(a) Deviations. The instances specified in paragraphs (a)(1) through (4) of this section are deviations and must be reported according to the requirements in § 63.8254 and recorded according to the requirements in § 63.8256(a)(2).

(1) You must report each instance in which you did not meet each emission limitation in § 63.8190 that applies to you.

(2) You must report each instance in which you did not meet each work practice standard in § 63.8192 that applies to you.

(3) You must report each instance in which the corrective actions taken according to § 63.8244(b)(2)(iv) did not result in average monitoring values being within range within 48 hours of the period that the monitoring value is out of range.

(4) You must report each instance in which the corrective action taken according to § 63.8244(b)(2)(v) did not result in the maximum hourly temperature being above the reference temperature during the first regeneration cycle following the period that the monitoring value was out of range.

(b) Startups, shutdowns, and malfunctions. The provisions of paragraphs (b)(1) through (3) of this section apply until November 7, 2022. On and after November 7, 2022, the provisions of paragraphs (b)(1) through (3) of this section no longer apply. (1) Consistent with §§ 63.6(e) and 63.7(e)(1), deviations that occur during a period of startup, shutdown, or malfunction are not violations if you demonstrate to the Administrator's satisfaction that you were operating in accordance with § 63.6(e)(1).

(2) The Administrator will determine whether deviations that occur during a period of startup, shutdown, or malfunction are violations, according to the provisions in § 63.6(e).

(3) By-passing the control device for maintenance activities is not considered a startup, shutdown, or malfunction event.