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c <br /> 41of1 <br /> Table 5 <br /> Domestic Well Fuel Oxygenates and Nitrate/Nitrite Analytical Data <br /> ARCO Service Station#595 <br /> 6100 N Highway 99,Stockton,CA <br /> well Date TBA MtBE DIPE EtBE TAME 1,2-DCA EDB Nitrate as NO, Nitrite as N Nitrate/Nitrite as N <br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mgA) (mgA) (mgA) <br /> DW-1 211102 <50 <0 50 <0 50 <0 50 <0 50 13 <0 50 42 <0 030 96 <br /> 2/5102 -- -- -- -- -- 16 -- -- -- <br /> 4111102 -- -- -- <br /> 7116102 Sampled Weekly, Well Head Treatment Ongoing <br /> DW-2 211/02 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 24 <0 030 54 <br /> 4/11102 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 — — — <br /> 7/16/02 <5 0 <0.50 <0 50 <0 50 <0 50 <0S0 <0 50 — — — <br /> Notes <br /> TBA=Tort-butyl alcohol EDB=Ethylene dibromide <br /> MtBE=Methyl tert-butyl ether ppb=parts per billion <br /> DIPE=Di-isopropyl ether mg/l=milligrams per liter <br /> EtBE=Ethyl tert-butyl ether DW=Domestic Well <br /> TAME=Tert-amyl methyl ether <=below given laboratory detection limit <br /> 1,2-DCA=1,2-Dichloroethane N=Nitrogen <br /> Regulatory Requirements for Nitrates,Nitrites,and Nitrates/Nitnies as Nitrogen per San Joaquin County Department of Health Services <br /> Nitrates as NO3 <br /> <22 5 mg/l=Annual Monitoring <br /> 22 5<45 mg/l=Quarterly Monitoring <br /> >/=45 mgA=MCL,new water source required <br /> Nitrites as N <br /> <0 5 mgA=Sample every three years <br /> 0 5>1 0 mg/l=Quarterly Monitoring <br /> >/=1 0 mg/l=MCL,new water source required <br /> Nitrates Nitrites as N <br /> <5 mgA=Sample every three years <br /> 5>10 mg/l=Quarterly Monitoring <br /> >1=10 mgA=MCL,new water source required <br /> 1 <br /> Projects/ARCO1595/ReporWrables/gwtables595 As <br />