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1.0 INTRODUCTION <br /> I <br /> Conestoga-Rovers & Associates (CRA) prepared this work plan on behalf'of Equilon <br /> Enterprises dba Shell Oil Company US (Shell) for proper destruction of the monitoring <br /> wells at the Shell-branded service .station located at 2375 West Grant'Line Road, in <br /> Tracy, California (Figures 1 and 2). This work plan was requested in the San Joaquin <br /> County Environmental Health Department (EHD) letter dated September 16, 2010. The <br /> proposed scope of work is written to comply with San Joaquin County guidelines. <br /> The site is located on the northwest corner of the intersection of West Grant Line Road <br /> and Joe Pombo Parkway, in Tracy. The station layout includes a station building, a fuel <br /> underground storage tank (UST) complex, and three dispenser islands. There are 9 <br /> groundwater monitoring wells associated with this site. Six of the wells are located <br /> onsite and 3 of the wells are located offsite. <br /> 2.0 WORK PLAN <br /> 2.1 PERMITS <br /> CRA will obtain welldestruction permits from the EHD. <br /> 2.2 HEALTH AND SAFETY PLAN (HASP) <br /> CRA will prepare a HASP to protect site workers. The.plan will-be kept on site during <br /> field activities and will be reviewed and signed by each site worker. <br /> 2.3 UTILITY CLEARANCE <br /> CRA will mark the proposed drilling locations, and the locations will be cleared through <br /> Underground Service Alert and a private utility locating service prior to performing <br /> well destruction activities. <br /> 2.4 MONITORING WELL DESTRUCTION <br /> Nine groundwater monitoring wells exist.at the site and need to be properly destroyed. <br /> CRA plans to destroy each well by backfilling with grout per EHD well standards. The <br /> vault box for each well will be removed, and a hole 1 foot larger in diameter than the <br /> 241661(9) l CONESTOGA-ROVERS&ASSOCIATES <br />