The owner or operator of a stationary source shall revise and update the RMP submitted at least once every 5 years from the date of
the initial submission or more recent update by paragraphs (b)(2) through (b)(7) of 40 CFR 68.190, whichever is later. The city of Yakima's original RMP was submitted on 6/22/1999. The RMP was not updated and resubmitted by the 6/22/2004 deadline.