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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 /> '{ 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> y, x <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> Sequoia-RC(Subbed in) Project Kayvon Kimyai Sampled 2123/99 to 2/25/99 <br /> 680 Chesapeake Dr Project Number 9902E24/E25 Received 3/3/99 <br /> Redwood City,CA 94063 Project Manager Kayvan Kimyat Reported 3/12/99 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> JAnalyte Number Prepared Analyzed Limits Limit Result Units Notes' <br /> CPT-11-48W P903183-19 Water <br /> Tert-amyl methyl ether 9030177 3/8/99 318/99 200 ND ug/l <br /> Tert-butyl alcohol „ 4000 ND " <br /> DI-isopropyl ether " It 200 ND " <br /> 1,2-Dibromoethane(EDB) 100 ND <br /> 1,2 Dichloroethane 100 ND " <br /> Ethanol 20000 ND " <br /> Ethyltyl ether — of 200 ND — ---- ----- <br /> Methyll tort tert-butyl ether 200 3010 <br /> Surrogate Dibromofluoromethane " 860-118 98 0 % <br /> Surrogate 1,1-Dichloroethane-d4 " " " 100-120 103 It <br /> Surrogate Toluene-d8 880-110 964 " <br /> .Surrogate 4-Bromofluorobenzene toitto860-115 954 to <br /> T-11-55 5W P903183-20 Water <br /> amyl methyl ether 9030177 3/9199 319199 100 ND ug/1 <br /> rt-butyl alcohol " 200 ND <br /> DI-isopropyl ether 100 ND " <br /> 1,2-Dibromoethane(EDB) „ " 500 ND <br /> 1,2-Dichloroethane it500 ND <br /> Ethanol 1. 1000 ND " <br /> Ethyl tert-butyl ether It100 ND " <br /> Methyl tert-butyl ether to <br /> It <br /> 100 141 <br /> Surrogate Dibromofluoromethane IF <br /> 860-118 100 % <br /> Surrogate 1 2-Dichloroethane-d4 " IF <br /> " 800-120 916 of <br /> Surrogate Toluene-d8 If880-110 103 " <br /> Surrogate 4-Bromofluorobenzene IfIf860-115 107 " <br /> CPT-14-38 5W P903183-21 Water <br /> Tert-amyl methyl ether 9030177 3/9/99 3/10/99 100 ND ug/l <br /> Tert-butyl alcohol it 200 ND " <br /> Dt-isopropyl ether 100 ND " <br /> 1,2-Dibromoethane(EDB) 0 500 ND " <br /> 1,2-Dichloroethane 0 500 ND " <br /> Ethanol toIt 100 ND " <br /> Ethyl tert-butyl ether to ItIt 1 00 ND " <br /> Methyl tert-butyl ether 1. 0. „ 100 ND <br /> Surrogate Dibromofluoromethane ” " IF <br /> 860-118 104 % <br /> Surrogate 1,1-Dichloroethane-d4 11 to800-120 976 to <br /> Surrogate Toluene-d8 of IF880-110 105 IF <br /> Surrogate 4-Bromofluorobenzene 86 0-115 <br /> uoia Analytical-Petaluma 'Refer to end of report for text of notes and definitions <br /> Page 9 of 22 <br />