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Morita Brothers Service Station 9 November 6, 1992 TABLE-3-SUMMARY OF LABORATORY ANALYTICAL DATA values in milli rams per kilo am ' Sam 1e No Depth TPPH Benzene Toluene F- hyl- Total Total Soluble Gasoline benzene Xylenes Lead Lead TH-1 25' ND 0 025 ND ND ND 19 0 ND T H-1 30, ND 0 019 ND ND ND T H-1 35' ND 0 018 ND ND ND 19 0 ND TH-1 40' 0 54 0 16 ND ND 0 032 ' TH-1 45' ND 0 008 ND ND ND TH-1 50' ND 0 021 ND ND ND T H-1 55, ND ND ND ND ND ' TH-2 20' ND ND ND ND ND 19 0 ND TH-2 30' ND 0 11 0 009 0 005 0 02 20 0 ND TH-2 45' ND 0 008 ND ND ND ' TH-2 50' ND ND ND ND ND TH-3 15' ND ND ND ND ND TH-3 25' ND 0 11 0 012 0 021 0 015 ' TH-3 35' 0 81 0 29 0 036 ND 0 042 TH-3 45' ND 0 031 0 009 ND ND TH-3 5 0' ND 0 02 0 014 ND ND TH-4 20' ND 0 021 0 01 ND ND TH-4 30' 5 85 *1 0 *1 3 0 16 0 86 TH-4 40' ND 0 052 0 041 ND 0 017 TH-4 45' ND 0 1 0 097 0 007 0 031 TH-5 30' ND 0 03 ND ND ND TH-5 40' ND 0 005 ND ND ND T H-5 45' ND ND ND ND ND T H-6 20' ND ND ND ND ND TH-6 35' ND 0 029 ND ND ND TH-6 40' ND 0 066 ND ND ND T H-6 45' ND ND ND ND ND TH-7 25' ND ND ND ND ND TH-7 30' ND 0 008 0 007 ND ND ' T H-7 35' ND ND ND ND ND A L NA 10 0 3 0 3 1 0 1 1 0 1,000 5 0 MRL NA 0 05 0 005 0 005 0 005 0 005 0 025 0 5 1 ND None Detected at or above minimum reporting level (MRL) NA Not Applicable * exceeds current recommended guidelines ' A L Regional Water Quality Control Board recommended guidelines for concentrations in soil Recommended guidelines were calculated using the LUFT methodology by multiplying the most stringent current federal or state water quality standards by a factor of 100 to account for attenuation due to soil composition and distance from groundwater EB-8101-3 9210-EO55 RPT