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• e'u ve • San Joaquin County s Page 2 Environmental Health Department June 9, 2008 Project Number 99008-008073.03 Based on the above finding, Bureau Veritas recommended further investigation of the subject property to assess the identified REC. It is Bureau Veritas' understanding that this real estate transaction involves a ground lease and that Evergreen Devco, Inc. is not purchasing the property. Based on this information, a limited subsurface investigation is recommended to evaluate the potential for soil, groundwater, and soil vapor impact at the subject property, which could affect occupancy and redevelopment activities. 2.0 PROPOSED SCOPE OF WORK The proposed scope of work will consist of the following tasks: • Task 1: Conduct pre-field activities • Task 2: Conduct a limited subsurface investigation to collect soil, groundwater, and soil vapor samples • Task 3: Submit soil, groundwater, and soil vapor samples to a fixed laboratory for analytical testing • Task 4: Prepare a report documenting the findings Task 1: Pre-Field Activities Bureau Veritas has prepared this workplan for submittal to the San Joaquin County Environmental Health Department(EHD) as part of the Well Permit Application process. Bureau Veritas understands that it typically takes up to five business days for approval of the permit application upon receipt of the application and fees. Bureau Veritas will not commence drilling without approval and receipt of a permit. Upon receipt of the approved permit, we will notify EHD at least 48 hours prior to the scheduled drilling, as required. Bureau Veritas will complete a Site Health and Safety Plan (SHSP) for the work proposed at the subject property in accordance with the requirements of the State of California General Industry Safety Order (GISO) 5192 and Title 29 of the Code of Federal Regulations, Section 1910.120 (29 CFR 1910.120). A copy of the SHSP will be kept onsite during field activities. The SHSP will detail the work to be performed, safety precautions, emergency response procedures, nearest hospital information, and onsite personnel responsible for managing emergency situations. Bureau Veritas will mark proposed boring locations in white paint and or flagging and contact Underground Service Alert (USA) at least 48 hours prior to drilling, as required by law. Prior to any drilling activities, Bureau Veritas will contract and oversee a professional utility locating service to locate and clear the work area of underground utilities. Task 2: Subsurface Investigation Upon clearance of utilities, Bureau Veritas will contract with a licensed C-57 drilling contractor to complete the proposed soil borings. Bureau Veritas proposes to advance a total of three(3) soil borings(BV-1 through BV-3)with truck- mounted direct-push (Geoprobe)equipment at the locations shown on the attached Figure 1. The borings are proposed to be advanced to a maximum depth of approximately 20 feet below ground surface (bgs), or first encountered groundwater to collect soil, groundwater, and soil vapor samples as follows: S9ESTROJECTSt9-Chicago[99](15.16)@008106073 SlocktonWhase 2\080447 Mplan SJCo.doc