What should be done if closed-building conditions are not met when placing a passive device for testing?

In the context of radon testing, closed-building conditions are crucial for obtaining accurate measurements. These conditions generally require that windows and doors remain closed for at least 12 hours prior to and during the testing period, which typically lasts from 48 to 96 hours, depending on the type of test being conducted. This is essential because the movement of air, along with potential entry of outdoor radon, can significantly affect the levels detected by the passive testing device.

When closed-building conditions are not met, it is imperative to postpone testing in order to ensure that the results will accurately reflect the radon levels present in the home when it is being lived in under normal conditions. Proceeding with the test under these circumstances would likely yield unreliable data, leading to misinterpretations about the radon situation in the home.

Postponing allows for a more reliable assessment, as it ensures that when the test is eventually conducted, the environment replicates typical living conditions that homeowners would experience. This approach not only promotes accuracy but also follows established testing protocols, ensuring compliance with appropriate standards and guidelines.