notes* <br /> EW-2-20 0' P903183-13 Soil <br /> Tert-amyl methyl ether 9030221 3/10199 3/10/99 000500 ND mg/kg <br /> Tert-butyl alcohol " " 1. 0 100 ND " <br /> Di-isopropyl ether " " to 000500 ND " <br /> 1,2-Dlbromoethane(EDB) " " 000500 ND " <br /> 1,2-Dichloroethane It <br /> " 000500 ND " <br /> Ethanol 0200 ND " <br /> Ethyl Certerbutyl ether _-- — " 000500 T ND — —---- <br /> Methyl tert-bury!ether 000500 ND " <br /> Surrogate Dibromofluoromethane 800-120 92 8 % <br /> .Surrogate 12-Dtchloroethane-d4 800-120 874 " <br /> Surrogate Toluene-d8 810-117 124 <br /> Surrogate 4-Bromofluorobenzene it to 740-121 996 <br /> ARM-2-14 51 P903183-14 Sod <br /> amyl methyl ether 9030221 3/10/99 3/10199 000500 ND mg/kg <br /> Tert-butyl alcohol 1. 0 100 ND <br /> Di-isopropyl ether 000500 ND " <br /> I1,2-Dibromoethane(EDB) " 000500 ND <br /> 1,2-Dichloroethane 000500 ND " <br /> Ethanol 0200 ND to <br /> Ethyl tert-butyl ether 000500 ND " <br /> Methyl ten-butyl ether to " 000500 ND " <br /> Surrogate Dibromofluoromethane IF to 11 800-120 878 % <br /> Surrogate 1,2-Dichloroethane-d4 to of Of 800-120 916 to <br /> Surrogate Toluene-d8 I, to 11 810-117 0 996 " <br /> Surrogate 4-Bromofluorobenzene I, to of 740-121 904 " <br /> EW-1-9 5' P903183-15 Sod <br /> ITert-amyl methyl ether 9030221 3/10199 3/10/99 000500 ND mg/kg <br /> Tert-butyl alcohol 11 1. 0 100 ND <br /> Di-isopropyl ether 000500 ND " <br /> 1,2-Dlbromoethane(EDB) " 000500 ND <br /> 1,2-Dichloroethane 000500 ND <br /> Ethanol " 0200 ND " <br /> Ethyl tert-butyl ether 000500 ND " <br /> Methyl tert-butyl ether 000500 ND <br /> Surrogate Dibromofluoromethane " to 800-120 994 % <br /> Surrogate 12-Dichloroethane-d4 of if800-120 103 <br /> 11 <br /> Surrogate Toluene-d8 to If It810-117 101 <br /> Surrogate 4-Bromofluorobenzene of to 740-121 105 11 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> Page 7 of 22 <br /> r <br />