(State-only requirement not federally enforceable.) This section takes effect on the effective date of EPA's removal of the September 20, 1993, version of WAC 173-400-107 from the SIP.

(1) Notify the permitting authority.

(a) When excess emissions represent a potential threat to human health or safety, the owner or operator must notify the permitting authority by phone or electronic means as soon as possible, but not later than twelve hours after the excess emissions were discovered.

(b) For all other excess emissions, the owner or operator must notify the permitting authority in a report as provided in subsection (2) of this section.

(2) Report. The owner or operator must report all excess emissions to the permitting authority:

(a) To claim emissions as unavoidable under WAC 173-400-109, the report must contain the information in subsection (4) of this section.

(b) Chapter 173-401 WAC source: As provided in WAC 173-401-615(3) and subsection (4) of this section. Subsection (3) of this section does not apply to a chapter 401 source reporting under WAC 173-401-615.

(c) All other sources:

(i) Within thirty days after the end of the month during which the event occurred; or

(ii) As part of the next routine emission monitoring report.

(3) The report must contain at least the following information:

(a) Date, time, duration of the episode;

(b) Known causes;

(c) For exceedances of an emission limitation other than opacity, an estimate of the quantity of excess emissions;

(d) The corrective actions taken; and

(e) The preventive measures taken or planned to minimize the chance of recurrence.

(4) For an excess emission event that the owner or operator claims was unavoidable under WAC 173-400-109, the report must also include the following information:

(a) Properly signed contemporaneous records or other relevant evidence documenting the owner or operator's actions in response to the excess emissions event;

(b) Information on whether installed emission monitoring and pollution control systems were operating at the time of the exceedance. If either or both systems were not operating, information on the cause and duration of the outage; and

(c) All additional information required under WAC 173-400-109(5) supporting the claim that the excess emissions were unavoidable.