Environmental Qualification of Class Ie Electrical Equipment - Clarification of Staff's Handling of Proprietary Information (Generic Letter 81-15)

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

                               March 10, 1981 

ALL LICENSEES OF OPERATING PLANTS AND APPLICANTS FOR OPERATING LICENSES 
     AND HOLDERS OF CONSTRUCTION PERMITS 

SUBJECT:  ENVIRONMENTAL QUALIFICATION OF CLASS IE ELECTRICAL EQUIPMENT -
          CLARIFICATION OF STAFF'S HANDLING OF PROPRIETARY INFORMATION 
          GENERIC LETTER NO. 81-15 

Reference (a) SECY-81 -119 dated February 24, 1981, Subject as above 

This letter transmits Reference (a) which presents the NRC staff 
requirements regarding the nature of the information necessary to establish 
the qualification of safety related electrical equipment. It is sent to you 
in response to concerns from certain equipment vendors, and clarifies our 
position that summary type information alone is not adequate to establish 
qualification. 

                                   Sincerely, 


                                   Darrell G. Eisenhut, Director 
                                   Division of Licensing  
                                   Office of Nuclear Reactor Regulation 

Enclosure: 
SECY-81-119 dated 
  February 24, 1981