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y4 P <br /> TableB-2 <br /> Ozone Injection-Groundwater Monitoring Data <br /> 76(Former BP)Station No. 11195 <br /> 16500 Interstate 5 South,Lathrop,California <br /> Monitorin Well:MW-3 Monitoring Well:MW-10 <br /> Ethyl- Xylenes Ethyl- Xylenes <br /> ORP DO TPHg B7,,neF <br /> ne benzene (total) MtBE ORP DO TPHg Benzene Toluene benzene (total) MtBE <br /> Date m m !I (I�gn) (Nen) (Pgn) (Nen) m m /I (lien) (Nen) (Nen) (ug�Y (lien) (ugn) <br /> 1 111 812 002 a - - <500 <5.0 <5.0 <5.0 <10.0 1,300 -- - <500 <5.0 <5.0 <5.0 <10 860 <br /> 2/13/2003 a - -- <500 <5.0 <5.0 <5.0 <10.0 1,500 -- - <50 <0.50 <0.50 <0.50 <1.0 53 <br /> 3/21/2003 a - -- 320 <0.50 <0.50 <0.50 <0.50 1,700 -- - <50 <0.50 <0.50 <0.50 <1.0 5.1 <br /> 4/22/2003 a - 6,700 <2.5 <2.5 <2.5 <2.5 4,400 - <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 5/12/2003 a - <1000 <10 <10 <10 <20 1,300 <50 <0.50 <0.50 <0-50 <1.0 <2.0 <br /> 612012003 a - -- 1401 <0.50 <0.50 <0.50 <0.50 180 - - <50 <0.50 <0.50 <0.50 <0.50 1.5 <br /> 9/23/2003 - 11,000 <50 <50 <50 <50 13,000 - <50 <0.50 <0.50 <0.50 <0.50 <5.0 <br /> 10/31/2003 - -- <5000 <50 <50 <50 <100 6,700 -- <50 <0.50 2.4 <0.50 2.0 0.60 <br /> 1/20/2004 100 630 1 <5 <5 <5 <10 1,100 142 - <50 I <0-50 <0.50 <0.50 <1.0 <2 <br /> 2/27/2004 105 - <250 <2.5 <2.5 <2.5 <5.0 300 137 <50 <0.50 <0.50 <0.50 <1.0 11 <br /> 3/31/2004 68 - 220 <1.0 <1.0 <1.0 <2.0 270 128 - <50 <0.50 <0.50 <0.50 <1.0 <0.50 <br /> 412712004 b 93 1.45 1300 <10 <10 <10 <20 1,200 90 2.39 <50 <0.50 <0.50 <0.50 <1.0 <0.50 <br /> 5/25/2004 54 6.46 1600 <10 <10 <10 <20 1,600 56 6.49 <50 <0.50 <0.50 <0.50 <1.0 <0.50 <br /> 6/16/2004 37 5.46 760 <2.5 <2.5 <2.5 <5.0 850 87 6.45 <50 <0-50 <0.50 <0.50 <1.0 <0.50 <br /> 7/6/2004 15 6.47 260 1.9 <1.0 <1.0 <1.0 210 94 5.97 1 <50 <0.50 <0.50 <0.50 <1.0 <0.50 <br /> 8!912004 9 5.67 120 <0.50 <0.50 <0.50 <1.0 120 94 5-93 <50 <0.50 c0.50 <0.50 <1.0 <0.50 <br /> 9/23/2004 -39 c 200 <1.0 <1.0 <1.0 <2.0 180 51 c 70 <0.50 <0.50 <0.50 <1.0 8.0 <br /> Definitions: Notes: <br /> TPHg=Total petroleum hydrocarbons as gasoline a =Sampled by Gettler-Ryan,Inc. <br /> MtBE=Methyl tert-butyl ether b =Hydrocarbon in gasoline range does not match laboratory gasoline standard. <br /> pg1L=Micrograms per liter c =No data due to meter malfunction <br /> µg11=Micrograms per liter -- =Data not available <br /> ORP=Oxidation Reduction Potential <br /> my=Milivolts <br /> DO=Dissolved Oxygen <br /> mgll=Miligrams per liter <br />