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LEGAL DESCRIPTION- The property consists of approximately 1 acre, (APN 135-25-31 ) as shown on EXHIBIT A REGIONAL SETTING. The property is located in the southwestern part of the City of Stockton, almost directly beneath I-5 The Stockton Deepwater Channel is approximately one block to the south, near the terminus of Mormon Slough The area is primarily dedicated to light manufacturing & varied small to medium sized businesses Valley Wholesale Drugs is a wholesale distributor of phamaceuti- cals , there are no manufacturing activities on the property PLATE I is a portion of a city map of Stockton showing the location of the site GEOLOGIC & GEOMORPHIC PROVINCE The site is located in the southern portion of what is referred to as the Sacramento Valley, which is within the geomorphic province called the Great Valley of California This large basin, which contains in excess of 25, 000 of sediments , extends tram Red Bluff on the north to the Transverse Ranges on the south The sediments have been derived primarily from erosion of the Sierra Nevada Batholith to the east, they have been period- ically reworked and redeposited by the many rivers and streams in the area The surface elevation is between 5' & 10 ' , with the regional gradient to the west at about 5 ' /mile PLATE II is from a USGS topographic map showing surface features in the area SOILS CLASSIFICATION According to the publication issued by the University of Calif , Berkeley, in 1952 , the surface soils consist of madeland, ' (fill brought in from other areas ) The predominent native soil in the area is Stockton adobe clay, which covers most of this portion of Stockton Soils encountered during site excavation consisted primarily of tan to brown clays & silty clays , with some sandy clay intervals DEPTH TO GROUNDWATER According to maps published by the San Joaquin County Flood Control District, the water table in this area is about 20 ' below ground level During the work discussed in this report, ground- water began to seep into the excavation at about 15 ' bgl , this correlates well with water levels encountered during removal of the UST' s However, due to the heavy rains this winter, it is 2 i