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SECTION 3 <br />' SITEA ACTIVITIES <br /> �I�EVIous SITE <br /> 1 <br /> This section discusses the investigation and remedial activities previously <br /> conducted for UST Sites #1, and #2 The individual sites are discussed <br />' separately below <br />' Tank Site #1 <br /> Activities performed at Former Tank Site #1, located at 1515 West Weber <br />' Avenue include <br /> • Removal of a 2,000-gallon fuel UST (1988), <br />' • Performance of a soil gas survey, installation of three shallow soil <br /> . borings, and installation of three monitoring wells for site <br />' characterization (1990), <br /> • Installation of two additional monitoring wells (1991), <br /> • Excavation of hydrocarbon-containing soils (1993), <br /> f • Further characterization of the residual TPH levels within the <br /> excavations (1994), <br />' • Routine monitoring of ground water chemical quality during the <br /> period from April 1991 through April 1998, and <br /> • Ground water remediation consisting of ground water extraction (3 <br /> events performed during the period 1993 through 1994) and the use of <br />' oxygen regenerating compounds to enhance natural biodegradation <br /> A description of these activities is provided below <br /> Tank Removal <br /> A 2,000-gallon fuel UST was removed from Former Tank Site #1 in <br /> • November 1988 The tank was reported to be of single-wall steel <br /> 3-1 <br />