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' Quarterly Groundwater Monitoring Report <br /> Third Quarter 2000 <br /> Former American Forest Products Stockton Facility <br /> Stockton, California <br /> 1.0 INTRODUCTION <br /> This report has been prepared by URS on behalf of the former American Forest Products <br /> Company (AFPC), and presents the results of groundwater monitoring activities conducted <br /> during the third quarter of 2000 at the former AFPC facility (Site) located at 2801 West <br /> Lane, Stockton, California (Figure 1) This work has been conducted in response to a letter <br /> from the San Joaquin County Public Health Service-Environmental Health Division <br /> (PHS/EHD) dated August 3, 1998 <br /> 1 1 Background <br /> The Site is located at a former wood processing facility, previously operated by AFPC Site <br /> investigations began with a soil investigation conducted by Bechtel National in February <br /> 1986, which indicated hydrocarbon impacts in soils adjacent to two USTs One was a <br /> 10,000-gallon diesel UST, and the other was a 500-gallon waste oil UST The California <br /> Department of Health Services (DHS) required the preparation of a Remedial Action Plan <br /> (RAP) for the site during September 1986 Between June and September 1987, Kleinfelder <br /> conducted a soil and groundwater investigation at the Site <br />' The two USTs were excavated and removed on May 11, 1988 Also during May 1988, a <br /> soil investigation was conducted by Dames & Moore Based partially on results of the soil <br />' investigation, a Feasibility Study/Remedial Action Plan (FS/RAP) was submitted by Dames & <br /> Moore in July 1988 to PHS/EHD The FS/RAP recommended the demolition of the shop to <br />' access impacted soil, excavation of soil with total petroleum hydrocarbons as diesel (TPH- <br /> D) concentrations > 10,000 ppm Site restoration proposed included capping the <br /> excavation area with asphalt, and treating TPH-impacted soil on-site with bioremediation <br /> In February 1990, the California Regional Water Quality Control Board (CRWQCB) agreed <br /> with the concept of excavation and on-site treatment, combined with long-term monitoring <br /> The CRWQCB required preparation and submittal of a detailed work plan for soil removal, <br /> and a long-term monitoring plan including new monitoring wells <br /> 1 J 1AFPIREPORTIQ3-2000 DOC <br />