Environmental

Radon testing in Maine is typically measured in:

AParts per million (ppm)
BPicocuries per liter (pCi/L)✓ Correct
CParts per billion (ppb)
DRems per hour

Explanation

Radon levels are measured in picocuries per liter (pCi/L) of air. The EPA action level is 4 pCi/L; mitigation is recommended above this level. Maine properties on granite bedrock often have elevated radon.

Related Maine Environmental Questions

Practice More Maine Real Estate Questions

1,500+ questions covering all exam topics. Start free — no signup required.

Take the Free Maine Quiz →