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Sequoia 1455 McDowell Blvd North Ste D <br /> Petaluma,CA 94954 <br /> iWOFAnalytical `707)792-186$ <br /> FAX(707)792-0342 <br /> 0 <br /> Cambria Environmental Project Equtva 10d Sampled 12/15/99 <br /> 270 Perkins St Project Number 2494 Fremont St,Stockton,Ca Received 12/16/99 <br /> Sonoma,CA 95476 Project Manager Bob Perlowski Reported 117100 <br /> V6latile argantc'Coiripouuds'b EPA-Metliod-8260BIQu�altty Controls ig" 3 <br /> q <br /> X <br /> r~r 'Sequoia Analytical I Pet'alutna <br /> Date Spike Sample QC Reporting Lirmt Recov RPD RPD <br /> Analyte Analyzed Level Result Result Chits Recov Limits % i unit % Notes* <br /> Matnx Spike(continued) 9120588-MS1 P912425-02 <br /> Surrogate 1,2-Dichloroethane-d4 12127/99 00577 00561 M91k9 800-120 972 <br /> Surrogate Toluene-d8 " 00577 00578 to 810-117 100 <br /> Matrix Spike Duo 9120588-MSD1 P912425-02 <br /> Metbyl tert-butyl ether 12/27/99 00571 ND 00610 mg/kg 758-124 107 350 381 <br /> Surrogate Dibromofluoromethane 00571 00624 800-120 109 <br /> Surrogate 12-Dtchloroethane-d4 00571 00611 800-120 107 <br /> Surrogate Toluene-d8 00571 00586 810-117 103 <br /> Batch 9120649 Date Prepared 12/28/99 Extraction Method EPA 5030 soils McOH <br /> Blank 9120649-BLKI <br /> Tert-amyl methyl ether 12/28/99 ND mg/kg 100 <br /> Tert-butyl alcohol ND 200 <br /> Di-isopropyl ether ND 100 <br /> 1,2-Dibromoethane(EDB) ND 1 00 <br /> 1,2-Dtchloroethane ND 1 00 is <br /> Ethanol ND 400 <br /> Ethyl tert-butyl ether ND 1 00 <br /> Methyl tert-butyl ether ND 100 <br /> Surrogate Dibromofluoromethane 11200 189 800-120 945 <br /> Surrogate 12-Dichloroethane-d4 to 200 184 800-120 920 <br /> Surrogate Toluene-d8 It200 218 to810-117 109 <br /> LCS 9120649-BSI <br /> Methyl tert-butyl ether 12/28/99 200 197 mg/kg 75 8-124 985 <br /> Surrogate Dibromofluoromethane 11200 191 " 800-120 955 <br /> Surrogate 1,2-Dtchloroethane-d4 " 200 189 00 800-120 945 <br /> Surrogate Toluene-d8 200 197 11810-117 985 <br /> Matnx Spike 9120649-MS1 P912452-09 <br /> Methyl tert-butyl ether 12/28/99 200 ND 193 mg/kg 758-124 965 <br /> Surrogate Dibromofluoromethane to 200 180 or 800-120 900 <br /> Surrogate 1,2-Dtchloroethane-d4 " 200 165 800-120 825 <br /> Surrogate Toluene-d8 to 200 204 810-117 102 <br /> Matrix Spike Dup 9120649-MSD1 P912452-09 <br /> Methyl tert-butyl ether 12/28/99 2 00 ND 194 mg/kg 758-124 970 350 0 517 <br /> Surrogate Dibromofluoromethane to 200 176 If800-120 880 <br /> Surrogate 12-Dtchloroethane-d4 11200 161 800-120 805 <br /> Surrogate Toluene-d8 to200 199 If810-117 995 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and defrate <br /> Page 13 of 16 <br />