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1. <br /> Moller Investment Groulp -2- • April 2, 200 <br /> Claim No. 6098 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Dec 07 <br /> MW-3P Feb 05 ?-87 53.22 <br /> MW-4P Feb 05 ?-89 53.92 <br /> MW-5P Feb 05 ?-86 53.61 <br /> MW-6P Feb 05 ?-84 54.26 <br /> MW-1 Feb 05 ?-77 53.51 <br /> MW-2 Feb 05 ?-79 54.24 <br /> MW-1 P Feb 05 ?-67 54.02 <br /> MW-2P Feb 05 ?-69 54.09 <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 PRGs Water u /L WQOs <br /> Maximum Latest Residential Industrial Maximum Latest (ug/L) <br /> m /k m /k Dec 07 <br /> TPH- NA NA NA NA 1,800 1,200 5 <br /> TPH-d NA NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 39 300 0.15 <br /> Toluene NA NA 520 520 1.6 63 42 <br /> Eth (benzene NA NA 400 400 3.8 5.2 29 <br /> X lenes NA NA 270 420 7.9 14 17 <br /> MTBE NA NA 32 70 1,100 860 5 <br /> TBA NA NA NA NA 430 670 12 <br /> 1,2-DCA NA NA NA NA 22 8:3 0.5 <br /> Lead NA NA 400 800 NA NA 15 <br /> PCE NA NA 17 130 NA NA 0.06 <br /> TCE NA NAI 0.11 110 NA NA I 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 /> 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 /> California Environments/Protection Agency <br /> A <br /> Q.*Recycled Paper <br />