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In November 2008, Treadwell and Rollo (T&R) on behalf of the City of Stockton abandoned <br />monitoring wells MW-8, MW-10, MW-11, MW-39, MW-40, MW-41, and MW-53 due to <br />excavation activities on the UOU. These wells have yet to be reinstalled at the site. <br />In January 2009, T&R, on behalf of the city of Stockton, concluded their excavation activities on <br />the Unocal Operable Unit adjacent to the L&M OU. Treadwell and Rollo submitted their report <br />of findings entitled Removal Action Completion Report Unocal Operable Unit on Area 2A to the <br />RWQCB-CVR on August 5, 2009. A groundwater collection trench, extending north-south, was <br />left in the substrata approximately 15 feet bgs and along the eastern boundary of the excavation <br />which paralleled the major pipeline removed during the investigation. <br />In March 2009, Wallace Kuhl Associates (WKA), on behalf of the city of Stockton, concluded <br />excavation, installation of exploratory borings, and UST removal activities on the property <br />adjacent to the Waterfront Towers Parking Facility to the north and west. Wallace Kuhl and <br />Associates submitted their report of findings entitled Stockton Promenade Underground Storage <br />Tank Removal Report-Former North Edison Street to the RWQCB-CVR on June 8, 2009. <br />In early 2010, T&R, on behalf of the city of Stockton, abandoned Morton Operable Unit wells <br />MW-06R and 2BMW-1 due to the development of the DMV on the Morton-Alco Operable Unit <br />southeast of the L&M OU. The DMV was completed and has been in operation since <br />November 17, 2010.