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1 1 I _ lit Quarterly Report - Third Quarter 2003 FERNANDO'S PLACE ' 1201 South Center Street, Stockton, California t r 1 ti 1.0. INTRODUCTION ,. I I r + , _At the 'request of Mr Roger Huckins, Advanced GeoEnvironmental, Inc (AGE) has prepared this � tquarterly 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 ' ''1 Locations of structures, borings and monitoring wells related to the site are illustrated in Figure 11 , 2 Site background information is provided in Appendix A '2.0. PROCEDURES - 1 � 1 The September 2003 monitoring event was performed in accordance with Central Valley Regional i Water Quality Control Board (CVRWQCB) and San Joaquin County Environmental Health Department (EHD) guidelines for investigation of underground storage tank (UST) sites and for ' 1 sampling ground water monitoring wells, respectively , I ' 2 1 WELL MONITORING AND EVACUATION LOn 02 and 03 September 2003, ground water monitoring and sampling was performed at 31 ground water monitoring points, 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 Factivities concurrently,'the Arc Pump and Welding depth to water results are included Im Table 1 i On 02 September 2003;a Solinst water level meter was used to measure the depth to water in all the ' wells to the nearest 0 01,foot,, relative to the top of the well casing Between 02 and 03 September i 2003,approximately 6 to 45 gallons of ground water(a minimum of three casing-water volumes per I well)were evacuated(purged)from single-level wells MW-1,MW-2A,MW-2B,MW-3A and MW- -,3B utilizing disposable polyethylene bailers or a two-stage pump Multi-level monitoring wells MW- 4 through MW-9 were purged utilizing a Watera inertial'puirip Approximately 0 40 to 5 '5'gallons of ground water(a minimum of three casing-water volumes per well) were purged from,the' multi- level monitoring wells 1 Temperature,pH and conductivity were measured for stabilization at regular purge-volume intervals z ' from each well using an Oakton water 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 s pending proper disposal Advanced GeoEnviranmental,inc I tk I � , I i I