Laserfiche WebLink
Stephen's Marine -2- "` June 24, 2008 <br /> Claim No. 12858 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Jan 08 <br /> MW-1 Jan 98 5-20 8.51 <br /> MW-2 Jan 98 5-20 7.80 <br /> MW-3 Jan 98 5-20 8.64 <br /> MW-4 Jan 98 5-20 8.24 <br /> MW-5 Jan 98 5-20 9.03 <br /> MW-6 Jan 98 5-20 _ <br /> MW-7 Jan 06 5-20 8'04 <br /> MW-8 Jan 06 5-20 8.68 <br /> MW-9 Jan 06 5-20 8.38 <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 (ug/L WQOs <br /> Maximum Latest Residential Industrial Maximum Latest (ug/L) <br /> (mg/kg) m /k Jan 08 <br /> .2— NA NA NA NA 6,900 3,800 5 <br /> TPH-d NA NA NA NA 1,800 NA 49 <br /> Benzene NA NA 0.64 1.4 420 14 0.15 <br /> Toluene NA NA 520 520 270 3.5 42 <br /> Eth (benzene NA NA 400 400 230 9 29 <br /> X lenes NA NA 270 420 680 15 17 <br /> MTBE NA NA 32 70 26 <1 5 <br /> TBA NA NA NA NA 7.5 <10 12 <br /> 1,2-DCA NA NA NA NA 2.7 <0.5 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 0.11 110 NA NA 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 /> California En vironmeatal Proteetion Agency <br /> Za R"Y"ed Paper <br />