Daily Rules, Proposed Rules, and Notices of the Federal Government
JLD-ISG-2012-02 is being issued to describe methods acceptable to the NRC staff for complying with Order EA-12-050, “Order Modifying Licenses with Regard to Reliable Hardened Containment Vents (Effective Immediately)” (Order EA-12-050), issued March 12, 2012. The ISG is not a substitute for the requirements in Order EA-12-050, and compliance with this ISG not required.
The NRC issued Order EA-12-050 following the NRC staff's evaluation of the earthquake and tsunami, and resulting nuclear accident, at the Fukushima Dai-ichi nuclear power plant in March 2011. Order EA-12-050 requires licensees to implement requirements relating to reliable hardened venting systems at boiler water reactor (BWR) facilities with Mark I and Mark II containment designs. Order EA-12-050 also specified that the NRC staff would issue final interim staff guidance in August 2012 to provide additional information on acceptable approaches for complying with the Order.
Numerous public meetings were held to receive stakeholder input on the proposed requirements for reliable hardened vents prior to issuance of Order EA-12-050. Following issuance of the Order, additional public meetings were held with representatives from the BWR Owners' Group and public stakeholders to discuss development of the guidance for compliance with Order EA-12-050. On June 7, 2012 (77 FR 33777), the NRC requested public comments on draft JLD-ISG-12-02. The
This ISG does not constitute backfitting as defined in Title 10 of the
This interim staff guidance is a rule as designated in the Congressional Review Act (5 U.S.C. 801-808). OMB has found that this is not a major rule in accordance with the Congressional Review Act.
For the Nuclear Regulatory Commission.