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California Regional Water Quality Control Board <br /> Central Valle*Y RegiGn c ' <br /> Winston H.Hickox Sacramento Main Office Gray Davis <br /> Secretory for Internet Address: http://www.swrcb.ca.gov/—rwgcb5 Governor <br /> Environmental 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Protection Phone(916)255-3000•FAX(916)255-3015 <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 of all site <br /> assessment work plans submitted to the Board. All work plans must be signed by a registered geologist, <br /> certified engineering geologist, or civil engineer registered or certified by the State of California. <br /> I. BACKGROUND <br /> A. Site History <br /> State all operations conducted at the 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 chemical <br /> storage and disposal. <br /> B. Topographic map of site vicinity showing: <br /> All natural and man-made drainage features including ditches and surface impoundments, and <br /> 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 facilities, <br /> 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 identifying <br /> unconfined or confined aquifers and contaminant flowpaths. <br /> California Environmental Protection Agency <br /> �a Recycled Paper <br />