This document corrects a notice appearing in the Federal Register on May 6, 2010 (75 FR 24786), that amends the regulations that govern storage of spent nuclear fuel. Specifically, this action amends the list of approved spent fuel storage casks to add revision 1 to the NUHOMS HD spent fuel storage cask system. This action is necessary to correctly specify the effective date of the rule if no adverse comments are received, because the notice of direct final rulemaking and the companion notice of proposed rulemaking (75 FR 25120; May 7, 2010) were published in the Federal Register on different dates instead of being published concurrently on the same date, as erroneously stated in the notices.