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California Regional Water Quality ontrol Board <br /> Central Valley Region xT <br /> Linda S.Adams - Katherine Bart.Chair <br /> Arnold <br /> Secretary for 11020 Sun Center Drive#200,Rancho Corddva,California 95670-6114 �Schwarzenegger <br /> Environmental Phone(916)464-3291 •FAX(916)4644645 - - Governor <br /> Protection hlty9/www.waterboards.co.gov/centmlvalley <br /> 28 September 2010 <br /> ITEMS TO BE INCLUDED IN A SITE ASSESSMENT WORK PLAN <br /> The outline below is a minimum requirement for items to be included and discussed in the text <br /> of all site assessment work plans submitted to the Board. All work plans must be signed by a <br /> registered geologist, certified er)gineering geologist, or civil engineer registered of certified by <br /> the State of California. Other pertinent information specific to each individual investigation also <br /> should be included. <br /> I. BACKGROUND <br /> A. Site History <br /> _State-all-operations-conductedzUhe-site.—_... ._ <br /> Identify present and historic chemical usage and handling procedures. <br /> List all chemical spills and their disposition. <br /> Identify all past and present above ground and under ground tank locations. <br /> Identify tank capacities and other specifications as necessary. <br /> Identify tank contents, past and present. <br /> Submit all records of tests or repairs on fuel lines and tanks. <br /> Identify locations of maintenance shops, chemicals used in the shops, method of <br /> chemical storage and disposal. <br /> Identify past and present land uses and future as applicable. <br /> B. Topographic map of site vicinity showing: <br /> All natural and man-made drainage features including ditches and surface <br /> impoundments, and the drainages destination; <br /> Utilities, especially storm drain system; <br /> Location of existing monitoring wells, including those installed by other parties; <br /> Location of above ground and underground storage tanks, other waste-handling <br /> facilities, and/or spill site; <br /> Location of a major body of water relative to the site; <br /> Location of any nearby private, municipal, or irrigation wells; and <br /> Other major physical and man-made features. <br /> C. Geology/Hydrogeology <br /> Include proposal-for logging of boreholes and characterizing site geology, and <br /> identifying unconfined or confined aquifers and contaminant flowpaths. <br /> ll. PREVIOUS SITE ASSESSMENTS <br /> Provide a detailed ,description of.any previous site assessment conducted to determine if <br /> there is any soil or ground water contamination. Include analytical results of all soil and <br /> water samples analyzed, and water level and floating product measurements. <br /> California Environmental Protection Agency <br /> ea Recycled Phper <br />