Laserfiche WebLink
-ShockTtucKStop -:3 - September 201'2.,, <br /> Claim No. 9384 , <br /> TOTAL PETROLEUM HYDROCARBONS(TPH)AS DIESEL FUEL(TPHD)Results for MW 1 F <br /> 180000 <br /> 160000 -- -sp- t... . . ........... <br /> 140000.. <br /> 120000 --I - <br /> 100000,-mr <br /> 60000 ---i <br /> 60000 s .... <br /> + 40000 - R.`R�." '1°•i' �,T�� _ .. _ -�...-._{ - <br /> 20000 -��-v I �--no.`-.pF� .'� 1 -"jh�,�...-.-.-... - . <br /> 'rte , 101, .�° Ilet <br /> +�a..TOTAL PETROLEUM HYDROCARBONS(TPH)AS DIESEL FUEL(TPHD) Trend <br /> TOTAL PETROLEUM HYDROCARBONS(TPH)AS DIESEL FUEL(TPHD)Results for MWS <br /> 40000 <br /> 35000 <br /> 30000 <br /> �25000 I <br /> 20(Y00 <br /> 10000 <br /> sono - <br /> TOTAL PETROLEUM HYDROCARBONS(TPH)AS DIESEL FUEL(TPHD) Trend <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: None specified, aerial photo show site is commercial surrounded <br /> by mixed commercial and residential. <br /> • Public Water System: City of Ripon. <br /> • Distance to Nearest Supply Well: According to data available in GeoTracker, there are <br /> two CDPH regulated water supply wells within '/2 mile of the site; nearest well is <br /> 2,205 fest west from the Site. <br /> Distance to Nearest Surface Water: San Joaquin Rivers lies one mile east from the Site. <br /> Risk Criteria <br /> • Estimate of Hydrocarbon Mass in Soil: None reported. <br /> • Soil/Groundwater Tested for MTBE: Yes, see table below. <br /> • Plume Length, Extent and Mobility: X100 feet, defined, decreasing in size and <br /> concentration. <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: No human health risk <br /> assessment noted in Geotracker. According to the recently approved low-threat closure <br /> policy, no significant risk'since benzene concentrations are less than 100 and the depth <br /> to groundwater is greater than 5 feet, consistent with special criteria 2a. <br />