The following courses were recently approved by the NRSB:

CENTER FOR ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC. (CERTI)
Initial Course: Radon Mitigation Technology: 24 Credits

RAD ELEC, INC.
CE Course: Rad Elec Recon Device Training: 4 credits

MURC – KANSAS STATE UNIVERSITY
CE Course: Optimal Mitigation & Advanced Diagnostics (Classroom): 16 credits