Discuss potential Constellation exemptions from Title 10 of the Code of Federal Regulations (10 CFR) section 50.55a(y) and 10 CFR 50.55a(a)(3)(ii). These regulations incorporate by reference Code Case N-921 from Regulatory Guide 1.147, Revision 21. The ex

Discuss potential Constellation exemptions from Title 10 of the Code of Federal Regulations (10 CFR) section 50.55a(y) and 10 CFR 50.55a(a)(3)(ii). These regulations incorporate by reference Code Case N-921 from Regulatory Guide 1.147, Revision 21. The exemption request, if granted, would allow Dresden Nuclear Power Station Units 2 and 3 and Quad Cities Nuclear Power Station Units 1 and 2 to implement American Society of Mechanical Engineers Code Case N-921 during the current inservice inspection interval.