Specifications include, but are not limited to: Design the appropriate radon mitigation system to reduce radon levels to levels below the
EPA recommended limits of 4 pCi/L
Install visual vacuum monitor in an easily accessible location.
Clearly label system. Provide complete owner’s operations manual, which includes filter
replacement schedule and at least one replacement filter
Perform post-mitigation radon test after system has been in operation for at least 24 hours
to confirm system achieves level below 4 pCi/L.