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w I <br /> The detection of petroleum hydrocarbons in sample SS-AB coincides with field observations and <br /> a PID measurement made during collection of the soil sample from the test pit in grid box A <br /> (Figure 3). A petroleum odor and a PID measurement of 43 ppm were observed from the soil in <br /> the test pit. <br /> Cadmium, chromium, lead, nickel and zinc were detected in all the samples at relatively uniform <br /> concentrations. These are considered to be within typical soil background concentrations (USGS, <br /> 1992). <br /> CONCLUSIONS <br /> At the request of Piedmont, Smith Environmental personnel conducted a Phase II ESA at the <br /> subject site. Analytical results of soil samples collected at the site indicate that there is an area of <br /> petroleum contaminated surface soil adjacent and north of the concrete slab, and in the I and J <br /> grid sections. No other areas of soil contamination were observed or detected. <br /> If you have any questions or require additional information please contact the undersigned at <br /> (209) 579-2221. <br /> Respectfully, <br /> Smith Environmental Technologies Corporation <br /> William Madison <br /> Geologist <br /> 91-0^ <br /> Jeanne Homsey, P.E. ir,. ,� <br /> CA Registered Civil Engineer No. C 47410 ��r. <br /> N, -pot it <br /> References <br /> Table 1: Summary of Analytical Results - Soil <br /> Figure 1: Site Location Map <br /> Figure 2: Generalized Site Plan <br /> Figure 3: Soil Sample Locations <br /> Attachment A: Field Notes <br /> Attachment B: Laboratory Reports <br /> W:\96730\REP0RT8\SUBREPAoc <br /> 0 <br /> OR IN <br /> 1 <br />