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Table 2 Ozone Injection Groundwater Monitoring Data 76(Former BP) Service Station No 11192 1403 Country Club Boulevard Stockton Calrforn=a Man torInq Well MW 3 Monitorin Weil MW-4 Ethyl xylenes Ethyl Xylenes Notes ORP DO GRO Benzene Toluene benzene (total) MtBE TBA ORP DO GRO Benzene Toluene benzene (total) MTBE TBA Date mV m (P�) (P9ny (P9n1 fP�s (ua+> (Pen) (P�1 mV m (PV1 (P�1 (P9ny (PqA) (P9n1 (P9n) (yNy 1111512002 a - <12 000 <120 7120 <120 <120 <500 180 000 150 <0 50 067 <0 50 064 150 <500 71 1/312003 a - 0 000 <100 7100 7100 <100 <400 150 000 <50 <0 50 <0 50 <0 50 <1 0 130 <50o 1!31!2003 a - 725 004 7250 7250 7250 7500 <1 000 160000 <50_ e0 50 <0 50 2!1912043 a - - 3,300 <5 0 75 0 <5 0 <10 280 - - <50 <0 50 <0 50 <0 50 --c-J 0 34 3!21!2003 a - - 250 c4 5p c0 50 c0 50 <0 50 14 - - 750 <0 50 <0 50 412212x03 a - - 220 <0 50 co 50 <4 59 —c-0-50-- 15 - <50 <0 50 <0 50 <0 50 <0 50 2 1 - 511412003 a - <5 000 <50 <50 <50 <50 <200 120 000 <50 <0 59 '050 <0 50 <0 50 19 7500 6/20!2403 a 180 <0 50 <0 50 <0 50 <0 5p 13 160 000 - <50 <0 50 <0 50 <0 50 <0 50 43 18 7122!2003 a - - <5 000 <50 <5D c54 750 c200 110,000 - 65 <0 50 <0 50 <0 50 <0 SD 39 740 912612003 - 1 400 <1 4 <1 0 <1 0 <t 0 320 - <5D <0 50 <0 50 <0 50 <0 50 <5 0 10!3112903 60 - 725 000 7250 c250 7250 7500 7250 206 - <S0 c4 50 2 5 p 51 2 fi 70 50 11/2512043 7 - <5 400 <5D 754 750 7104 7200 - 165 - c50 c0 50 <0 50 <0 50 71 0 <2 0 1211Tl2Q03 - - <10 000 c100 c100 7100 7200 7400 110 000 - _ <50 <0 50 <0 50 <0 50 <1 0 <20 7100 112012004 36 - <5 000 <50 <50 <50 <100 7200 99,000 166 - <50 <Q$4 <4 50 74 50 <1 0 8 1 7100 2!1212004 - <10 000 <100 <100 <100 <200 <400 110 000 _ <50 <0 50 <0 50 <0 59 --<-10— 3 8 7100 3131!2004 -1 - c5 000 <50 <50 <50 <100 <50 58 000 115 - <50 <0 50 <0 50 —<050 <1 0 3 4 <5 0 4/23/2004 13 7 55 75 000 c50 750 <50 <100 <50 69 000 64 649 <50 <0 50 <D 50 <0 50 <t 4 16 <5 0 5119!2004 3 2 14 <100 000 <100 <100 <100 <200 <100 67,000 67 496 <50 <0 50 <0 50 <0 50 <1 0 1 7 <5 0 6/21/2004 14 594 7100 400 7100 7140 7100 7200 7100 fit ODD 43 6 35 <50 <0 50 <0 50 <0 50 c1 0 c5 0 4 0 7!2912004 30 4 41 7140 000 c10p 7100 7100 7200 <100 77 000 55 478 <50 <0 50 <0 50 <0 50 <1 0 <50 16 811972004 24 287 <5 000 c5D 750 750 <f00 750 57600- 16 3 59 750 <0 50 7050 <0 50 911612004 58 CO-9 <5 000 <50 c59 750 c100 750 67 OOD 26 010 750 <0 50 <0 50 <0 50 <1 0 <5 0 13 1012812004 25 209 <5 000 <50 <50 <50 <100 <50 —416'0-0 25 2 86 <50 <0 50 <0 50 <Q 50 <1 0 <0 5 <5 0 11130!2004 6 4 58 <5 000 750 <50 <50 7100 750 51 000 35 3 68 754 <0 50 <0 50 c0 50 <1 0 6 B 5 B 1213012004 -1 0 03 <2 500 <0 50 <0 50 <0 50 <1 4 <25 43 000 43 001 <50 <0 50 <0 50 <0 50 <1 0 c0 5 <50 1!25!2005 b c 58 -753 750 <0 50 <0 50 <0 50 71 0 0 91 37,040 69 686 756 <4 50 <0 50 <0 50 --<1-0— 2 9 <50 2125!2005 20 5 58 <2 500 <0 50 <0 50 <0 50 <1 0 <25 37,000 31 ---645 <50 c0 50 7p 50 aD 50 <-10 -48 <5 0 312212005 53 $57 c2 500 <0 50 <0 50 c0 54 c 1 0 c25 25000 102 6 78 750 <D 50 <0 50 <4 50 ci D 1 5 c5 0 4125/2005 b c 0 6 42 86 <0 50 <0 50 <0 50 <1 0 <0 50 19,000 174 624 <50 <0 50 <0 50 <0 50 <1 0 <50 073 5/31/2005 37 6 55 <5 000 <0 5D <0 50 —<050 <100 —<050 29,000 25 6 39 <50 c4 50 <0 50 70 50 c1 0 <5 0 1 4 6/2912005 67 708 <2 500 <0 50 <0 50 <0 50 <1 0 <25 21 000 175 6 73 <50 <0 50 �--:00-55-00 <1 0 <5 0 0 61 7113!2005 55 7x1 c1 000 719 710 710 720 <10 20,000 140 6 53 <50 <0 50 c1 0 056 i5 0 6/24/2005 19 598 —<2500 725 725 725 750 <25 23 000 20 6 64 <50 <0 50 9128!2005 b 57 663 2 600 <25 <25 <25 <50 <25 21,000 167 645 <50 <0 50 <1 0 1 1 -so Definitions caNotes GRO=Gasoline Range Organics or total petroleum hydrocarbons as gasoline(TPHg) a Sampled by Gettler Ryan Inc MIGE=Methyl tort-butyl ether b MW-3 The concentration reported reflect(s)individual or discrete unidentified peaks not matching a typical fuel pattern TBA=Tertiary butyi alcohol c MW-4 The concentration reported reflect(s)individual or discrete unidentified peaks not matching a typical fuel pattern pgll=Micrograms per liter ORP=Oxidation Reduction Potential mV=Millivolts DO=Dissolved Oxygen mg/1=Milligrams per liter =Data not available 11ConocoPhtllipslRetail Sites1111921o&m111192 RM&R Ozone Sparge Workbook As