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q <br /> A, <br /> Manna Pro Corp. -2- March. 14, 2008 <br /> Claim No. 678 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most.-Recent DTW <br /> .- feet b s Se '07 <br /> MW-1 Oct 91 41-51 29:39 <br /> MW-2 O.ct 91 41-51, 29.12 <br /> MW-3 Oct 91 41-51 , 30.39 <br /> MW-4 Oct 91 40-49 - <br /> MW-5 Oct 91 30-50 30,49 <br /> I MW-6 Oct 91 30-50 29.53 <br /> i <br /> MW-7 Feb 93 30-42 29.90 ' <br /> a MW-8 Feb 93 30-42 29.98 <br /> MW-9 Feb 93 . 30-42 30.33 <br /> MW-10 Feb 93 .. 30-42 29.59 <br /> • MTBE THREAT.CLASSIFICATION: X . <br /> • LAND USE DESIGNATION: residential and commercial <br /> • ESTIMATED WATER QUALITY OBJECTIVES (WQO'S).FOR SITE: Per the <br /> i 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 1k PBGs Water to /L -WQOs <br /> [ Maximum Latest Residential Industrial . Maximum Latest (uglL) <br /> (mg/kg) m Ik Dec 07 ` <br /> TPH-q NA NA NA NA 170,000_ 79,000 5 <br /> TPH-d NA NA NA NA ND NA 49 <br /> Benzene NA NA 0.64 1.4 42,000 11;000 0.15 <br /> Toluene NA .., ,NA 520 520 51,000 6,700 42 <br /> E Eth lbenzene NA NA 400 400 3,200 560: 29 <br /> Xylenes:. NA NA 270 420 18,000 4,500 17 <br /> MTBE NA NA 32 70 ND NA 5 <br /> TBA NA. NA NA. . .. NA NA NA 12, <br /> 1,2-DCA NA ' NA NA NA' NA NA 0.5" <br /> Lead NA NA 400 800 NA. NA 15 <br /> .PCE NA NA 17 130 NA NA 0:06 <br /> TCE -. . . . . -NA ..NA .0.11 . 1.10 NA NA. 0.8 <br /> PBGs 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: several thousand cubic yards of contaminated soil were <br /> excavated <br /> t <br /> i1 <br /> 7 <br /> California Environmental Protection Agency' <br /> • Za,Recyded Paper <br />