Radon
A colorless, odorless radioactive soil gas that can accumulate indoors; EPA recommends action at 4 pCi/L.
Quick flashcard
What does Radon mean on the Texas real estate exam?
Answer: A colorless, odorless radioactive soil gas that can accumulate indoors; EPA recommends action at 4 pCi/L.
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Radon definition
Radon forms from the natural breakdown of uranium in soil and rock and can enter buildings through foundations. Testing is the only way to know the indoor concentration.
EPA recommends fixing a home at 4 pCi/L and considering action between 2 and 4 pCi/L. That recommendation is not a federal requirement that every home seller test before sale.
Source basis
Definition checked against the official sources below on .
On the exam
Exam trap
Tested in
Disclosures & Environmental (9 of 80 National)
From definition to recall
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Try 5 free questionsThis definition is Texas real estate exam-prep education, not legal, tax, or professional advice. Verify current rules against the official source before relying on them for a real transaction. Back to the full glossary.