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Table 3 <br /> Groundwater Analytical Results <br /> Chevron Service Station#9-0557 <br /> 139 South Center Street <br /> Stockton,California . <br /> WELL ID . DATE TPH-D TPH-MO <br /> (Phb1 (Ppb) <br /> MW-11 10101-02/01 89 <400 <br /> 01130-31102 170 <1,000 <br /> 03/12/021 65 <K'000 <br /> 04/15-16102 <50 <1,000 <br /> 05/10/02' -- -- <br /> 06/05/023 <50 <400 <br /> 07/15/02 <50 <400 <br /> 08/12/023 <50 <400 ; <br /> 10/18/02 <50 <400 I4 <br /> 01/03-04103 1405 <400 <br /> DESTROYED <br /> MW-12 10/01-02/0) 82 <200 <br /> 01130-31102 <50 <1,000 <br /> 04/15-16/02 INACCESSIBLE-DUE TO DEBRIS COVERING WELL <br /> 07/15/02 <50 <400 <br /> 10/18/02 <50 <800 <br /> 01/03-04103 774 <400 <br /> DESTROYED <br /> MW-13 07/15/02 <50 <400 <br /> 10/18/02 <50 - --400 <br /> 01/03-04/03 <50 <400 <br /> 04/04/03 1102 170 <br /> EXPLANATIONS: <br /> TPH-D=Total Petoleum Hydrocarbons as Diesel <br /> TPH-MO=Total Petoleum Hydrocarbons as Motor Oil <br /> (ppb)=Parts per billion <br /> ' Data provided by Secor International,Inc, Samples were collected prior to initiation of ozone sparging(baseline samples). <br /> Wells were not purged prior to collection of samples. <br /> 2 Laboratory report indicates the observed sample pattern is not typical of diesel/#}2 fuel oil. <br /> 3 Data provided by Secor International,Inc. Wells were not purged prior to collection of samples. <br /> 4 Laboratory report indicates a portion of the TPH-D result is from non-petroleum organic material. <br /> Laboratory report indicates a significant amount of the TPH-D result is from non-petroleum organic material <br /> 6 Laboratory report indicates the hold time had expired prior to the reextraction so all results are reported from the original . <br /> extract.The result from the recxtraction was 110 ppb. <br /> 9-0557.xls!#i386843 30 As of 04/04/03 <br />