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11111 INN OMB NM 11111 11111 1111 111111 11111 Ell EN 11111 11111 NB NIB NI Eli MINI Nil <br /> Hot Spot Areas <br /> Diesel/Oil Range in Soil Gaso ' e Range *n Soil <br /> <2,000 mg/kg . • <30 mg/kg <br /> Hot Spot Areas in utility corridors or ROWs <br /> • >2,000 to <5,000 mg/kg III >30 to <300 mg/kg <br /> 000 tr, --7 qnn MO/1(0 <br /> • >300 to <1,000 mg/kg <br /> I 1 <br /> , Johnston Petroleum Bld. Footprint <br /> ---- '' , <br /> •) >7,500 to <10,000 mg/kg • >1,000 mg/kg <br /> ,..._.- : . <br /> I <br /> Oa' ill, >10,000 1 Independent excavation area <br /> ' .. ,. <br /> .., <br /> LPH observed in wells or dewatering wells during the city force main project <br /> Soils at residual saturation identified by ExxonMobil ADC <br /> LPH observed during city CSO force main project or the side sewer connection as part of a 1993 recovery trench <br /> Extent of soil contamination. <br /> ... <br /> — Dissolved phase plume as presented in the draft FFS. <br /> Utilities were identified from the draft FFS <br /> Block 619 Boundary <br />