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- 1 tj Quarterly Report - Second Quarter 2003 FERNANDO'S PLACE _ 1201'South Center Street, Stockton, California' � 3 � , I . 1.0. INTRODUCTION I�l , u At the request of Mr Roger Huckins,Advanced GeoEnvironmental, Inc (AGE) has prepared this LI ' quarterly ground water monitoring report for the property located at 1201 South Center Street, > `i Stockton,California(site) The scope ofwork included monitoring and sampling the nine monitoring wells on and off-site and preparation of this report The location-of the site is illustrated in Figure 51 1 Locations of structures, borings and monitoring wells related to the site are illustrated in Figure 2 Site background information is provided in Appendix A t k 2.0. , PROCEDURES " ii 1 The May 2003 monitoring event was performed in accordance with Central Valley Regional Water i Quality Control Board (CVRWQCB) and San Joaquin County Environmental Health Department ' (EHD)guidelines for investigation ofunderground storage tank(UST)sites and for sampling ground water monitoring wells, respectively lie 3 r 21 WELL MONITORING AND EVACUATION ' On 22 and 23 May 2003, ground water monitoring and sampling was performed at 31 ground water momtonng'pomts, from a total of nine wells (MW-1 through MW-9D) A coordinated effort was ,,made with Arc Pump and Welding (1211 Turnpike Road) to conduct ground water monitoring activities concurrently, the Arc`Pump and Welding depth to water results are included in Table 1 , On 22 May; 003,a Solinst water level meter was used to measure the depth to water in all the wells to the nearest 0 01 foot, except well MW-4A, 7A, 8A and 9A, relative to the top of the well casing' t Between 22 and 23 May2003, approximately 7 to 45'gallons of ground water(a minimum of three ' casing-water volumes per well) were evacuated (purged) from single-level wells MW-1, MW-2A, MW-2B,MW-3A and MW-313 utilizing disposable polyethylene bailers or a Watera inertial,`pump _ >' Multi-level monitonrig wells MW-4 through MW-9,were purged utilizing a Watera inertial 'pump' .f Approximately 0 45 to 6 5 gallons of ground water(a minimum of three casing-water volumes per well) were purged from the multi-level monitoring wellg ' Temperature,pH and conductivity were measured for stabilization at regular purge-volume intervals from each well'using an Oaktonawater analyzer Field data and logs are provided in Appendix B Purged water was temporarily stored on-site"in 55-gallon DOT-approved H-17 storage drums 1 ! , I � pending proper disposal 2 , Advanced GeoEnvironmental,inc � ' I i 1