Land Environmental designed and installed a radon mitigation system prior to construction in Alachua, FL. Using radon resistant construction materials allows air flow beneath the slab that minimizes radon entry into the home. Rock was used around the perimeter of the foundation along with cross sections to create pathways for air to move. Perforated pipes were laid along the rock and a ventilation stack was installed in the center of the home that will exit above the roof line. The passive system will be made active once the home is complete with the installation of a fan that will be installed in the attic.