NUREG-0630 "Cladding, Swelling And Rupture - Models For LOCA Analysis" (Generic Letter 80-01)

GL80001 

                               UNITED STATES 
                       NUCLEAR REGULATORY COMMISSION 
                          WASHINGTON, D. C. 20555 

                              January 3, 1980 

ALL POWER REACTOR LICENSEES 

Gentlemen: 

     Our letter of December 20, 1979 asked for written comments to the draft
report of NUREG-0630 by January 9, 1980. Due to delays in getting this 
letter to you, we have extended the comment period one week to January 16, 
1980. 

                                   Sincerely, 


                                   W. P. Gammill, Acting Assistant Director 
                                     for Operating Reactor Projects 
                                   Division of Operating Reactors 

                                                                 8002110276