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1 <br /> MONITORING WELL DESTRUCTION REPORT <br /> CITY OF STOCKTON <br />' VICTORY PARK <br /> 1201 PERSHING AVENUE <br /> STOCKTON, CALIFORNIA <br />' 1.0 INTRODUCTION <br /> This report outlines the work scope performed to destroy groundwater monitoring well MW- <br /> 1 at Victory Park (site), in Stockton, California The groundwater monitonng well was <br /> installed on June 22, 1995. <br />' This work was commissioned b Robert y Mr obe t M urdock of the City of Stockton on February <br />' 15, 1996 Mr Murdock can be contacted at the City of Stockton's Public Works Department <br /> at 425 El Dorado Street, Stockton, California, telephone number (209) 937 - 8829 <br /> This work was performed by The Twining Laboratories, Inc (Twining), Environmental <br /> Service and Drilling Divisions <br /> 2.0 BACKGROUND <br />' A description of the site, the geologic and hydrologic characteristics, and the project history <br /> are summarized in the following subsections. <br />' 2.1 Site Description Victory Park is located in the central western portion of the city of <br /> Stockton, California on the west side of Pershing Avenue between Argonne and Picardy <br /> Drives Drawing 1 presents the site location map Monitoring well MW-1 is adjacent to a <br />' park maintenance building located along the western site boundary near the intersection of <br /> Argonne and Picardy Drives A site plan is shown on Drawing 2 <br /> 2.2 Geologic and Hydrologic Characteristics The following subsections summanze the <br /> geology and hydrology of the Stockton area <br /> 2.2.1 geology The site is located in the northern portion of the San Joaquin Valley which <br /> comprises the southern segment of the larger Great Valley geomorphic province The Great <br /> Valley is a nearly flat asymmetrical synclinal trough trending northwest to southeast <br /> approximately 450 miles long by 50 nules wide The Great Valley has been filled with a <br /> sequence of older to younger alluvium of Pliocene to Holocene age which overlie <br /> sedimentary rocks of Cretaceous to Tertiary age These sedimentary units, in turn, overlie <br /> a crystalline basement of Paleozoic and Mesozoic metamorphic and igneous rocks The <br />