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Jz Ozone Injection System Groundwater Monitoring Data 76(Former BP)Station No.11195 16500 Interstate 5 South Lathrop,California Monitoring Well:MW3 Monitoring Well:MW-4 Monitorin Well:MW-10 Ethyl- Xylenes Ethyl- Xylenes Ethyl- Xylenes e Emy DO GRO Benzene Toluene benzene (total) MtBE ORP DO GRO Benzene Toluene benzene (totaq MTBE ORP DO GRO Benzene Toluene benzene (total) MtBE Date Z m L l L 1L m rtt 11 1L L L 1L L m m L L 1L 11!10!2002 a <500 <5.0 <5.0 <5.0 <10.0 1,300 - - <500 <5.0 <5.0 <5.0 <10 860 211312003 a <500 <5.0 <5.0 <5.0 <10.0 1,500 -550 <0.50 <0.50 <0.50 51.0 53 312112003 a 320 <0.50 <0.50 <0.50 <0.50 1,700 <50 e0.50 <0.50 <0 50 0.0 5.1 4!2212003 a 6,700 <2.5 <2.5 <2.5 <2.5 4,400 - - <50 <0.50 <0.50 <0.50 <0.50 <0.50 511 2120 0 3 a -1000 <10 <10 -10 <20 1,300 V0 <0.50 <0 50 <0.50 <1.0 <2.0 612012003 a 140 <0.50 <0.50 <D.50 <0.50 180 - <50 <0.50 <0.50 <0.50 <0.50 1.5 9/23/2003 11,000 <50 <50 <50 <50 13,000 <50 <0.50 <0.50 <0.50 <0.50 <5.0 10131!2003 <55000 <550 <50 <50 <100 6,700 <50 <0.50 2.4 <0.50 2.0 0.60 112Dl2004 100 - 630 v5 <5 <5.0 <10 1,100 - - - 142 <50 <0.50 <0.50 <0.50 <1.0 X2.0 2!27!2004 105 - <250 X2.5 <2.5 <2.5 <5.0 300 - - - 137 <50 <0.50 <0.50 <0.50 <1.0 11 3!31!2004 68 220 <1.0 <1.0 <1.0 <2.0 270 128 c50 <0.50 <0.50 c0.50 <1.0 <0.50 4/27/2004 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 5/25/2004 54 6.46 1600 <10 c10 <10 c20 1,600 56 6.49 <50 <0.50 <0.50 <0.50 <1.0 c0.50 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 7!612004 15 6.47 260 1.9 <1A <1.0 <1.0 210 94 5.97 X50 <0.50 <0.50 <0.50 <1.0 <0.50 81912004 -9 5.67 120 <0.50 <0.50 <0.50 <1.0 120 - 94 5.93 <50 <0.50 <0.50 <0.50 <1A <0.50 9/2312004 -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 1012212004 -51 1.69 110 <0,50 <0.50 <0.50 <1.0 94 K47 3.40 <60 <0.50 <0.50 <0.50 <1.0 <0.50 11!5!2004 6 2.67 180 <1.0 <1.0 <1.0 <2.0 130 - - 3.94 <50 <0 50 <0.50 <0,50 <1 A 0.97 12x212004 b 99 6.75 330 <1.0 <1.0 <1.0 <2.0 330 5.15 71 <0.50 <0.50 <0.50 <1.0 1.1 1!10!2005 43 5.88 45'0 -0.50 <0.50 <0.50 <1,0 380 6.05 <50 <0.50 <0.50 <0.50 <1.0 <0.50 2/2812005 172 6.39 c50 c0.50 <0.50 <0.50 d.0 20 6,21 <5p <0.50 <0.50 <0 50 <1.0 160 3129!2005 a 148 8.16 <50 <0.50 <0.50 <0.50 <1.0 22 - 7.57 <50 <0.50 <0.5D <0.50 <1.0 <0.50 4!2912005 163 4.31 <50 <0.50 <0.50 <0.50 <1.0 14 6.50 <550 1 -0.50 <0.50 <0.50 -1.0 0.86 5!13!2005 e,f 184 2.64 <50 <0.50 1.3 <0.50 <1.0 23 185 1.18 <50 <0.50 0.70 <0,50 <1,0 1.5 6!612005 f -5 1.13 <50 <0.50 <0.50 <0.50 <1.0 43 5.0 1.31 <50 <0.50 <0.50 <0.50 <1.0 <0.50 7!512005 g -50 0.89 <50 <0.50 <0.50 <0.50 <1.0 70 81812005 h -8 c 58 <0.50 <0.50 <0.50 <1.0 52 40 c <50 <0.50 <0.50 <0.50 <1.0 1.1 9120!2005 i -42 1.02 120 <0,50 <0,50 <13.51) <1.0 43 34 2.40 <60 <0.50 <0.50 <0.50 <1.0 <0.50 10!412006 108 1.18 70 <0.50 <0.50 <0.50 <1.0 11 149 2.83 <50 <0.50 <0,50 <0,50 <1.0 <0,50 111112005 57 2.36 <50 <0.50 <0.50 <0.50 <1.0 9.7 46 2.60 <50 <0.50 <0.50 <0.50 <1.0 <0.50 12!1!2005 56 1.54 V50 <p,50 <0.54 c1.0 17 - - - - - - - - 79 3.21 <50 <0.50 <0.50 <0.50 <1.0 <0.50 Definitions: Notes: GRO=Gasoline range organics(GRO)or total petroleum - =Data not available hydrocarbons as gasoline(TPHg) a =Sampled by Gettier-Ryan,Inc. MtBE=Methyl tent-butyl ether b =Hydrocarbon in gasoline range does not match laboratory gasoline standard. pgxL=Micrograms per liter c =No data due to metier malfunction ORP=Oxidation Reduction Potential d =Data not available at time of reporting my=Millivolts e =MW-10:The concentration reported reflect(s)individual or discrete unidentified peaks not matching a typical fuel pattern. DO=Dissolved Oxygen f =MW-4 sampled instead of MW-10 due to a mistake on the field data sheets. mgll=Milligrams per liter g =An attemplwas made to sample well MW-4 instead of well MW-10 due to a mistake on the field data sheet The well was not sampled as a car was parked over it. h =MW-3: The concentration of GRO reported reflect(s)individual or discrete unidentified peaks not matching a typical fuel pattern. I =MW-3: Quantitation of unknown hydrocarbon(s)in the sample based on gasoline. IhBP-ARCOt111951o6MU 1195 RM&R Ozone Sparge Workbook-Ws