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Kennedy;Jenks Consultants 2 2 2 1 Stanislaus Repair Facility ' Soil Boring SB-1 was installed adjacent to the sump Chemicals of concern included petroleum hydrocarbons (PHCs), VOCs, and metals Soil Boring SB-2 was installed ' adjacent to the former gas dispenser, and Boring SB-7 was installed at the approximate location of the two former USTs Chemicals of concern at Soil Borings S13-2 and SB-7 included PHCs, benzene, toluene, ethylbenzene, and total xylenes (BTEX), and total lead 2 2 2 2 American Street USTs Soil Boring SB-4 was installed adjacent to the northern most American Street UST ' Originally one soil boring was to be installed at this location, based on the UST locations shown on the 1950 Sanborn map However, since the geophysical survey indicated that the USTs were approximately 15 feet apart, an additional soil boring (SB-11) was installed adjacent to the southern American Street UST Chemicals of concern included PHCs, BTEX, VOCs and total lead i 2 2 2 3 Cunningham Repair Facility ' Soil Boring SB-5 was installed adjacent to the sump, and Sod Boring SB-6 was installed adjacent to the service pit Chemicals of concern at both locations were PHCs ' 2 2 2 4 Cunningham Hotel UST Soil Boring SB-3 was installed adjacent to the UST Chemicals of concern included PHCs and VOCs Spectrum Exploration Inc (Spectrum) of Stockton, California performed the drilling activities at the Site on 26 and 27 September 1996, using a direct-push method American Environmental Network (AEN) of Pleasant Hill, California, a California certified laboratory, performed the laboratory analyses on the soil samples collected from the borings The ' laboratory analyses performed on the soil samples are summarized in Table 1 2 2 3 Reconnaissance Groundwater Samplinci ' Three Borings (SB-8, SB-9, and SB-10) were drilled to collect reconnaissance groundwater samples for analysis The reconnaissance groundwater samples were collected in ' accordance with the procedures presented in the Work Plan (K/J 1996b) The boring logs for Borings SB-8 through SB-10 are presented in Appendix C The locations of Bonngs SB-8, SB-9, and SB-10 are shown on Figure 1 The purpose of each boring is described below • Sod Boring SB-8 was installed at the southwestem comer of the Site to assess the quality of the shallow groundwater at the upgradient boundary + Sod Borings SB-9 and SB-10 were installed at the presumed downgradient boundary (north, northeast) of the subject property The purpose of Soil Borings SB-9 and SB-10 was to assess the quality of the shallow groundwater leaving the Site downgradient of potential onsite source areas i yob1961 M70 00whase-4iW)ttdcc 4