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' kT1 ICI EINFEI DER <br /> 2 SITE SETTING <br /> 2.1. SITE LOCATION AND USE <br />' The site is located at 2000 West Turner Road, which runs east to west between Interstate 5 and <br /> State Highway 99 in Lodi, California The subject site is currently an operating facility utilized <br /> by General Mills Inc The location of one non-operating underground storage tank (UST) and <br />' one former UST discussed in this report is situated in an area south of the main office building <br /> and in the east-west trending roadway north of Buildings #85 and #86 (See Plate 1) The site <br /> consists of an office, food product preparation facilities, fuel storage areas, silos, parking areas, <br /> etc , for food production purposes The former and existing UST area is immediately overlain <br /> with concrete and asphalt <br /> 2.2. GEOLOGY AND HYDROGEOLOGY <br />' The site lies within the Great Valley Geomorphic Province of California The valley is <br /> approximately 400 miles long and averages about 50 miles wide, and comprises about 20,000 <br /> square miles The valley has been filled with a thick sequence of marine and non-manne <br /> sediments from the late Jurassic to Holocene The uppermost strata of the Great Valley <br /> represent, for the most part, the alluvial, flood, and delta plains of two major rivers (Sacramento <br /> and San Joaquin Rivers) and their tributaries <br />' The valley deposits are derived from the Coast Ranges to the west and the Sierra Nevada to the <br /> east Granitic and metamorphic rocks outcrop along the eastern and southeastern flanks of the <br />' valley Marine sedimentary rocks outcrop along most of the western, southwestern, southern, <br /> and southeastern flanks, and volcanic rocks and deposits outcrop along the northeastern flanks of <br /> the valley The valley geomorphology includes dissected uplands, low alluvial plains and fans, <br /> river flood plains and channels, and overflow lands and lake bottoms <br /> According to San Joaquin County Flood Control and Water Conservation District (SJCFCWCD), <br /> ' dated Spring 1999, depth to groundwater in the vicinity of the site is approximate 35 feet below <br /> ground surface According SFCFCWCD groundwater maps, groundwater flow direction is <br /> towards the south Groundwater flow directions may significantly fluctuate due to groundwater <br /> pumping, rainfall, groundwater recharge, etc Therefore, changes in groundwater depth, gradient <br /> and flow direction may vary at this site with time <br /> ' 20-1417-16 E031201 IR259 Page 2 of 11 <br /> Copynght 2001 Kleinfelder, Inc February 28 2001 <br />