WAC 51-13-501
Scope.
501.1 General: The criteria of this chapter establishes
minimum radon resistive construction requirements for all
Group R Occupancies. These requirements are adopted pursuant
to the ventilation requirements of Section 7, of Chapter 2 of
the Session Laws of 1990.
501.2 Application: The requirements of this chapter
shall be adopted and enforced by all jurisdictions of the
state according to the following subsections:
501.2.1: All jurisdictions of the state shall comply
with section 502.
501.2.2: Clark, Ferry, Okanogan, Pend Oreille, Skamania,
Spokane, and Stevens counties shall also comply with section
503.
[Statutory Authority: RCW 19.27.190 and 19.27.020 and
Chapters 19.27 and 34.05 RCW. 07-01-095, § 51-13-501, filed
12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.190. 95-01-128, § 51-13-501, filed 12/21/94, effective
6/30/95; 91-01-102, § 51-13-501, filed 12/18/90, effective
7/1/91.]