Laserfiche WebLink
Helen Higgins <br /> _3_ May 9,-2008 <br /> Claim No. 11775 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /kg PRGs Water (ug/L WQOs <br /> Maximum Latest Residential Industrial Maximum Latest (ug/L) <br /> m Ik (mg/kg) Dec 07 <br /> TPH-9 NA NA NA 1,410 930 5 <br /> TPH-d NA NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 39 6 0.15 <br /> Toluene NA NA520 520 6 <0.5 42 <br /> Eth !benzene NA NA 400 400 11 0.58 29 <br /> Xylenes NA NA 270 420 18 1.3 17 <br /> MTBE NA NA 32 70 0.73 <0.5 5 <br /> TBA NA NA NA NA NA <20 12 <br /> 1,2-DCA NA NA NA NA 57 20 0.5 <br /> Lead NA NA 400 800 NA NA 15 <br /> PCE . NA NA 17 130 3.6 0.74 0.06 <br /> TCE NA NA 0.11 110 27 <5 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 /> WOO Water Quality Objectives <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown,volume <br /> B. In-Situ Soil/ groundwater Remediation: none identified <br /> C. Groundwater Trends: <br /> • Benzene trends are shown below <br /> Claim 11775 <br /> 20 <br /> 10 MW-3s <br /> w <br /> m. <br /> 0 <br /> 0o O� Off` op` <br /> o O� orO <br /> O\`� 'bo q�ry0 !o\`�O '�\�,o �j\`�O `'��`�o `'�\`to `���yo `ti"'s <br /> t <br /> Time <br /> f . <br /> CahforniaElivironmenlalrorection�gency <br /> �C;Recycled Pa e� <br /> I <br />