Section 201.520  Modification or Change in Status of an Emission Unit Covered by a PBR

a)         If the owner or operator  proposes to modify an emission unit covered by a PBR, the owner or operator of the source must submit a new Notification for a PBR or obtain a construction permit for the modification pursuant to this Part and the Act, as applicable.

b)         If a proposed modification of the source at which an emission unit covered by a PBR is located will cause the source to become a major source of HAPs as defined in Section 39.5(2)(c)(i) of the Act, the owner or operator must submit a new Notification for a PBR for the emission unit.

(Source:  Added at 41 Ill. Reg. 4140, effective March 24, 2017)