Laserfiche WebLink
Mei Teranishi 0 -3- • April 4, 2008 <br /> Claim No. 8475 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m Ik PRGs Water (ug/L WQOs <br /> Maximum Latest Residential Industrial Maximum Latest (ug/L) <br /> (mg/kg) (mg/kg) Oct 07 <br /> TPH-g NA NA NA NA FP 24,000 5 <br /> TPH-d NA NA NA NA FP NA 49 <br /> Benzene NA NA 0.64 1.4 FP 330 0.15 <br /> Toluene NA NA 520 520 FP 900 42 <br /> Eth (benzene NA NA 400 400 FP 39 1 29 <br /> Xylenes NA NA 270 420 FP 3,200 17 <br /> MTBE NA NA 32 70 FP 12 5 <br /> TBA NA NA NA NA FP <5 12 <br /> 1,2-DCA NA NA NA NA FP 3.1 0.5 <br /> Lead NA NA 400 800 FP NA 15 <br /> PCE NA NA 17 130 NA NA 0.06 <br /> TCE NA NA 0.11 110 NA NA 0.8 <br /> PRGs USEPA Region 9 Preliminary Remediation Goals <br /> MCL Maximum Contaminant Levels <br /> AL Action Level <br /> NA Not Analyzed, Not Applicable,or Data Not Available <br /> WQO Water Quality Objectives <br /> FP Free Product <br /> V. FREE PRODUCT: MW-2 has contained free phase product, 1996 through 1998. <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil/ Groundwater Remediation: RAP in preparation <br /> C. Groundwater Trends: <br /> • Benzene trends are shown below <br /> Claim 8475 <br /> 4000 <br /> 3500 <br /> 3000 tMW-1 <br /> ,- 2500 <br /> c 2000 <br /> N 1500 MWS <br /> m 1000 <br /> m 500 <br /> "� ry <br /> (ZIP � <br /> 6 0 '� 1 <br /> Time <br /> California Environmeata/Protection Agency <br /> Q1 RecydedPaper <br />