Are exercises required as a part of the emergency response program requirements under 40 CFR Part 68, Subpart E?

Yes. At least once each calendar year, the owner or operator of a stationary source with any Program 2 or Program 3 process must conduct an exercise of the stationary source's emergency response notification mechanisms per 40 CFR 68.90(b)(3) or 68.95(a)(1)(i), as appropriate, before December 19, 2024, and annually thereafter (40 CFR Section 68.96(a)). Additionally, the owner or operator of a stationary source subject to the requirements of 40 CFR Section 68.95 must develop and implement an exercise program that includes field and/or tabletop exercises for its emergency response program (40 CFR Section 68.96(b)).