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• 28 July 2003 AGE-NC Project No 03-1038 Page 2 of 5 • The Carando site has been utilized for industrial purposes for at least 40 years The 1895 map indicates two small structures on the property,possibly garages for the neighboring dwelling, the name on the larger structure is not legible A small machine shop, located on the northeast portion of the property, and the Banner Island Boat Works, located on the southwest corner of the property, are indicated on the 1917 map • On the 1950 map, the area formerly occupied by the Banner Island Boat Works, as listed on the 1917 map, is now occupied by a machine shop The building listed on the 1917 map as a machine shop is still present,but the name is not legible • On the 1950 map, the north portion of the Carando site is listed as having a small service station with "gas and oils", subsequent interviews with current property owners indicated that a Richfield gasoline station was present at the site until the early 1960s It is not known whether the USTs used at the site were remove,the area formerly occupied by the Richfield Service Station has been developed as the office area for Carando Machine Works • A dwelling is listed on the present-day City of Stockton parking lot property on the 1895 and 1917 maps On the 1950 map, an electrical shop with motor repair is listed on this property The 1972 map lists the property as "parking" BORING ADVANCEMENT AND SAMPLE COLLECTION On 27 June and 03 July 2003, eight soil probe borings (13-1 through B-8)were advanced at the site as part of assessment activities The field work was conducted as outlined in the AGE-prepared, Phase II Site Assessment Work Plan, dated 12 June 2003 Soil probe borings B-1 through B-8 were advanced utilizing a truck-mounted Geoprobe 5400, equipped with 1 25-mch diameter probe rods with an attached 15-inch diameter soil sampler,using "direct push"technology The borings were advanced vertically to ground water,approximately 20- 25 feet below surface grade (bsg) for collection of soil samples and grab ground water samples Soil samples were collected at 5-foot intervals beginning at 5 feet bsg to total depth of each boring Each sample was collected utilizing a 1 5-inch Geoprobe soil sampling assembly loaded with four six-inch brass sleeves After collection,the ends of a selected 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 In addition to sample preparation soil from one of the three remaining sleeves was field-screened for the presence of volatile organic compounds using an photo ionization detector(PID) • Grab ground water samples were collected from probe borings B-1 through B-4 and B-6 through B-8 using a temporary PVC screen The probe rods were advanced to a depth approximately four feet Advanced GenCnnronmensat,I"