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Building Regulations (Northern Ireland) 2000
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Regulation C2(2)
SCHEDULE 3Map of radon affected zones
Key to Map
Zone 1 — 1% to 10% probability of radon concentration exceeding 200 becquerels per cubic metre.
Zone 2 — Greater than 10% probability of radon concentration exceeding 200 becquerels per cubic metre.
Notes to Map
The grid shown on the map is the Irish Grid established by the Ordnance Survey of Northern Ireland.
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