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a� <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(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)9Z1-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)79Z-0342 <br /> Cambria Environmental Project Shell Oil Co Sampled 1/14/99 to 1/15199 <br /> 270 Perkins St Project Number 880 Victor Rd-Lodi Received 1/18199 <br /> Sonoma,CA 95476 Project Manager Aubrey Cool Reported 1128/99 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Lirruts Limit Result Units Notes* <br /> SB-4-50 0' P901240-38 Sail <br /> Tert-amyl methyl ether 9010346 1/20/99 1120/99 25 0 ND ug/kg <br /> Tert-butyl alcohol 500 ND <br /> Dl-isopropyl ether 25 0 ND <br /> 1,2-Dibromoethane(EDB) 25 0 ND <br /> 1,2-Drchloroethane 250 ND <br /> Ethanol 1000 ND " <br /> Ethyl tert-butyl ether 250 ND <br /> Methyl tert-butyl ether 250 507 <br /> Surrogate Dibromofluoromethane to800-120 872 <br /> Surrogate 1 2-Drchloroethane-d4 800-120 842 " <br /> Surrogate Toluene-d8 81 0-117 852 " <br /> Surrogate 4-Bromofluorobenzene or 740-121 868 " <br /> P901240-39 Water <br /> 9-amyl methyl ether 9010401 1/25/99 1/25/99 250 ND ug/1 <br /> Tert-butyl alcohol 5000 ND <br /> Di-isopropyl ether 250 ND <br /> Ethyl tert-butyl ether 250 ND <br /> Methyl Cert-butyl ether 250 8050 " <br /> Surrogate Dibromofluoromethane " 860-118 109 <br /> Surrogate 12-Dichloroethane-d4 800-120 115 % <br /> Surrogate Toluene-d8 880-110 106 <br /> Surrogate 4-Bromofluorobenzene 860-115 113 <br /> SB-4-60 0' P901240-41 Soil <br /> Tert-amyl methyl ether 9010346 1120/99 1/20/99 25 0 ND ug/kg <br /> Tert-butyl alcohol 500 ND <br /> Di-isopropyl ether 25 0 ND <br /> 1,2-Dibromoethane(EDS) 25 0 ND <br /> 1,2-Dichloroethane 25 0 ND <br /> Ethanol 1000 ND " <br /> Ethyl tert-butyl ether 25 0 ND " <br /> Methyl tert-butyl etber 25 0 459 " <br /> Surrogate Drbrornofluoromethane 800-120 876 <br /> Surrogate 12-Drchloroethane-d4 of of 800-120 85 2 01 <br /> Surrogate Toluene-d8 " If810-117 846 <br /> Surrogate 4-Bromofluorobenzene Or <br /> to 740-121 864 " <br /> SB-5-25 0 P901240-46 Soil <br /> Tert-amyl methyl ether 9010346 1/20/99 1120199 25 0 ND ug/kg <br /> 0butyl alcohol 500 ND " <br /> Sequoia Analytical -Petaluma *Refer to end of report Jar text of notes and definitions <br /> Page 10 of 20 <br />