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Phase II Site Assessment Work Plan ROBERTS METALS, INC. 1803 South Stockton Street, Lodi, California 1.0. INTRODUCTION At the request of Mr.Bill Maxwell of Maxwell Properties,Advanced GeoEnvironmental,Inc. (AGE) has prepared the this Phase H Site Assessment Work Plan for the property at 1803 South Stockton Street, Lodi, California(the site). The location of the site is illustrated on Figure 1. A plan of the site is illustrated on Figure 2. This work plan is prepared as required by the San Joaquin County Public Health Services - Environmental Health Division(PHS-EHD) for the procurement of a soil boring permit. The work is being performed to assess for possible environmental concerns associated with the property. The work plan is prepared 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 1803 South Stockton Street,in the city of Lodi, San Joaquin County,California. The site is located in a light commercial/industrial area of South Lodi (Figure 1). The property is comprised of a single parcel and is currently occupied by Roberts Metals, Inc. (Figure 2). 2.1. GROUND WATER DEPTH AND FLOW DIRECTION The estimated depth to ground water at the subject property is approximately 65 feet bsg, based on the map titled Lines of Equal Depth to Groundwater, Fall 1998 published by the San Joaquin County Flood Control District and Water Conservation District (FCD&WCD) It is inferred from the map titled Lines of Equal Elevation of Groundwater, Fall 1998, also published by the FCD&WCD, that groundwater elevation at the subject property is approximately 20 feet below mean sea level and that the local groundwater flow is toward the southeast on the subject property, but this may be greatly modified by local recharge and discharge patterns. 3.0. SCOPE OF WORK AGE proposes to collect soil samples to assess for total recoverable petroleum hydrocarbons(TRPH) and halogenated volatile organic compounds (HVOC) in the soil beneath the site. The phase 11 site assessment will consist of the following tasks: • Permitting and pre-field work activities; Advanced GeoEnvironmental,Inc.