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SQuarterly"Report - Second Quarter 2003 <br /> VAN BUSKIRK GOLF COURSE FACILITY <br /> ' 1.740 Houston Avenue, Stockton, California <br /> I <br /> 1:0. INTRODUCTION <br /> At the request of the City of Stockton,Advanced GeoEnvironmental,Inc. (AGE) has prepared this <br /> ' second quarterly report for the Van Buskirk Golf Course maintenance facility(site)located at 1740 <br /> Houston Avenue, Stockton, California (Figure 1). The work 'included collection of ground water <br /> samples from the wells to assess the impact of petroleum hydrocarbons and fuel oxygenating <br /> compounds on ground water beneath the site. <br /> This report is prepared in accordance with guidelines established in Appendix A to Tri-Regional <br /> 1 <br /> Recommendations'- Reporting, dated 30 August 1991, prepared by the Central Valley Regional <br /> Water Quality Control Board (CVRWQCB) for the investigation.of UST sites. Site 'background <br /> ' information was summarized in the AGE-prepared Additional Soil and Ground Water Assessment. <br /> Work Plan, dated 31 July 2000, which was approved by the San Joaquin County- Environnriental <br /> Health Department (EHD)by letter dated 04 August 2000. <br /> • . 2.0.n PROCEDURES <br /> ' The work was conducted as outlined in the AGE work plan titled Work Plan Addendum, dated 19 <br /> November 2001 and approved by the EHD on 06 December 2001,and was performed in accordance <br /> with EHD guidelines for ground water monitoring well sampling and CVRWQCB guidelines for <br /> investigation of underground storage tank (UST) sites. <br /> i <br /> 2.1. WELL MONITORING PROCEDURES <br /> On 17 April 2003, a ground water monitoring event was conducted at the site. The ground water <br /> monitoring activities included measurement of ground water levels from shallow-'screened, water," <br /> table wells MW-1 through MW-5,MW-7 and MW-8, and deep-screened wells MW-6,-MW-9 and <br /> MW-10 and collection of groundwater samples from wells MW-3 through MW-10. . <br /> 2.1.1. Well Monitoring and Evacuation <br /> A Solinst water level meter was used"to measure the depth to,ground water in each well relative to <br /> the top of the well casing. After water levels were gauged, approximately 3 to 14 gallons of water <br /> (a minimum of three casing-water volumes)were purged from wells MW-3 through MW-8 utilizing <br /> ' a dedicated,disposable bailer,and approximately 21 and 28 gallons of water were purged from wells <br /> MW-10 and MW-9,respectively,utilizing a Waterra pump.Terrlperature,pH,and conductivity were <br /> ' Advanced Ce Environment1,Inc. ,r <br />