What type of testing method utilizes short-term measurements to identify radon levels?

The method that utilizes short-term measurements to identify radon levels is the charcoal canister test. Charcoal canister tests are designed to be deployed for a specific period, typically ranging from 2 to 7 days, making them effective for short-term radon testing. During this time, the canister absorbs radon gas, and the concentration can then be analyzed to determine the short-term levels of radon present in the environment.

This type of testing is particularly useful for providing a snapshot of radon levels in a home or building during temporary conditions, which can help inform immediate actions or further testing strategies. Short-term tests, such as the charcoal canister method, are portable and relatively simple to use, making them a popular choice among homeowners and professionals alike when quick results are needed.

In contrast, other methods like continuous monitoring and long-term monitoring are designed to assess radon levels over more extended periods. Continuous monitoring devices provide a real-time assessment of radon levels and can capture fluctuations, while long-term tests generally measure radon levels over periods of 90 days or more to give a comprehensive view of the radon exposure in a dwelling. Grab sampling is a different technique focused on taking immediate snap measurements rather than sustained monitoring.