Radon Testing

Radon Gas Testing

Radon testing is a procedure used to measure the levels of Radon gas, a colorless, odorless, and radioactive gas that can seep into homes and pose health risks. It typically involves placing detectors or monitors in various areas of a building or a home to assess the concentration of radon gas over a specific period. Radon is a natural byproduct of uranium decay in soil and rock, and elevated levels can be harmful when inhaled, potentially leading to lung cancer. Testing helps homeowners and property buyers determine if radon mitigation measures are necessary to reduce radon levels and safeguard the indoor air quality.

Does Radon exist in every home or building?

Radon gas may be present in varying amounts in the soil beneath residences and has the potential to infiltrate any structure through foundation cracks or gaps. As a result, the possibility of radon’s existence exists in any home. Nevertheless, radon concentrations can vary significantly between locations, and not all homes will exhibit high radon levels. The presence and quantity of radon gas are contingent on factors such as the local geology, the building’s construction, and its ventilation system. It is advisable to conduct radon testing in a specific home to determine its radon levels accurately. If elevated levels are detected, mitigation measures can be implemented to reduce radon exposure to safe levels.

How is Radon harmful to one's health?

Radon gas is harmful because it emits radioactive particles that, when inhaled, can damage lung tissue and increase the risk of developing lung cancer. Prolonged exposure to elevated levels of radon can lead to serious health consequences, especially in indoor environments where it can accumulate. Radon is the second leading cause of lung cancer after smoking and is responsible for thousands of lung cancer deaths each year. It is crucial to mitigate radon levels in homes and workplaces to reduce this health risk and safeguard individuals from the harmful effects of radon gas exposure.

How often should Radon testing be done?

Radon testing frequency depends on various factors, including the region’s radon levels, the type of building, and any previous mitigation efforts. In general, it’s recommended to conduct an initial radon test when purchasing a home or if you haven’t tested your current residence before. If the initial test reveals low radon levels (below the EPA action level of 4 picocuries per liter), no further testing may be necessary. However, in areas with known radon issues or if the initial test indicates elevated levels, it’s advisable to retest every 2 to 5 years or when significant structural changes or renovations occur that could affect radon levels. Regular testing helps ensure ongoing awareness of radon exposure risks and allows for timely mitigation if necessary.

How does Radon enter one's home?

Radon, an invisible, odorless, and radioactive gas, infiltrates homes through the natural decay of uranium in the soil and rocks beneath their foundations. As uranium breaks down, it emits radon gas, which can seep indoors through foundation, wall, or floor openings, accumulating within the living space. Additionally, radon can find its way into homes through the water supply, dissolving into groundwater from the surrounding earth. When this radon-laden water is used for daily activities like bathing, cooking, or laundry, the gas can escape into the indoor air during water agitation or heating. Even the aeration of water through faucets and showerheads can release radon, posing an inhalation risk. To counter this threat, radon-in-water reduction systems, such as aeration or activated carbon filtration, can be installed to eliminate radon before it enters the home. Given that prolonged exposure to high radon levels ranks as the second-leading cause of lung cancer after smoking, it is of utmost importance to regularly monitor and mitigate radon levels within residential settings.

What does a Radon test entail?

During a radon test, a specialized radon testing device / detector is strategically placed, following the manufacturer’s instructions, in the home or the area of concern where the testing is desired. The device passively collects air samples over a specific period, usually a few days to several months, depending on the type of test being performed. Radon gas, which is a naturally occurring radioactive gas, can seep into homes from the ground and other sources. The test measures the concentration of radon in the air within the testing area. The results data is then compiled and analyzed, culminating in a radon level report. This report indicates whether the radon levels in the tested area are within safe limits or if mitigation measures are necessary to reduce radon exposure if levels are elevated.

Does the house need to be vacant during the testing?

In most cases, a home being tested for radon does not need to be empty or vacant during the test. Radon measurements are usually taken under typical living conditions to provide an authentic reflection of daily radon levels. However, to obtain accurate results, it is important to follow the specific test instructions provided by a radon measurement professional. These instructions may include closing windows and doors, minimizing excess airflow, and refraining from disturbing test equipment during testing. To obtain accurate measurements of radon levels, it is important to strictly follow the prescribed test conditions.

What would be the course of action if the testing showed elevated, potentially health-hazardous level of Radon in the home or property?

If radon testing indicates elevated and potentially hazardous radon levels in a home or property, the recommended action is to consult with a certified Radon Measurement Professional. They assess the special conditions and implement the necessary measures to reduce the radon level to a safe level. This usually requires the installation of a Radon mitigation system, which may include methods such as slab depressurization or ventilation systems to direct radon gas away from inhabited spaces and preferably away from the home. Consistent monitoring and regular maintenance of the mitigation system is essential to ensure ongoing safety. Immediate correction of elevated radon concentrations is necessary to minimize the health risks associated with long-term radon exposure.

RADON TESTING IS MANDATORY IN FLORIDA

According to the Florida Department of Health, Radon Testing is “required for all public and private school buildings or school sites housing students in kindergarten through grade 12; all state-owned, state-operated, state-regulated, or state-licensed 24-hour care facilities; and all state-licensed day care centers for children or minors. This requirement is the same for all buildings in facilities required to be tested for radon per Florida Statute 404.056. Currently all buildings in a facility that are used by the clients of the facility are required to be tested twice, five years apart.” The requirements differ by county, so make sure you check with your respective county what is applicable to your situation.

Details of FL DOH mandate can be found here: https://www.floridahealth.gov/environmental-health/radon/mandatory-testing.html