The Dangers of Radon and Why You Need Testing

Tyler Reynolds
May 2, 2025
7 min read

As a homeowner or potential homebuyer in the Atlanta area, understanding radon and its potential risks is critical to ensuring the safety and well-being of your family. Radon gas is a naturally occurring radioactive gas that is colorless, odorless, and tasteless, making it nearly impossible to detect without proper testing. Unfortunately, radon exposure can lead to serious health risks, including lung cancer. In this blog post, we’ll dive into the dangers of radon, why radon testing is essential for homes in Georgia, and how Reynolds Home and Property Solutions can help you protect your home from the harmful effects of radon.

Introduction: What Is Radon?
Why Radon Testing Is Important in Georgia
The Health Risks of Radon Exposure
How Radon Enters Homes
Common Areas Affected by Radon in Atlanta Homes
How Radon Testing Works
What to Expect During Radon Testing
How to Interpret Radon Test Results
Radon Mitigation: What You Can Do to Protect Your Home
Why You Should Choose Reynolds Home and Property Solutions for Radon Testing
The Importance of Regular Radon Testing
Conclusion: Take Action to Protect Your Home from Radon

1. Introduction: What Is Radon?

Radon is a radioactive gas that is naturally produced when uranium in soil, rock, and water breaks down. It is one of the most common causes of lung cancer in the United States, especially among non-smokers. Radon is odorless, colorless, and tasteless, which means it can accumulate in homes without detection unless a radon test is performed.

In the Atlanta area and suburbs, many homes are susceptible to radon, making testing an essential step in ensuring the safety of your property. Despite its dangers, radon is easy to prevent and manage with proper testing and mitigation.

2. Why Radon Testing Is Important in Georgia

In Georgia, radon exposure is a significant concern due to the natural geology of the region. While radon levels can vary from house to house, certain areas in Atlanta and its surrounding suburbs have higher radon potential, especially in homes with basements or crawl spaces. According to the Environmental Protection Agency (EPA), homes in Georgia are among those at risk for elevated radon levels.

Radon testing is the only way to know if you and your family are being exposed to high levels of this dangerous gas. Even if a home appears safe, radon can accumulate unnoticed in closed areas like basements, crawl spaces, or even main living floors.

3. The Health Risks of Radon Exposure

The primary danger of radon is its potential to cause lung cancer. According to the CDC, radon exposure is the second leading cause of lung cancer in the United States, after smoking. Radon is responsible for approximately 21,000 deaths per year in the U.S. alone, making it a significant health risk that should not be ignored.

When radon gas enters the lungs, it releases small particles of radiation. Over time, exposure to these particles can damage the lungs' tissue, leading to lung cancer. The risk of developing lung cancer is higher for those who smoke or have a history of smoking, but even non-smokers are at risk if they are exposed to high radon levels over time.

While the health risks associated with radon exposure are concerning, the good news is that radon testing can detect elevated levels, and effective mitigation systems can lower those levels, significantly reducing the risk.

4. How Radon Enters Homes

Radon typically enters homes through cracks in the foundation, gaps around pipes, and other openings. Because radon is a gas, it can easily infiltrate your home from the surrounding soil. In fact, the EPA estimates that one in 15 homes in the United States has elevated radon levels, making it a widespread problem.

Here are some common ways radon enters homes:

Cracks in the foundation: As the soil beneath your home shifts and settles, cracks can form, creating pathways for radon to enter.
Unsealed gaps around pipes and ducts: These openings in the foundation can allow radon to enter the living space.
Crawl spaces and basements: Homes with basements or crawl spaces are at a higher risk for radon infiltration, as these areas are often closer to the ground and more exposed to radon in the soil.
Poor ventilation: Lack of proper airflow in basements and crawl spaces can allow radon to accumulate in the home.

Because radon is colorless and odorless, it’s difficult to detect without a radon test. This is why testing is essential for every homeowner, especially in areas like Atlanta, where radon risks may be higher.

5. Common Areas Affected by Radon in Atlanta Homes

In the Atlanta metro area, homes with basements or crawl spaces are most at risk for elevated radon levels. The soil beneath these homes can release radon gas, which then enters through cracks in the foundation. Homes that have well-sealed foundations or are built on slabs tend to be less susceptible, but radon can still find its way in through other means.

Here are some areas in the home where radon is most likely to accumulate:

Basements: Homes with basements are at higher risk because they are typically built below ground level, where radon gas is more likely to accumulate.
Crawl Spaces: Homes with crawl spaces, especially if they are poorly ventilated, can trap radon gas and allow it to enter the living areas above.
Main Floors: Although radon is more likely to accumulate in lower levels, it can also affect the main floors of homes, particularly if there is inadequate ventilation.

Testing is the only way to determine if radon is present in your home, regardless of the type of foundation or the age of the house.

6. How Radon Testing Works

Radon testing involves measuring the concentration of radon gas in a home over a specified period. There are two main types of radon testing methods: short-term testing and long-term testing.

Short-Term Testing

Short-term tests measure radon levels for 2 to 7 days. These tests are often used to quickly assess whether a home has elevated radon levels. Common short-term testing devices include:

Charcoal canisters
Alpha track detectors
Electret ion chambers

Short-term tests are ideal for homeowners who need a quick assessment of radon levels, but they may not provide as accurate a reading as long-term tests.

Long-Term Testing

Long-term tests measure radon levels over a period of 90 days or more. These tests provide a more accurate reading of radon exposure and better reflect long-term radon risks in the home. Long-term testing methods include:

Alpha track detectors
Electret ion chambers

While long-term testing takes more time, it’s the best way to get an accurate sense of radon exposure in your home over time.

7. What to Expect During Radon Testing

When you hire Reynolds Home and Property Solutions for radon testing, we will conduct a thorough inspection of your home and place the necessary radon detectors in areas where radon is most likely to accumulate, such as the basement or lower levels of the home.

Here’s what to expect during a typical radon test:

Preparation: We’ll ask you to keep windows and doors closed for at least 12 hours before the test to ensure accurate readings.
Device Placement: We’ll place the radon detectors in strategic areas, such as the basement or main floor, depending on the type of test being conducted.
Testing Period: The test will run for the required period, either short-term or long-term, to gather data.
Results: Once the test is complete, we’ll analyze the results and provide a detailed report. If radon levels are above the EPA’s action level of 4 picocuries per liter (pCi/L), we’ll recommend mitigation.

8. How to Interpret Radon Test Results

The EPA recommends taking action if the radon level in your home is 4 pCi/L or higher. Here’s a breakdown of what your test results might mean:

Below 2.0 pCi/L: Radon levels are considered low, and no immediate action is necessary.
2.0 – 4.0 pCi/L: These levels are moderate, and you may want to consider mitigation, especially if you plan to sell or buy the home.
Above 4.0 pCi/L: High radon levels pose significant health risks, and mitigation should be considered as soon as possible.

9. Radon Mitigation: What You Can Do to Protect Your Home

If your home tests positive for elevated radon levels, radon mitigation is the best way to protect your family. Radon mitigation systems are designed to reduce radon levels in the home by improving ventilation and preventing radon from entering the home.

Common radon mitigation techniques include:

Sub-slab depressurization: This system involves installing a vent pipe and fan that draws radon from beneath the foundation and releases it outside.
Crawl space ventilation: Ventilation fans are installed to reduce radon levels in crawl spaces.
Sealants: Cracks and gaps in the foundation are sealed to prevent radon from entering.

10. Why You Should Choose Reynolds Home and Property Solutions for Radon Testing

At Reynolds Home and Property Solutions, we specialize in radon testing and mitigation. With our expertise and knowledge of the Atlanta market, we can help you ensure that your home is free from radon and other environmental hazards. Our certified radon testers use the latest equipment to provide accurate and reliable test results, giving you peace of mind knowing that your home is safe.

11. The Importance of Regular Radon Testing

Since radon levels can change over time due to shifting soil, weather conditions, and changes in the home’s structure, regular testing is important. The EPA recommends testing your home for radon every two years, or sooner if:

You’ve made structural changes to your home
You’ve installed new HVAC systems
You’re planning to sell or buy a home
You’ve done any major foundation repairs

12. Conclusion: Take Action to Protect Your Home from Radon

Radon is a silent and invisible threat that poses real dangers to homeowners in Atlanta and its surrounding suburbs. The only way to protect your family from radon exposure is through professional testing and, if necessary, mitigation.

If you live in the Atlanta metro area, now is the time to take action. Reynolds Home and Property Solutions is your trusted partner for radon testing and home inspections across Marietta, Smyrna, Roswell, Kennesaw, Woodstock, and surrounding communities.

Schedule Your Radon Test Today

Don’t wait until it’s too late. Contact Reynolds Home and Property Solutions of Georgia to schedule your radon inspection today. Visit www.reynoldshomeandpropertysolutions.com to book your appointment.