ARCHIVED REPORTS_XR0004661 - Laserfiche WebLink

Home Browse Search

REPORT OF CORRECTIVE ACTIONS, RECENT GROUNDWATER MONITORING, SITE CONCEPTUAL MODEL, AND RECOMMENDATION FOR SITE CLOSURE 151 South Main Street Manteca, California September 28, 2004 1.0 INTRODUCTION The purpose of this report, prepared by RM Associates on behalf of Value Reclamation Corporation, t is to present the most recent groundwater monitoring data and to present information consistent with that requested by the San Joaquin County Environmental Health Department(SJCEHD) in their letter to Value Reclamation Corp dated March 5,2002 The report is also prepared cognizant of the "Site Conceptual Model Boiler Plate" provided by the SJCEHD ' 2 0 SITE DESCRIPTION AND HISTORY TO DATE The site, located at 151 South Main Street, Manteca, California, was previously owned by Diamond Lumber Company (DLC) and 650 Management Corporation, Dallas, Texas In June 1997, the site was acquired by Value Reclamation Corporation (VRC) VRC accepted all responsibility for addressing a known underground storage tank (UST) related fuel release problem and for ' implementing and completing a site remediation The site is presently operated by Don's Mobile Glass ' The site is located in a commercial area of downtown Manteca and covers an area of approximately 1 87 acres bounded on the east by Main Street, on the southwest by the Union Pacific Railroad, and on the west by Maple Street The north side of the property is bounded by commercial i establishments Figure 1 presents a Site Location Map illustrating the major roads in the vicinity of the site, and Figure 2 presents a site map illustrating pertinent on-site features ' During DLC's operation of the site, a UST, reportedly a 500-gallon gasoline tank had been used, presumably used to fuel service vehicles The fuel release was detected when the UST was removed ' from the property in 1985 Reportedly, at the time of the UST removal, an unknown amount of hydrocarbon-impacted soil was excavated and disposed However, the amount or disposition of this soil was apparently undocumented ' Subsequent investigations showed that both soil and groundwater at the facility had been impacted by excessive concentrations of petroleum hydrocarbons, specifically gasoline The background ' summary has been derived from several phases of site investigation and groundwater monitoring conducted between 1988 to the present, by three environmental consulting firms Blymer Engineers, Inc (Blymer), Steffen, Robertson &Kirsten (SRK), and The Park Corporation (Park)