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  2. Radon mitigation - Wikipedia

    en.wikipedia.org/wiki/Radon_mitigation

    A typical radon test kit Fluctuation of ambient air radon concentration over one week, measured in a laboratory. The first step in mitigation is testing. No level of radiation is considered completely safe, but as it cannot be eliminated, governments around the world have set various action levels to provide guidance on when radon concentrations should be reduced.

  3. Health effects of radon - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_radon

    There are relatively simple tests for radon gas. Radon test kits are commercially available. The short-term radon test kits used for screening purposes are inexpensive, in many cases free. In the United States, discounted test kits can be purchased online through The National Radon Program Services at Kansas State University or through state ...

  4. Radon - Wikipedia

    en.wikipedia.org/wiki/Radon

    Short-term radon test devices used for initial screening purposes are inexpensive, in some cases free. There are important protocols for taking short-term radon tests and it is imperative that they be strictly followed. The kit includes a collector that the user hangs in the lowest habitable floor of the house for two to seven days.

  5. Montana - Wikipedia

    en.wikipedia.org/wiki/Montana

    Montana (/ m ɒ n ˈ t æ n ə / ⓘ mon-TAN-ə) [7] is a landlocked state in the Mountain West subregion of the Western United States.It borders Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, and the Canadian provinces of Alberta, British Columbia, and Saskatchewan to the north.

  6. Radium and radon in the environment - Wikipedia

    en.wikipedia.org/wiki/Radium_and_radon_in_the...

    Residues from the oil and gas industry often contain radium and its daughters. The sulfate scale from an oil well can be very radium rich. The water inside an oil field is often very rich in strontium, barium and radium, while seawater is very rich in sulfate: so if water from an oil well is discharged into the sea or mixed with seawater, the radium is likely to be brought out of solution by ...

  7. Missouri Headwaters State Park - Wikipedia

    en.wikipedia.org/wiki/Missouri_Headwaters_State_Park

    Missouri Headwaters State Park is a public recreation area occupying 535 acres (217 ha) at the site of the official start of the Missouri River. The park offers camping, hiking trails, hunting, and water-related activities. It is located on Trident Road northeast of Three Forks, Montana at an elevation of 4,045 feet (1,233 m). [2]

  8. UL Bend National Wildlife Refuge - Wikipedia

    en.wikipedia.org/wiki/UL_Bend_National_Wildlife...

    UL Bend National Wildlife Refuge is a 56,048 acres (22,682 ha) protected area that is located in central Montana, United States.The refuge, located at the extreme southernmost tip of Phillips County, is managed and bordered on three sides by the Charles M. Russell National Wildlife Refuge and the Fort Peck Reservoir on the Missouri River.

  9. Gallatin River - Wikipedia

    en.wikipedia.org/wiki/Gallatin_River

    Lower Gallatin River near Manhattan, Montana in late February / early March Gallatin River in full spring runoff flood near I-90 June 2008. The Gallatin River is a tributary of the Missouri River, approximately 120 mi (193 km) long, in the U.S. states of Wyoming and Montana.