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FORWARD LANDFILL <br /> NON-WATER CORRECTIVE ACTION PLAN <br /> 5.3 MITIGATION OF FLOOD-RELATED IMPACTS <br /> Mitigation for flood-related impacts from the North and South Forks of South Littlejohns Creek <br /> has been addressed as part of the JTD. This includes the realignment of the North Fork and the <br /> protection of the landfill from the 500-year causal event, therefore, no additional mitigation <br /> measures are necessary as part of this NWCAP. <br /> 6.0 ESTIMATED NON-WATER RELEASE MITIGATION COST ESTIMATE <br /> There do not appear to be any additional costs required to address seismically-induced, fire- <br /> related, and flood-related impacts. As discussed in prior sections, seismically-induced impacts <br /> would be highly unlikely and outside the definition of a "reasonably foreseeable"impact or <br /> negligible and would not require mitigation. Fire-related impacts have been deemed non-causal <br /> events and fire mitigations measures have already been developed in the site's JTD. The <br /> realignment of the North and South Branches of the South Fork of Littlejohns Creek, as <br /> discussed in Section 4.4, has negated flooding-related impacts at the Forward Landfill. <br /> Based on the analyses provided herein, because there are no anticipated costs required with the <br /> above causal events, the Forward Landfill will maintain costs associated with the reasonably <br /> foreseeable release to groundwater. <br /> M:\2011-012&NWFA REPORT.DOCX 20 Geo-Logic Associates <br />