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Underground Storage Tank Removal Report and Work Plan for Monitoring Well Installation 1 . Southland Store#17334,4501 North Pershing Avenue,Stockton,California --_ October 27 1998 1 0 INTRODUCTION Fluor Daniel GTI, Inc has prepared this report summarizing underground storage tank(UST) replacement activities conducted at the Southland Store No 17334, located at 4501 North Pershing Avenue, Stockton, California (Figures 1 and 2) The scope of work Included 1) Collection and analysis of sod samples from the former and new UST excavations at the site (Table 1) 2) Collection and analysis of soil samples collected from stockpiled soil generated during the removal of the USTs and Installation of the new USTs 3) Report preparation documenting the UST replacement at the site Soil sampling was conducted in accordance with the Tri-Regional Guidelines and under the direction of Mr Michael Kith and Mr Harlin Knoll of the San Joaquin County Public Health Services (SJCPHS) The UST removal, soil excavation, and Installation of new upgraded USTs was coordinated by the Maness Corporation Field notes are included in Appendix A In addition, this report presents a work plan for installation of a double-nested groundwater monitoring well to be installed within the former tank pit area at the subject site as requested by the SJCPHS The well will be used to replace wells MW-1 and MW-1A which were destroyed prior to removal of USTs at the site to avoid possible damage during the UST excavation The scope of work Includes drilling and sampling of one soil boring, Installation of two monitoring well casings screened at separate depth intervals, collection of groundwater samples from each boring, and preparation of an assessment report summarizing the methods and results of the work preformed A well search will also be conducted to locate all water supply wells within a 2,000-foot radius of the site 2 0 PERMITTING/SITE-SPECIFIC HEALTH AND SAFETY PLAN Fluor Daniel GTI conducted a technical review of all relevant information prior to proceeding with sod sampling and UST removal Applications for permits to remove the USTs were filed by the construction contractor and approved by the SJCPHS Following a complete review of site conditions, Fluor Daniel GTI revised the existing site-specific Health and Safety Plan as required by the Occupational Safety and Health Administration (OSHA) Standard "Hazardous Waste Operations and Emergency Response" guidelines (29 CFR 1910 120) The document was reviewed and signed by all Fluor Daniel GTI personnel prior to commencement of work . at the site 17334ust rpt FLUOR DANIEL GTI I`5_ i�,