Laserfiche WebLink
a <br />�qs <br /> 1.0 ITTRODUCI°IQv <br /> 1.1 SITE DESCRIPTION <br /> The site of the investigation is Chevron Service Station#90342, Iocated at 1347 S. <br /> El Dorado St.,Stockton, California(Figure 1). 'Ile station has been closed,and all <br /> station; facilities have been demolished. The former locations of the underground <br /> facilities are shown in Figure 2. <br /> 1.2 LEAK HISTORY <br /> In April 1982, a leak was detected is a section of regular leaded gasoline product <br /> pipe. The leaking pipe was su;sequently repaired. In June 1982, the underground <br /> tanks and product piping,whidi. had been in use since original installation in 1963, <br /> %vere replaced. <br /> 1.3 PREVIOUS INVESTIGATIONS <br /> No previous soil or groundwater investigations have been performed at this site. <br /> 1.4 REGIONAL HYDROGEOLOGiC SUMMARY <br /> Based on well data held by the California Department of Water Resources, the <br /> depth to the uppermost satwated transmissive zone, in the vicinity of the site, <br /> appears to vary from 47 feet to over 80 feet. The regional flow direction is <br /> estimated to be from the southeast to the northwest. The nature of the transmissive <br /> zone is utilmowrL but may consist of clayey silt or sand <br /> 15 SCOPE OF WORK <br /> The objective of this project was to observe the removal of three(3) 10,000 gallon <br /> underground fuel tanks and one 1,000 gallon underground waste oil tank and to <br /> — ---— — — collect representative soil samples from the tanks and product piping excavations. ----- —----- — <br /> 1 <br />