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te 1 o f 1 - <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 DIPS EtBE TAME 1,2-DCA EDB Nitrate as NO3 Nitrite as N Nitrate/Nitnte as N <br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mgA) (mgA) (mgA) <br /> DW-1 2/1/02 <50 <0 50 <0 50 <0 50 <0 50 13 <0 50 42 <0 030 96 <br /> 215102 -- -- -- -- -- 16 -- -- -- -- <br /> 4/11/02 -- -- -- - <br /> 7/16/02 <br /> 10/2102 Sampled Weekly, Well Head Treatment Ongoing-- <br /> DW-2 2/1/02 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 24 <0 030 54 <br /> 4/11/02 <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 <0 50 <0 50 -- - <br /> 10/2102 <20 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 -- -- -- <br /> Notes <br /> TBA=Tert-butyl alcohol EDB=Ethylene dibromide <br /> MtBE=Methyl tert-butyl ether ppb=parts per billion <br /> DIPS=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 NitratestNitriles 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 mg/I=MCL,new water source required <br /> Nantes as N <br /> <0 5 mg/l=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/Nitntes as N <br /> <5 mg/l=Sample every three years <br /> 5a10 mg/l=Quarterly Monitoring <br /> >1=10 mgA=MCL,new water source required <br /> Projects/ARCO/595/ReportslTables/gwtables595 xls <br />