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KNOWLES STATION Page 2 of 2 <br /> Petroleum Constituents in Soil <br /> r s 5 Feet bgs l: >5 Feet bgs and s10 Feet bgs r Unknown <br /> Soil Concentrations of Benzene <br /> C >1 9 mg/kg and s 2 8 mg/kg r >2 8 mg/kg and s 8.2 mg/kg r >8.2 mg/kg and 5 12 mg/kg r>12 mg/kg and s 14 mg/kg r->14 mg/kg r Unknown <br /> Soil Concentrations of EthylBenzene: <br /> C >21 mg/kg and s 32 mglkg C >32 mglkg ands 89 mg/kg r >89 mglkg and s 134 mg/kg r>134 mg/kg and 5 314 mg/kg r >314 mg/kg r Unknown <br /> Soil Concentrations of Naphthalene: <br /> r >9 7 mglkg and<_45 mg/kg r >45 mg/kg and s 219 mg/kg r >219 mg/kg G Unknown <br /> Soil Concentrations of PAH: <br /> C' >0 063 mg/kg and s 0,68 mg/kg r>0.68 mg/kg and s 4.5 mg/kg r>4.5 mg/kg /' Unknown <br /> Area of Impacted Soil: <br /> r Area of Impacted Soil>82 by 82 Feet r Unknown <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy criteria? r YES r NO <br /> SPELL CHECK <br /> Save in Progress <br /> LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 6/28/2013 <br />