- August 2, 2013
Steve Nightingale, P.E.
- Manager, Permits Section, Bureau of Land
Illinois Environmental Protection Agency
1021 North Grand Avenue E.
- P.O.
- Box 19276
Springfield, Illinois 62794-9276
Re: Request for Beneficial Use Determination
Dear Mr.
- The Agency
approved our request for a beneficial use determination for that portion ofthe project on September
30,2008.
- AERG's site-specific investigation found that much ofthe fill was
placed over coal mine spoils, and there are no exceedances of applicable groundwater quality
standards. The cap
thickness varies from the design thickness to more than 20 feet depending on the location. As explained in AERO'sJuly 29, 2004, lette...
PCB 14-41,112713 Exh 1 Part 1,2,3 
