A POTW may develop an appropriate POTW pretreatment program any time before the time limit set forth in Section 310.502. The approved POTW pretreatment program must be incorporated into the POTW's NPDES permit. The modification of a POTW's NPDES permit for the purposes of incorporating a POTW pretreatment program approved in accordance with the procedure in Sections 310.541 through 310.547 must be deemed a minor permit modification subject to Section 310.442.
Ill. Admin. Code tit. 35, § 310.503
Amended at 28 Ill. Reg. 3390, effective February 6, 2004
BOARD NOTE: Derived from 40 CFR 403.8(c) (2003).