Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 310 - PRETREATMENT PROGRAMS
Subpart I - UPSETS
Section 310.903 - Conditions Necessary for an Upset

Universal Citation: 35 IL Admin Code ยง 310.903

Current through Register Vol. 48, No. 38, September 20, 2024

An industrial user who wishes to establish the affirmative defense of upset must demonstrate, through properly signed, contemporaneous operating logs, or other relevant evidence, that the following has occurred:

a) An upset occurred and the industrial user can identify the cause or causes of the upset;

b) The facility was at the time being operated in a prudent and workmanlike manner and in compliance with applicable operation and maintenance procedures; and

c) The industrial user has submitted the following information to the POTW and Control Authority within 24 hours after becoming aware of the upset (if this information is provided orally, a written submission must be provided within five days);

1) A description of the indirect discharge and cause of noncompliance;

2) The period of noncompliance, including exact dates and times or, if not corrected, the anticipated time the noncompliance is expected to continue;

3) Steps being taken or planned to reduce, eliminate, and prevent recurrence of the noncompliance.

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

Disclaimer: These regulations may not be the most recent version. Illinois may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.