What percentage of the measurements conducted should be duplicates to maintain reliability?

Maintaining the reliability of radon measurement results is vital for ensuring accurate assessments of radon levels in homes and buildings. To achieve this, industry standards recommend that a specific percentage of measurements should be duplicates. The choice of 10% as the duplicate measurement rate is based on balancing the need for quality assurance in radon testing with practical considerations such as time, cost, and resources.

By conducting duplicate measurements for 10% of the total tests, it allows for a sufficient sample size to identify any discrepancies or errors in the initial measurements. This rate is deemed effective in capturing the variability that can occur in radon detection, including fluctuations due to environmental factors, equipment calibration, and operator error. Ultimately, this practice enhances the overall reliability of radon testing results, ensuring that conclusions drawn regarding radon exposure are well-founded and trustworthy.