United States Regulation

Executive order directed the NRC to reconsider the linear no-threshold model and ALARA standard for radiation exposure limits. Mandates regulatory action within 18 months.

• Detection equipment sensitivity specs may shift from ultra-low to threshold-based
• ANSI N42 compliance testing could require revision
• Federal procurement language (DHS, DOE, NRC) likely to change — timeline unknown

Confidence: 5/5. White House primary source.

Source: White House