The other day I received an email requesting further information on a blog post I wrote about radon back in January in N.E. Portland that has been called “Radon Ridge” by the media.

Her question to me was where in Northeast specifically were those areas.  Attached is a map showing those zip codes reported by Portland State University to show high concentrates of radon in our area.

Radon is a natural gas that causes lung cancer and is this nation’s second leading cause of death.  There are high levels of radon in an area that stretches from the St. John’s neighborhood in North Portland to the Rocky Butte area.  You will see from the map below that most of Clark County and Vancouver, Washington are also included in the study and report. 

When buying a house in Oregon it is essential, particularly in those areas, to have an inspection and radon testing done to determine the levels of radon present. 

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