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I <br />' CASTLE ANALYTICAL LABORATORY <br />' Environmental Testing Services 2333 Shuttle Drive,Atwater CA 95301 Phone (209)384-2930 <br /> Certificate No 2480 Fax (209)384-1507 <br /> F <br /> anced GeoEnvironmental, Inc Client Protect ID Cal Fuels Sampled 09-23-03 <br /> orthern California Reference Number 6143 Received 09-25-03 <br /> Shaw Road Sample Description Water Extracted 10-01-03 <br /> kton CA 95215 Sample Prep/Analysis Method EPA 5030/8260 Analyzed 10-01-03 <br /> Tim Cuellar Lab Numbers 6143-1W, 2W, 3W 4W 5W Reported 10-08-03 <br /> 1 <br /> GASOLINE ADDITIVES AND SOLVENTS BY EPA METHOD 8260 GCIMS <br /> ANALYTE REPORTING SAMPLE ID SAMPLE ID SAMPLE ID SAMPLE ID SAMPLE ID <br /> LIMIT MW 1 MW 2 MW 3 MW 4 MW 5 <br /> 092303 092303 092303 092303 092303 <br /> ( /L) (u IL) (u IL) (u /L) u IL u IL) <br /> I FUEL OXYGENATES <br /> Methyl tert-Butyl Ether(MTBE) 050 ND ND ND 1 6 ND <br /> Di-isopropyl Ether (DIPS) 0,50 ND ND ND ND ND <br /> Ethyl tert-Butyl Ether (ETBE) 050 NO ND ND ND ND <br /> tert-Amyl Methyl Ether(TAME) 0 50 ND ND ND NO ND <br /> tert-Butanol(TBA) 20 ND ND ND ND ND <br /> VOLATILE HALOC RBONS <br /> 1 2-Dichioroethane (1 2-DCA) 050 ND ND 1 9 069 063 <br /> Ethyiene D�bromide (EDB) 0 50 ND NO ND ND ND <br /> Report Limit Multiplication Factor 1 1 1 1 1 <br /> Surrogate Recoveries <br /> 1,2-Dichloroethane-d4 109% 981% 972% 871% 915% <br /> Toluene-d8 892% 970% 71 1% 101% 935% <br /> Instrument ID HP 5972 MS <br /> Analytes reported as ND were not detected or below the Practical Quantitation Limit <br /> I Practical Quantitation Limit=Reporting Limit x Report Limit Multiplication Factor <br /> i1 (dig/L) = micrograms per liter or p er billion (ppb) <br /> Ir ,� S <br /> ANALYST / APPROVED 8Y dr <br /> Clai!J Cone JqWes C Phillips <br /> boratory Director <br />