PERMITTING OF A TYPE II ASH AND SCRUBBER SLUDGE LANDFILL
POWER STATION, INDIANA

PERMITTING OF A TYPE II ASH AND SCRUBBER SLUDGE LANDFILL
POWER STATION, INDIANA

PERMITTING OF A TYPE II ASH AND SCRUBBER SLUDGE LANDFILL
POWER STATION, INDIANA

Power Station Landfill Background

To allow for the eventual disposal of scrubber sludge and additional ash, an existing Type III Fly Ash Landfill at an electric power station in Indiana was being upgraded to a Type II landfill. To upgrade and re-permit the site, a complete set of permit application documents was required by the Indiana Department of Environmental Protection (IDEM).

Type II Landfill Permitting Project Work

For this project, AGES was contracted by the client to prepare a Hydrogeologic Study Report (similar to a PADEP Form 7R) and a Groundwater Monitoring Plan for the site. To meet upgrade requirements for a Type II landfill, IDEM required that the groundwater monitoring program be expanded to include additional parameters and additional monitoring wells. IDEM also required that the groundwater statistical program be modified to evaluate conditions associated with the current Type III landfill and the upgraded Type II landfill.

To ensure that the unique permit requirements were met, AGES met with IDEM staff at the site to discuss their concerns and requirements. Based on these discussions, AGES developed a dual-phase statistical approach using qualitative methods, tolerance intervals, and more robust statistical methods to evaluate the site. AGES also worked with IDEM on the design and placement of additional monitoring wells.

Special Project Features

  1.)  Demonstrated expertise in preparing regulatory documents for re-permitting (upgrading) of an existing landfill.

  2.)  Negotiated with IDEM to implement a creative approach to groundwater monitoring that met requirements for both Type II and Type III landfills.

PERMITTING OF A TYPE II LANDFILL FOR ASH AND SCRUBBER SLUDGE AT A POWER STATION IN INDIANA

 


 

 

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