Radon PresentationPhillip Ray GibsonNC Radon Program

Radon, sources

Radiation, impact to human health

Radon, impact to human health

Radon, entry to home

Radon, levels of risk

Radon, impact to human health• EPA recommends that you • Fix your home if the radon level is 4 pCi/L or more• Because there is no known safe level of exposure to radon, EPA

also recommends that you consider fixing your home if the radon level is between 2 pCi/L and 4 pCi/L.

• EPA's estimate of 21,000 lung cancer deaths per year due to radon is based on the average radon concentration in American homes, which is about 1.3 pCi/L.

• The average concentration of radon in outdoor air is 0.4 pCi/L, or 1/10 of EPA's 4 pCi/L action level.

Radon, impact to human health

Radon, impact to human health

Radon, entry to home

Radon, entry to home

Radon, pre-construction

Radon, post construction

Radon, North Carolina 2014

Radon, North Carolina 2014

Radon, North Carolina 2015

Radon, North Carolina 2015

Radon, questions?

Phillip Ray Gibson828-712-0972

Phillip.gibson@dhhs.nc.gov