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Stantec
<br /> L & M OPERABLE UNIT- FOURTH QUARTER AND ANNUAL 2010 SITE STATUS,
<br /> REMEDIAL SUMMARY, AND GROUNDWATER MONITORING REPORT
<br /> Groundwater Monitoring and Sampling
<br /> January 31, 2011
<br /> Number
<br /> Wells With
<br /> Wells With Wells of Wells With
<br /> Number Number Stable or Non-
<br /> Constituent Zone Increased Concentrations Stable or Non-
<br /> of Wells of Wells Detectable
<br /> Concentration Decreased Detectable
<br /> Concentrations
<br /> Concentrations
<br /> MW-26, MW-27,
<br /> MW-16, MW-24, MW-29, MW-32,
<br /> B MW-59 1 (4) MW-57, MW-58, 5(6) MW-35, MW-42, 9(5)
<br /> MW-60 MW-44, MW-51,
<br /> MW-56
<br /> TPHo MW-54, MW-62,
<br /> C MW-63 1 (4) MW-65, MW-66, 5(3) MW-61, MW-64 2(1)
<br /> MW-67
<br /> MW-55, MW-68,
<br /> D MW-69 1 (3) MW-72, MW-73, 5(5) MW-70, MW-71 2(0)
<br /> MW-74
<br /> MW-16, MW-24,
<br /> MW-26, MW-27,
<br /> MW-29, MW-32,
<br /> B 0(i) MW-58 1 (0) MW-35, MW-42, 14(14)
<br /> MW-44, MW-51,
<br /> MW-56, MW-57,
<br /> Benzene
<br /> MW-59, MW-60
<br /> MW-63, MW-64, MW-61, MW-62,
<br /> C 3(1) MW-54 1 (2) 4(5)
<br /> MW-66 MW-65, MW-67
<br /> MW-55, MW-69,
<br /> MW-68, MW-70,
<br /> D MW-71 3(1) 0(2) MW-72, MW-73, 5(5)
<br /> MW-74
<br /> MW-16, MW-24,
<br /> MW-26, MW-27,
<br /> MW-29, MW-42,
<br /> B MW-44, MW-58 4(4) MW-51 1 (1) MW-32, MW-35, 10(10)
<br /> MW-56, MW-57,
<br /> MW-59, MW-60
<br /> MW-61, MW-62,
<br /> MtBE
<br /> C MW-54, MW-64 2(1) 0(1) MW-63, MW-65, 6(6)
<br /> MW-66, MW-67
<br /> MW-68, MW-69,
<br /> MW-70, MW-71,
<br /> D 0(i) MW-55 1 (0) 7(7)
<br /> MW-72, MW-73,
<br /> MW-74
<br /> I:\Tidewater\TW Stockton(Parcel 2A-0415)\Reports\QMR\2010\4010-Annual\4Q10 and Annual OSSRQRSRQMR Stockton_FINAL.doc 2.22
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