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i <br /> 1. 0 INTRODUCTION <br /> This workplan has been prepared by ETS Environmental for <br /> EZ Gas and Minimsrt located at 1405 Main Street in Escalon, <br /> California. This workplan represents ETS' professional <br /> opinion as to the amount of work necessary at this time to <br /> complete the definition of the site as discussed with <br /> r representatives cif the San Joaquin Local Health District. <br /> 1. 1 SITE DESCRIPTION <br /> The site is located at 1405 Main Street in Escalon, <br /> California. A small convenience store and two fuel <br /> dispensing islands are currently being operated there. <br /> The fuel dispensing islands are supplied by three <br /> r underground fuel storage tanks as shown on Figure 1-1. The <br /> I <br /> most recent tank test results indicate that the tanks are riot <br /> F`• leaking. <br /> In November, 1985, a tank test indicated that the diesel <br /> product line at the northwest end of island #1 was damaged <br /> (Figure 1-1 ) . The line was repaired at that time. No sail <br /> samples were cal4 ected from the damaged product line area. <br /> 1. 2 PREVIOUS WORK <br /> Six soil borings were drilled at the site on June 26, <br /> 1988 in the vicinity of three underground storage tanks and <br /> C one additional boring was drilled on August 26, 1988. The <br /> locations of the soil borings are indicated on Figure 1-1. <br /> Sail sample's were analyzed for TPH anD Results of <br /> C the sampling are tabled below. <br /> Baring# - Depth Benzene Toluene Xylen TRH (G or D) <br /> I - 5, 10 ND ND ND ND (D) <br /> 1 - 15 ND ND ND ND (D) <br /> 2 - 5, 10 ND ND ND ND (D) ! <br /> 2 - 15 ND ND ND ND (D) <br /> 3 - 5, 10 ND ND ND ND (G) <br /> 3 - 15 ND ND ND ND (G) <br /> 4 - 5, 10 ND ND ND ND (G) <br /> 4 - 15 ND ND ND ND (G) <br /> 5 - 5, 10 ND ND ND ND (G) <br /> 5 -- 15 ND ND N ND (G) ' <br /> mrd I <br />