Laserfiche WebLink
i <br /> • Quarterly Report - First Quarter 2003 <br /> PACIFIC MINI-MART <br /> 4511 Pacific Avenue, Stockton, California <br /> I1.0. INTRODUCTION <br /> I At the request of Mr Art Wyatt, Advanced GeoEnvironmental, Inc (AGE) has prepared this <br /> quarterly report for 4511 Pacific Avenue, Stockton, California(the site) This report documents the <br /> the installation of two ground water monitoring wells off-site in the City of Stockton right-of-way, <br /> I operation of a low-flow ground water remediation system,the procedures for collection and analysis <br /> of ground water samples from the well network and the results of ground water and treatment system <br /> monitoring events The location of the site is illustrated in Figure 1, structures,monitoring well and <br /> Isoil boring locations are illustrated in Figure 2 <br /> The field procedures for the work reported herein were performed in accordance with procedures <br /> outlined m Monitoring Well Installation and Interim Ground Water Remediation,prepared by AGE, <br /> dated 26 October 2000,and approved by the San Joaquin County Environmental Health Department <br /> (EHD) by letter dated 01 November 2000 The site history and a description of previous work <br /> performed at the site are detailed in Appendix A Data from previous ground water monitoring <br /> events are included in the tables of this report <br /> I � <br /> 2.0 PROCEDURES <br /> On 04 and 05 February 2003, two ground water monitoring wells were installed off-site as part of <br /> the investigation On 25 February 2003 the newly installed ground water monitoring well were <br /> developed On 24, 25 and 26 February 2003, a quarterly ground water monitoring and sampling <br /> event was conducted on the monitoring well network Field procedures were performed in <br /> accordance with procedures outlined in Monitoring Well Installation and Interim Ground Water <br /> Remediation <br /> 21 DRILLING AND SAMPLING <br /> On 04 and 05 February 2003, two soil borings were advanced off-site, using a CME-75 drill ng, <br /> equipped with 8 25-inch diameter hollow-stem augers to advance borings MW 17 and MW 18 The <br /> drill ng and three-man crew were supplied by West Hazmat Drilling Auger returns generated by <br /> drilling were stored on-site in Department of Transportation (DOT)-approved 55-gallon drums, <br /> pending proper disposal <br /> Soil samples were collected from boring MW18 ahead of the drill bit using a California modified <br /> split-spoon sampler loaded with three prc-cleaned 2-inch by 6-inch brass sleeves The samples were <br /> collected from the monitoring well pilot borings at five-foot intervals,beginning at 5 feet bsg to total <br /> depth using a 140-pound hammer to advance the sampler The number of blows required to advance <br /> I <br /> Advanced GeoEnr+ironmental inc <br />