Nuclear Regulatory Commission Region IV Administrator Arthur Howell announced his retirement August 9. Howell had been serving since March when former Administrator Elmo Collins left. Steven Reynolds will serve as Acting Administrator until Marc Dapas assumes the role, at which point he will become Deputy Administrator. Headquartered in Texas, Region IV oversees AK, AZ, AR, CA, CO, HI, ID, KS, LA, MO, MT, NE, NV, NM, ND, OK, OR, SD, TX, UT, WA, WY, and U.S. Pacific territories.