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the site An LPH removal program, consisting of removal by hand bailing methods was <br /> immediately initiated The use of a passive, down-hole petroleum skimmer, was subsequently <br /> initiated at the site (SECOR, April 24, 2000) Removal of LPH was generally performed on a <br /> weekly bass from February 2000 through November 2002 This program resulted in the <br /> removal of approximately 63 gallons of LPH LPH has not been removed from the well since <br /> the July 2002 quarterly monitoring event, during which approximately 0 01 feet of measurable <br /> LPH was reported in the well Since the July 2002 event, measurable LPH was reported in the <br /> well during the October 2003 (0 01 feet LPH) and January 2004 (0 02 feet LPH) groundwater <br /> monitoring and sampling events, and LPH sheen (<0 01 LPH) was reported in the well during <br /> the April 2004 groundwater monitoring and sampling event No LPH was reported during the <br /> July and October 2004 monitoring events A summary of LPH removal activities is presented to <br /> Table 7 <br /> 33 Sensitive Receptor Survey <br /> A water supply well search was performed by SECOR in June 1997 This search was <br /> conducted by reviewing records on file at the Department of Water Resources (DWR) in <br /> Sacramento, and contacting the local water purveyor, Lockeford Community Services District <br /> One irrigation well and two municipal wells were found within a 2,000-foot radius of the site <br /> The municipal wells were located approximately 900 feet northeast (upgradient) and 1,500 feet <br /> southwest (downgradient) of the site (SECOR, September 8, 1998) Locations of these wells <br /> relative to the site are displayed on the map included as Appendix E <br /> • The site is situated approximately 0 75 miles south of the Mokelumne River The closest <br /> surface water body to the site is a creek located approximately 600 feet northwest of the site A <br /> drainage pond for surface runoff during rainfall events is located in the southwest of the site <br /> This pond is typically dry (SECOR, September 8, 1998) <br /> Time Oil Asmt&SCM doc 6 March 17,2005 <br /> 770T 41658 00 0015 <br />