Laurelhurst
January 2016
Starting Radon Level: 15.6
Final Radon Level: 1.6
Rose City Park
January 2016
Starting Radon Level: 8.0
Final Radon Level: 4.7
South Tabor
January 2016
Starting Radon Level: 4.0
Final Radon Level: 0.6
Irvington
January 2016
Starting Radon Level: 6.7
Final Radon Level: 1.9
Concordia
January 2016
Starting Radon Level: 4.0
Final Radon Level: 1.2
Kenton
January 2016
Starting Radon Level: 8.2
Final Radon Level: 0.8
Milwaukie
January 2016
Starting Radon Level: 4.7
Final Radon Level: 1.0
Grant Park
February 2016
Starting Radon Level: 9.0
Final Radon Level: 1.5
Tualatin
February 2016
Starting Radon Level: 4.4
Final Radon Level: 0.8
Richmond
February 2016
Starting Radon Level: 5.9
Final Radon Level: 0.9
Buxton
February 2016
Starting Radon Level: 29.9
Final Radon Level: 11.0
Gresham
February 2016
Starting Radon Level: 8.0
Final Radon Level: 6.0
Sumner
March 2016
Starting Radon Level: 6.2
Final Radon Level: 0.8
Raleigh Hills
March 2016
Starting Radon Level: 5.2
Final Radon Level: 1.9
Powellhurst-Gilbert
March 2016
Starting Radon Level: 26.5
Final Radon Level: 1.0
Raleigh Hills
March 2016
Starting Radon Level: 10.4
Final Radon Level: 1.9
North Plains
March 2016
Starting Radon Level: 10.0
Final Radon Level: 0.6
Hosford-Abernethy
March 2016
Starting Radon Level: 4.0
Final Radon Level: 0.6
Russell
March 2016
Starting Radon Level: 10.0
Final Radon Level: 1.4
Powellhurst-Gilbert
March 2016
Starting Radon Level: 4.0
Final Radon Level: 1.2
Tualatin
March 2016
Starting Radon Level: 5.1
Final Radon Level: 1.5
Russell
March 2016
Starting Radon Level: 10.0
Final Radon Level: 1.4
Roseway
March 2016
Starting Radon Level: 10.0
Final Radon Level: 3.5
Creston-Kenilworth
March 2016
Starting Radon Level: 8.0
Final Radon Level: 0.6
Wilkes
March 2016
Starting Radon Level: 4.0
Final Radon Level: 0.4
Beaumont-Wilshire
March 2016
Starting Radon Level: 8.3
Final Radon Level: 1.4
Hosford-Abernethy
April 2016
Starting Radon Level: 15.5
Final Radon Level: 1.1
Overlook
April 2016
Starting Radon Level: 3.9
Final Radon Level: 0.5
University Park
April 2016
Starting Radon Level: 6.4
Final Radon Level: 0.7
Gresham
April 2016
Starting Radon Level: 17.4
Final Radon Level: 0.6
Arbor Lodge
April 2016
Starting Radon Level: 15.0
Final Radon Level: 1.2
Montavilla
April 2016
Starting Radon Level: 4.5
Final Radon Level: 1.0
Foster-Powell
April 2016
Starting Radon Level: 6.5
Final Radon Level: 0.4
Hillsboro
April 2016
Starting Radon Level: 8.1
Final Radon Level: 0.6
Woodlawn
April 2016
Starting Radon Level: 8.1
Final Radon Level: 0.6
Hosford-Abernethy
April 2016
Starting Radon Level: 4.0
Final Radon Level: 1.0
Gresham
April 2016
Starting Radon Level: 25.0
Final Radon Level: 4.5
Tualatin
April 2016
Starting Radon Level: 8.0
Final Radon Level: 1.1
Milwaukie
May 2016
Starting Radon Level: 6.5
Final Radon Level: 0.7
Powellhurst-Gilbert
May 2016
Starting Radon Level: 7.1
Final Radon Level: 0.6
Oregon City
May 2016
Starting Radon Level: 10.0
Final Radon Level: 3.0
Scappoose
May 2016
Starting Radon Level: 6.8
Final Radon Level: 1.0
Gladstone
May 2016
Starting Radon Level: 7.0
Final Radon Level: 2.5
Sabin
May 2016
Starting Radon Level: 4.0
Final Radon Level: 0.5
Forest Grove
May 2016
Starting Radon Level: 22.0
Final Radon Level: 1.4
North Plains
May 2016
Starting Radon Level: 10.0
Final Radon Level: 0.6
University Park
May 2016
Starting Radon Level: 4.0
Final Radon Level: 0.4
West Linn
June 2016
Starting Radon Level: 4.9
Final Radon Level: 0.4
Beaumont-Wilshire
June 2016
Starting Radon Level: 11.8
Final Radon Level: 1.0
Lents/Powellhurst-Gilbert
June 2016
Starting Radon Level: 5.3
Final Radon Level: 1.2
Milwaukie
June 2016
Starting Radon Level: 5.0
Final Radon Level: 0.2
Humboldt
June 2016
Starting Radon Level: 25.0
Final Radon Level: 0.9
St Johns
June 2016
Starting Radon Level: 5.9
Final Radon Level: 2.6
Sandy
June 2016
Starting Radon Level: 4.0
Final Radon Level: 1.3
Sellwood-Mooreland
June 2016
Starting Radon Level: 5.0
Final Radon Level: 3.4
Milwaukie
June 2016
Starting Radon Level: 5.0
Final Radon Level: 2.2
Beaumont-Wilshire
June 2016
Starting Radon Level: 3.0
Final Radon Level: 1.1
Sunnyside
2016
Starting Radon Level: 5.0
Final Radon Level: 0.3
Newberg
June 2016
Starting Radon Level: 5.5
Final Radon Level: 1.0
Tigard
June 2016
Starting Radon Level: 8.0
Final Radon Level: 0.6
Sellwood-Mooreland
June 2016
Starting Radon Level: 5.0
Final Radon Level: 3.4
Oregon City
June 2016
Starting Radon Level: 6.2
Final Radon Level: 0.4
Wilkes
June 2016
Starting Radon Level: 8.7
Final Radon Level: 1.7
Hosford-Abernethy
June 2016
Starting Radon Level: 5.0
Final Radon Level: 0.9
Montavilla
June 2016
Starting Radon Level: 6.0
Final Radon Level: 0.9
Lents
July 2016
Starting Radon Level: 9.0
Final Radon Level: 1.2
Mt. Tabor
July 2016
Starting Radon Level: 6.3
Final Radon Level: 0.8
Mill Park
July 2016
Starting Radon Level: 4.3
Final Radon Level: 1.0
Tillamook, OR
July 2016
Starting Radon Level: 5.2
Final Radon Level: 1.0
Far Southwest
July 2016
Starting Radon Level: 7.0
Final Radon Level: 1.0
Lake Oswego, OR
July 2016
Starting Radon Level: 5.4
Final Radon Level: 0.4
Columbia City, OR
July 2016
Starting Radon Level: 13.6
Final Radon Level: 0.5
Humboldt
July 2016
Starting Radon Level: 5.0
Final Radon Level: 0.5
North Plain, OR
July 2016
Starting Radon Level: 10.0
Final Radon Level: 0.6
Southwest Hills
2016
Starting Radon Level: 6.3
Final Radon Level: 1.5
Argay
July 2016
Starting Radon Level: 4.0
Final Radon Level: 1.7
Vancouver, WA
July 2016
Starting Radon Level: 5.2
Final Radon Level: 0.4
Cully
July 2016
Starting Radon Level: 4.3
Final Radon Level: 0.5
Cathedral Park
July 2016
Starting Radon Level: 5.3
Final Radon Level: 0.5
Rose City Park
July 2016
Starting Radon Level: 7.0
Final Radon Level: 0.3
Hazelwood
2016
Starting Radon Level: 7.0
Final Radon Level: 0.3
Washington County
December 2015
Starting Radon Level: 6.6
Final Radon Level: 1.0
Banks
December 2015
Starting Radon Level: 17.0
Final Radon Level: 1.1
Washington County
December 2015
Starting Radon Level: 4.0
Final Radon Level: 0.6
Portsmouth
December 2015
Starting Radon Level: 12.0
Final Radon Level: 0.9
Beaverton
December 2015
Starting Radon Level: 6.8
Final Radon Level: 0.8
Woodlawn
December 2015
Starting Radon Level: 7.0
Final Radon Level: 1.0
Foster/Powell
December 2015
Starting Radon Level: 4.0
Final Radon Level: 0.7
Hayhurst
December 2015
Starting Radon Level: 4.0
Final Radon Level: 0.5
Hillsboro
November 2015
Starting Radon Level: 4.0
Final Radon Level: 1.7
Milwaukie
November 2015
Starting Radon Level: 6.1
Final Radon Level: 1.1
Vancouver, WA
November 2015
Starting Radon Level: 30.8
Final Radon Level: 1.3
Cully
November 2015
Starting Radon Level: 4.0
Final Radon Level: 0.9
Hillside
November 2015
Starting Radon Level: 10.5
Final Radon Level: 1.8
Sellwood
November 2015
Starting Radon Level: 4.7
Final Radon Level: 0.7
Madison South
November 2015
Starting Radon Level: 9.5
Final Radon Level: 0.9
Milwaukie
October 2015
Starting Radon Level: 8.4
Final Radon Level: 0.6
Alameda
October 2015
Starting Radon Level: 20.0
Final Radon Level: 2.0
Newburg
October 2015
Starting Radon Level: 3.6
Final Radon Level: 0.5
Grant Park
September 2015
Starting Radon Level: 5.0
Final Radon Level: 0.5
Hosford/Abernethy
September 2015
Starting Radon Level: 5.3
Final Radon Level: 2.0
Corvallis
September 2015
Starting Radon Level: 4.0
Final Radon Level: 0.5
University Park
September 2015
Starting Radon Level: 4.0
Final Radon Level: 0.8
Arbor Lodge
September 2015
Starting Radon Level: 6.0
Final Radon Level: 0.4
Brentwood/Darlington
August 2015
Starting Radon Level: 26.0
Final Radon Level: 0.9
Mt. Scott/Arleta
August 2015
Starting Radon Level: 4.5
Final Radon Level: 1.0
Overlook
August 2015
Starting Radon Level: 5.9
Final Radon Level: 0.5
Dundee
July 2015
Starting Radon Level: 14.0
Final Radon Level: 0.8
Lake Oswego
July 2015
Starting Radon Level: 5.4
Final Radon Level: 0.8
Washington County
July 2015
Starting Radon Level: 16.3
Final Radon Level: 0.6
Irvington
June 2015
Starting Radon Level: 4.0
Final Radon Level: 1.1
Sellwood
June 2015
Starting Radon Level: 5.0
Final Radon Level: 1.0
Alameda
June 2015
Starting Radon Level: 10.1
Final Radon Level: 2.0
Sabin
June 2015
Starting Radon Level: 4.4
Final Radon Level: 1.2
Roseway
June 2015
Starting Radon Level: 13.9
Final Radon Level: 1.0
Russell
June 2015
Starting Radon Level: 15.0
Final Radon Level: 0.9
Mill Park
June 2015
Starting Radon Level: 13.0
Final Radon Level: 0.8
Lake Oswego
June 2015
Starting Radon Level: 4.6
Final Radon Level: 0.8
Woodstock
May 2015
Starting Radon Level: 4.0
Final Radon Level: 1.1
Cully
May 2015
Starting Radon Level: 4.0
Final Radon Level: 0.4
Parkrose Heights
May 2015
Starting Radon Level: 9.0
Final Radon Level: 0.7
Roseway
May 2015
Starting Radon Level: 4.1
Final Radon Level: 0.8
Gresham
May 2015
Starting Radon Level: 13.4
Final Radon Level: 1.5
Concordia
May 2015
Starting Radon Level: 6.0
Final Radon Level: 1.0
Lake Oswego
May 2015
Starting Radon Level: 5.0
Final Radon Level: 0.3
Concordia
May 2015
Starting Radon Level: 6.0
Final Radon Level: 3.3
Kenton
May 2015
Starting Radon Level: 4.1
Final Radon Level: 0.8
Foster/Powell
May 2015
Starting Radon Level: 10.0
Final Radon Level: 1.1
Vancouver, WA
May 2015
Starting Radon Level: 21.3
Final Radon Level: 3.0
Beaverton
May 2015
Starting Radon Level: 6.3
Final Radon Level: 1.0
Mt Scott/Arleta
May 2015
Starting Radon Level: 14.0
Final Radon Level: 2.5
Arbor Lodge
May 2015
Starting Radon Level: 7.4
Final Radon Level: 1.0
Lents
May 2015
Starting Radon Level: 35.0
Final Radon Level: 1.4
Arbor Lodge
May 2015
Starting Radon Level: 7.4
Final Radon Level: 1.0
Beaumont/Wilshire
May 2015
Starting Radon Level: 8.0
Final Radon Level: 1.2
St Johns
May 2015
Starting Radon Level: 4.1
Final Radon Level: 0.4
Portsmouth
May 2015
Starting Radon Level: 9.0
Final Radon Level: 0.5
Alameda
May 2015
Starting Radon Level: 7.9
Final Radon Level: 1.5
Sellwood
May 2015
Starting Radon Level: 6.7
Final Radon Level: 1.0
Kenton
May 2015
Starting Radon Level: 8.0
Final Radon Level: 1.0
Rose City Park
May 2015
Starting Radon Level: 7.9
Final Radon Level: 0.4
Mt. Tabor
April 2015
Starting Radon Level: 4.2
Final Radon Level: 1.2
Lake Oswego
April 2015
Starting Radon Level: 4.6
Final Radon Level: 0.5
Vancouver, WA
April 2015
Starting Radon Level: 18.0
Final Radon Level: 2.0
Hosford/Abernethy
April 2015
Starting Radon Level: 5.3
Final Radon Level: 1.6
Mt Tabor
April 2015
Starting Radon Level: 8.8
Final Radon Level: 0.8
Salem
April 2015
Starting Radon Level: 13.8
Final Radon Level: 1.0
Dundee
April 2015
Starting Radon Level: 10.0
Final Radon Level: 0.5
Humboldt
April 2015
Starting Radon Level: 4.0
Final Radon Level: 1.0
Washington County
April 2015
Starting Radon Level: 30.0
Final Radon Level: 0.8
Sellwood
April 2015
Starting Radon Level: 5.5
Final Radon Level: 1.0
Alameda
April 2015
Starting Radon Level: 8.0
Final Radon Level: 0.8
Rose City Park
April 2015
Starting Radon Level: 4.5
Final Radon Level: 0.5
Hazelwood
April 2015
Starting Radon Level: 5.0
Final Radon Level: 0.7
Centennial
March 2015
Starting Radon Level: 4.1
Final Radon Level: 0.5
Vancouver, WA
March 2015
Starting Radon Level: 6.0
Final Radon Level: 1.6
Pleasant Valley
March 2015
Starting Radon Level: 7.0
Final Radon Level: 2.1
Irvington
March 2015
Starting Radon Level: 8.0
Final Radon Level: 2.0
Multnomah County
February 2015
Starting Radon Level: 6.0
Final Radon Level: 0.5
Gresham
February 2015
Starting Radon Level: 7.0
Final Radon Level: 0.4
Kenton
February 2015
Starting Radon Level: 10.0
Final Radon Level: 0.8
North Tabor
February 2015
Starting Radon Level: 12.0
Final Radon Level: 0.6
Southwest Hills
February 2015
Starting Radon Level: 7.5
Final Radon Level: 0.5
Cully
February 2015
Starting Radon Level: 15.0
Final Radon Level: 0.8
Arbor Lodge
February 2015
Starting Radon Level: 14.0
Final Radon Level: 2.3
Richmond
February 2015
Starting Radon Level: 4.9
Final Radon Level: 1.0
Gresham
February 2015
Starting Radon Level: 9.4
Final Radon Level: 0.6
Mill Park
February 2015
Starting Radon Level: 17.1
Final Radon Level: 0.8
Buckman
February 2015
Starting Radon Level: 7.3
Final Radon Level: 2.0
Vancouver, WA
February 2015
Starting Radon Level: 16.0
Final Radon Level: 1.7
Maywood Park
February 2015
Starting Radon Level: 9.9
Final Radon Level: 0.8
Alameda
February 2015
Starting Radon Level: 5.0
Final Radon Level: 0.8
Vancouver, WA
February 2015
Starting Radon Level: 8.0
Final Radon Level: 0.7
University Park
January 2015
Starting Radon Level: 6.0
Final Radon Level: 0.8
Lake Oswego
January 2015
Starting Radon Level: 6.2
Final Radon Level: 1.4
Lents
January 2015
Starting Radon Level: 5.4
Final Radon Level: 1.8
Brentwood/Darlington
December 2014
Starting Radon Level: 4.9
Final Radon Level: 0.8
Rose City Park
December 2014
Starting Radon Level: 4.0
Final Radon Level: 0.5
Salem
December 2014
Starting Radon Level: 10.0
Final Radon Level: 0.6
Beaumount/Wilshire
December 2014
Starting Radon Level: 6.1
Final Radon Level: 0.4
Washington County
December 2014
Starting Radon Level: 10.0
Final Radon Level: 0.6
Washougal
November 2014
Starting Radon Level: 10.0
Final Radon Level: 1.5
Madison South
November 2014
Starting Radon Level: 8.0
Final Radon Level: 0.3
Hayhurst
November 2014
Starting Radon Level: 5.4
Final Radon Level: 0.3
Rose City Park
November 2014
Starting Radon Level: 5.0
Final Radon Level: 0.3
Parkrose
November 2014
Starting Radon Level: 5.0
Final Radon Level: 0.3
King
November 2014
Starting Radon Level: 4.1
Final Radon Level: 0.4
Cully
November 2014
Starting Radon Level: 4.1
Final Radon Level: 0.4
Washington County
November 2014
Starting Radon Level: 4.9
Final Radon Level: 0.5
King
November 2014
Starting Radon Level: 10.8
Final Radon Level: 0.5
Lake Oswego
October 2014
Starting Radon Level: 6.0
Final Radon Level: 0.5
Grant Park
October 2014
Starting Radon Level: 4.5
Final Radon Level: 0.5
Beaverton
October 2014
Starting Radon Level: 4.0
Final Radon Level: 0.5
Sabin
October 2014
Starting Radon Level: 9.0
Final Radon Level: 1.5
Rose City Park
October 2014
Starting Radon Level: 9.6
Final Radon Level: 0.9
Southwest Hills
October 2014
Starting Radon Level: 6.0
Final Radon Level: 2.0
Lents
October 2014
Starting Radon Level: 4.5
Final Radon Level: 0.5
Beaumont/Wilshire
October 2014
Starting Radon Level: 5.8
Final Radon Level: 1.6
Alameda
October 2014
Starting Radon Level: 5.5
Final Radon Level: 1.0
Mt Tabor
October 2014
Starting Radon Level: 13.0
Final Radon Level: 0.9
Alameda
October 2014
Starting Radon Level: 7.0
Final Radon Level: 1.0
Rose City Park
September 2014
Starting Radon Level: 20.0
Final Radon Level: 0.7
Kerns
September 2014
Starting Radon Level: 14.0
Final Radon Level: 2.1
Sabin
September 2014
Starting Radon Level: 8.0
Final Radon Level: 0.4
Buckman
September 2014
Starting Radon Level: 5.5
Final Radon Level: 2.0
West Linn
September 2014
Starting Radon Level: 5.0
Final Radon Level: 0.6
Creston/Kenilworth
September 2014
Starting Radon Level: 6.0
Final Radon Level: 1.0
Washington County
September 2014
Starting Radon Level: 82.0
Final Radon Level: 1.0
Gresham
September 2014
Starting Radon Level: 5.3
Final Radon Level: 1.5
Hollywood
September 2014
Starting Radon Level: 4.3
Final Radon Level: 0.9
Rose City Park
September 2014
Starting Radon Level: 4.5
Final Radon Level: 0.5
Clackamas County
August 2014
Starting Radon Level: 14.0
Final Radon Level: 1.0
Sellwood
August 2014
Starting Radon Level: 5.0
Final Radon Level: 0.7
Arbor Lodge
August 2014
Starting Radon Level: 7.0
Final Radon Level: 0.3
Concordia
August 2014
Starting Radon Level: 10.0
Final Radon Level: 1.0
Cully
August 2014
Starting Radon Level: 5.1
Final Radon Level: 2.2
Beaumont/Wilshire
August 2014
Starting Radon Level: 4.8
Final Radon Level: 1.2
Wilkes
August 2014
Starting Radon Level: 4.6
Final Radon Level: 0.7
Washington County
August 2014
Starting Radon Level: 4.6
Final Radon Level: 1.9
Washington County
August 2014
Starting Radon Level: 7.7
Final Radon Level: 2.3
Pedmont
August 2014
Starting Radon Level: 7.0
Final Radon Level: 0.2
Foster/Powell
August 2014
Starting Radon Level: 6.0
Final Radon Level: 0.7
Sellwood
August 2014
Starting Radon Level: 15.0
Final Radon Level: 3.1
Overlook
July 2014
Starting Radon Level: 6.3
Final Radon Level: 1.0
Kenton
July 2014
Starting Radon Level: 10.3
Final Radon Level: 1.0
Humboldt
July 2014
Starting Radon Level: 4.7
Final Radon Level: 0.3
Hazelwood
July 2014
Starting Radon Level: 11.9
Final Radon Level: 0.8
Boise
July 2014
Starting Radon Level: 8.0
Final Radon Level: 0.8
Piedmont
July 2014
Starting Radon Level: 8.3
Final Radon Level: 0.6
Montavilla
July 2014
Starting Radon Level: 8.1
Final Radon Level: 0.5
St Johns
July 2014
Starting Radon Level: 5.7
Final Radon Level: 1.3
Kenton
July 2014
Starting Radon Level: 6.2
Final Radon Level: 2.0
Lake Oswego
July 2014
Starting Radon Level: 12.0
Final Radon Level: 1.1
Washington County
July 2014
Starting Radon Level: 35.0
Final Radon Level: 0.8
Piedmont
July 2014
Starting Radon Level: 12.0
Final Radon Level: 1.0
North Tabor
July 2014
Starting Radon Level: 6.3
Final Radon Level: 0.6
Mt. Scott/Arleta
June 2014
Starting Radon Level: 10.7
Final Radon Level: 1.0
Multnomah County
June 2014
Starting Radon Level: 5.0
Final Radon Level: 0.4
Portsmouth
June 2014
Starting Radon Level: 5.0
Final Radon Level: 0.3
Hillsdale
June 2014
Starting Radon Level: 7.5
Final Radon Level: 2.9
Madison South
June 2014
Starting Radon Level: 12.0
Final Radon Level: 1.2
Clackamas County
June 2014
Starting Radon Level: 7.0
Final Radon Level: 0.3
Humbolt
June 2014
Starting Radon Level: 6.5
Final Radon Level: 0.3
Creston/Kenilworth
June 2014
Starting Radon Level: 6.0
Final Radon Level: 2.8
Hillsboro, OR
June 2014
Starting Radon Level: 10.0
Final Radon Level: 1.7
Humbolt
June 2014
Starting Radon Level: 9.3
Final Radon Level: 2.0
University Park
June 2014
Starting Radon Level: 5.0
Final Radon Level: 0.5
Rose City Park
June 2014
Starting Radon Level: 5.3
Final Radon Level: 0.3
Happy Valley, OR
June 2014
Starting Radon Level: 5.6
Final Radon Level: 2.6
Clackamas County
June 2014
Starting Radon Level: 6.1
Final Radon Level: 2.8
Eliot
May 2014
Starting Radon Level: 14.0
Final Radon Level: 0.5
Parkrose Heights
May 2014
Starting Radon Level: 19.9
Final Radon Level: 0.9
Rose City Park
May 2014
Starting Radon Level: 12.0
Final Radon Level: 0.3
Montavilla
May 2014
Starting Radon Level: 4.4
Final Radon Level: 0.5
Cully
May 2014
Starting Radon Level: 6.0
Final Radon Level: 0.3
Overlook
May 2014
Starting Radon Level: 5.0
Final Radon Level: 1.0
Newberg, OR
April 2014
Starting Radon Level: 17.9
Final Radon Level: 1.0
Ardenwald/Johnson Creek
April 2014
Starting Radon Level: 5.4
Final Radon Level: 1.9
Beaumont/Wilshire
April 2014
Starting Radon Level: 6.5
Final Radon Level: 0.5
Rose City Park
April 2014
Starting Radon Level: 10.9
Final Radon Level: 0.5
Woodlawn
April 2014
Starting Radon Level: 5.6
Final Radon Level: 0.9
Oregon City, OR
April 2014
Starting Radon Level: 7.2
Final Radon Level: 0.4
Arbor Lodge
April 2014
Starting Radon Level: 4.4
Final Radon Level: 0.9
St. Johns
April 2014
Starting Radon Level: 8.7
Final Radon Level: 0.3
Clackamas County
April 2014
Starting Radon Level: 6.0
Final Radon Level: 0.3
St. Johns
April 2014
Starting Radon Level: 6.4
Final Radon Level: 0.8
Hillside
April 2014
Starting Radon Level: 9.1
Final Radon Level: 0.5
Glanfair
April 2014
Starting Radon Level: 6.9
Final Radon Level: 1.4
Washington County
April 2014
Starting Radon Level: 8.6
Final Radon Level: 0.7
Brooklyn Action Corps
April 2014
Starting Radon Level: 4.0
Final Radon Level: 1.0
Eastmoreland
March 2014
Starting Radon Level: 8.0
Final Radon Level: 3.2
Camas, WA
March 2014
Starting Radon Level: 32.7
Final Radon Level: 1.7
King
March 2014
Starting Radon Level: 10.0
Final Radon Level: 1.8
Concordia
March 2014
Starting Radon Level: 16.0
Final Radon Level: 1.5
Clackamas County
March 2014
Starting Radon Level: 8.7
Final Radon Level: 0.7
Richmond
March 2014
Starting Radon Level: 6.0
Final Radon Level: 1.3
Richmond
March 2014
Starting Radon Level: 7.3
Final Radon Level: 1.0
Kenton
March 2014
Starting Radon Level: 30.0
Final Radon Level: 0.5
Irvington
March 2014
Starting Radon Level: 7.4
Final Radon Level: 0.2
Salem, OR
February 2014
Starting Radon Level: 6.0
Final Radon Level: 0.6
Sellwood
February 2014
Starting Radon Level: 4.9
Final Radon Level: 1.0
Powell
February 2014
Starting Radon Level: 5.0
Final Radon Level: 1.5
Alameda
February 2014
Starting Radon Level: 13.0
Final Radon Level: 0.4
Montvilla
February 2014
Starting Radon Level: 5.7
Final Radon Level: 0.4
Sellwood
February 2014
Starting Radon Level: 5.4
Final Radon Level: 0.4
Eastmoreland
February 2014
Starting Radon Level: 4.5
Final Radon Level: 1.2
Cully
February 2014
Starting Radon Level: 8.3
Final Radon Level: 3.5
Piedmont
February 2014
Starting Radon Level: 4.7
Final Radon Level: 2.0
Mt. Scott/Arleta
February 2014
Starting Radon Level: 8.0
Final Radon Level: 2.2
Powellhurst/Gilbert
February 2014
Starting Radon Level: 11.6
Final Radon Level: 0.4
Mt. Scott/Arleta
February 2014
Starting Radon Level: 8.8
Final Radon Level: 0.5
Lents
February 2014
Starting Radon Level: 8.3
Final Radon Level: 2.2
Lents
February 2014
Starting Radon Level: 8.3
Final Radon Level: 2.2
Beaumont/Wilshire
February 2014
Starting Radon Level: 8.0
Final Radon Level: 1.0
St. Johns
February 2014
Starting Radon Level: 5.7
Final Radon Level: 1.3
Hillsboro, OR
January 2014
Starting Radon Level: 4.0
Final Radon Level: 0.9
Rose City Park
January 2014
Starting Radon Level: 10.0
Final Radon Level: 0.2
Milwaukie, OR
January 2013
Starting Radon Level: 7.0
Final Radon Level: 0.9
Rose City Park
January 2013
Starting Radon Level: 8.0
Final Radon Level: 2.8
Brentwood/Darlington
January 2014
Starting Radon Level: 4.6
Final Radon Level: 0.7
Linnton
January 2013
Starting Radon Level: 5.8
Final Radon Level: 1.0
Sellwood
January 2014
Starting Radon Level: 5.8
Final Radon Level: 1.0
Sabin
January 2013
Starting Radon Level: 9.0
Final Radon Level: 3.1
Arbor Lodge
January 2013
Starting Radon Level: 8.0
Final Radon Level: 2.1
Arbor Lodge
January 2014
Starting Radon Level: 8.0
Final Radon Level: 2.1
St. Johns
January 2013
Starting Radon Level: 5.5
Final Radon Level: 1.7
Piedmont
January 2014
Starting Radon Level: 24.0
Final Radon Level: 2.9
Irvington
January 2014
Starting Radon Level: 6.0
Final Radon Level: 1.2
Tualatin, OR
January 2014
Starting Radon Level: 8.0
Final Radon Level: 0.5
Reed
December 2013
Starting Radon Level: 8.1
Final Radon Level: 0.7
Concordia
December 2013
Starting Radon Level: 20.0
Final Radon Level: 0.8
Roseway
December 2013
Starting Radon Level: 16.0
Final Radon Level: 0.8
Richmond
December 2013
Starting Radon Level: 4.2
Final Radon Level: 2.3
Southwest Hills
December 2013
Starting Radon Level: 3.2
Final Radon Level: 1.1
Corvalis, OR
December 2013
Starting Radon Level: 5.0
Final Radon Level: 1.0
Brentwood/Darlington
December 2013
Starting Radon Level: 8.5
Final Radon Level: 1.6
Montavilla
December 2013
Starting Radon Level: 9.4
Final Radon Level: 1.4
Cathedral Park
December 2013
Starting Radon Level: 4.3
Final Radon Level: 1.0
Woodlawn
December 2013
Starting Radon Level: 4.3
Final Radon Level: 0.8
Beaumont/Wilshire
December 2013
Starting Radon Level: 16.0
Final Radon Level: 1.0
Foster/Powell
December 2013
Starting Radon Level: 6.0
Final Radon Level: 1.0
Lents
December 2013
Starting Radon Level: 11.1
Final Radon Level: 1.4
Forest Grove, OR
December 2013
Starting Radon Level: 5.0
Final Radon Level: 1.0
Rose City Park
December 2013
Starting Radon Level: 8.2
Final Radon Level: 1.5
Rose City Park
December 2013
Starting Radon Level: 6.5
Final Radon Level: 0.9
Beaverton, OR
December 2013
Starting Radon Level: 4.6
Final Radon Level: 0.9
Hollywood
November 2013
Starting Radon Level: 9.2
Final Radon Level: 2.5
Sabin/Irvington
November 2013
Starting Radon Level: 7.0
Final Radon Level: 3.5
Benton County
November 2013
Starting Radon Level: 6.0
Final Radon Level: 0.5
Woodstock
November 2013
Starting Radon Level: 19.1
Final Radon Level: 3.2
Lake Oswego, OR
November 2013
Starting Radon Level: 5.2
Final Radon Level: 2.5
Ashcreek
November 2013
Starting Radon Level: 5.5
Final Radon Level: 2.5
Woodstock
October 2013
Starting Radon Level: 6.8
Final Radon Level: 2.0
Parkrose
November 2013
Starting Radon Level: 5.0
Final Radon Level: 0.4
Astoria, OR
November 2013
Starting Radon Level: 18.0
Final Radon Level: 2.0
Hillside
November 2013
Starting Radon Level: 4.5
Final Radon Level: 3.0
Sellwood
October 2013
Starting Radon Level: 6.8
Final Radon Level: 2.7
Hazelwood
October 2013
Starting Radon Level: 4.4
Final Radon Level: 0.9
Lents
October 2013
Starting Radon Level: 8.3
Final Radon Level: 2.1
Roseway
October 2013
Starting Radon Level: 6.0
Final Radon Level: 2.0
Concordia
October 2013
Starting Radon Level: 3.6
Final Radon Level: 0.4
Arbor Lodge
October 2013
Starting Radon Level: 4.0
Final Radon Level: 1.0
Eastmoreland
October 2013
Starting Radon Level: 5.0
Final Radon Level: 1.2
St. Johns
October 2013
Starting Radon Level: 7.0
Final Radon Level: 0.6
Lake Oswego, OR
October 2013
Starting Radon Level: 3.9
Final Radon Level: 1.0
Mill Park
October 2013
Starting Radon Level: 11.5
Final Radon Level: 1.5
Foster/Powell
October 2013
Starting Radon Level: 8.0
Final Radon Level: 0.7
Vernon
October 2013
Starting Radon Level: 9.5
Final Radon Level: 1.0
Kenton
October 2013
Starting Radon Level: 4.6
Final Radon Level: 0.7
Foster/Powell
October 2013
Starting Radon Level: 3.3
Final Radon Level: 1.0
Humbolt
October 2013
Starting Radon Level: 5.9
Final Radon Level: 0.8
Roseway
October 2013
Starting Radon Level: 4.0
Final Radon Level: 0.7
Montavilla
October 2013
Starting Radon Level: 16.0
Final Radon Level: 0.7
Washington County
October 2013
Starting Radon Level: 8.0
Final Radon Level: 0.7
Roseway
September 2013
Starting Radon Level: 12.0
Final Radon Level: 1.0
Roseway
September 2013
Starting Radon Level: 18.6
Final Radon Level: 0.8
Washington County
September 2013
Starting Radon Level: 4.1
Final Radon Level: 1.6
Hosford/Abernethy
September 2013
Starting Radon Level: 8.0
Final Radon Level: 0.3
West Linn, OR
September 2013
Starting Radon Level: 8.0
Final Radon Level: 0.4
Alameda
September 2013
Starting Radon Level: 4.3
Final Radon Level: 0.5
Gresham, OR
September 2013
Starting Radon Level: 4.8
Final Radon Level: 0.9
Beaumont/Wilshire
August 2013
Starting Radon Level: 8.5
Final Radon Level: 2.0
Parkrose Heights
August 2013
Starting Radon Level: 16.7
Final Radon Level: 0.5
Kenton
August 2013
Starting Radon Level: 8.5
Final Radon Level: 1.0
Richmond
August 2013
Starting Radon Level: 8.0
Final Radon Level: 1.0
Sabin
August 2016
Starting Radon Level: 5.0
Final Radon Level: 0.4
Lake Oswego, OR
August 2013
Starting Radon Level: 12.9
Final Radon Level: 0.8
Piedmont
August 2013
Starting Radon Level: 5.7
Final Radon Level: 0.8
Concordia
August 2013
Starting Radon Level: 8.7
Final Radon Level: 1.5
Montavilla
August 2013
Starting Radon Level: 6.0
Final Radon Level: 0.3
Lents
August 2013
Starting Radon Level: 6.0
Final Radon Level: 0.3
Hosford/Abernethy
August 2013
Starting Radon Level: 21.4
Final Radon Level: 3.6
Portsmouth
August 2013
Starting Radon Level: 15.0
Final Radon Level: 1.1
Mill Park
August 2013
Starting Radon Level: 8.0
Final Radon Level: 1.3
Boise
August 2013
Starting Radon Level: 5.2
Final Radon Level: 1.0
Irvington
August 2013
Starting Radon Level: 7.0
Final Radon Level: 1.0
Rose City Park
August 2013
Starting Radon Level: 5.0
Final Radon Level: 0.8
Eastmoreland
August 2013
Starting Radon Level: 8.0
Final Radon Level: 1.1
Hayhurst
July 2013
Starting Radon Level: 4.2
Final Radon Level: 0.3
Marion County
July 2013
Starting Radon Level: 30.0
Final Radon Level: 2.0
Overlook
July 2013
Starting Radon Level: 8.0
Final Radon Level: 0.7
Beaumont/Wilshire
July 2013
Starting Radon Level: 24.0
Final Radon Level: 1.3
Irvington
July 2013
Starting Radon Level: 4.7
Final Radon Level: 1.0
Centennial
July 2013
Starting Radon Level: 21.0
Final Radon Level: 1.4
Piedmont
July 2013
Starting Radon Level: 6.0
Final Radon Level: 1.7
Piedmont
July 2013
Starting Radon Level: 6.0
Final Radon Level: 1.7
Madison South
July 2013
Starting Radon Level: 4.4
Final Radon Level: 0.6
Hazelwood
July 2013
Starting Radon Level: 7.7
Final Radon Level: 1.1
Sullivan's Gulch
July 2013
Starting Radon Level: 7.6
Final Radon Level: 0.9
Salem, OR
July 2013
Starting Radon Level: 45.0
Final Radon Level: 0.5
Rose City Park
July 2013
Starting Radon Level: 10.0
Final Radon Level: 1.0
Gresham, OR
July 2013
Starting Radon Level: 15.2
Final Radon Level: 1.3
Concordia
July 2013
Starting Radon Level: 25.0
Final Radon Level: 1.0
Reed
June 2013
Starting Radon Level: 7.9
Final Radon Level: 1.2
Sellwood
June 2013
Starting Radon Level: 6.6
Final Radon Level: 2.0
Rose City Park
June 2013
Starting Radon Level: 5.0
Final Radon Level: 0.7
Roseway
June 2013
Starting Radon Level: 10.0
Final Radon Level: 0.7
Mt Tabor
June 2013
Starting Radon Level: 18.0
Final Radon Level: 1.0
Kerns
May 2013
Starting Radon Level: 6.0
Final Radon Level: 1.2
Eastmoreland
May 2013
Starting Radon Level: 10.0
Final Radon Level: 1.5
Corvalis, OR
May 2013
Starting Radon Level: 4.6
Final Radon Level: 0.5
Arbor Lodge
May 2013
Starting Radon Level: 6.0
Final Radon Level: 0.6
Arbor Lodge
May 2013
Starting Radon Level: 6.0
Final Radon Level: 0.6
Parkrose
May 2013
Starting Radon Level: 11.6
Final Radon Level: 0.9
Roseway
May 2013
Starting Radon Level: 11.0
Final Radon Level: 1.3
Alameda
May 2013
Starting Radon Level: 7.0
Final Radon Level: 0.9
Portsmouth
April 2013
Starting Radon Level: 10.0
Final Radon Level: 1.0
Sabin
April 2013
Starting Radon Level: 10.0
Final Radon Level: 3.6
Overlook
April 2013
Starting Radon Level: 9.0
Final Radon Level: 1.4
St Johns
April 2013
Starting Radon Level: 8.0
Final Radon Level: 0.9
Washington County
April 2013
Starting Radon Level: 8.0
Final Radon Level: 1.0
Washington County
April 2013
Starting Radon Level: 33.0
Final Radon Level: 0.8
Arbor Lodge
April 2013
Starting Radon Level: 12.0
Final Radon Level: 0.5
Montavilla
April 2013
Starting Radon Level: 4.7
Final Radon Level: 0.5
Mt Scott/Arleta
March 2013
Starting Radon Level: 32.8
Final Radon Level: 0.7
Sherwood, OR
March 2013
Starting Radon Level: 20.0
Final Radon Level: 1.0
Roseway
March 2013
Starting Radon Level: 17.0
Final Radon Level: 1.4
University Park
March 2013
Starting Radon Level: 8.0
Final Radon Level: 0.5
Lake Oswego, OR
March 2013
Starting Radon Level: 6.0
Final Radon Level: 0.8
Rose City Park
March 2013
Starting Radon Level: 7.8
Final Radon Level: 1.0
Piedmont
March 2013
Starting Radon Level: 14.0
Final Radon Level: 0.4
Montavilla
March 2013
Starting Radon Level: 5.2
Final Radon Level: 1.7
Piedmont
March 2013
Starting Radon Level: 7.2
Final Radon Level: 0.6
Gladstone
March 2013
Starting Radon Level: 4.1
Final Radon Level: 0.7
Washington County
March 2013
Starting Radon Level: 7.6
Final Radon Level: 0.5
Madison South
March 2013
Starting Radon Level: 6.6
Final Radon Level: 0.5
West Linn, OR
March 2013
Starting Radon Level: 5.9
Final Radon Level: 0.5
Roseway
February 2013
Starting Radon Level: 4.7
Final Radon Level: 1.2
Mt Scott/Arleta
February 2013
Starting Radon Level: 7.3
Final Radon Level: 1.5
Beaumont/Wilshire
February 2013
Starting Radon Level: 48.0
Final Radon Level: 2.8
Rose City Park
February 2013
Starting Radon Level: 14.0
Final Radon Level: 0.4
Lake Oswego, OR
February 2013
Starting Radon Level: 6.5
Final Radon Level: 2.9
Northwest District
February 2013
Starting Radon Level: 4.0
Final Radon Level: 0.4
Kenton
February 2013
Starting Radon Level: 7.3
Final Radon Level: 1.9
Cathedral Park
February 2013
Starting Radon Level: 5.1
Final Radon Level: 1.7
Kenton
February 2013
Starting Radon Level: 16.0
Final Radon Level: 2.0
Woodstock
February 2013
Starting Radon Level: 6.0
Final Radon Level: 2.6
Parkrose Heights
February 2013
Starting Radon Level: 13.0
Final Radon Level: 0.5
Piedmont
February 2013
Starting Radon Level: 5.7
Final Radon Level: 1.4
Beaumont/Wilshire
January 2013
Starting Radon Level: 22.0
Final Radon Level: 0.5
Rose City Park
January 2013
Starting Radon Level: 4.8
Final Radon Level: 0.5
Rose City Park
January 2013
Starting Radon Level: 6.9
Final Radon Level: 2.2
Sellwood
January 2013
Starting Radon Level: 3.9
Final Radon Level: 2.2
Sellwood
January 2013
Starting Radon Level: 8.5
Final Radon Level: 2.4
Concordia
2016
Starting Radon Level: 4.4
Final Radon Level: 0.3
Alameda
January 2013
Starting Radon Level: 5.3
Final Radon Level: 1.3
Hosford/Abernethy
January 2013
Starting Radon Level: 6.2
Final Radon Level: 1.0
Beaumont/Wilshire
January 2013
Starting Radon Level: 9.2
Final Radon Level: 2.6
Bridlemile
January 2013
Starting Radon Level: 8.0
Final Radon Level: 0.4
Rose City Park
January 2013
Starting Radon Level: 4.0
Final Radon Level: 0.8
Mill Park
January 2013
Starting Radon Level: 40.0
Final Radon Level: 1.1
Sellwood
December 2012
Starting Radon Level: 5.9
Final Radon Level: 1.2
St Johns
December 2012
Starting Radon Level: 4.1
Final Radon Level: 0.7
Irvington
December 2012
Starting Radon Level: 5.0
Final Radon Level: 0.4
King
December 2012
Starting Radon Level: 4.7
Final Radon Level: 1.2
Beaverton, OR
December 2012
Starting Radon Level: 3.9
Final Radon Level: 1.4
Eastmoreland
December 2012
Starting Radon Level: 5.0
Final Radon Level: 1.0
South Tabor
December 2012
Starting Radon Level: 5.1
Final Radon Level: 3.2
Corvallis, OR
December 2012
Starting Radon Level: 5.0
Final Radon Level: 0.8
Irvington
December 2012
Starting Radon Level: 5.8
Final Radon Level: 0.8
Buckman
November 2012
Starting Radon Level: 5.0
Final Radon Level: 1.2
Creston/Kenilworth
November 2012
Starting Radon Level: 6.3
Final Radon Level: 1.1
Richmond
November 2012
Starting Radon Level: 5.5
Final Radon Level: 1.5
Vernon
November 2012
Starting Radon Level: 17.0
Final Radon Level: 1.5
Beaumont/Wilshire
November 2012
Starting Radon Level: 8.2
Final Radon Level: 1.0
Washington County
November 2012
Starting Radon Level: 4.5
Final Radon Level: 1.5
Arbor Lodge
November 2012
Starting Radon Level: 8.8
Final Radon Level: 0.4
Rose City Park
November 2012
Starting Radon Level: 4.0
Final Radon Level: 1.3
Concordia
November 2012
Starting Radon Level: 4.0
Final Radon Level: 0.7
Beaverton, OR
November 2012
Starting Radon Level: 5.2
Final Radon Level: 1.6
Montavilla
November 2012
Starting Radon Level: 10.6
Final Radon Level: 1.4
Roseway
November 2012
Starting Radon Level: 20.9
Final Radon Level: 1.5
Sabin
November 2012
Starting Radon Level: 4.9
Final Radon Level: 3.0
Hillsdale
November 2012
Starting Radon Level: 6.7
Final Radon Level: 1.6
Alameda
October 2012
Starting Radon Level: 7.0
Final Radon Level: 0.3
Milwaukie, OR
October 2012
Starting Radon Level: 5.4
Final Radon Level: 0.9
Beaumont/Wishire
October 2012
Starting Radon Level: 10.8
Final Radon Level: 0.5
Richmond
October 2012
Starting Radon Level: 12.5
Final Radon Level: 1.0
Woodlawn
October 2012
Starting Radon Level: 5.2
Final Radon Level: 2.0
Cully
October 2012
Starting Radon Level: 14.4
Final Radon Level: 3.8
Arbor Lodge
October 2012
Starting Radon Level: 11.0
Final Radon Level: 0.7
Grant Park
October 2012
Starting Radon Level: 5.7
Final Radon Level: 1.0
Grant Park
October 2012
Starting Radon Level: 4.9
Final Radon Level: 2.5
Rose City Park
October 2012
Starting Radon Level: 18.2
Final Radon Level: 0.6
Creston/Kenilworth
October 2012
Starting Radon Level: 6.4
Final Radon Level: 0.6
Mt Tabor
October 2012
Starting Radon Level: 5.0
Final Radon Level: 1.0
Richmond
October 2012
Starting Radon Level: 7.4
Final Radon Level: 1.4
Beaumont/Wilshire
September 2012
Starting Radon Level: 4.3
Final Radon Level: 0.5
Cully
September 2012
Starting Radon Level: 6.1
Final Radon Level: 2.1
West Linn, OR
September 2012
Starting Radon Level: 5.6
Final Radon Level: 1.2
Concordia
September 2012
Starting Radon Level: 8.7
Final Radon Level: 0.5
Brentwood/Darlington
September 2012
Starting Radon Level: 6.0
Final Radon Level: 1.0
Rose City Park
September 2012
Starting Radon Level: 4.6
Final Radon Level: 2.5
South Tabor
September 2012
Starting Radon Level: 10.3
Final Radon Level: 1.2
Kenton
September 2012
Starting Radon Level: 14.0
Final Radon Level: 0.5
Sabin
September 2012
Starting Radon Level: 8.0
Final Radon Level: 0.4
Alameda
September 2012
Starting Radon Level: 9.5
Final Radon Level: 0.5
Kenton
August 2012
Starting Radon Level: 10.0
Final Radon Level: 0.4
Clackamas County
August 2012
Starting Radon Level: 6.4
Final Radon Level: 1.0
Cully
August 2012
Starting Radon Level: 4.3
Final Radon Level: 0.4
Maplewood
August 2012
Starting Radon Level: 5.0
Final Radon Level: 0.5
Sabin
August 2012
Starting Radon Level: 12.0
Final Radon Level: 1.3
Maplewood
August 2012
Starting Radon Level: 9.0
Final Radon Level: 0.5
Washington County
August 2012
Starting Radon Level: 4.6
Final Radon Level: 0.7
Washington County
August 2012
Starting Radon Level: 6.1
Final Radon Level: 2.2
Roseway
August 2012
Starting Radon Level: 8.0
Final Radon Level: 0.5
Woodlawn
August 2012
Starting Radon Level: 5.5
Final Radon Level: 1.0
Concordia
August 2012
Starting Radon Level: 3.4
Final Radon Level: 0.5
University PArk
August 2012
Starting Radon Level: 8.0
Final Radon Level: 3.3
Washington County
July 2012
Starting Radon Level: 9.4
Final Radon Level: 0.5
Woodstock
July 2012
Starting Radon Level: 4.6
Final Radon Level: 1.5
Sellwood
July 2012
Starting Radon Level: 10.0
Final Radon Level: 2.6
Washington County
July 2012
Starting Radon Level: 5.2
Final Radon Level: 0.4
Eliot
July 2012
Starting Radon Level: 6.0
Final Radon Level: 2.1
Roseway
July 2012
Starting Radon Level: 11.4
Final Radon Level: 0.5
Salem
July 2012
Starting Radon Level: 6.0
Final Radon Level: 1.3
Overlook
July 2012
Starting Radon Level: 10.3
Final Radon Level: 0.6
Damascus
June 2016
Starting Radon Level: 5.4
Final Radon Level: 0.6
Mt Tabor
June 2012
Starting Radon Level: 5.5
Final Radon Level: 2.4
Gresham
June 2012
Starting Radon Level: 7.8
Final Radon Level: 2.5
Woodlawn
June 2012
Starting Radon Level: 4.9
Final Radon Level: 1.6
Foster/Powell
June 2012
Starting Radon Level: 9.0
Final Radon Level: 0.5
Montavilla
June 2012
Starting Radon Level: 12.4
Final Radon Level: 1.9
Alameda
June 2012
Starting Radon Level: 6.2
Final Radon Level: 0.8
Arbor Lodge
June 2012
Starting Radon Level: 5.8
Final Radon Level: 1.0
Piedmont
June 2012
Starting Radon Level: 9.1
Final Radon Level: 1.3
Hosfprd/Abernethy
June 2012
Starting Radon Level: 7.8
Final Radon Level: 0.2
Sabin
June 2012
Starting Radon Level: 12.9
Final Radon Level: 0.6
Vernon
June 2012
Starting Radon Level: 5.5
Final Radon Level: 0.9
Alameda
June 2012
Starting Radon Level: 10.2
Final Radon Level: 0.3
Damascus
June 2012
Starting Radon Level: 8.4
Final Radon Level: 0.5
King
June 2012
Starting Radon Level: 12.0
Final Radon Level: 0.6
King
June 2012
Starting Radon Level: 10.5
Final Radon Level: 0.3
Creston/Kenilworth
May 2012
Starting Radon Level: 6.5
Final Radon Level: 0.8
Montavilla
May 2012
Starting Radon Level: 8.5
Final Radon Level: 0.8
Sunnyside
May 2012
Starting Radon Level: 6.3
Final Radon Level: 0.9
Beaumont/Wilshire
May 2012
Starting Radon Level: 8.3
Final Radon Level: 0.3
Kenton
May 2012
Starting Radon Level: 7.1
Final Radon Level: 2.4
Laurelhurst
May 2012
Starting Radon Level: 7.5
Final Radon Level: 1.3
Grant Park
May 2012
Starting Radon Level: 7.3
Final Radon Level: 0.4
Corvallis, OR
May 2012
Starting Radon Level: 5.2
Final Radon Level: 0.5
Portsmouth
May 2012
Starting Radon Level: 11.3
Final Radon Level: 0.8
Madison
May 2012
Starting Radon Level: 22.4
Final Radon Level: 0.8
Beaumont/Wilshire
May 2012
Starting Radon Level: 7.6
Final Radon Level: 0.6