Crucial Facts about Radon Testing That You Must Know
Radon is a health threat and it might be impossible to see or smell but it can be present in the home you are purchasing, selling or constructing. For that matter, you need to hire the services of home inspectors or other relevant professionals to test for radon presence and recommend ways of reducing its levels. The professionals can test radon presence and devise ways of mitigating it, but you will require reliable test results. A tip to ensure that you get credible results is that you perform the test at the lowest level of the house which has lots of activities like play area, old storeroom or garage. Importantly you must decide the duration of the test and the best time to do it. Usually, there is long-term testing and short period testing which takes roughly 48 hours without any form of interference.
The inspector should have the required equipment for testing radon. This is specialized testing equipment that most home inspectors are conversant with their use when testing radon in premises. If you do not mind, you can seek information from state offices that are concerned with radon testing, and they will explain to you the devices available and the best situation to use each one of them. Two methods are applicable for testing radon; using passive devices and using active devices. Passive devices do not require electricity to function, and they are; alpha-track detectors, electret ion chamber detectors, charcoal canister and charcoal liquid scintillation devices. Each method has special requirements, and all of them must be exposed to air in the home for a specified period. After the duration of exposure to air elapses, it is taken for laboratory analysis. Passive radon testing devices are widely used because they are affordable and they can be used for long-term and short-term testing.
On the other hand, active testing devices are powered by electricity, and they include the use of continuous radon monitors and continuous working level monitors. The instruments measure and record the levels of radon in the air over a specified period. The active devices have more advanced features than the passive gadgets because they have a display unit which shows the fluctuation of radon levels in the apartment. In his report at the end of testing and analysis, the inspector will come up with detailed explanation on the variations. If there is any interference in the process of testing, this will likely affect the results. When there is minimal interference, you can be sure to get reliable results, but the devices with anti-interference features are quite costly.
The home inspector must be aware of the possible interference in radon testing and devise ways of minimizing them. He also needs to know how various factors influence radon results. Therefore, you need a tester or inspector who is conversant with all the issues that he can interpret the results correctly.
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