To excel in radon testing, professionals typically need knowledge of environmental science, basic building construction, and health and safety regulations, often supported by industry-specific certification such as NRPP or NRSB. Familiarity with radon detection equipment, data loggers, and specialized software for recording and interpreting test results is essential. Attention to detail, strong communication skills, and the ability to work independently are valuable soft skills in this role. These competencies ensure accurate testing, clear client communication, and adherence to safety standards, all critical for protecting public health.