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REPORT REPORT MAXIMUM CONCENTRATION RECOMMEN. CLEAN-UP MCL/ RECOMMENDED CLEAN-UP <br /> DATE TITLE, ENCOUNTERED ''DED LEAD GOALSSMCL' GOALS FOR THIS SITE <br /> KLEINFELDER' AGENCY (SOIL) (DRINKING <br /> FILE NUMBER WATER) <br /> AND SITE <br /> DESCRIPTION <br /> (continued Proposed Residential Area Proposed Proposed Proposed Proposed Residential Area <br /> from (Borings 5-5 and 5-6): Residential Residential Area Residential Area (Borings 5-5 and 5-6): <br /> (Borings 5-5 and <br /> previous Area Borings 5-6): (Borings 5-5 and <br /> page) (continued from previous page) 5-5 and 5-6): 5-6): (continued from previous page) <br /> (continued from (continued from (continued from (continued from <br /> previous page) <br /> previous page) previous page) previous page) <br /> 2/24/97 "Limited Phase H Hg=0.026 mg/kg in soil PHS/EHD jury(wit): TPH-UEH=no total lead(soil)=400 mg/kg <br /> TTLC—20 mercury(soil)=20 mg/kg <br /> Soil and Pb=6.2 mg/kg in soil mg/kg,STLC= known cleanup nickel(soil)= 1,500 mg/kg <br /> Groundwater Hg=0.026 mg/kg in soil 0.2 mg/L goals silver(soil)=380 mg/kg <br /> Assessment, Ni=11 mg/kg in soil <br /> Septic Ag=0.29 mg/kg in soil lead(soil)=1,000 <br /> Systems...." mg(rg(TTLC) <br /> and 5 mg/L. <br /> (File 20-3978- TPH-UEH= 180µg/L(C14 to C30)in (STLC),PRG-r <br /> O1.WR5) groundwater (nc)=400 mg/kg, <br /> PRG-i(nc)=1000 <br /> Borings 5-5 and mg(rg <br /> 5-6 were all nickel(soil): <br /> advanced in the TTLC=2,000 • <br /> old"cottage area" mg/kg,STLC= <br /> just off Yosemite 20 mgt PRG-r= <br /> Boulevard. This 1,500 mg/kg <br /> area is planned silver(soil): <br /> for residential TTLC=500 <br /> use. mg/kg,STLC=5 <br /> mg/L,PRG-r(nc) <br /> =380 mg/kg, <br /> PRG-i(nc)=8500 <br /> mg/kg <br /> 20-3978-01.W35/2017L308 Page No.43 of 66 <br /> Q 1997,Kleinfelder,Inc. August 8, 1997 <br />