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Water Qualit)SSite AssessmentOGround Water <br /> Perform the following for each constituent of concern. <br /> % 11/4/92 <br /> Site <br /> Ground Water <br /> Concentration <br /> (dissolved) Is site <br /> Begin here. concentration STOP. <br /> < backgrounds iiiioNo water quality impact <br /> NI. .� concentration ? Yehas yet occurred. <br /> AuSIT <br /> INF6f%lj' �QN <br /> {I=RON TI.. t l no <br /> Ground water <br /> /Ground <br /> degradation has Q <br /> Ground Water occurred. <br /> /i Concentration <br /> (dissolved) <br /> \\ <br /> Choose <br /> the larger of <br /> O (Z and 3. <br /> Numerical <br /> Limit to <br /> Implement <br /> Water Quality <br /> Standards <br /> Numerical No beneficial use <br /> Limit to Protect Is 0!5 m? Impairment has <br /> Ground Water yes yet occurred. <br /> Beneficial <br /> Uses <br /> no <br /> Ground water pollution <br /> has occurred(beneficial <br /> use impairment). <br /> 41owest <br /> ground water <br /> w beneficial use <br /> ical limit and to Treat ground water to <br /> level achievable lowest level achievable <br /> background.' or to 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 />