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the claim

Crawl space encapsulation reduces indoor radon levels in houses.

the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 2 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Crawl space encapsulation reduces indoor radon levels in houses?

Unclear. No retrieved item directly tests crawl space encapsulation as a radon-reduction measure. Two studies offer only indirect, partial counter-indications: crawl-space houses in Kentucky showed higher radon than slab houses, and Norwegian well-ventilated crawl spaces exempt from preventive measures still sometimes exceeded action levels.

Verdict: PARTIAL LEAN · 0 sources for, 2 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 2
The effect of new building regulations on indoor radon in radonprone municipalities
2022
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Haanes, H., Kolstad, T., Finne, I., & Olsen, B. (2022). The effect of new building regulations on indoor radon in radonprone municipalities. doi.org. https://doi.org/10.35815/radon.v3.7886

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More against · 1
Building design, resident's behavior, and indoor radon in the Commonwealth of Kentucky
2021
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Mansour, O. E. & Haddad, B. (2021). Building design, resident's behavior, and indoor radon in the Commonwealth of Kentucky. doi.org. https://doi.org/10.62704/10057/24773

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