Laserfiche WebLink
James Langston -2- January 10, 2011 <br /> Claim No. 367 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Depth to Water <br /> (feet bgs) (feet bgs) <br /> June 2010 <br /> MW-1 Mar 99 ?-27 14.28 <br /> MW-2 Mar 99 ?-27 14.54 <br /> MW-3 Mar 99 ?-27 14.73 <br /> MW-4 Mar 99 ?-27 14.63 <br /> MW-5 Dec 00 ?-30 14.39 <br /> MW-6 Dec 00 ?-30 - <br /> MW-7 Dec 00 ?-30 14.84 <br /> MW-8 Dec 00 ?-30 14.53 <br /> DPE-1 Jun 07 ?-25 14.26 <br /> DPE-2 Jun 07 ?-25 13.64 <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 Water (ug/L WQOs <br /> Maximum Latest Maximum Latest (ug/L) <br /> June 2010) <br /> TPH-g NA NA 32,000 30,000 5 <br /> Benzene NA NA 540 34 0.15 <br /> Toluene NA NA 480 9.3 42 <br /> Eth lbenzene NA NA 2,000 85 29 <br /> Xylenes NA NA 11,000 21450 17 <br /> MTBE NA NA 200 <1 5 <br /> TBA NA NA <25 NA 12 <br /> 1,2-DCA NA NA <0.5 NA 0.4 <br /> NA: Not Analyzed, Not Applicable or Data Not Available <br /> mg/kg: milligrams per kilogram, parts per million <br /> ug/L: micrograms per liter, parts per billion <br /> WQOs: Water Quality Objectives <br /> FP Free phase product in site wells <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: 3,000 tons of contaminated soil was excavated in Aug 95 <br /> B. In-Situ Soil/ Groundwater Remediation: none conducted <br /> CaAforuia Eavironmeata/Protecdon Agency <br /> .o <br /> 2d neryrJedPap,. <br />