Latest posts
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Radon in Michigan: What Homeowners Need to Know by Region
Michigan has a radon problem that doesn’t match its reputation. People assume the Great Lakes state — surrounded by water, geologically “flat,” nothing like uranium-rich Colorado or Pennsylvania…
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Radon by US State: Which States Have the Highest Average Levels
About 1 in 15 US homes has radon levels at or above the EPA’s action level of 4 pCi/L — but that statistic hides something most state-level radon…
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How to Test for Radon in a Home You Don’t Own Before Buying
You have exactly 10 days to decide whether to buy a house, and the radon test isn’t yours to run. That’s the situation most buyers find themselves in…
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How to Test for Radon Without a Basement: Slab and Crawl Space Homes
Slab and crawl space homes get radon too — and in some cases, they accumulate it faster than a typical basement. That’s the part most testing guides quietly…
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Radon Test Failed to Send to Lab on Time: Is the Result Still Valid?
Late mail kills radon tests. That’s the blunt answer, and it’s the one most lab instructions quietly dance around. If your charcoal canister sat in the mailbox for…
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How Barometric Pressure Affects Radon Levels and Test Accuracy
A storm rolls in overnight and your continuous radon monitor jumps from 2.8 pCi/L to 6.1 pCi/L by morning — without any change in how you’re living in…
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Radon Test During Closed House Conditions: What This Actually Means
Closed house conditions don’t just change your radon test — they change what the test is actually measuring. That distinction matters more than most testing guides ever bother…
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How Often Should You Retest for Radon After Mitigation?
One retest is not enough. That’s the honest answer most mitigation contractors don’t emphasize loudly enough, and it’s the thing that quietly puts families back at risk after…
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Can I Trust a Radon Test Done by the Seller’s Inspector?
The seller’s radon test came back at 3.8 pCi/L — just under the EPA’s 4 pCi/L action level — and your agent is telling you everything’s fine. Here’s…
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Radon Test Results Vary Between Floors: Which Level Actually Matters?
Your basement reads 6.2 pCi/L. Your first floor reads 1.8 pCi/L. Both numbers are real, both came from the same house, and now you’re not sure which one…
