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ti i4' J_ A^ <br /> gi <br /> Based on the information provided by the assessment, Aegis will evaluate the need for <br /> further investigation (if necessary) and/or provide a Problem Assessment Report. <br /> SITE DESCRIPTION <br /> The site h located on <br /> nueeinorthwest <br /> the C ty ocorner eca,San Joaquin County,California. The site <br /> he intersection of East yosemite Avenue <br /> and Northwoods Ave <br /> is presently the and <br /> leaSedoftoMr.r. rank Gu n a, Sr. The statservice ion rretails regular leaded, <br /> Moore <br /> Petroleum, Inc. and lea <br /> er-unleaded gasolines. Site facilities include a building, o <br /> regular-unleaded and sup with associated product <br /> dispenser islands and three underground storage tanks (UST's) <br /> i in . The UST's are located to the east of the dispenser lslandaand a ea�e�nc°uded as <br /> rved and <br /> eplaced in November of 1989. A site vicinity map and site p p <br /> Figures 1 and 2. <br /> SITE BACKGROUND AND HYDROGEOLOGY <br /> The property purchased urchased by Moore Petroleum, Inc. approximately 13 years ago. The <br /> site is currently leased from Moore Petroleum by Mr. Frank Guinta,Jr.who has operated <br /> the mini mart/retail gasoline station for the past 12 years. <br /> Work performed at the site by previous consultants included investigations by Earth <br /> Treatment Systems,Inc. (ETS),Delta Environmental Consultants,Inc.(Delta),and Nations <br /> Groundwater Associates (NGA). <br /> of <br /> Work completed through convvember 1988 erted into groundwater monidtoring drilling <br /> PAW-1 soilborings. <br /> and <br /> Soil boring � was con <br /> groundwater samples were collected and submitted for analytical testing and an <br /> Environmental prellmina Site Assessment was prepared. <br /> Work completed through July 1989 <br /> byDelta <br /> 1uded MW 2 andrilling <br /> d MW 3. soil and groundwater <br /> ester <br /> s which <br /> were completed as groundwater 9 <br /> samples were collected and ester flow di ection and for analytical <br /> gradienthydraulic weg. �retcalculat de A <br /> measured and groundwater <br /> Preiimina H d_r a to is Assessment Report, dated July 25, 19139, was prepare <br /> Work completed through September 199D by Nations Groundwater by <br /> and groundwater <br /> included abandonment of MW-1 and drilling/completion <br /> ted <br /> or <br /> cal <br /> g. <br /> er levels <br /> samples were collected and flow direction and hydraulicingradent e�retcalculated.erA <br /> measured and groundwater claw d <br /> Problem A essm n# R rt, dated September 29, 1990, was prepared and submitted. <br /> .z. <br /> .. 90-0981LWPN <br />