- BEFORE THE ILLINOIS POLLUTION CONTROL BOARD
ILLINOIS POWER HOLDINGS, LLC and
AMERENENERGY MEDINA VALLEY
COGEN, LLC,
Petitioners,
AMEREN ENERGY RESOURCES, LLC,
Co-Petitioner,
v.
- ILLINOIS ENVIRONMENTAL
PROTECTION AGENCY,
Respondent.
- The analysis was conducted in
adherence to all available USEPA guidance for evaluating source impacts on attainment of the 1hour
SO2 NAAQS via aerial dispersion modeling, including the AERMOD Implementation Guide;
USEPA's Applicability of Appendix W Modeling Guidance for the 1-hour SO2 National Ambient
Air Quality Standard, August 23, 2010; modeling guidance promulgated by USEPA in Appendix W
to 40 CFR Part 51; and, USEPA’s March 2011 Modeling2 N...
PCB 14-10,091613 PC# 113 ELPC,Sierra WrtnStmt Ste... 
