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BJJ, Inc.. - 2 - �-'� August 23, 2011 <br /> J 4 <br /> w-�w <br /> M onitoring Well Information - y' <br /> Well Designation Date Installed - Screen Interval Depth to Water <br /> (feet bgs) (feet bgs) h <br /> Dec 2010 + <br /> MW-1 Jun 98 5-15 6.90 <br /> MW-2 May 98 5-15 6.35 <br /> MW-3 Nov 98 5-10 7.04 <br /> MW-4 Nov 98 3 - 5-10 6.62 <br /> MW-5 Nov 98 5-10 7.12 <br /> .Y MW-6 Nov 98 5-10 - 6.77 <br /> MW-7 Oct 00 30-40 6.76 ' <br /> _ .MW-8 Oct 00 30-40 6.62 <br /> Petroleum H drocarbon Constituent Concentration <br /> Contaminant - — . . Soil (mg/kg) _ Water.(u /L „�rWQOs <br /> . .,�. Maximum Latest Maximum Latest (ug1L) <br /> Dec 2010 r <br /> TPH, g NA NA. .__._170,000 ,.. 12,000 5 <br /> Benzene NA NA 940 90.3 0.15 <br /> Toluene NA NA 4,700 30.5 42 <br /> Eth lbenzene NA NA 4,900 711 29 <br /> Xylenes. NA NA 13,000 1,410 17 <br /> MTBE NA NA NA NA 5- <br /> TBA NA I NA NA NA 12/1,200a <br /> NA: Not Analyzed, Not Applicable or Data Not Available <br /> mgtkg:,!milligrams per kilogram, parts per million <br /> ug/L: micrograms per liter, parts per billion <br /> WQOS..Water Quality Objectives <br /> *According to GeoTracker,wells <br /> a California Department of Public Health Notification Level/Response Level <br /> Site Description <br /> The Site is located at 757 East 11u' Street in Tracy, California and is an active canning plant. <br /> The Site is bounded by businesses to the east, west and north and East 11th Street to the south. <br /> The surrounding land use is commercial/ industrial. <br /> Site'History/Assessments <br /> In Feb"ruary 1998, soil contamination was identified during the removal of USTs. To date, eight <br /> monitoring wells have been installed and monitored regularly. A Site map showing the location <br /> of the;current USTs, monitoring wells and groundwater level contours is provided at the end of <br /> this five year summary. <br /> Remediation Summary <br /> • Free Product: No free product was documented throughout the life of this case. <br /> li>.Soil Excavation: An estimated 352 tons of impacted soil were removed and disposed <br /> offsite in 1998 and 20,000 gallons of contaminated groundwater was extracted during <br /> •tank removal. tt <br /> F y. <br /> • In-Situ Soil Remediation: No soil remediation has been conducted. <br /> • Groundwater Remediation: ORC was injected in the vicinity . <br />