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SEQUOIA ANAWTICAL <br /> 19pp Dates Avenue Suite LM • Concord.California 94520 <br /> (510)686.9066 FAX 15101686-9689 <br /> Sampled Sep 9. 1991 <br /> M Client Project ID: Catellus Stockton#1221.07 Received: Sep 10, 1991 <br /> ERM•INest(Sacramento) Matrix Descript: Water Analyzed: Sep 13, 1991 <br /> 2001 P Street,Suite 200 Analysis Method:' EPA 5030/8015/8020 Reported: Sep 27, 1991 <br /> Sacramento,CA 95814 109-0778 AD <br /> dler <br /> First Sample# <br /> Attention. Shannon Sa <br /> X DiSTiNCT1ON (EPA 8015/8020) <br /> TOTAL PETROLEUM FUEL HYDROCARBONS With BTE <br /> Ethyl <br /> Sample Sample Low/Medium B.P. Toluene Benzene Xylenes <br /> Number Uescription Hydrocarbons Benzene pg/L p9/L pg/L <br /> (ppb) (ppb) (ppb) (PPb) (ppb) <br /> 10,000 1,900 540 <br /> 650 1,700 <br /> '-' 109-0778 AB Mw-5 <br /> 6,000 60 <br /> 60 60 =60 <br /> =Detections: <br /> factors <br />—— — -- — <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline stands d. <br /> Analytes reported as N.O.were not present above the stated limit of detection:Because matrix effects and/or other <br /> required additional sample dilution,detection limits for this sample have been raised. <br /> SEQUOIA ANALYTIC <br /> --- to9p775.ERS <3> <br /> Ju'a .Materstein <br /> Pr ject Manager <br /> 4ittlllillf191=JEW <br />