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4 5 y m Page 3 San Joaquin County November 6, 2008 Project Number 99008-008321.03 • Task 2: Conduct a geophysical survey to locate possible USTs and hydraulic lifts located on the subject property and collect soil, grab-groundwater, and soil vapor samples • Task 3: Submit grab-groundwater, soil and soil vapor samples to an accredited laboratory for analytical testing • Task 4: Prepare a report documenting the findings TASK 1: PRE-FIELD ACTIVITIES Bureau Veritas will submit a workplan and obtain appropriate drilling permits, as required by San Joaquin County Environmental Health Department(SJCEHD). 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 maintained 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 contact Underground Service Alert (USA)at least 48 hours prior to drilling, as required by law. TASK 2: FIELD ACTIVITIES Bureau Veritas will retain a professional geophysical firm to conduct a geophysical survey in an approximate 75 foot by 75 foot area at the eastern third of the subject property. The geophysical survey will include the use of a magnetometer, ground penetrating radar and electromagnetic line locating methods to investigate for potential USTs, clarifiers, in-ground hydraulic lifts and buried metallic objects. The actual use of each instrument will be dependent upon access and specific site conditions. The locations of all detected subsurface features will be marked on the ground surface as well as documented on a scaled site plan. The field survey will be conducted by a California Professional Geophysicist. The results of the geophysical survey will be summarized in a report with appropriate site map and magnetic contour map. In addition, the geophysical contractor will locate and clear the proposed boring location work areas of underground utilities. Upon clearance of utilities, Bureau Veritas will contract with a licensed C-57 drilling contractor to complete the proposed LSI. Bureau Veritas proposes to advance a total of six soil borings (BV-1 through BV-6) with truck-mounted direct-push (Geoprobe) equipment(Figure 1). The borings are proposed to be advanced to a maximum depth of approximately 30 feet below ground surface (bgs) to collect soil, grab- groundwater, and soil vapor samples as follows: SAESTROJECTS\3-Chicago[99](15-16)\Walgreen Reports\99008-008321.01 StocktonTMorkplan.doc