Approval of Air Plan Revisions; Arizona; Rescissions and Corrections

Due to the receipt of adverse comments, the Environmental Protection Agency (EPA) is withdrawing a portion of the February 11, 2016 direct final rule approving certain revisions to the Arizona State Implementation Plan (SIP) and correcting certain errors. The adverse comments relate to a particular test method and thus the EPA is withdrawing the portion of the direct final rule that relates to the test methods that include the test method for which the adverse comments were received.