327 IAC 5-3.5-10

327 IAC 5-3.5-10 Transitional mercury effluent limitation

Last amended: 2026Year: 2027Length: 250 wordsOfficial source

Cite as Ind. Admin. Code tit. 327, r. 5-3.5-10

Sec. 10. (a) Either at the time a discharging facility applies for or when it receives a renewal of an NPDES permit with a previously established mercury limit from a prior NPDES permit for which a compliance schedule for mercury is not established in the renewed permit and the discharging facility has not had a prior SMV, then the following may be done to assure compliance with the renewed permit: (1) In a written document to the department, the discharging facility should: (A) indicate that the discharging facility is planning to apply for an SMV in accordance with this rule; and (B) provide information to establish a transitional limit consistent with section 8 of this rule. (2) The department may issue a transitional limit for the discharging facility through a permit modification or an order under IC 13-14-1-9 until the SMV is either approved or denied. (b) If an SMV is denied, a discharger may request an individual variance, notwithstanding the time limitations set in 327 IAC 5-3-4.1, by doing the following: (1) Requesting the commissioner's consideration and written determination on a request for a mercury variance from a water quality standard as provided in 327 IAC 2-1-8.8 or 327 IAC 2-1.5-17. (2) Applying for the mercury variance up to ninety (90) days after the denial of the SMV so long as all other requirements in 327 IAC 5-3-4.1 are met. The applicant may petition the commissioner for up to an additional ninety (90) day period to submit the application.