Home Safety / Products / Radon in Basement and Ground Floor (Second Leading Cause of Lung Cancer)

Radon in Basement and Ground Floor (Second Leading Cause of Lung Cancer) — household safety profile

High risk

Radon-222: radioactive gas from natural uranium decay in soil that seeps through basement cracks, sump pits, and foundation joints.

What is this product?

Radon-222: radioactive gas from natural uranium decay in soil that seeps through basement cracks, sump pits, and foundation joints. Second leading cause of lung cancer after smoking (21,000 US deaths/year — EPA). Odorless, colorless, tasteless — testing is the ONLY way to detect. EPA action level: 4.0 pCi/L. 1 in 15 US homes exceeds the EPA action level. Mitigation (sub-slab depressurization) reduces levels 80-99% and costs $800-2,500.

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Radioactive Gas

Who's most at risk

  • Children — Developing endocrine and neurological systems, higher exposure per body weight

Red flags — when to walk away

  • Visible mold, persistent chemical odor, or symptoms when home — Indoor air quality issue requiring investigation.

Green flags — what to look for

  • GREENGUARD Gold, CRI Green Label Plus, or equivalent IAQ certification — Product tested for low chemical emissions.

Safer alternatives

  • Sub-slab depressurization system — 80-99% radon reduction
  • Radon-resistant new construction — RRNC) for new homes
  • Sealing cracks and sump pit covers — supplemental, not sufficient alone

Frequently asked questions

Who should be careful with Radon in Basement and Ground Floor (Second Leading Cause of Lung Cancer)?

Vulnerable populations identified for this product type: children.

Are there safer alternatives to Radon in Basement and Ground Floor (Second Leading Cause of Lung Cancer)?

Yes — consider: Sub-slab depressurization system; Radon-resistant new construction; Sealing cracks and sump pit covers. See the Safer alternatives section above for details.

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Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →