Washington Administrative Code (Last Updated: November 23, 2016) |
Title 51. Enterprise Services, Department of (Building Code Council) |
Chapter 51-51. State Building Code adoption and amendment of the 2015 edition of the International Residential Code. |
Section 51-51-0327. Section R327—Protection against radon.
Latest version.
- R327.1 Protection Against Radon. The radon control provisions of Appendix F of this code shall apply to buildings constructed in High Radon Potential Counties (zone 1) designated in Table AF101 (1). The radon control provisions of Appendix F of this code shall also apply to all buildings constructed using the provisions of Section R408.3 Unvented crawl space compliance method.