d * ‘by PHS- O63 ADDENDUM OFF-SITE RADIOLOGICAL SAFETY PROGRAM SOUTHWESTERN RADIOLOGICAL HEALTH LABORATORY CONSUMER PROTECTION AND ENVIRONMENTAL HEALTH SERVICE This addendum is intended to cover several areas of the PHS-SWRHL program that could not be covered in the unclassified presentation. These areas are: 1. Pre-event evaluation and assessment of potential hazards from individual events. 2. Results for various isotopes that could possibly be evaluated to indicate a boosted or thermonuclear device and to determine the fusion yield. 3. Unannounced events. Evaluation of the public health aspects of a given event will be affected by the following classified information: DOE ARCHIVES 3