An action may be commenced under Section 79650 or 79685 at any time prior to expiration of the applicable limitations period provided for by this article.

of operation and maintenance has been certified by the department or a regional board.

An action under Section 79685 for costs incurred by the department for the purposes specified in Section 79450 shall be commenced within three years after certification by the department of the completion of the activities authorized under Section 79450.

corrective action, operation and maintenance, or during the performance of the activities authorized by Section 79450, but the application shall be made not later than three years after the certification of completion of the response or corrective action, operation and maintenance, or activities authorized pursuant to Section 79450.

This article does not apply to a cost recovery action brought by a regional board under the Water Code.