Subject Area Indicators and Key Word List for Restricted Data and Formerly Restricted Data

The purpose of this book is to assist individuals of Government agencies who generate or review classified documents to recognize the presence of nuclear information that is potentially classified as Restricted Data (RD) or Formerly Restricted Data (FRD).

Office of Environment, Health, Safety & Security

May 9, 2021
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The purpose of this book is to assist individuals of Government agencies who generate or review classified documents to recognize the presence of nuclear information that is potentially classified as Restricted Data (RD) or Formerly Restricted Data (FRD). This book is particularly helpful to document reviewers conducting declassification reviews pursuant to Executive orders.

This book will not help you determine what is and what isn’t classified. It will enable you to identify subject areas and key words which may indicate the presence of classified DOE information.