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F � SYGE0 INCORPORATED �+ ENGEO Incorporated has performed a Phase One Environmental Site Assessment in general conformance with the scope and limitations of ASTM 1527-00 and our proposal dated July 27, -, 2005. Based on the findings of the assessment,we observed one REC connected with past use of r the Property and one REC connected with the past use of a neighboring property. r , ! /1. Environmental Data Resources Inc. (EDR) performed a search of local, state, and federal agency databases regarding the Property and known contaminated sites in the immediate k vicinity. The EDR lists one site within 114-mile to 1/2-mile SSW from the Property that is the listed location of a Jackpot Food Mart. This site is located adjacent to the north side of the k Property, at 14,000 East Highway 88. Currently there is a Shell Gas Station at this address. The site status is listed as undergoing a remediation plan. The site has leaked gasoline from an underground tank, and has affected the drinking water aquifer. MTBE has been detected in the aquifer. There are ten monitoring wells installed at the site for monitoring. The depth to water is recorded at between 70 and 93 feet below ground surface. The lead agency for the site is someone with the initiala HAR at San Joaquin County. James Barton with Region 5 of the } Central Valley Regional Water Quality Control Board has oversight of the Property. We recommend that the lead agency be contacted to determine the groundwater flow direction in the vicinity of the Property, and to confirm the status of the Jackpot Foodmart site. F1 } /2. We observed that the property is currently vacant, and has been tilled. The aerial photographs Fi I show that the Property consisted of vineyards in 1957 and possibly to 1984. in 1968, the topographic quadrangle maps the Property is mapped as vineyard. By 1990, the Property is mapped as vacant land. We interviewed Barbara Huckstead, who is a former District Inspector in the Agricultural Commissioner's Office in Lodi. Barbara has knowledge of pesticide use and F1 types of crops grown in the Lockeford area. She reviewed the map of the Property and F j informed us that the Property was indeed occupied by vineyards. Ms. Huckstead listed several � ' r types of herbicides that may have been used on the Property. We recommend that shallow soil samples be collected for analytical testing to determine the extent of pesticide and herbicide impacts to the surface soil of the Property. a 6917.1.001.01 October 25, 2005 20 fi '