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K L E I N F E L D E R <br /> 2 SITE SETTING <br /> 2 1 SITE LOCATION <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 location of the one existing UST discussed in this <br /> report is situated in an area south of the main office building and in the east-west trending <br /> roadway north of Buildings #85 and #86 (See Plate 1) <br /> 2.2. CURRENT SITE USE <br /> The subject site is currently an operating facility utilized by General Mills Inc The site consists <br /> of an office, food product preparation facilities, fuel storage areas, silos, parking areas, etc , for <br /> food production purposes The area discussed within this report includes the tank area located <br /> towards the central portion of the site withal 10 feet north of Buildings #85 and #86 The <br /> underground storage tank (UST) area is immediately overlain with asphalt <br /> 2.3 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-marine <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 mayor 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 cocks 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 /> 20-1417_16 C0112019R338 Page 3 of 12 <br /> © 1999 Kleinfelder Inc May 12, 1999 <br />