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' STOCKTON PROMENADE <br /> UNDERGROUND STORAGE TANK REMOVAL REPORT <br /> ' NORTH EDISON STREET <br /> Stockton, California <br /> WKA No. 7345.09 <br /> 1.0 INTRODUCTION <br /> ' On behalf of the City of Stockton, Wallace Kuhl & Associates, Inc. (WKA), has prepared this <br /> report documenting the excavation and removal of four underground storage tanks (USTs) at the <br /> northern end of the former N. Edison Street in Stockton, California(Figure 1). This work was <br /> 1 conducted in preparation for construction of the Stockton Promenade, a public access corridor <br /> along the southern side of the Stockton Deep Water Channel (Stockton Channel)in the City of <br /> ' Stockton, California. The four USTs were located in an unpaved area immediately west of <br /> Tuleberg Levee Road, which runs along a portion of the southern bank of the Stockton Channel <br /> ' adjacent to the Waterfront Office Towers Owners Association (WOTOA) building and parking <br /> lot (Figure 2). <br /> 1 The results of recent subsurface investigations of the Stockton Promenade were provided by <br /> WKA to the Central Valley office of the California Regional Water Quality Control Board <br /> ' (RWQCB) in a Subsurface Investigation Report dated March 25, 2008. As a result of the <br /> assessment findings and the proposed redevelopment plan, WKA submitted a Removal Action <br /> Plan (RAP) to the RWQCB on June 12, 2008. The City of Stockton is currently working <br /> I cooperatively with the RWQCB to mitigate chemically impacted soil encountered during the <br /> construction of the Stockton Promenade for the protection of human health and the environment <br /> Iduring future land use. <br /> 1.1 Site Description <br /> The former North Edison Street UST area is located within the City of Stockton Redevelopment <br /> Agency's (the RDA's) West End project area and referenced as `Brownfields Area 1"in RDA <br /> documentation. The site is located within an area that previously consisted of several industrial <br /> warehouse buildings including grain-milling operations, and a barge dock for unloading of <br /> ' petroleum products along the Stockton Channel to nearby bulk petroleum storage tanks to the south. <br /> Redevelopment of the site is included as part of the Stockton Promenade, a commercial <br /> development to include parking, landscaping, light poles, and a concrete boardwalk extending from <br /> Mormon Slough to Weber Point, along the northern and western sides of the site, for public access <br />