Laserfiche WebLink
I� <br /> Quarterly Groundwater Monitoring Report <br /> First Quarter 2000 <br /> Former American Forest Products Stockton Facility <br /> Stockton, California <br /> 10 INTRODUCTION <br /> This report has been prepared by URS/Dames & Moore on behalf or the former American <br /> Forest Products Company (AFDC), and presents the results of groundwater monitoring <br /> activities conducted during the first quarter of 2000 at the former AFPC tacility (Site) located <br /> at 2801 West Lane, Stockton, California (Figure 1) This work has been conducted in <br /> response to a letter from the San Joaquin County Public Health Service-Environmental <br /> Health Division (PHS/EHD) dated August 3, 1998 The report also ncludes a summary of <br /> activities conducted at the Site since August 1998 and a summary of groundwater results <br /> since 1990 <br /> 11 Background <br /> The Site is located at a former wood processing facility, previously operated by AFPC In <br /> July 1985, two underground storage tanks (USTs) were tested for in-egrity, and reported to <br /> be tight One UST was a 10,000-gallon diesel tank, and the other UST was a 500-gallon <br /> waste oil tank <br /> Site investigations began with a soil investigation conducted b" Bechtel National in <br /> February 1986, which indicated hydrocarbon impacts in soils adjacent to the two USTs <br /> The California Department of Health Services (DHS) required the preparation of a Remedial <br />' Action Plan (RAP) for the site during September 1986 Between June and September 1987, <br /> Kleinfelder conducted a soil and groundwater investigation at the Site <br /> The two USTs were excavated and removed on May 11, 1988 Alio during May 1988, a <br /> soil investigation was conducted by Dames & Moore Based partial v 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 hvdrocarbons 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 %vith 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 /> Dames&Moore 1 11AFP\RFP0RTIQI-2004 DOC <br />