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ArffrWAVA .AW--. <br /> ' Working To Restore Nature <br /> 1710 Main Street <br /> Escafon, CA 95320 <br /> Phone (209) 838-3507 <br /> ' FAX (209) 838-3509 <br /> ' July 6, 1994 <br /> 1 <br /> Ms. Ann Macdonald <br /> ' Environmental Affairs Manager - West <br /> Coca-Cola Enterprises, Inc <br /> 7901 Oakport Street <br /> Oakland, CA 94621 <br /> Subject Second Quarter 1994 Groundwater Monitoring Report for Coca-Cola Enterprises, <br /> ' Inc , Former Distribution Facility, 1100 North Wilson Way, Stockton, California <br /> Dear Ms Macdonald <br /> As required by the San Joaquin County Public Health Services (SJCPHS) and at the request of <br /> Coca-Cola Enterprises, Inc. (Coca-Cola), RESNA Industries Inc (RESNA) has prepared this <br /> ' letter report summarizing the Second Quarter 1994 Groundwater Monitoring and site activities <br /> performed at the above referenced site (Plate 1) Sampling was performed to monitor the <br /> distribution of petroleum hydrocarbons in groundwater at the site Monitoring was performed <br /> ' to determine the groundwater flow direction and the hydraulic gradient in the uppermost aquifer <br /> BACKGROUND <br /> ' Coca-Cola closed operations at the Distribution Facility in April 1990 Two steel underground <br /> P Y P g <br /> ' storage tanks (USTs), fuel dispensers, product piping and vent piping were excavated and <br /> disposed as part of the abandonment process One 10,000 gallon diesel UST, installed in 1978, <br /> and one 1,000 gallon gasoline UST, installed in 1937, were excavated in April 1990 (USTEC, <br /> ' September, 1991) The location of the former USTs are shown in Plate 2 <br /> Several environmental investigations have been conducted since tank removal including a soil <br /> ' gas survey in May 1990, a subsurface environmental investigation in August and September <br /> 1990; an additional subsurface investigation in October and November 1990, and quarterly <br /> groundwater monitoring The results of these investigations are presented in the reports listed <br /> ' at the end of this report A soil vapor extraction test was conducted at the site by RESNA in <br /> November 1992 (RESNA, January 1993) Investigations have shown that the majority of <br /> petroleum hydrocarbons in the soil were present from 0 to approximately 25 feet below grade <br /> 5400561QUARTLY12QMR1994 DIRT <br /> 1 <br />