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Kroeker Environmental Services <br />August 27, 1992 <br />TL 392-0003-07 <br />Page 3 <br />TESTING PROCEDURES <br />The soil i samples were analyzed for total petroleum <br />hydrocarbons -gaso1ine,using the gas chromatography/ flame ionization <br />detection method'!,and for benzene, toluene, ethylbenzene,.and <br />xylenes using U. S. EPA method 5030/8020. <br />SUMMARY OF OBSERVATIONS AND ANALYTICAL RESULTS' <br />Observations revealed that the UST was rusted. There were no <br />apparent holes observed in the UST. Atter removal of the UST, no <br />discoloration of the soil was noted in the excavation. No <br />hydrocarbon odor was noted from the excavation. <br />The UST's product contents .and dimensions are summarized in <br />Table 1. Analytical results of the soil sample analyses are <br />summarized in Table 2. <br />TABLE 1 <br />PRODUCT CONTENTS AND TANK DIMENSIONS <br />TANK DIAMETER, <br />NUMBER CONTENTS FEET <br />T-1 Gasoline 4.0 <br />(1) Approximate <br />(2) Depth of bottom of tank below site grade <br />LENGTH, VOLUME, DEPTH, <br />FEET' GALLONS (1) FEET (2) <br />12.0 1,000 1 8 <br />Fresno Modesto Visalia Bakersfield <br />