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04 June 2008 AGE-NC Project No. 08-1605 Page 2 of 4 regional slope of the area is towards the southwest. Prominent features on the site, including soil probe boring locations, are depicted in Figure 2. DRILLING AND SAMPLE COLLECTION On 20 March 2008,three soil probe borings(B-1,B-2 and B-3)were advanced at the site as part of assessment activities. Soil probe borings B-1 through B-3 were advanced utilizing a truck-mounted Geoprobe 5400, equipped with 1.125-inch diameter probe rods with an attached 2.15-inch diameter soil sampler, using"direct push"technology. Boring B-1 was advanced to a depth of 54 feet below surface grade (bsg); boring B-2 was advanced to a depth of 30 feet bsg; and boring B-3 was advanced to a depth of 57 feet bsg. Borings B-1 and B-3 were advanced until refusal was encountered. Soil samples were collected from borings B-1 through B-3 at the following depths: • At 5-foot intervals beginning at 5 feet bsg to 45 feet bsg in boring B-1; • At 10-foot intervals beginning at 10 feet bsg to 30 feet (total depth) in boring B-2; and • At 10, 20, 30 and 50 feet bsg in boring B-3. Each soil sample was collected utilizing a 1.125-inch Geoprobe soil sampling assembly loaded with four six-inch brass sleeves. After collection,the ends of the second brass sleeve were covered with Teflon sheets,capped and sealed with tape. The sleeve was labeled with soil probe boring location, depth, time, date and sampler's initials and then placed in a chilled container. Subsequently, the soil from one or more of the three remaining sleeves was field-screened for the presence of volatile organic compounds using an organic vapor meter (OVM) and were visually described on boring logs in accordance with the Unified Soil Classification System (USCS). AGE attempted to collect grab ground water samples from borings B-1 and B-3, however, ground water was not present in the soil boring trace and ground water sample could not be collected. All probe-boring locations were backfilled to surface grade with Portland cement. EQUIPMENT DECONTAMINATION Prior to sample collection, Geoprobe soil sampling equipment was thoroughly rinsed with clean Advanced GeoEnvironmental,Inc.