Light from an object passes through the cornea which is a transparent dome like structure covering the iris. The light rays are refracted by the cornea onto the lens. The light rays are refracted a second time whilst passing through the lens and focussed onto the retina â the light sensitive part of the eye.
The average Radon mitigation cost in Portland, Oregon, or Vancouver, Washington is between $800 to $2,500 with an average of $1,200.
Cost are dependent on your needs. Generally, radon testing for locations with 20 miles of our office will cost $165. Radon mitigation costs approximately $1,200 to $1,600. For more information on our fees, see our Pricing Estimates Page.