From the Design Review Committee (DRC)
Radon is a naturally occurring radioactive gas that comes from the breakdown of uranium in the soil, that moves up through the soil into the atmosphere. It can seep into our homes through cracks and openings in floors and crawlspaces. When this happens, radon becomes part of the air we breathe.
The Colorado Department of Public Health and Environment tells us that TrailMark, in fact the entire state of Colorado, is rated as Zone 1 – High radon potential (probable indoor radon average >4pCi/L), and about half the homes have radon levels higher than the US Environmental Protection Agency recommended action level of 4 picocuries per liter.
As a safety issue, homeowners are encouraged to test radon levels in your home. If you find that your radon levels require mitigation, a DRC request is required because radon mitigation systems vent radon outdoors through a pipe that ends above the edge of the roof. All DRC radon mitigation system requests require that all system parts external to the house (conduit, fan assembly, brackets, etc.) must be painted the color of the surface upon which they rest. After initial installation, upkeep of those system parts becomes a maintenance issue – painted the color of the surface upon which they rest, regardless of who installed the system or when it was installed.
For more information on radon testing and mitigation, check with the CO Department of Public Health and Environment at https://cdphe.colorado.gov/hm/radon.
0505.0605
