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Radon Testing Information

As a follow up to the communication on February 27th, 2024, the District completed a mitigation project and re-testing of certain rooms at Columbia City Elementary. The re-testing occurred in rooms whose initial and follow up test results were above 4.0 pCi/L as prescribed in the Environmental Protection Agency (EPA) and Oregon Health Authority’s (OHA) radon testing and mitigation for schools guidance. The test results indicated radon levels were below EPA's recommended action level of 4.0 pCi/L in all rooms that were retested. 

St. Helens School District Frequently Asked Questions

St. Helens School District Radon Plan

Radon Testing Results