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JM Equipment Co. _2_ • <br /> Claim No. 12607 April 15, 2010 <br /> B. MonitoringWell Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Dec 09 <br /> MW-1 Apr 99 ?-38 <br /> MW-2 Apr 99 ?-38 <br /> MW-3 Jun 00 15-35 - <br /> MW-4 Apr 99 15-35 14.72 <br /> MW-5 Apr 99 15-35 15.50 <br /> MW-6 Apr 99 15-35 14.96 <br /> MW-7 Jun 01 10-30 - <br /> MW-8 Apr 99 15-35 15.52 <br /> MW-9 Apr 99 15-35 15.19 <br /> MW-10 Jun 01 11-30 - <br /> MW-109 Jun 01 75-80 - <br /> • MTBE THREAT CLASSIFICATION: C <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 (u/L WQOs <br /> Maximum Latest Maximum Latest (ug/L) <br /> Dec 09 <br /> TPH- NA NA 162,000 108,000 5 <br /> TPH-d NA NA NA NA 56 <br /> Benzene NA NA 34,000 . 28,400 0.15 <br /> Toluene NA NA 15,000 7,170 42 <br /> Eth lbenzene I NA NA 11,800 5,000 29 <br /> Xylenes NA NA 19,000 14,400 17 <br /> MTBE NA NA 1,700 48.1 5 <br /> TBA NA NA 380 ND 12 <br /> 1,2-DCA NA NA 800 NA 0.4 <br /> Lead NA NA NA NA 15 <br /> PCE NA NA NA NA 0.06 <br /> TCE NA NA I NA NA 0.8 <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: ncne identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: over excavation is pending <br /> B. In-Situ Soil Remediation: none identified <br /> California Environmental Protection Agency <br /> P.,a Recyc%d Paper <br />