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QuikWNo 121 <br /> CCIt No 12118-2 <br /> TABLE 3(Cont) 10116/2002 <br /> Summary of Groundwater Data During Operation of Treatment System <br /> Qwk Stop No 121 -1196 W Louise Avenue,Manteca,CA <br /> Dissolved Ozone <br /> Well Date Oxygen pH Cond Temp TPHg MTBE Acetone Fromaldehyde Infected <br /> Sampled Levels(uglL) (umbos/cm) (C) ug/L ug/L ug1L ug/L gm/day <br /> MW-8 7/31/2002 Well Is dry <br /> 10/8/2002 Well Is dry <br /> MW-9 7/31/2002 N/A NIA NIA NIA NIA NIA NIA(Z) <br /> 8/16/2002 713 76 713 204 <50 10 NIA <br /> 8/29/2002 71 75 736 187 <50 13 NIA <br /> 10/8/2002 676 74 706 173 <50 094 NIA NIA N/A <br /> MW-10 7/3112002 NIA NIA NIA NIA NIA NIA N/A(Z) <br /> 8/16/2002 777 77 472 192 <60 <0 5 NIA <br /> 8/2912002 651 78 475 180 <60 <0 5 NIA <br /> 10/8/2002 646 66 475 193 <50 <0 5 NIA NIA NIA <br /> MW-11 7/31/2002 543 NIA NIA 233 NIA N/A 0 <br /> 8/16/2002 666 70 726 186 <50 <0 5 412 <br /> 8/29/2002 750 70 831 178 <50 <0 5 412 <br /> 10/8!2002 710 69 798 185 <50 <0 5 NIA NIA 412 <br /> MW-12 7/31/2002 NIA NIA NIA N/A N/A NIA N/A(') <br /> 8/16/2002 465 NIA NIA N/A NIA N/A NIA <br /> 8129/2002 532 70 956 184 <50 <0 5 NIA <br /> 101812002 381 68 1284 148 <50 05 <50 <50 NIA <br /> RW-1 7131/2002 292 NIA NIA 235 NIA NIA 0 <br /> 8/16/2002 660 71 1170 220 130,000 160,000 412 <br /> 8/29/2002 512 71 1195 197 94,000 150,000 412 <br /> 10/8/2002 529 72 1032 218 52,000 89,000 <60 <50 412 <br /> NIA Not Applicable <br /> 1 Total run time per well 7 minutes x 16 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 2 <br /> Compliance <br /> C1 s <br /> Closure, Inc <br />