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KLEINFELDER <br /> File No. 20-3978-O1.W10 4 <br /> July 26, 1997 <br /> Section of This Recommended Recommended Remediation Goal ' <br /> Letter/Area Lead Agency <br /> 4.6/Railroad S�jup PHS/EHD TTLC Regulated Level for Lead of 1000 g <br /> Areas �7 " and STLC Regulated Level for Lead of 5 µg/kg <br /> per 22CCR§66261. <br /> —t47:/Orchard Area PHS/EHD U.S. EPA Region IX Preliminary Remediation <br /> Goals (DRGs) for Residential Property dated <br /> August 1, 1996 of: ►l��p �'� .p`J <br /> 7 • 4,4'-DDE (soil) = 1,300µg/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 / eo ysical RWQCB NOTA PART OF THIS SB1248 FWR <br /> Inv ti <br /> n / <br /> 4.9/Potential RWQCB Subsequent sampling has shown non-detectable ` /t <br /> Lan 1 L cations volatile organics by EPA 8260. Therefore, no <br /> further environmental monitoring or mitigation is <br /> ended. <br /> NOTA PA THIS 124 WR <br /> 4.10/Former PHS/E U.S. EPA Region IX Preliminary Remediation <br /> 'cations Goals (PRGs) for Industrial Property <br /> dated August 1, 1996 of: <br /> • total 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 m k <br /> • otal lead(soil)=400 m k <br /> • mercury(soil) =6.5 mg/kg Q6 <br /> • nickel (soil) = 1,500 mg/kg <br /> • silver(soil) = 380 mg/kg ��Jy✓ <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) = I 1 mg/L <br /> NOTA PART OF THIS SB1248 FWR <br /> 20-3978-01.W1012017L155 Page 42 of 50 Copyright 1997,Kleinfelder,Inc. <br />