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CAMBRIA <br /> Tableai+gf al'uau"*U kraetion Mass R lovjli Urvtce Slalt©n,2575 Cotttlt>y Club awo"Wxx �tocw,114 <br /> TPHg Benzene 'MTBE <br /> Site Flow Meter Cumulative Flow TPHg Period Cumulative Benzene Period Cumulative MTBE Period Cumulative <br /> Visit Reading Volume Rate Conc Removal Removal Conc Removal Removal Conc Removal Rcmo3al Active <br /> (mm/ddly ) (gal) (gal) (gpm) (ppb) (pounds) (pounds) (ppb) (pounds) (pounds) (ppb) (pounds) (pounds) Wells Comments <br /> 10/07/02 953 205 953 185 136 23 000 489 3937 3 300 0 701 5743 36 000 765 5522 RW-]A <br /> 10!22102 1 013 230 1013 210 278 33 000 1653 410 3 3 500 1 753 5918 28 000 1402 5662 RW 1A <br /> 11107/02 1051 409 l 051 389 166 17000 5 42 415 7 2 800 0 892 6007 39 000 1242 5786 RW ]A Flow Meta Calibrated on I 1 i7l02 <br /> 11/21/02 I,053,840 1,053,820 012 26,000 053 4162 6,800 0138 6021 58,000 118 5798 RW-lA <br /> 12104/02 1,115,243 1,115,223 328 25,000 1281 4290 3,100 1 588 6180 23,000 11 78 5916 RW lA <br /> Carbon changeout performed an <br /> 12/23103 System downtime <br /> 12/26/02 1,211,800 1,211,780 305 9,000 725 4363 X50 0 020 6182 24,000 1934 6109 RW-JA approximately 12 hours <br /> Pump replaced on 1!24103 System <br /> 01124103 1,227,750 1 227 730 038 4 900 065 4369 670 0 089 6191 10,000 133 6123 Rv"A downtime approximately 27 days <br /> 02/21/03 1,305,160 1,305,140 192 17,000 1098 4479 2,400 1 550 6346 20,000 1292 6252 RW 1 A Flow meter calibrated on 2110103 <br /> 03/05/03 45 970 1,357,110 301 33,000 1431 4622 3,400 1 474 6493 28,000 1214 6373 RW 1 A Flow meter replaced on 2125/03 <br /> `otai-GaHonta ttiraeledt 1,357,110 462 Total Paands Remn+'O> #� a-��el�l � - - d m �a�r�r e �' �`_6=u m : T � <br /> TotaliGallans eraaved 7514 Toes!Callous Removed,- <br /> -19 4 it e <br /> Abbreviations&Notes <br /> TPHg=Total purgeable hydrocarbons as gasoline <br /> MTBE=Methyl ten butyl ether <br /> Conc =Concentration <br /> ppb=Parts per billion equivalent to pg1L <br /> µg/L=Microgfams per liter <br /> L=Liter <br /> gpm=Gallons per minute <br /> gal=Gallon <br /> g=Gram <br /> NS=Not sampled <br /> Mass removed based on the formula volume extracted(gal)x Concentration(µgjl.)x(g11061,g)x(pound/453 6g)x(3 785 Ugal) <br /> When constituents are not detected the concentration is assumed to be equal to half the detection limit in subsequent calculat=ons <br /> Volume removal data based on the formula mass(pounds)x(density}](cm'/g)x 453 6(g/pound)x(1/1000 cm3)x(ga1/3 785 L) <br /> Density inputs TPHg=0 73 g/cm' TPHd-0 87 g/cm' MT13F-0 74 glcm' <br /> TPHg benzene and MTBE analyzed by EPA Method 8260B <br /> Page 2 of 2 <br /> 0783 <br />