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AMIL <br /> KLEINFELDER <br /> File No. 20-3978-01.W10 <br /> July 26, 1997 <br /> Sectionof This Recommended Recommended Remediation Goal ' <br /> Letter/Area Lead Agency <br /> 4.6/Railroad Spur PHS/EHD TTLC Regulated Level for Lead of 1000 mg/kg <br /> Areas and STLC Regulated Level for Lead of 5 µg/kg <br /> per 22CCR§66261. <br /> 4.7/Orchard Area PHS/EHD U.S. EPA Region IX Preliminary Remediation <br /> Goals (PRGs) for Residential Property dated <br /> August 1, 1996 of: <br /> • 4,4'-DDE(soil)= 1,300 gg/kg <br /> • 4,4'-DDT(soil)= 1,300 µg/kg <br /> • 2,4-DB (soil)=520,000 µg/kg <br /> • Groundwater cleanup is not applicable <br /> 4.8/Geophysical RWQCB NOTA PART OF THIS SB1248 FWR <br /> Investigation <br /> 4.9/Potential RWQCB Subsequent sampling has shown non-detectable <br /> Landfill Locations volatile organics by EPA 8260. Therefore, no <br /> further environmental monitoring or mitigation is <br /> recommended. <br /> NOTA PART OF THIS SB1248 FWR <br /> 4.10/Former UST PHS/EHD U.S. EPA Region IX Preliminary Remediation <br /> Locations Goals (PRGs) for Industrial Property <br /> dated August 1, 1996 of- <br /> total <br /> ftotal xylenes (soil)=320 mg/kg <br /> • barium(soil) = 5,300 mg/kg <br /> • total chromium(soil)=210 mg/kg <br /> • cobalt(soil)=4,600 mg/kg <br /> • copper(soil)=2,800 mg/kg <br /> • total lead(soil)=400 mg/kg <br /> • mercury(soil)=6.5 mg/kg <br /> • nickel(soil)= 1,500 mg/kg <br /> • silver(soil)=380 mg/kg <br /> • vanadium(soil)=540 mg/kg <br /> • zinc (soil) =23,000 mg/kg <br /> • toluene(water) =720 µg/L <br /> • barium (water)=2.6 mg/L <br /> • zinc (water) = 11 mg/L <br /> NOT A PART OF THIS SB1248 FWR <br /> 20-3978-01.W10/2017L155 Page 42 of 50 Copyright 1997,Kleinfelder,Inc. <br />