C A N A D A
Toronto
Ottawa
Kenora
Fort Frances
Keewatin
Thunder Bay
Dryden GeraldtonLonglac
Marathon
HearstKapuskasing
Timmins
Iroquois Falls
Kirkland Lake
Englehart
New Liskeard
CobaltHaileybury
MattawaNorth Bay
Powassan
Capreol
Valley East
Sault Ste Marie
Owen SoundMeaford
Sarnia
Chatham
Windsor
PeterboroughBarrie
Port HopeCobourg
BrightonTrenton
BellevilleDeseronto
Kingston
Nepean
Hawkesbury
Mississippi Mills
Carleton PlaceSmiths Falls
Perth
Gananoque
Brockville
Prescott
Cornwall
ArnpriorRenfrew
PembrokePetawawa
Deep River
Sudbury
EspanolaThessalon
Blind River
Elliot Lake
HuntsvilleParry Sound
Bracebridge
Orillia
Gravenhurst
Petrolia
Kingsville
Aylmer
Midland
Leamington
St. Thomas
Amherstburg
Forest
TillsonburgSimcoe
Strathroy
Innisfil
Collingwood LindsayBeaverton
Cannington
Niagara Falls
Guelph
Oshawa
Kitchener
London
Toronto
Ottawa
Kenora
Fort Frances
Keewatin
Thunder Bay
Dryden GeraldtonLonglac
Marathon
HearstKapuskasing
Timmins
Iroquois Falls
Kirkland Lake
Englehart
New Liskeard
CobaltHaileybury
MattawaNorth Bay
Powassan
Capreol
Valley East
Sault Ste Marie
Owen SoundMeaford
Sarnia
Chatham-Kent
Windsor
PeterboroughBarrie
Port HopeCobourg
BrightonTrenton
BellevilleDeseronto
Kingston
Nepean
Hawkesbury
Mississippi Mills
Carleton PlaceSmiths Falls
Perth
Gananoque
Brockville
Prescott
Cornwall
ArnpriorRenfrew
PembrokePetawawa
Deep River
Sudbury
EspanolaThessalon
Blind River
Elliot Lake
HuntsvilleParry Sound
Bracebridge
Orillia
Gravenhurst
Petrolia
Kingsville
Aylmer
Midland
Leamington
St. Thomas
Amherstburg
Forest
TillsonburgSimcoe
Strathroy
Innisfil
Collingwood LindsayBeaverton
Cannington
Niagara Falls
Guelph
Oshawa
Kitchener
London
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Sault Ste Marie
Espanola
Thessalon Blind River
Elliot LakeSault Ste Marie
Espanola
Thessalon Blind River
Elliot Lake
*Important: All dwellings need to be tested for radon; a wide spectrum of radon readings can occur in all three zones.
In this map, the regions depicted reflect geologic conditions where higher radon readings might be found in Zone 1 versus Zone 2 and Zone 3 respectively.
Zone 1 – HighZone 2 – ElevatedZone 3 – Guarded
Relative Radon Hazard*
National capitalMost populous cityMajor cityMajor road/highwayRailwayInternational boundary
Radon Potential MapOntario
© 2013. Radon Environmental Management Corp.
Produced by Radon Environmental Management Corp. Published 2013.Copies may be obtained from Radon Environmental at www.radoncorp.com.
ISBN
978
-0-9
8776
45-6
-0
0100 100 200 km
Radon Environmental Management Corp.Committed to a healthy future