The Oregon Health Authority (OHA) has published their final "Testing for Schools Protocol" on their "Radon Gas and Public Health" Frequently Asked Questions webpage, which you can access by clicking this link.

Oregon school districts may use the published protocol for their own plans, which are required to be submitted to OHA via email on or before September 1, 2016. 

The email address for submission, as well as contact information for questions, is listed at the same webpage.