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%pe a Number Type of Test of Tests Presentation Consolidated-Undrained Triaxial 1 Presented on Plate 33. Compression, Multi-Stage Unconsolidated-Undrained Triaxial 5 Plotted on boring logs and tabu- Compression lated on Summary of Test Results. A tabulated summary of the field and laboratory test results is presented on Plates 13A through 13D. Other plotted laboratory test results are provided on Plates 14 through 33. GENERAL SITE CONDITIONS Geologic Setting San Joaquin County is in the Great Valley of California, a nearly flat alluvial plain covering the central portion of California. The Great Valley is about 450 miles long and typically 50 miles wide. The northern portion of the Great Valley is called the Sacramento Valley and the southern portion is termed the San Joaquin Valley. The project site is in the northern San Joaquin Valley. The San Joaquin Valley is a structural trough filled with thousands of feet of Tertiary aged marine sediments. These sediments are present below the site. Through much of the San Joaquin Valley, Quaternary alluvium overlies the Tertiary sequence. At the site, relatively shallow borings having depths of less than 60 feet encountered the Quaternary alluvial cover. With the construction of the New Melones flood control dam, the site is no longer in the 100-year flood plain. The site is, however, within the possible inundation area below the San Luis and New Melones dams in the event of dam failure. Groundwater is present in the Quaternary alluvium and also in the deeper Tertiary sediments. A shallow groundwater table was encountered in the borings drilled onsite. Site Description Site Location. The proposed San Joaquin Limited cogeneration plant site is about one-half mile southeast of the Louise Road exit on Interstate 5. The proposed site is adjacent to and southwest of Libbey-Owens Ford (LOF) Facility in 1144A/CC-8 ;'McClelland