- a) By visual observations conducted in accordance with Section 212.109 of this Part; or
- b) By the use of a calibrated smoke evaluation device approved by the Agency as specified in Subpart J of 35 Ill. Adm. Code 201; or
- c) By the use of a smoke monitor located in the stack and approved by the Agency as specified in Subpart J or L of 35 Ill. Adm. Code 201.
Violations of Sections 212.122 and 212.123 of this Subpart shall be determined:
(Source: Amended at 20 Ill. Reg. 7605, effective May 22, 1996)