Laserfiche WebLink
Quarterly Report - Fourth Quarter 2004 <br /> LOPEZ PROPERTY <br /> I1601 Turnpike Road, Stockton, California <br /> I1.0. INTRODUCTION <br /> At the request of Ms Mable Keir, Advanced GeoEnvironmental, Inc (AGE) has prepared this <br />' quarterly report for the property located at 1601 Turnpike Road,Stockton, California(site) The site <br /> and the surrounding area are illustrated on Figure 1 Structure, boring and well locations are <br />' illustrated on Figure 2 Site background information is summarized in Appendix A Soil and ground <br /> water analytical results from the current and previous investigations are summarized in Tables <br /> 1 and 2 <br /> 2.0. PROCEDURES <br />' Field work was performed in accordance with guidelines issued by the Central Valley Regional <br /> Water Quality Control Board (CVRWQCB) for the investigation of underground storage tanks <br /> (UST) sites <br /> • 2 1 MONITORING WELL INSTALLATION, DEVELOPMENT AND SURVEY <br /> Three soil borings were advanced on 22 November 2004 for collection of soil samples and <br /> installation of three ground water monitoring wells (MW-1, MW-2 and MW-3) The monitoring <br /> wells were developed and sampled on 24 November 2004, and surveyed on 16 December 2004 <br /> 2 1 1 Drilling P and Sampling <br /> On 22 November 2004,three soil bonngs(MW 1 through MW3)were advanced at the site A CME- <br /> 75HT truck mounted drill rig was utilized to advance 8 25-inch diameter hollow-stem augers to the <br /> total depth of each boring The drill rig and three-man crew were supplied by Mitchell Drilling and <br /> Environmental of Rancho Cordova, California Auger returns generated by dnlling were <br /> containerized in properly labeled Department of Transportation (DOT)-approved model 17H <br />' 55-gallon drums and were stored on-site <br /> Soil samples were collected ahead of the drill bit using a California modified split-spoon sampler <br /> loaded with three pre-cleaned 2-inch by 6-inch brass sleeves The samples were collected from the <br /> pilot borings at 5-foot intervals, beginning at 5 feet below surface grade (bsg), using a 140-pound <br /> hammer to advance the sampler The number of blows required to advance the sampler over each <br /> 6-inch increment of the 18-inch sampling interval was recorded on the boring logs After sample <br /> • recovery,both ends of the second or other selected sleeve were covered with Teflon sheets, capped <br /> and sealed with tape <br /> IAdvanced Geo Environmental,1nc <br />