Radon in ZIP code 72459
Last updated
ZIP 72459 crosses 3 county lines. Most of its land (39.3%) is in Randolph County, Arkansas. EPA’s radon zone for this area: Zone 2, moderate potential.
Predicted average indoor screening level from 2 to 4 pCi/L.
Predicted average indoor screening level below 2 pCi/L.
Predicted average indoor screening level from 2 to 4 pCi/L.
What this means for homes in 72459
EPA built its zone map county by county in 1993, so every address in each part of 72459 shares its county’s prediction. The zone is a starting point, not a measurement of your house. In a Zone 2 area many homes are fine and many are not; only a test tells you which yours is.
Because 72459 crosses county lines, your county depends on your street. Your property tax bill or county assessor site shows which county you are in. Next: read how to test your home, then check the number with the level calculator.
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Nearby ZIP codes in Randolph County
Arkansas radon help
AR Department of Health Radiation Control Section (501-661-2621) can help with test kits, local data and credentialed professionals: www.healthy.arkansas.gov/programs-services/topics/radon-gas.
Frequently asked questions
What is the radon zone for ZIP code 72459?
ZIP 72459 spans 3 counties. The highest-potential zone among them is Zone 2 (moderate potential). Randolph County: Zone 2 (39.3% of the ZIP's land); Lawrence County: Zone 3 (36.5% of the ZIP's land); Sharp County: Zone 2 (24.2% of the ZIP's land).
Should I test for radon in 72459?
Yes. EPA recommends testing every home regardless of zone, because radon varies from house to house. Fix the home if a confirmed result is 4 pCi/L or higher, and consider fixing between 2 and 4 pCi/L.
Free checklist · PDF
Radon Test Checklist
A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.
- Short-term vs. long-term test: which to use
- Closed-house conditions and where to place the kit
- What 2, 4 and 8 pCi/L mean and when to fix
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