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Bill

Bill

LC 4165

Require radon testing in schools

2025 Regular Session

Montana bill requiring schools to test for radon gas exposure to protect student and staff health from this carcinogenic naturally occurring element.

(LC) Draft Died in Process
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Bill Summary · LC 4165

Legislative bill overview

LC 4165 would mandate radon testing in Montana schools to identify and mitigate exposure to this naturally occurring radioactive gas. The bill appears designed to protect students and staff from potential health risks associated with radon accumulation in school buildings.

Why is this important

Radon is the second leading cause of lung cancer after smoking and can accumulate in basements and lower levels of buildings, particularly in certain geographic regions. Requiring systematic testing would create baseline data on radon levels in schools and could lead to remediation efforts where dangerous concentrations are found.

Potential points of contention

  • Cost and implementation burden: School districts would bear expenses for testing and any necessary remediation, which could strain already tight budgets
  • Scope and standards: Disagreement over which schools must test, testing frequency, acceptable radon levels, and remediation requirements
  • Evidence threshold: Questions about whether radon exposure levels in Montana schools warrant mandatory testing versus voluntary or risk-based approaches

Compiled from official sources — confirm details with the bill’s official record.

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