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Three Palms Grocery - 4 - July 2012 <br /> Claim No. 13455 <br /> Supporting Site Data <br /> Tank Information <br /> Tank No. Size in Gallons Contents Closed in Place/ Date <br /> Removed/Active <br /> 1 1,000 Gasoline CIP May 89 <br /> 2 1,000 Gasoline Removed Feb 05 <br /> 3 1,000 Gasoline Removed Nov 86 <br /> 4 550 Waste Oil CIP Jul 84 <br /> 5 ? Gasoline Removed Feb 05 <br /> Monitoring Well Information _ <br /> Well Designation Date Installed Screen Interval Depth to Water <br /> (feet bgs) (feet bgs) <br /> _ Mar 2011 <br /> MW-1 Jun 99 71-91 Dr <br /> MW-2 Jun 99 71-91 90.51 <br /> MW-3 Jun 99 72-92 90.85 <br /> MW-4 Oct 05 120-130 90.05 <br /> MW-5 Oct 05 120-130 89.71 <br /> DW - - 93.19 <br /> Petroleum H drocarbon Constituent Concentration <br /> Contaminant Soil m /k Water /L WQOs <br /> Maximum Latest Maximum Latest (pg/L) <br /> a b Mar 2011 <br /> TPI-Ig 22,000 _ NA 310 <50 5 <br /> Benzene <10 _ NA 1.2 <0.5 0.15 <br /> Toluene 690 _ NA 1.1 <0.5 42 <br /> Eth (benzene 290 _ NA 3 <0.5 29 <br /> Xylenes 2,100 NA 4.2 <1 17 <br /> MTBE 0.006 NA <5 <0.5 5 <br /> TBA <10 _ NA 20 <51,200 <br /> 1,2 DCA <1 NA 40 <0.5 0.5 <br /> NA: Not Analyzed, Not Applicable or Data Not Available <br /> mg/kg: milligrams per kilogram, parts per million <br /> ug/L: micrograms per liter, parts per billion <br /> WQOs: Water Quality Objectives <br /> According to GeoTracker, soil <br /> b According to GeoTracker, wells <br /> 'Only MW-4, MW-5 and DW sampled <br /> California Department of Public Health Response Level <br />