Laserfiche WebLink
James Langston -2- March 2, 2009 <br /> Claim No. 367 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s (Aug08 <br /> MW-1 Mar 99 ?-27 17.45 <br /> MW-2 Mar 99 6-V ?-27 17.80 <br /> MW-3 Mar 99 ?-27 17.77 <br /> MW-4 Mar 99 ?-27 17.70 <br /> MW-5 Dec 00 ?-30 17.44 <br /> MW-6 Dec 00 -100 ?-30 17.75 <br /> MW-7 Dec 00 ?-30 - <br /> MW-8 Dec 00 ?-30 17.65 <br /> DPE-1 Jun 07 7 ?-25 17.36 <br /> DPE-2 Jun 07 ?-25 16.70 <br /> • MTBE THREAT CLASSIFICATION: N <br /> • LAND USE DESIGNATION: residential and commercial <br /> • ESTIMATED WATER QUALITY OBJECTIVES (WQO'S) FOR SITE: Per the <br /> Water Quality Control Plan (Basin Plan) for the Sacramento River Basin and the <br /> San Joaquin River Basin (Fourth Edition). <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k ESLs Water (ug/L WQOs <br /> Maximum Latest Shallow Industrid Maximum Latest (ug/L) <br /> Soil Dermal (Aug 08) <br /> Residential (m9/kg) o Ute% <br /> (mg/kg) <br /> oU <br /> TPH-g NA NA 83 450 32,000 -I T' 5 <br /> TPH-d NA NA 83 450 NA NA 56 <br /> Benzene NA NA 0.044 0.27 540 —2e@230 0.15 <br /> Toluene NA NA 2.9 210 480 1Ar5•17 42 <br /> Eth (benzene NA NA 2.3 5.0 2,000 130 29 <br /> Xylenes NA NA 2.3 100 11,000 X29 17 <br /> MTBE NA NA 0.023 65 200 —<4 ZI 5 <br /> TBA NA NA 0.075 320,000 <25 <10 12 <br /> 1,2-DCA NA NA 0.0045 0.48 <0.5 �- . 0.4 <br /> Lead NA NA 200 750 NA NA 15 <br /> PCE NA NA 0.37 0.95 NA NA0.06 <br /> TCE NA NA 0.46 4.1 NA NA 0.8 <br /> 1 Environmental Screening Levels(ESLs)Shallow Soil<3m,Groundwater is source of Drinking Water. - <br /> 2 ESLs,Shallow Soil Screening Levels,Groundwater not source of Drinking Water,Commercial Use, Direct Exposure, <br /> Worker <br /> NA Not Analyzed, Not Applicable,or Data Not Available <br /> WOO Water Quality Objectives <br /> FP Free phase product in site wells <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> California Environmenta/Protection Agency <br /> • P.a Recycled Paper <br />