SITE INFORMATION AND CORRESPONDENCE

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Phase I Environmental Site Assessment 6.0 RECONNAISANCE OBSERVATIONS Rob Kull,P.E.,Environmental Department Manager with Carlton,conducted a site reconnaissance visit on May 28,2008. Approximate boundaries of the Site were determined from site maps and aerial photographs supplied by the Client. Those boundaries are shown on Figure 2. Eight photographs of the Site taken during the visit showing features and conditions observed on and immediately adjacent to the Site are included in Figures 3 and 4. No stressed vegetation,stained soil(other than the staining observed along the central drive path described in the following paragraph),or visual evidence of contamination was observed during the Site visit. Descriptions of the Site observations are presented in the following paragraphs and locations of the described features are indicated on the Site Map,Figure 2. The topography of the Site is characterized as nearly level. A drainage channel enters the property from the east approximately 200 feet north of the southeastern corner. A drainage culvert is located under the power plant's access road about 100 feet west of the eastern property boundary,and provides a drainage outlet for the Site. Drainage system drop inlets are located in the paved portion of the Southwestern Site area. The ground surface of the Site was observed to be covered with grasses,gravel covered drive paths,and asphaltic concrete. The southwestern portion of the Site was observed to be paved with asphaltic concrete,with power plant support facilities(gas compressor)located on the paved area. A paved access road to the power plant is located in the southern portion of the Site. The monitoring well described in Section 5.3 of this report is located near the southeastern corner of the Site property. A paved area along the western boundary of the Site houses additional power plant support facilities(cooling towers). The eastern portion of Site is currently used by the WPCF as a lay-down area for equipment and materials used during the facility improvement project underway at the WPCF. Deposits of gray silty material with sewage-related trash(razor blades,etc.)suspected to remain from the previously described bio-solids and treatment pond deposits stockpiling,was observed in the northern portion of the Site. One oil-stained area of surface soil was observed along the graveled drive path through the central portion of the Site. WPCF construction(and related)materials noted in the central/eastern portion of the Site included: • Two automotive batteries • Plastic buckets of under water rubber lubricating compound on a wooden palate • Concrete,plastic and metal pipe and pipe fittings • Lumber Wooden palates Iron and steel bar and rods Two 55 gallon drums of concrete curing compound • Chain-link fencing panels • Plastic clarifier covers • Storage container/shed with hardware,plastic pipe fittings and other construction materials Locations of the features and conditions summarized here are noted on the Site Map,Figure 2. Evidence of leaks,spills,or improper handling or storage of hazardous materials or petroleum products on the Site or on properties in the vicinity of the Site was not observed at the time of Carlton's site visit with the exception of the automotive batteries stored on the Site property,and the oil-stained soil along the drive path. There were no observable indications of previous or existing recognized environmental conditions on the Site. Lodi Energy Center Property ESA 11 Carlton Project No.6300-01-08 June 2008 CARLTONM E n g i n e e r i n g I n c.