RECE~VED

CLERK’S OFFICE

JUN

032004

BEFORE THE ILLINOIS POLLUTION CONTROL

BOARIJSTATE OF

ILLINOIS

PollUtion Control Board

)

)

Midwest Generation EME, LLC

)

L

(~

Petitioner,

)

PCB

bi ~

)

Trade Secret Appeal

v.

)

)

)

Illinois Environmental Protection Agency,

)

Respondent.

)

APPEARANCE

I hereby file my appearance in this proceeding,

on behalf ofMidwest

Generation EME,

LLC.

r~n~2i~~

DATED:

June 3, 2004

/

SchiffHardin LLP

6600 Sears Tower

Chicago, IL

60606

(312)

258-5687

CFI2\ 1117096.1