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7 months ago

West Lake CAG NRRB Submission REVISED ADDENDUM January 4 2018

4. Added the following

4. Added the following new section: Is WLL and/or Bridgeton Landfill A FUSRAP Vicinity Property? The West Lake Landfill qualifies as a Vicinity Property to HISS/FUTURA (Latty Avenue site) and should not have been excluded from the current FUSRAP cleanup 1 . Also, based on the Federal Facilities Agreement, it appears that any RIM found within the Bridgeton Landfill property line (and it has been documented by EPA/PRPs to be there) would become the responsibility of FUSRAP. 5. Added the following (and Appendix) to the section on Underestimated Flood Risk Below is a table from a document prepared by Maggie Weng, a student at Washington University, under guidance of her professor showing the percentage of the landfill that will be flooded under various scenarios (see full study including data sources and analysis techniques in Appendix F). Recurrence Interval (years) Stage of flood, including height above NAVD88 (m) Area in map below flood elevation (km2) 17.4 136.966 21.96 44.02 100 139.02 231.769 51.63 300 140.459 234.84 61.95 500 141.1267 236.17 63.58 6. Updated Table of Contents to reflect these additions. % landfill below flood elevation Please don’t hesitate to call on us to answer any questions or to provide further information. Sincerely, Harvey Ferdman Harvey Ferdman, Chair West Lake Landfill / Bridgeton Landfill CAG. 314-469-0595 (land line) or 314-761-5100 (cell) To: National Remedy Review Board 1 From pdf page 7 of the Federal Facilities Agreement for St. Louis and Hazelwood FUSRAP sites, docket VII-90-F-0005 moenvironment.org/files/1990_FedFacilitiesAgreement.pdf Page 2

Fr: West Lake Community Advisory Group Re: West Lake & Bridgeton Landfill Superfund Site Dt: November 20, 2017 On behalf of the West Lake Landfill / Bridgeton Landfill Community Advisory Group (CAG) and community members both locally and regionally, we thank you for the opportunity to share our thoughts and concerns about the unlicensed nuclear storage facility and EPA Superfund site that we refer to as the Bridgeton Landfill / West Lake Landfill Complex. Please do not hesitate to call on us to answer any questions or to provide further information. Sincerely, Harvey Harvey Ferdman, Chair West Lake Landfill / Bridgeton Landfill CAG. 314-469-0595 (land line) or 314-761-5100 (cell) Page 3