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rQ <br /> J \Q <br /> �o <br /> I ,A <br /> Ta <br /> QQ <br /> t <br /> p <br /> l �O <br /> i <br /> 24 <br /> � 17 <br /> g E 1a — <br /> 11 <br /> �Q <br /> .y9 <br /> r4 r <br /> ar- <br /> Figure 3 <br /> Oxygen Concentration Gradient from ORC 3-Well Barrier after 90 Days <br /> Groundwater velocity is 15 cm/day (0 5 feet/day) and wells are spaced 2 8m (9ft) on centers <br />