Laserfiche WebLink
Mary Sanchez -2- March 21, 2008 <br /> Claim No. 1026 <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feet b s Jul 07 <br /> MW-2 Apr 93 ?-44 12.81 <br /> MW-3 Apr 93 ?-43 12.23 <br /> MW-4 Sep 94 ?-42 12.08 <br /> MW-5 Sep 94 ?-31 13.03 <br /> MW-6A Apr 01 ?-27 12.04 <br /> MW-613 Apr 01 ?-38 11.94 <br /> MW-7A Apr 01 ?-38 12.17 <br /> MW-713 Apr 01 ?-38 12.02 <br /> MW-8A Jul 04 ?-29 12.20 <br /> MW-18B Jul 04 ?-37 12.13 <br /> MW-9A Jul 04 ?-29 11.67 <br /> MW-9B Jul 04 ?-40 11.71 <br /> MW-10 Jul 04 ?-43 11.78 <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 tk PRGs Water (ug/L WQOs <br /> Maximum Latest Residentiai Industrial Maximum Latest (ug/L) <br /> — (mg/kg) (mg/kg) Ma 06 <br /> TPH-g NA NA NA NA 53,000 6,100 5 <br /> TPH-d NA NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 16,000 410 0.15 <br /> Toluene NA NA 520 520 3,300 8.4 42 <br /> Eth (benzene NA NA 400 400 2,300 130 29 <br /> Xylenes NA NA 270 420 13,000 290 17 <br /> MTBE NA NA 32 70 490 21 5 <br /> TBA NA NA NA NA 70 5.2 12 <br /> 1,2-DCA NA NA NA NA ND 29 0.5 <br /> Lead NA NA 400 800 NA NA 15 <br /> PCE NA NA 17 130 NA NA 0.06 <br /> FT—CE NA NA 0.11 110 NA NA 0.8 <br /> DRGs 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 /> WOO Water Quality Objectives <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> California Environmental Protection Agency <br /> Q*Recycled Paper <br />