ND
Radon Test Kits in Cass County, ND
Cass County does not have a local kit counter in this directory. North Dakota DEQ is out of free kits. Order the short-term kit from National Radon Program Services for $20, or use the American Lung Association store. That store lists an AirCheck short-term kit at $18 and a long-term kit at $38, including shipping. It does not sell these kits to New Jersey.
We checked this on October 1, 2026. Confirm the official page before you travel. Prices and stock change.
Where to get a kit
North Dakota free radon kits
North Dakota DEQ says it is out of free radon test kits and points you to EPA-approved kits from stores or online.
Do not use the old free-kit form.
Kansas State University mail-in kit: $20
Mail-in lab kit, lab fee included. Mail it back within 10 days.
Or call 1-800-767-7236.
American Lung Association radon test kit store: $18
Short-term kit $18, long-term $38. Not sold in New Jersey.
One test, or keep watching
One test: $20
Kansas State University mail-in lab kit, 2 to 4 days, all costs included. Good for a first look. One test is a snapshot, not a pattern.
Checked October 1, 2026.
Keep watching: Airthings Corentium Home 2, $179.99
New readings every day for as long as you own it. Good if you want to know, not guess. Price checked October 1, 2026.
If you buy through our Airthings link, we may earn a commission. You don't pay extra. Add your name and shipping, then enter ARS10-10OFF. The link does not apply the code by itself.