The Guardian. The Guardian is a British daily newspaper, known from 1821 until 1959 as The Manchester Guardian. Along with its sister papers The Observer and The Guardian Weekly, The Guardian is part of the Guardian Media Group, owned by The Scott Trust Limited.
Radon mitigation is any process or system used to reduce radon concentrations in the breathing zones of occupied buildings.The goal of a radon mitigation system is to reduce the indoor radon levels to below the EPA action level of 4 pCi/L.A quality radon reduction (mitigation) system is often able to reduce the annual average radon level to below 2 pCi/L.In general, costs can range from approximately $800-$2500, with the average reduction system costing approximately $1500.he goal of a radon mitigation system is to reduce the indoor radon levels to below the EPA action level of 4 pCi/L. A quality radon reduction (mitigation) system is often able to reduce the annual average radon level to below 2 pCi/L.
The Average Cost for Radon Mitigation. The first step in radon mitigation is testing for the presence of the gas. There are different types of radon tests. Only a licensed radon tester can perform such a test, and a homeowner can expect to pay around $200. The average cost of testing and installation of a radon mitigation system is $758, explains the Home Advisor website. Most homeowners spent between $644 and $872 for radon testing and mitigation of the gas.