What is radon?radon testing kit

Radon is a radioactive gas occurring naturally as a decay product of radium. As it decays, radon produces new radioactive components called radon daughters or decay products. Radon and radon daughters cannot be recognized by human feelings because they are colorless, odorless, and tasteless.

Where does radon come from?

Radon arises in the ground and can be located in soil and rocks. As with any gas, radon disperses as it flows along the way of least resistance to the surface of the ground before accessing the atmosphere. Once it enters the atmosphere, radon becomes weakened in the outdoor air and concentrations are so mean that it is of secondary concern.

Radon can also move into any air space, such as basements, crawl areas, or caverns. Once inside an enclosed place, such as a home, radon can accumulate. For this reason, indoor concentrations are normally higher than those obtained outdoors. Houses with limited air exchange because of changes to prevent heat loss will usually have higher indoor radon levels than draftier houses.

How does radon get into homes?

Radon passes through tiny spaces in the soil and rock on which a house is built and can flow into a home through dirt floors, floor drains, sump pits, joints, or tiny cracks and pores in hollow-block walls. As a result, radon collections point to be higher in the lower levels of a home, such as a basement.

Radon can dissolve in fresh water and add to airborne radon in homes when released within running water. Investigations show that very few public groundwater groceries contain enough radon to be a meaningful source of radon in homes. There is very few radon in surface water supplies because the water is exposed to outdoor air, thus reducing the radon concentrations.

Is radon harmful indoors?radon is harmful

When radon experiences a radioactive crack up, it turns into other radioactive elements called radon daughters. Radon daughters are masses, not gasses, and stick to surfaces such as dust particles in the air. If polluted dust is inhaled, these particles can adhere to the airways of the lung. As these radioactive dirt particles split down further, they release tiny bursts of energy which can harm lung tissue and accordingly increase the risk of developing lung cancer. In general, the risk rises as the level of radon and the length of exposure increases.

Radon itself is chemically stable and a breathed radon atom is very likely to be exhaled before it collapses. Thus, the main health risk from radon is exposure to its decay products.

What can be done to decrease exposure to indoor radon?

Radon can be reduced with various methods. Some methods are simple while other are complex and expensive. The effectiveness of each method will depend on upon the individual features of each house, the level of radon, the maps of radon entry, and how completely a job is done. No one can promise that these systems will work as they did in the test houses.

It is necessary that you do radon testing to define the level to which radon has been reduced. If the radon levels have not been adequately lowered, further reduction steps may be taken, and the testing process repeated. All tests should be done in specifically the same way as the test which confirmed the high radon levels in your house.

  • IQAir-HealthPro-Plus-air-purifier-reviewAir purifiers remove particles such as dust or radon decay products from the air. To eliminate radon you should choose powerful air purifier with an advanced filtration system with carbon filter included.
  • Natural ventilation. Use your windows to ventilate your home. Radon-laden indoor air replaces with outdoor air and neutralizes pressure.
  • You should ventilate the lowest level of your home, where it is in close contact with the main source of radon; the soil. If you have a basement, that is the space to ventilate. If your house sits on a concrete slab, then your alternative is to ventilate the living area. Opening windows throughout all levels of your house are recommended.
  • Forced Ventilation. Forced air fans can be applied to provide a controlled volume of required ventilation. For example, a fan could be installed to continuously blast fresh air into the house through the existing primary forced-air heating, ducting, and supply records with windows and doors remaining closed. Alternatively, fans could exhale air into the house throughout protected intakes through the surfaces of the house or could be mounted in windows. A fan could also be installed to blow outdoor air into a crawl space.
  • Sealing Cracks and Openings. If possible, the openings in the top row of concrete slabs in the basement walls should be tied with mortar or urethane foam. Seal wall and floor joint with elastic polyurethane membrane sealants. Cracks and utility breaks should be increased enough to allow filling with compatible, gas-proof, non-shrinking sealants. Porous surfaces (especially block walls) need the application of waterproof paint, cement, or epoxy to a carefully prepared surface.
  • Drain water away from the foundation.
  • Sub-Slab Suction. Radon can be moved from below the slab and discharged away from the house.
  • Block-Wall Ventilation. Moves radon from the areas within a concrete block wall before it can access the house or drives air into block walls so that radon is stopped from entering the walls.
  • Prevention of House Depressurization. Some exhaust fans and combustion units (such as woodstoves and fireplaces) can decrease the air pressure in your house by applying air and/or exhausting it to the outside. The lower the air pressure in your home, related to that in the soil, the more radon-laden air can be moved inside from the underlying soil.
  • House Pressurization. Controls that part of the house which is in connection with the soil at a pressure greater than that of the air in the soil. This limits soil gas–including radon–from entering the home. The most typical application of this method is to blow upstairs air into the basement.

How to Test Your Home for Radon?

1) Buy a radon testing kit. You don’t need professional devices. You can take a low-cost DIY (Do It Yourself) radon test kit. Whatever radon test kit you buy, make sure it matches the EPA specifications.

2) To get the best results, close doors and windows at least 10 hours prior to the testing period.

3) Radon test kit should be stored in the lowest level of your home. That could be a basement or the first floor. Pick a room that you use daily, such as the living room or bedroom.

Of course, every radon test kit will include all necessary information to do the test. Read it before you start.

If you don’t want to do it yourself, you can hire a professional to do it for you. Of course, it will be more expensive.

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Posted in Air Quality Testing, Indoor Air Quality.

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