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migration of pollutants beyond the boundaries of c. The Regional Water Board may make <br /> the containment zone in concentrations which determinations of technological or <br /> exceed water quality objectives. The discharger economic infeasibility after a discharger <br /> must verifv containment with an approved either implements a cleanup program <br /> monitoring program and must provide reasonable pursuant to III G. which cannot reasonably <br /> mitigation measures to compensate for any attain cleanup obiectives, or demonstrates <br /> significant adverse environmental impacts that it is unreasonable to cleanup to water <br /> attributable to the discharge Examples of sites quality obiectives and may make <br /> which may qualify for containment zone determinations on the basis of proiection, <br /> designation include but are not limited to, sites modeling, or other analysis of site-specific <br /> where either strong sorption of pollutants on soils, data without necessarily requiring that <br /> pollutant entrapment (e.g. dense non-aqueous phase remedial measures be first constructed or <br /> liquids rDNAPLSI) or complex geology due to installed and operated and their <br /> heterogeneity or fractures indicate that cleanup to performance reviewed over time unless <br /> applicable water quality objectives cannot such projection, modeling, or other analysis <br /> reasonably be achieved. In establishing a is insufficient or inadequate to make such <br /> containment zone the following procedures, determinations; <br /> conditions and restrictions must be met: <br /> 1. The Regional Water Board shall determine 2. The following conditions shall be met for <br /> whether water quality objectives can — all containment zone designations: <br /> reasonably be achieved within a reasonable <br /> period by considering what is a The discharger or a group of <br /> technologically and economically feasible dischargers is responsible for <br /> and shall take into account environmental submitting an application for <br /> characteristics of the hydrogeologic unit designation of a containment zone.' <br /> under consideration and the degree of Where the aoolication does not have <br /> impact of any remaining pollutants sufficient information for the <br /> pursuant to Section 111.1-1.3. The Regional Regional Water Board to make the <br /> Water Board shall evaluate information requisite findings, the Regional <br /> provided by the discharger and any other Water Board shall request the <br /> information available to it: discharger(s) to develop and submit <br /> A.- Technological feasibility is determined by the necessary information. <br /> Information requirements are listed <br /> assessing available technologies, which in the Apnendix to this section; <br /> have been shown to be effective under <br /> similar hydrogeologic conditions in b. Containment and storage vessels that <br /> reducing the concentration of the have caused, are causing, or are likely <br /> constituents of concern. Bench-scale or to cause eround water degradation <br /> pilot-scale studies may be necessary to must be removed or repaired, or closed <br /> make this feasibility assessment; in accordance with applicable <br /> regulations. Floating free product must <br /> b. Economic feasibility is an objective be removed to the extent practicable. If <br /> balancing of the incremental benefit of necessary as determined by the <br /> attaining further reductions in the Regional Water Board to prevent <br /> concentrations of constituents of concern as further water quality degradation, other <br /> compared with the incremental cost of sources (e.g.. soils, nonfloating free <br /> achieving those reductions. The evaluation product) must be either removed, <br /> of economic feasibility will include isolated or managed. The significance <br /> consideration of current, planned, or future and approach to be taken regarding <br /> land use social and economic impacts to these sources must be addressed in the <br /> the surrounding community including management plan developed under <br /> property owners other than the discharger. H.2.d.; <br /> Economic feasibility, in this Policy, does <br /> not refer to the discharger's ability to c. Where reasonable, removal of pollutant <br /> finance cleanup. Availability of financial mass from ground water within the <br /> resources should be considered in the containment zone may be required, if it <br /> establishment of reasonable compliance will significantly reduce the <br /> schedules; concentration of pollutants within the <br /> containment zone, the volume of the <br /> 7 <br />