Radon 106: Decoding the (New) Code Riley Carey February 12, 2021 3 Credit Hours An in-depth study of the revisions to the 32 ILAC 422: Regulations for Radon Service Providers in Illinois. Course Content I. Revisions Made To Section 422.10 – 422.70 II. Revisions made to sections 422.75-422.140 III. Revisions made to Mitigation Standard [for Existing Housing]