Pursuant to 10 CFR Section 50.90 of the Commission's Rules and Regulations, Yankee Atomic Electric Company (YAEC) requested Nuclear Regulatory Commission (NRC) review and approval of an amendment to the Yankee Nuclear Power Station (YNPS) Security Plan (References (b) and (c)). In support of this request, YAEC hereby submits, in accordance with 10 CFR Section 50.91, the corresponding significan...