35 Ill. Adm. Code 166.276
Exhibits
Section 166
Section 166.276 Exhibits
a) Proposed exhibits shall be reviewed or exchanged at the
pre-hearing conference or otherwise prior to the hearing if the Hearing Officer
so requires in order to expedite the proceeding.
b) The exhibits shall be marked for identification in accordance
with the following standard markings:
1) P = Permit Applicant or Petitioner;
2) R = Respondent or Objector
c) Other additional markings may be used for clarity.