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Phase II Site Assessment Work Plan Former LODI DODGE 2 West Lockeford Street, Lodi, California 1.0. INTRODUCTION At the request of Mr. Bruce Viel of Viel Truck and Equipment,Advanced GeoEnvironmental, Inc. (AGE)has prepared this Phase II Site Assessment Work Plan for the property at 2 West Lockeford Street, Lodi, California (the site). The work is being performed as part of a due diligence for a property transfer. The location of the site is illustrated on Figure 1. A plan of the site is illustrated on Figure 2. This workplan is prepared as required by the San Joaquin County Environmental Health Department (EHD) for the procurement of a soil boring permit, and is in accordance with Appendix A to Tri- Regional Recommendations - Reporting, dated 30 August 1991, prepared by the Central Valley Regional Water Quality Control Board(Appendix A-Reports)for the investigation of underground storage tank(UST) sites. 2.0. BACKGROUND The site is located at 2 West Lockeford Street at the intersection with North Sacramento Street,city of Lodi, San Joaquin County, California, in an area of mixed commercial, light industrial and residential use. The site was formerly occupied by the Lodi Dodge-Chrysler-Plymouth, an automobile sales and service establishment. The property comprises of five parcels, four of which are contiguous and located on the south side of West Lockeford Street while the fifth is located on the north side of West Lockeford Street (Figure 2). 2.1. REGIONAL GEOLOGIC/HYDROGEOLOGIC SETTING The site is located within the northern San Joaquin Valley which comprises part of the Great Valley geomorphic province of California. The San Joaquin Valley is formed by the Great Valley geosyncline, which is a large, elongate,northwest-trending asymmetrical structural trough(basin). It is bordered by the Coast Ranges to the west, the Klamath Mountains and Cascade Range to the north,and the Sierra Nevada to the east. This trough has been filled with sediments derived from both marine and continental sources. Thickness of the sedimentary fill ranges from thin veneers along the valley edges to more than 20,000 feet in the south central portion of the valley. The sedimentary formations range in age with the older deposits being primarily marine in origin and the younger deposits being primarily continental. Continental-derived sediments were primarily deposited in lacustrine,fluvial,and alluvial environments with sediment sources being the mountain ranges surrounding the valley(Olmsted and Davis, 1961).The site is located on unconsolidated and semi-consolidated alluvium,lake,playa and terrace deposits of Quaternary age(California Division of Mines and Geology, 1977). Advanced Geo Environmental,Inc.