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Report offindings of Soil Sampling and Analysis Page 3 2216 STEWART STREET August 13,2008 WKA No. 8214.01 Field Activities Prior to drilling activities, the soil boring locations were marked with white paint and Underground Service Alert(USA)was notified to obtain utilities clearance and a permit was obtained from SJCEHD. On August 1, 2008, V &W Drilling advanced soil borings D1, D2, and D3 to approximate depths of 7-1/2 feet below ground surface (bgs)to 16 feet bgs beneath the former 5,000-gallon underground storage tank(UST) and former associated fuel dispenser using a truck- mounted direct-push technology Geoprobe®drill rig(Figure 2). The borings were advanced under the direct supervision of field personnel from WKA. Soil boring D1 was advanced to an approximate depth of 7-1/2 feet bgs beneath the former fuel dispenser. Soil borings D2 and D3 were advanced to approximately 2 to 3 feet bgs before encountering a concrete slab. The borings were then advanced at 20-degree angles off of vertical approximately to the south of the original sample locations to approximate depths of 16 feet bgs from vertical beneath the fill and opposite ends of the former UST. Soil cuttings from the borings were screened in the field for volatile organic compounds (VOCs) and petroleum hydrocarbons using a photoionization detector(PID). Soil samples D1-1, D2-1, and D34 were retained for chemical analysis. Soil samples were obtained from the boring at depths ranging from 6 to 16 feet bgs. The samples were obtained using 2-inch diameter MacroCores® and logged in the field using the Unified Soil Classification System(USCS). The borings were backfilled to surface grade with neat cement slurry. Mr. Harlan Knolls of SJCEHD performed the grout inspection. The soil samples were sealed with plastic end caps and immediately placed in an ice chest containing ice and submitted under chain-of custody documentation to Kiff Analytical LLC for chemical analysis of Methyl-t-butyl ether(MtBE) using EPA Method 8260B. Findings Subsurface soil encountered during drilling and sampling activities consisted primarily of moist, brown, silty sand with clay and sandy clayey silt. Petroleum hydrocarbon odoriferous/stained soil was not encountered during drilling and sampling activities. PID readings taken of soil vapor did not reveal detectable concentrations of VOCs and petroleum hydrocarbons. Groundwater was not encountered during drilling and sampling activities.