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ORDINANCE NO. 2012-007 <br />(3) A user who wishes to establish the affirmative defense of upset shall demonstrate, through <br />properly signed, contemporaneous operating logs, or other relevant evidence that: <br />(a) An upset occurred and the user can identify the cause(s) of the upset; <br />(b) The facility was at the time being operated in a prudent and workman -like manner and in <br />compliance with applicable operation and maintenance procedures; and <br />(c) The user has submitted the following information to the county administrator within twenty- <br />four (24) hours of becoming aware of the upset (if this information is provided orally, a written <br />submission must be provided within five (5) days): <br />44 ll A description of the indirect discharge and cause of noncompliance; <br />9401 The period of noncompliance, including exact dates and times or, if not corrected, the <br />anticipated time the noncompliance is expected to continue; and <br />(� iii Steps being taken and/or planned to reduce, eliminate, and prevent recurrence of the <br />noncompliance. <br />(4) In any enforcement proceeding, the user seeking to establish the occurrence of an upset shall <br />have the burden of proof. <br />(5) Users will have the opportunity for a judicial determination on any claim of upset only in an <br />enforcement action brought for noncompliance with categorical pretreatment standards. <br />(6) Users shall control production of all discharges to the extent necessary to maintain compliance <br />with categorical pretreatment standards upon reduction, loss, or failure of its treatment facility until the <br />facility is restored or an alternative method of treatment is provided. This requirement applies in the <br />situation where, among other things, the primary source of power of the treatment facility is reduced, <br />lost, or fails. <br />(B) Prohibited discharge standards. <br />(1) A user shall have an affirmative defense to an enforcement action brought against it for <br />noncompliance with the general prohibitions in section 201.65(A) of this part or the specific prohibitions <br />in sections 201.65(B)(3) through 2.4 [201.68] of this part if it can prove that it did not know, or have <br />reason to know, that its discharge, alone or in conjunction with discharges from other sources, would <br />cause pass through or interference and that either: <br />(a) A Local Limit iArmal "m4 exists for each pollutant discharged and the user was in compliance with <br />each limit directly prior to, and during, the pass through or interference; or <br />Coding: Words/letters/numbers underlined are additions to text; words/letters/numbers in <br />StFikethFOUgll format are deletions to text. <br />42 <br />