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• 0 • <br /> TABLE 2 <br /> GROUNDWATER EXTRACTION SYSTEM PERFORMANCE DATA <br /> Former Chevron Service Station 9-5775 <br /> 301 West Kettleman Lane <br /> Lodi,California <br /> p2 mf. h ,-7-:s ZPFFraslGlasollne Benzene <br /> ,,F MTBE <br /> .` anyr f 'aS� r� .t Influent <br /> fit=veakl �reta ftt1 k Influent <br /> ro ti <br /> r Tota(ixer W `< me Ischarg t� Rsrval Net Removed Conten- Removal Net Removed Conten- Removal Net Removed <br /> arpfe Cate `Viae �' ;t=tlsct�rge `K<�a attc y Rate Removed To Date tratian Rate Removed To Date tratton Rate Removed To Date <br /> S S z totes _ akt ris % T1 s w�nu ter <�« bs1 a Bunds ounds 1L lbs/da (Rounds) (pounds) lbslda ands ands <br /> INFL 02/04/03 5,843,492 144,500 684 <100 000 005 86 <2 00000 0 000 02 28 000 004 847 <br /> [NFL 02/19/03 5,998,796 155,304 718 <100 000 005 86 <2 00000 0 000 02 20 000 003 847 <br /> [NFL 03/05/03 6,138,976 140,180 708 <50 000 004 86 <2 00000 0 000 02 19 000 002 847 <br /> [NFL 03/18/03 6,262,997 124,021 680 <50 000 004 87 <2 00000 0 000 02 15 000 002 847 <br /> INFL 04/01/03 6,398,966 135,969 669 <50 000 004 87 <2 00000 0 000 02 15 000 002 848 <br /> ]NFL 04/15/03 6,532,724 133,758 669 <50 000 004 88 <2 00000 0 000 0 2 16 000 002 848 <br /> W`Cy,M`~ w'JfZ•^•�- UI ¢ < �+ K ^ <�+ wW s�C J <br /> r fa` F �SCH� FATEm�� 8,7 <br /> M SD, <br /> 8$ <br /> 0.2 948 <br /> 14 00 <br /> 01 137 <br /> 00 <br /> � lGl3F>; <br /> 00 00 <br /> QO <br /> EXPLANATIONS Notes <br /> OWL=Micrograms per liter <br /> a System started by Getder Ryan <br /> gpm=Gallons per minute b Data prior to November 1,2000 collected and reported by Gettler Ryan <br /> Ibslday=Pounds per day c Weekly O&M not performed on November 15 and 22 2000,due to system upgrades and aquifer test <br /> TPH=Total petroleum hydrocarbons d Start up of extraction well EX 3 <br /> Density of gasoline=61 pounds per gallon a Weekly Volume'discharge volume refers to total through put volume between 11/08 to 11129 2000 <br /> Density of benzene=7 34 pounds per gallon Actual weekly discharge vaned significantly due to aquifer test performance <br /> Density of MtBE=6 18 pounds per gallon f Weekly 0&M not performed on February 14 2001 Carbon vessels A 8 and C changed-out <br /> system hoses changed and vessels pressure-washed <br /> g Carbon Vessel A changed out <br /> h New totalizer installed <br /> l Pump in EX-3 replaced System down approximately 2 hours <br /> ASSUMPTIONS <br /> 1) Primary carbon loading=2,000 pounds of carbon(includes primary carbon unit only) <br /> 2) Percent carbon loading calculation assumes a loading isotherm of 3%by weight <br /> 3)Mass removal calculations assumes concentrations of one half the detection limit <br /> when concentrations are reported as below detection limits <br /> GWE Monthly As <br /> Page 5 of 5 <br />