Section 310.902  Effect of an Upset

An upset may constitute an affirmative defense to an action brought for noncompliance with categorical pretreatment standards if the requirements of Section 310.903 are met.

BOARD NOTE:  Derived from 40 CFR 403.16(b) (2003).

(Source:  Amended at 28 Ill. Reg. 3390, effective February 6, 2004)