Stillwater, MN 55082
Stillwater, MN 55082 Radon Testing and Mitigation Project. Original radon test that the homeowner had conducted was at 31.6 pCi/l. This level was almost 8 times the level that the EPA recommends to have mitigation. After mitigation testing came back at 0.4 pCi/l! Amazing improvement! Outside air averages 0.4 pCi/l.