A quality assurance program must include which of the following?

A quality assurance program is essential in ensuring that radon measurement and testing is performed accurately and consistently. It encompasses several critical elements that contribute to the overall reliability of radon measurement results.

The comprehensive nature of option C highlights the importance of including the results of quality control checks, training, qualifications of staff, and protocol compliance. Each of these components plays a vital role in maintaining the integrity of the measurement process:

1. Results of Quality Control Checks: These are essential to verify that the measurement devices are functioning correctly and producing reliable results. Regular quality control assessments help identify any issues that may arise in measurement accuracy.

2. Training: Proper training ensures that all staff involved in radon measurements are knowledgeable about equipment operation, measurement protocols, and safety practices. Ongoing training is crucial as it helps staff stay updated with the latest methods and standards in the industry.

3. Qualifications of Staff: Having qualified personnel is imperative to ensure that the measurements are conducted according to established protocols and standards. This helps instill confidence in the measurement results, both for professionals and clients.

4. Protocol Compliance: Adhering to established protocols is critical in achieving consistent and trustworthy results. It ensures that all measurements are conducted under the same