SITE INFORMATION AND CORRESPONDENCE

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containment 1, or the level of Beater basin and may include maintenance IWired for containment. participating in regional ground water The degree of removal which may be monitoring, contributing to ground required will be determined by the water basin cleanup or management Regional Water Board in the process programs, or contributing to research of evaluating the proposal for proiects which are publicly accessible designation of a containment zone. (i.e., not Protected by patents and The determination of the extent of licenses) and aimed at developing mass removal required will include remedial technologies that would be consideration of the incremental cost of used in the ground water basin. mass removal, the incremental benefit Proposals for off-site cleanup proiects of mass removal, and the availability may be considered by the Regional of funds to implement the Provisions Water Board as a mitigation measure in the management plan for az long as under the following criteria: water quality objectives-are exceeded I. Off-site cleanup projects must within the containment zone: be located in the same ground d. The discharger or a group of water basin as the proposed dischargers must protose and agree to containment zone, and imolement a management plan to 2. Implementation of an off-site assess, cleanup, abate, manage, project must result in o monitor, and mitigate the remainine improvement in the basin's an significant human health, water quality, water quality or protect the and environmental impacts to the basin's water quality from satisfaction of the Regional Water pollution. and Board. Impacts will be evaluated in accordance with Section 111.14.3. The 3. Off-site Proiecu must include management plan may include source removal or other management measures, such as land elements for which water use controls', engineering controls quality benefits or water and agreements with other landowners quality Protection can be or agreements with the landlord or easily demonstrated, and lessor where the discharger is a tenant qOff-site projects may be . or lessee. The contents of the pedischarger or taken from ependently by the proposed independently management plan shall be dependent upon the specific characteristics of the dischrs identified as Proposed containment zone and must Prooecacceptable by the Regional include a requirement that the Regional Water Board through a Water Board be notified of any transfer clearinghouse process, or of affected property to a new ownerfs) e. The proposed management plan must 5. In lieu of choosing to finance Provide reasonable mitigation measures a specific off-site proiect, the discharger may contribute significant substantially lessen avoid any moneys to the SWRCB's significant adverse environmental Cleanup and Abatement At amipacts minimum, theble to the discharge. Account (Account) or other for a minimum, the plan must provide funding source. Use of such for control of pollutantssuch within the contributions to the Account containment zone such that water or other source will be limited quality objectives are not exceeded to cleanup proiects or water outside the containment zone la a quality Protection projects for result the discharge. The plan must the basin in which the also provide, if appropriate, for containment zone is equivalent entfor in water supplies designated. Contributions are reimbursement for increased water not to exceed ten percent of treatment costs to affected users, and the savings in continued active increased costs associated with well remediation that discharger modifications. Additional mitigation the specicifiwill accrue over a ten-year measures may be proposed by the the period due to designation of a discharger based c V containment zone (less any characteristics of the proposed additional costs of containment zone. Such measures must assist in water quality containment zone designation improvement efforts within the ground during this period, e.g., 8