International Regulation

ISO published 11929:2025 revision. Standardizes decision thresholds and detection limits using Bayesian statistics and Monte Carlo methods.

• Replaces frequentist models that inflated false-positive rates near the background
• Harmonizes uncertainty calculations across detector platforms and national regulators
• Directly affects calibration protocols for portable and fixed detection systems

Confidence: 5/5. Official ISO publication.

Sources: ITEH, SFS