Laserfiche WebLink
Harry's Auto Mart �" - 3 - September 2012 <br /> Claim No. 15094 <br /> BENZENE Results for MW3 ' <br /> 500-- <br /> 450- <br /> 400 <br /> 00 450 400 --- -- ----- - - ---.� <br /> 350 <br /> 300 -- --- — — -- -- --j. <br /> 250 <br /> 75 <br /> S 200 � <br /> - -- I ---- -1-. . <br /> . 150 — --4 -- ' I - I,,— ------ ---=—� <br /> 100 -- -: '_ _ 1 �:.r— �r.s-d+;*`c?� •. �.��_I <br /> 50 jam : r •u w r. r_ <br /> I! <br /> I <br /> BENZENE + Trend <br /> -- _---- - - .,..,.��- .,..-•.�BENZENEResults:for�MW2 ' <br /> -60 <br /> 50 s ' <br /> 75 <br /> 16 <br /> 1 y <br /> :-.—BENZENE -Trend • . <br /> r <br /> ti <br /> Receptors <br /> • GW Basin: San Joaquin Valley— Eastern San Joaquin. <br /> • Beneficial Uses: None specified, deeper aquifer(s) used for drinking water supply. <br /> • Land Use Designation: Commercial. <br /> • Public Water.System: California Water Service. <br /> • Distance to Nearest Supply Well: According to data available in GeoTracker, there are <br /> ten CDPH regulated water supply wells within ?/2 mile of the site; nearest well is 201 feet <br /> from the Site. ­ - <br /> • Distance to Nearest Surface Water: Stockton Canal lies '/2 mile northwest from the Site. <br /> Risk Criteria <br /> • -Estimate of Hydrocarbon Mass in Soil: Prior to remediation, 14,300 pounds of TPHg <br /> remain in Site.soils (Geo-environmental). <br /> • Soil/Groundwater Tested for MTBE: Yes, see table below. <br /> •. Plume Length, Extent and Mobility: <200 feet, defined, stable. <br /> Contaminated Zone(s) Used for Drinking Water: No. <br /> • Oxygen Concentrations in Soil Vapor: No data. - <br /> • Indoor Vapor Risk from Residual Petroleum Hydrocarbons: Meets low threat closure <br /> criteria 2a. <br /> Direct Contract Risk from Residual Petroleum Hydrocarbons: Site is paved preventing <br /> incidental exposure. <br />