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Cop No 121 • 1I2' 006 <br /> C sect Na 12118-2 IF <br /> TABLE 4(Cont) <br /> Summary of Groundwater Data During Operation of Treatment System <br /> Quik Stop No 121 -1196 W Louise Avenue, Manteca,CA <br /> Dissolved Ozone"' <br /> Well Date Oxygen pH Cond Temp TPHg MTBE Acetone Fromaidehyde Injected <br /> Sampled Levels(uglL) (umhoslcm) (C) uglL uglL uglL uglL gm/day <br /> MW-12 7/3112002 NIA NIA NIA NIA NIA NIA NIA <br /> 8116/2002 465 NIA NIA NIA NIA NIA NIA <br /> 8/29/2002 532 70 956 184 <50 <0 5 NIA <br /> 10/8/2002 381 68 1284 148 <50 05 <50 <50 NIA <br /> 1/912003 625 69 395 142 <50 <05 N/A NIA N/A <br /> 4/10/2003 534 71 680 172 <50 1 <0 5 NIA NIA NIA <br /> 7114/2003 N/A NIA NIA N/A <50 <0 5 NIA N/A NIA <br /> 10/6/2003 NIA NIA N/A NIA <50 <0 5 NIA NIA NIA <br /> 1/13/2004 NIA 70 745 149 <50 <0 5 NIA I NIA NIA <br /> 41612004 NIA 70 641 1 156 <50 <05 NIA NIA NIA <br /> 7/1/2004 NIA 70 635 1894 <50 <0 5 NIA NIA NIA <br /> 101512004 NIA 69 782 1811 <50 <0 5 NIA NIA NIA <br /> 1/16/2006 No Sample Collected <br /> 4/18120061 No Sample Collected <br /> RW-1 7/31/2002 292 NIA NIA 1 235 NIA N/A 0 <br /> 8/16/2002 560 71 1170 220 130,000 160,000 412 <br /> 8129/2002 512 71 1195 197 94,000 150,000 412 <br /> 101812002 529 <br /> 72 1032 218 52,000 89,000 1 <50 <50 412 <br /> 1/9/2003 548 71 1 360 184 13,000 21,000 NIA NIA 412 <br /> 4/10/20031 535 75 1 790 206 9,100 15,000 N/A NIA 412 <br /> 7/14/2003 329 74 719 21 9 3,900 5,200 N/A N/A 412 <br /> 1016!2003 NIA 72 798 218 1,400 1,700 NIA NIA 412 <br /> 1/13/2004 621 75 731 171 440 560 NIA NIA 4127 <br /> 4/6/2004 541 74 581 168 <50 12 NIA NIA 412 <br /> 7/112004 NIA 73 623 199 <50 59 NIA NIA 412 <br /> 10!512004 NIA 77 562 182 <50 37 NIA NIA 412 <br /> 4/5/2005 568 79 508 175 <50 <0 5 NIA NIA 412 <br /> 7/1812005 510 77 425 232 <50 <0 5 NIA NIA 0 <br /> 10/13/2005 485 64 1 558 224 <50 <0 5 NIA NIA 0 <br /> 1/1612006 NIA 1 66 750 18 5 <50 0 84 N!A NIA 0 <br /> 4/1812006 NIA 66 740 199 <25 <1 N!A NIA 0 <br /> NIA Not Applicable <br /> 1 Total run time per well 7 minutes x 18 cycles per day= 126 minutes=2 06 hrs per day x 6 grams per hour <br /> 2 B-aquifer well <br /> 3 Well located off-site not influenced by C-spare remediation system <br /> Page 7 <br />