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i • • <br /> CAMBRIA <br /> TPH& Benzene MTBE <br /> Site Flow Meter Cumulative Flow TPHg Period Cumulative Benzene Period Cumulative MTBE Period Cumulative <br /> Visit Reading Volume Rale Conc Removal Removal Cone Removal Removal Cone Removal Removal Active <br /> (mmld } <br /> (;al) (Lai) { m) (ppb) (pounds) (pounds) (ppb) (pounds) (pounds) ( b) (pounds) (pounds) Wells Comments <br /> System shut down on 811102 for LEL <br /> meter repairs System operated on <br /> 8127102 while samples were taken but <br /> 08/27102 903 408 903,388 122 NS 2809 3826 NS 3 986 5583 NS 2990 5379 RW 1A shut down For further LEL meter repairs <br /> 09124/02 927,730 957,710 060 31,000 629 388 9 4,400 0 893 S673 33,000 670 $445 RW 1A <br /> r <br /> Abbreviations&Notes <br /> TPHg=Total purgeable hydmoarbons as gasoline <br /> MTBE-Methyl tort butyl ether <br /> Cone =Concentration <br /> ppb=Pain per billion equivalent to pVL <br /> )tglL=Micrograms per liter <br /> L=Liter <br /> gpm-Gallons per minute <br /> gal-Gallon <br /> g a Gram <br /> NS-Not sampled <br /> Mass removed based on the formula volume extracted(gal)x Concentration(lig/L)x(81106µg)x(pound/453 6g)x(3 795 Ugal) <br /> When consutuents am not detected,the concentration is assumed to be equal to half the detection limit in subsequent calculations <br /> Volume removal data based an the fam"a.mass(pounds)x(densityyI(croslg)x 453 6(g/pmnd)x(1.11000 cm?)x(galla 785 L) <br /> Density inputs TPHg-0 73 gleet' TPHd=0 87 g/cros,MTBE=0 74&(cm3 <br /> TPHg benzene and MTBE analyzed by EPA Method 82608 <br /> Page 2 of 2 <br /> 0783 <br />