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Table 2 Ozone Injection System Groundwater Monitoring Data 76(Former BP)Station No.11195 16500 Interstate 5 South Lathrop,California Mondorin Well:MWS MonitoringWell-MW-4 Monitorin Well:MW-10 Ethyl- Xylenes Ethyl- Xylenes Ethyl- Xylenes ORP DO GRO Benzene Toluene benzene (total) MtBE ORP DO GRO Benzene Toluene benzene (total) MIRE ORP DO GRO Benzene Toluene benzene (total) MtBE Date mV m A {pan) (µgr) (p91) (psn) (Ng+l) (Ng+l) m mg/I) 11 (ugl) (Ngn) (per) (Ne l) fperU (Ng+I) mV m A W11) (lig") Will (Ne+) fNe+) (Ngn1 11118!2002 a <500 <5.0 <5.0 <5.0 <10.0 1,300 - - - <500 <5.0 <5.0 c5.0 <10 860 2!1312003 a - <500 <5.0 <5.0 <5.0 <10.0 1,500 - <50 <0.50 <0.50 <0.50 <1A 53 3!2112003 a 320 <0.50 <0.50 c0.50 <0.50 1,700 - <50 <0-50 <0.50 <0-50 <1.0 5.1 4!2212003 a - - 6,700 <2.5 <2.5 <2.5 <2.5 4,400 -- -- - -- -- -- -- -- -- <60 <0.50 <0,50 <0.60 <0.50 <0,50 511212003 a - - <1000 <10 <10 <10 <20 1,300 <50 <0.50 <0.50 <0.50 0.0 <2.0 612012D03 a - 140 <O.W <0.50 <0 50 <0,50 180 <50 <0.50 <0.50 <0.50 <0.50 1.5 912312003 - 11,000 <50 <50 <50 <50 13,000 - - <50 <0.50 <0.50 <0.50 <0.50 <5.0 10/3112003 <5000 <60 <60 <50 <100 6,700 - <50 <0.50 2.4 <0.50 2.0 0.60 112012004 100 630 1 <5r<2.5 <5.0 <10 1,100 - -- - -- - - -- -- 142 <50 <0.50 <0.50 <0.50 <1.0 <2.0 2!2712004 105 <250 <2.5 <2.5 <5.0 300 137 - <50 <0.50 <0.50 <0.50 <1.0c50 <0.50 <0.50 <0.50 <1.0 <0.603131!2004 68 220 c1.0 <1.0 <2.0 270 -- - - - - -- -- -- 128 4/27/2004 b 93 1.45 1300 <10 <10 <20 1,200 -- - -- -- - -- -- -- 90 2.39 <50 <0.50 <0.50 <O.SO <1.0 <0.50 5/25/2004 54 6.46 1600 <10 <10 <20 1,600 56 6.49 <50 <0.50 <0.50 <0.50 <1.0 <0.50 6!1612004 37 5,46 760 <2.5 <2.5 <5.0 850 -- - -- -- -- -- 87 6.45 <50 <0.50 <0.50 <0.50 <1.0 <0.50 716/2004 15 6.47 260 1.9 <1.0 <1.0 210 - 94 5.97 <50 <0.50 <0.50 <0.50 <1.0 <0.50 819/2004 .9 5.67 120 <0.50 . <0.50 <1.0 120 94 5.93 <50 <0.50 <0.50 <0.5D <1.0 <0.50 9/23/2004 -39 c 200 <1.0 <1.0 <1.0 <2.0 180 - - -- - - -- 51 C 70 <0,50 <0.50 <0,50 0.0 8.0 10122/2004 -51 1.89 110 <0.50 <0.50 <0.50 <10 94 47 3.40 <50 <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 56 3.94 <50 <0.50 <0.50 <0.50 <1.0 9.97 1212!2004 b 99 6.75 330 <1.0 <1.0 <1.0 <2.0 330 - - - 102 5.15 71 <0.50 <0.50 <0.50 <1.0 1.1 1/1012005 43 5.88 <50 <0.50 <0.50 <0.50 <1.0 380 83 6.05 <50 <0.50 <0.50 <0.50 <1.0 <C.50 2128!2005 172 6.39 <50 <0.50 <0.50 <O.50 0.0 20 - -- -- -- 192 8.21 <50 <0.50 <0.50 <0.50 =-1 �O 3!29!2005 a 148 8.16 <50 <0 50 <0.50 <0.50 <1.0 22 - - 179 7.57 <50 <0.50 <0.50 <0.50 412912066 163 4.31 <50 <0.50 <0.50 c0.50 <1.0 14 - 167 6.50 <50 <0.50 <D.50 <0.50 511312005 e,f 184 2.64 <50 <0.50 1.3 <6.50 <1.0 23 185 1.18 <50 <0.50 0.70 <0.50 <1.0 1.5 -- -- -- -- -- --616l2005 f -5 1.13 <50 <0.50 <0.50 <0.50 <1.0 43 5.0 1.31 <50 1 <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 Gettler-Ryan,Inc. MtBE=Methyl tert-butyl ether b =Hydrocarbon in gasoline range does not match laboratory gasoline standard pg/L=Micrograms per liter c =No data due to meter malfunction ORP=Oxidation Reduction Potential d =Data not available at time of reporting mV=Millivolts e =MW-10.The concentration reporteed 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. mgn=Milligrams per liter g =Car parked on MW-4.Could not sample. 1:1CanomPhllllps5Relail Siles11119510&ro511A5 RM&R Ozone Sparge Workbook.als Page 1 of 1 - .,-�„-•..`________�--_--_-.-.r,� _...��-_�--_- �.-.TAT,.--;,;,�.;,...-„�-. :_, c,- _____-__________ _ ____ _ _