Ill. Admin. Code tit. 32, 422 app B - Recommended Testing Strategy for Measurements in Buildings Involved in Real Estate Transactions

Current through Register Vol. 46, No. 15, April 8, 2022

The first step is to perform a short-term measurement* in the lowest structural areas**.

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* Short-term tests may last between 2 and 90 days, most last between 2 and 7 days. Tests between seven and 90 days are usually impractical for real estate transactions but are fine for homeowners assessing their own radon situation. Examples of short-term detectors used in home environment testing include: activated charcoal canisters, charcoal liquid scintillation vials, electret chambers and continuous monitors.

** Conduct a short-term test in each of the lowest structural areas suitable for occupancy in the home. For example, if the home is a split-level building with one or more foundation types: test in the basement, in a room over the crawlspace and in a slab-on-grade room. In accordance with this protocol, measurement professionals are required to test in each of the foundation types.

Notes

Ill. Admin. Code tit. 32, 422 app B
Amended at 33 Ill. Reg. 14479, effective October 9, 2009

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