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WaterQualitytite Assessment:tround Water <br /> Perform the following for each constituent of concern. <br /> 11/4/92 <br /> ................................................... <br /> jg1 <br /> .................................................... <br /> ................................................... <br /> .................................................... <br /> .................................................. <br /> . ................................................. <br /> T <br /> Site <br /> Ground Water <br /> Concentration <br /> (dissolved) Is site <br /> Begin here. concentration ST=impact <br /> < background No water qconcentration ? yes has yet <br /> N IIIA <br /> »E Cv F > #�'�'10 <br /> ( Rte THE vno <br /> BackgOround Ground water <br /> Ground Water degradation has <br /> Concentration occurred. <br /> (dissolved) <br /> Choose <br /> ;. .�, ;,..;:::: the larger of <br /> O ... © and 0. <br /> Numerical <br /> Limit to <br /> Implement <br /> Water Quality <br /> Standards <br /> ... ... <br /> Numerical No beneficial use <br /> Limit to Protect <br /> Ground Water Is�<®? impairment has <br /> Beneficial yes yet occurred. <br /> Uses <br /> no <br /> Ground water pollution <br /> has occurred (beneficial <br /> use impairment). <br /> Treat ground water <br /> to below beneficial use <br /> numerical limit and to ground water to <br /> lowest level achievable (Trerat <br /> owestlevelachievable <br /> or to background.* oto background.* <br /> State Water Board Resolution Nos.68-16 and 92-49 and 22 CCR§2550.4, require cleanup to background unless infeasible to do so. <br /> In addition, cleanup level must present no risk to human health or to the environment(per conventional risk assessment procedures). <br />