Laserfiche WebLink
2013 Semiannual Groundwater Monitoring and Evaluation Report <br /> Full-Scale In Situ Hexavalent Chromium Reduction Treatment Implementation <br /> Former Marley Cooling Tower Site,Stockton,California August 2013 <br /> 8.0 ACTIVITIES PLANNED THROUGH 2013 <br /> The following activities are planned for the remainder of 2013: <br /> • Groundwater monitoring and sampling will continue quarterly. The next sampling event <br /> is anticipated in July 2013. <br /> • Groundwater data evaluation will continue, including the use of the decision logic <br /> diagram(Figure 5). <br /> • The effect of the full-scale (2008) and supplemental injection (2010 and 2012) programs <br /> will be monitored. If data from upcoming quarterly sampling events indicate Cr <br /> concentrations have decreased to below the established WQO (50 gg/L), <br /> recommendations may be made to shut down groundwater extraction wells. <br /> MWH. <br /> s-1 <br />