Radon, Basements, and Your Bones: Pittsburgh's Hidden Risk

By Franklin Everett Shaw

May 12, 2026

Is your Pittsburgh basement silently jeopardizing your health? Radon, an invisible, odorless gas, is a significant concern in Allegheny County, and many homeowners are unknowingly exposed. This isn’t just about abstract health risks; prolonged radon exposure can demonstrably increase your risk of bone fractures, a connection often overlooked. Let’s dive into how you can test your Pittsburgh home, understand the risks, and take concrete steps to protect yourself and your family.

Radon is a naturally occurring radioactive gas produced by the decay of uranium in soil, rock, and water. It seeps into homes through cracks in foundations, gaps around pipes, and other openings. Pittsburgh’s unique geology, characterized by shale and sandstone formations rich in uranium, makes it a radon hotspot.

Why the bone fracture connection? Radon decays into radioactive particles that, when inhaled, damage lung tissue. This damage triggers inflammatory responses and oxidative stress throughout the body. Oxidative stress interferes with bone remodeling, the continuous process of breaking down old bone and building new bone. This disruption can lead to weakened bones and an increased susceptibility to fractures, especially in older adults.

Testing your Pittsburgh basement for radon is surprisingly straightforward. You have two primary options: DIY test kits and professional testing services. DIY kits are readily available at hardware stores like Lowe’s in North Fayette or online retailers. These kits typically involve placing a passive detector in your basement for a specified period (usually 2-7 days) and then mailing it to a lab for analysis.

Professional testing, on the other hand, offers a more comprehensive assessment. Certified radon mitigation professionals, like those listed on the Pennsylvania Department of Environmental Protection website, use specialized equipment to measure radon levels over a longer period and can identify potential entry points. This is particularly useful if you have a complex foundation or suspect multiple entry points.

Here’s a step-by-step guide to using a DIY radon test kit:

1. Purchase a short-term radon test kit from a reputable retailer. Make sure it’s certified for use in Pennsylvania.
2. Close all windows and exterior doors for 12 hours before starting the test. This helps to ensure an accurate reading.
3. Place the detector in the lowest level of your home that is regularly occupied, typically the basement. Avoid placing it near drafts, heat sources, or exterior walls.
4. Record the date and time you started the test.
5. Leave the detector in place for the specified period, following the manufacturer’s instructions.
6. After the testing period, seal the detector and mail it to the lab for analysis, following the instructions provided in the kit.
7. You will receive your results within a few weeks.

A common mistake is placing the detector in an area that isn’t representative of the overall radon level in the basement. For example, placing it right next to a sump pump or in a rarely used storage room can skew the results. Another pitfall is failing to close windows and doors before and during the test, which can dilute the radon concentration and lead to a false negative.

If your radon test results come back at or above 4 picocuries per liter (pCi/L), the Environmental Protection Agency (EPA) recommends taking action to mitigate the problem. Even levels between 2 and 4 pCi/L warrant consideration of mitigation.

Mitigation options in Pittsburgh vary depending on your home’s construction and the severity of the radon problem. The most common and effective method is sub-slab depressurization (SSD). This involves installing a pipe through the foundation floor and connecting it to a fan that draws radon gas from beneath the slab and vents it safely outside.

Here’s how SSD typically works:

1. A radon mitigation professional drills a hole through your basement floor slab.
2. They create a small pit beneath the slab to allow for airflow.
3. A PVC pipe is inserted into the hole and sealed to the slab.
4. The pipe is routed to an exterior wall or the roof.
5. A fan is installed in the pipe to draw radon gas from beneath the slab.
6. The radon gas is vented safely outside, away from windows and doors.

DIY radon mitigation is generally not recommended, especially for SSD systems. Improper installation can be ineffective or even worsen the problem. However, you can take some preliminary steps, such as sealing cracks in your foundation walls and floor with epoxy or caulk. This can help to reduce radon entry, but it’s unlikely to eliminate the problem entirely.

Pittsburgh’s older housing stock presents unique challenges for radon mitigation. Many homes have fieldstone foundations or crawl spaces, which can make it more difficult to install an effective SSD system. In these cases, alternative mitigation methods, such as crawl space encapsulation or block wall depressurization, may be necessary.

Allegheny County offers resources to help homeowners address radon concerns. The Allegheny County Health Department provides information on radon testing and mitigation, as well as a list of certified radon mitigation professionals. Additionally, some local organizations may offer financial assistance programs to help low-income homeowners pay for radon mitigation. Check with the Health Department for current program availability.

Don’t ignore the potential threat lurking beneath your Pittsburgh home. Testing for radon is a simple and affordable way to protect your health and the health of your family. If your test results are high, don’t hesitate to contact a certified radon mitigation professional to discuss your options. Remember, addressing radon is an investment in your long-term well-being and can help to prevent serious health problems, including weakened bones and increased fracture risk. Take action today to ensure a safer and healthier home environment.