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i • i <br /> CAMBRIA <br /> Table 1, Aquifer Pump Test-Mass Removal Data,Former Shell Service Station/Econo Gas, 880 Victor Road,Lodi,California <br /> MTBE <br /> Elapsed Flow Meter Period Flow Cumulative MTBE Period Cumulative <br /> Date Time Time Reading Volume Rate Volume Cone Removal Removal <br /> (mm/dd/yy) (hh mm) (min) ( al) ( al) ( m) ( al) (ppb) (pounds) (pounds) <br /> 1515 4398 27,536 87 073 3,303 77,000 0 056 272 <br /> 10/25/02 1105 5588 28,386 850 071 4,153 OW 327 <br /> 1240 5683 28 456 70 074 4,223 0 045 332 <br /> 1314 5717 28,4815 26 075 4,2485 79,000 0 017 333 <br /> I <br /> 10/30/02 Fourth Quarter 2002 Well MW-4 Monitoring Lab Data 89,000 <br /> I <br /> Total Gallons Extracted 4,248 5 Total Pounds Removed 333 <br /> Avg Flow Rate 074 ITotal.Gallons Removed 0 540 <br /> Abbreviations&Notes <br /> MTBE=Methyl tertiary butyl ether <br /> Conc =Concentration <br /> gal=Gallon <br /> gpm=Gallons per minute <br /> ppb=Parts per billion,equivalent toµg/L <br /> µg=Microgram <br /> L=Liter <br /> g=Gram <br /> cc=Cubic centimeter <br /> Mass removal(pounds)based on the formula volume extracted(gal)x Concentration(lig/L)x(g/Wjig)x(pound/453 6g)x(3 785 L/gal) <br /> Volume removal(gallons)based on the formula mass(pounds)x(density)`(cctg)x(453 6 glpound)x(Ul000 cc)x(gal/3 785 L) <br /> Density inputs MTBE=0 74 g/cc <br /> MTBE analyzed by EPA Method 82608 <br /> I <br /> I <br /> Page 2 of 2 <br /> 0955 <br />