Laserfiche WebLink
USA Petroleum -2- March 24, 200 <br /> Claim No. 6090 <br /> B. Monitoring Well Information <br /> 7MW-2 <br /> tion Date Installed Screen Interval Most Recent DTW <br /> (feet bgs} (Dec 07} <br /> Dec 98 ?-59 47.34 <br /> Mar 99 ?-59 47.91 Mar 99 ?-58 48.63 <br /> Mar 99 ?-57 48.83 <br /> Mar 99 9-58 50.21 <br /> MW-7 Mar 99 ?-58 49.73 <br /> MW-8 Mar 99 ?-58 48.18 <br /> MW-9 Se 00. 9-47 47.11 <br /> MW-10 May 00 ?-48 D <br /> ry <br /> S-1 Mar 99 ?-46 p <br /> S-2 Mar 99 ?-50 ryD <br /> ry <br /> • MTBE THREAT CLASSIFICATION: N <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) (mg/kg) Dec 07 <br /> TPH-g NA NA NA NA 15,000 <50 5 <br /> TPH-d NA NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 1,200 <0.5 0.15 <br /> Toluene NA NA 520 520 210 <0.5 42 <br /> Eth (benzene NA NA 400 400 270 <0.5 29 <br /> Xylenes NA NA 270 420 1,200 <0.5 17 <br /> MTBE NA NA 32 70 16,000 <0.5 5 <br /> TBA NA NA NA NA 8,000 <10 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 I NA 1 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 ER vironmental Protea oR Agency <br /> Qt Recycled Paper <br />