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P <br /> • 6ETTLER - RYAN INC.I� <br /> MONITORING WELL INSTALLATION REPORT <br /> at <br /> Chevron Station #9-3232 <br /> 8660 Lower Sacramento Road <br /> Stockton, California <br /> Repo]t No 346463 01-2 <br /> INTRODUCTION <br /> This repos t summai izes the i esults of Monitoring Well Installation perfoi coed by Gettler-Ryan Inc <br /> (GR) at the above--refetenccd site (Figuic 1) The work was pciformed to assess soil and <br /> gioundwatei conditions beneath the subject site prior to Chevron service station divestment The <br /> scope of work included obtaining the required well installation permits, drilling and installing <br /> three on-site groundwater monitoring wells, collecting soil samples ffom the bol Ings for possible <br /> chemical analysis, developing, monitoring, and sampling the newly installed wells, suivcying the <br /> newly installed wells, arranging lot Chevron's contractor to dispose of the waste materials, and <br /> preparing a report documenting the work This work was originally pioposcd in GR Report No <br /> 346463 01, Work Plan For Monitoring Well Installation, dated October 2, 1998, and approved <br /> by San Joaquin County Public Health Services (SJCPHS) <br /> SITE DESCRIPTION <br /> The site is an active retail gasoline service station located at the southeast comes of Lower <br /> Saciamento Road and Ponce DeLeon Avenue in Stockton, Califoi nia Curt ent fact[itleS at the site <br /> consist of a station building with three service bays, a waste oil UST, two dtspenscr islands, and <br /> three 10,000-gallon gasoline USTs that share a common pit neat the southern site boundary <br /> Location of pertinent site features aie shown on Figure 2 <br /> PREVIOUS ENVIRONMENTAL WORD <br /> According to the data provided by Chevron, the setvice station was constructed in 1967 <br /> Subsurface facilities consisted of one 5,000-gallon and two 10,000-gallon steel USTs, and one <br /> 500—gallon used oil steel UST <br /> In August 1983, the or iginal USTs were replaced with.three 10,000-gallon single-walled fiberglass <br /> USTs and one 1,000-gallon single-walled fiberglass used oil UST <br /> • <br /> 14(06301-2 1 <br /> 6747 Sierra Court , Suite J 0 Dublin , CaIifornla 94568 - ( 925 ) 551 - 7555 <br />