Case studies — Radon mitigation in Quebec

Case studies — Radon mitigation in Quebec

50 real installations documented: before/after levels, home type, duration and solution. Each project shows what to expect after a C-NRPP certified active depressurization system.

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Bas-Saint-Laurent

Rimouski 1990 — 430→29Rimouski 1984 — 670→38

Beauce

Saint-Georges 1976 — 535→27Saint-Georges 1991 — 480→34

Capitale-Nationale

Quebec City 1978 — 725→42Quebec City 1999 — 445→32

Centre-du-Québec

Drummondville 1979 — 770→33Victoriaville 1982 — 550→44Drummondville 1993 — 410→30Victoriaville 1969 — 780→35

Chaudière-Appalaches

Levis 1986 — 580→28Levis 2008 — 264→19

Estrie

Sherbrooke 1975 — 615→22Granby 1987 — 795→36Bromont 2005 — 380→24Magog 1991 — 490→28Cowansville 1981 — 715→33Shefford 1979 — 640→30Sherbrooke 1992 — 390→21Granby 1976 — 625→27

Grand Montréal

Montreal 1965 — 745→35Montreal 1952 — 2180→48

Lanaudière

Terrebonne 1995 — 290→18Repentigny 1989 — 470→32Mascouche 2001 — 410→31Joliette 1983 — 780→34Terrebonne 1987 — 590→31

Laurentides

Mirabel 1993 — 580→42Blainville 1996 — 360→25Saint-Jérôme 1985 — 650→37Saint-Eustache 1988 — 610→35Boisbriand 1997 — 380→27

Laval

Laval 1992 — 520→48Laval 1973 — 595→26

Mauricie

Trois-Rivieres 1988 — 740→38Shawinigan 1971 — 785→30Trois-Rivieres 1972 — 740→32

Montérégie

Longueuil 1981 — 680→31Brossard 1998 — 340→26Saint-Jean-sur-Richelieu 1980 — 720→39Saint-Hyacinthe 1977 — 655→29Varennes 1986 — 540→40Chambly 1994 — 320→22Sainte-Julie 2000 — 350→24Longueuil 1968 — 1120→29

Outaouais

Gatineau 1984 — 620→41Gatineau 1986 — 755→36

Québec

Charlesbourg 1974 — 695→31

Saguenay–Lac-Saint-Jean

Saguenay 1983 — 705→45Saguenay 1977 — 675→28

Radon system cost · Tests by city