Protecting Your Home and Health: Radon Poisoning Prevention and Remediation

Protecting your home and health: radon poisoning prevention and remediation

“Are the walls of your home silently poisoning you?” Many of us are blissfully unaware of the presence of radon, an odorless, colorless, and naturally occurring radioactive gas, that could be present in our homes and places of work. Originating from the normal decay of uranium found in most soils, radon can move up through the ground into the air and infiltrate your home through cracks and other openings in the foundation.

Why is this a cause for concern? Simply put, exposure to high levels of radon over time can lead to severe health issues, including lung cancer. In fact, the U.S. Environmental Protection Agency (EPA) reveals radon to be the second leading cause of lung cancer in the U.S. Hence, recognizing the importance of radon awareness is a vital step towards ensuring a safe environment for you and your family.

In this blog, we will delve into the 10 most alarming symptoms of radon poisoning to look out for, aiding you in early identification and prevention. By understanding the symptoms and where radon comes from, you can protect your health and create a safer home environment.

Understanding Radon

What is radon

Radon is a radioactive noble gas that is naturally produced as a decay product of uranium and thorium, elements widely found in rocks and soil. One of the unique characteristics of radon is its ability to move freely through the soil, allowing it to escape into the atmosphere or seep into buildings. Unlike other environmental hazards, radon cannot be detected by human senses as it is colorless, odorless, and tasteless, making it a silent and insidious threat to health.

Radon typically infiltrates homes and workplaces through cracks in floors, walls, or foundations, gaps in suspended floors, around service pipes, construction joints, or even through the water supply. The indoor radon level varies depending on the geological conditions of the ground and the degree of ventilation in buildings. It’s important to note that all buildings, old or new, well-sealed or drafty, with or without a basement, are susceptible to radon exposure.

The Health Implications of Radon Exposure

Radon exposure poses a significant threat to our health, primarily impacting the respiratory system. Chronic inhalation of this radioactive gas leads to its decay particles lodging in our lung tissues. Over time, radiation from these particles can cause cell damage, paving the way for potential mutations and, eventually, cancer. The World Health Organization (WHO) estimates that radon causes between 3% and 14% of all lung cancers, depending on the average radon level in your country and whether you are a smoker or non-smoker. This statistic underscores the seriousness of this invisible threat.

Radon gas lung cancer stat

The alarming impact of radon on health is well-documented through various studies and real-life cases. According to Yale Medicine, exposure to radon gas is considered to be one of the causes of lung cancer in nonsmokers, accounting for about 21,000 lung cancer deaths each year. In another revealing example, Stanley Watras, a construction engineer working at the Limerick nuclear power plant in Pottstown, Pennsylvania, discovered incredibly high levels of radon in his home during a routine check at work. Despite no family history of lung cancer, Watras was diagnosed with the disease, which was attributed to the high radon levels at home. His experience led to significant changes in radon awareness and regulation, highlighting the importance of recognizing this silent and deadly killer.

Understanding these risks is the first step toward mitigation, and it underscores the importance of regular radon testing in homes and workplaces.

The 10 Symptoms of Radon Poisoning

Radon poisoning symptoms

1. Persistent Cough

A persistent cough that doesn’t seem to resolve is one of the key indications of radon poisoning. This seemingly common symptom may be dismissed as a regular cold or allergy, but the consistent presence demands attention. Over time, it can lead to wheezing and shortness of breath. If you notice this symptom, it is advisable to consult a healthcare provider as soon as possible.

2. Chest Pain

Exposure to radon can prompt chest pain, often described as sharp or dull aches that persist. This pain can also be a sign of lung damage or the early stages of lung cancer caused by radon exposure. Seek immediate medical attention if you experience such symptoms.

3. Wheezing or Shortness of Breath

Wheezing or having difficulty breathing can be an indication of radon poisoning. This could be a result of lung damage caused by the inhalation of radioactive particles.

4. Frequent Infections

Frequent respiratory infections, such as bronchitis or pneumonia, could also be a sign of radon poisoning. This is because radon can weaken the immune system, making the body more susceptible to infections.

5. Loss of Appetite

A sudden or unexplained loss of appetite, leading to weight loss, can be a symptom of radon poisoning. Although it can be linked to many health conditions, if coupled with other symptoms on this list, it might indicate radon exposure.

6. Fatigue

If you’re feeling unusually tired or fatigued and it’s not linked to overwork or lack of sleep, it could be a symptom of radon poisoning. Radon exposure can cause anemia, leading to fatigue.

7. Frequent Headaches

While headaches are common and can be attributed to various causes, frequent, unexplained headaches could signify radon exposure. It’s advisable to seek medical advice if you experience this symptom.

8. Hoarseness

A change in the voice, such as hoarseness or whispering, can be another symptom of radon poisoning. This can be a result of damage to the throat and vocal cords.

9. Difficulty Swallowing

Difficulty swallowing or a feeling of tightness in the throat can be an indication of radon poisoning. This symptom is often linked to damage in the throat potentially caused by radon exposure.

10. Skin Lesions

Exposure to high levels of radon gas can result in skin lesions. These can appear as red, scaly patches or sores that don’t heal.

In the presence of any of these symptoms, especially if they persist or are combined with others on this list, it is vital to seek immediate medical attention. Equally important is the need to test your home and workplace for radon levels to minimize exposure and mitigate health risks.

What To Do If You Suspect Radon Poisoning

If you suspect you’ve been exposed to radon and are experiencing the symptoms outlined above, it is critical to act promptly. First and foremost, consult with a healthcare professional. While the symptoms mentioned are not unique to radon poisoning, a medical examination can help rule out other potential causes and guide appropriate treatment.

Simultaneously, get your home or workplace tested for radon. You can either use a DIY radon test kit or hire a certified professional for more comprehensive testing. If the radon levels in your property are found to be 4 pCi/L or higher, then radon mitigation is necessary. Engage with a certified radon mitigation contractor to implement the required mitigation measures.

It’s also highly advisable to spread awareness about radon poisoning. Encourage your neighbors, colleagues, and loved ones to get their properties tested for radon. Remember, radon awareness and proactive action can protect you, your loved ones, and your community from the potential health risks associated with this silent killer.

Radon Testing

Protecting your home and health: radon poisoning prevention and remediation 1

The first and most critical step is regular radon testing. As radon is undetectable by human senses, testing is the only reliable way to determine its levels in your home or workplace. Radon testing kits are affordable and readily available at most home improvement stores. They can also be ordered online. These kits include detailed instructions and are easy to use.

Remediation Methods

If high levels of radon are detected in your home, there are several effective remediation methods to reduce radon gas concentrations. Here are some common strategies:

1. Ventilation: Improve natural ventilation by opening windows and doors frequently. This can help reduce radon levels, especially in areas with limited airflow.

2. Sealing Cracks and Openings: Seal cracks in the foundation, walls, and floors to prevent radon from entering the home. Pay special attention to areas around pipes, utility penetrations, and the basement.

3. Sub-Slab Depressurization: This is one of the most common and effective methods for radon reduction. It involves installing a system that draws radon gas from beneath the foundation and safely vents it outside.

4. Crawl Space Encapsulation: If your home has a crawl space, encapsulating it with a vapor barrier and proper sealing can help prevent radon from entering the living spaces.

5. Professional Mitigation: In some cases, it’s best to consult a professional radon mitigation expert to design and install a custom system tailored to your home’s specific needs.

It’s worth noting that while these strategies can significantly reduce radon levels, they cannot entirely eliminate radon from the environment. Therefore, regular testing remains a key component of effective radon management. By proactively taking these steps, you can significantly reduce your exposure to this silent yet potentially deadly gas, protecting your health and enhancing the safety of your living and working environments.

Crawlspace encapsulation
Crawlspace encapsulation

Prevention and Maintenance

Preventing radon poisoning also involves taking preventive measures when building a new home. These include using radon-resistant construction techniques and installing a radon mitigation system from the start.

Additionally, regular maintenance and retesting are essential, as radon levels can change over time. It’s a good practice to test your home every 2-5 years, especially if you’ve made structural changes or modifications to your home.

Radon mitigation system


In conclusion, we must not underestimate the invisible threat of radon. It is crucial for us to familiarize ourselves with the symptoms of radon poisoning. Early recognition of these symptoms can prompt immediate action, mitigating the harmful health effects associated with radon exposure. Regular radon testing in our homes and workplaces is an essential protective measure against this silent killer.

If you experience persistent respiratory issues, unusual tiredness, frequent headaches, or any other symptoms mentioned in this blog, please seek immediate medical attention. Remember, it is always better to be safe than sorry.
If you require professional assistance, look no further than Certified Environmental. We are a certified radon testing laboratory, offering comprehensive radon testing and mitigation services to safeguard your home and workplace. Take action now, don’t wait until it’s too late. Reach out to us today or call (732) 538-8407 to get a free quote.

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Peter Lordy

Peter Lordy is a seasoned environmental expert with over 30 years of experience in Superfund, industrial/commercial, residential site evaluations, and regulatory compliance including RCRA and CERCLA. He is a trained asbestos removal supervisor, holding various licenses from NJDEP for closure, subsurface, and tank testing. As a Rutgers-trained hazmat trainer, he possesses the required 40 hours of training for annual certification, alongside being Roth Certified. Peter is also a voting member of ASTM International and a Radon Measurement Specialist, demonstrating his broad expertise and commitment to environmental safety and standards.