How Radon gets into your home (Photo – CDC.giv)
Radon, a radioactive gas that increases the risk of lung cancer, especially among people who do not smoke, is the second leading cause of lung cancer in the United States, after smoking.
By News Desk
The U.S. Environmental Protection Agency (EPA) estimates that radon exposure contributes to about 21,000 lung cancer deaths each year.
To help residents determine whether radon is present in their homes, the Pasadena Public Health Department (PPHD) has received a limited supply of free radon test kits from the California Department of Public Health Indoor Radon Program and is offering them to Pasadena residents.
The California Department of Public Health recommends considering home modifications if radon levels exceed 2 picocuries per liter (pCi/L). The EPA and the U.S. Surgeon General strongly advise fixing a home if radon levels reach 4 pCi/L or higher. Testing is the only way to know whether radon poses a risk in a home.
What Is Radon?
Radon is a naturally occurring radioactive gas formed when uranium breaks down in soil, rock, and water. It is colorless, odorless, and tasteless, and can seep into buildings where it accumulates indoors. Radon levels can vary depending on weather, soil moisture, and air pressure.
Differences in air pressure between the inside and outside of a home can draw radon indoors. Everyday activities such as running a furnace or bathroom fan may increase these pressure differences. Radon levels often rise during winter months, making cold-season testing especially important.
Any type of home can be affected by radon, including new or older structures, well-sealed or drafty homes, and homes with basements, slabs, or crawl spaces. An estimated one in fifteen homes has elevated radon levels.
Limited Quantity
PPHD is offering a short-term radon test designed to run for two to three days. Residents are advised to keep windows and exterior doors closed as much as possible starting at least 12 hours before testing and throughout the test period. Heating and air-conditioning systems that recirculate indoor air may be used, but fans or equipment that bring in outside air should be avoided.
Test kits should be placed on the lowest level of the home that is regularly occupied—such as a basement or first floor, in a frequently used room like a living room, bedroom, den, or playroom. Kitchens and bathrooms should be avoided. Kits should be positioned at least 20 inches above the floor and kept away from drafts, heat sources, humidity, and exterior walls.
After the testing period, residents should reseal the kit and mail it to the designated laboratory as soon as possible. Results are typically available within a few weeks.
One Free Radon Test Kit
Pasadena residents may pick up one free radon test kit while supplies last. PPHD has received 50 kits, and availability is limited. Proof of residency, such as a valid ID or utility bill, is required. Kits are available during business hours at the Pasadena Public Health Department, Environmental Health Services Division, 1845 N. Fair Oaks Avenue, Suite 1200, Pasadena, CA 91103.
Each kit includes instructions, an information form, one charcoal radon sampler, and a return mailer. For availability and pickup times, residents may call (626) 744-6004.
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