WAC 51-13-401
Pollutant
source control.
401.1 Formaldehyde
Reduction Measures: All structural panel components within the
conditioned space such as plywood, particle board, wafer board,
and oriented strand board shall be identified as "EXPOSURE 1," "EXTERIOR" or "HUD-APPROVED."
[Statutory Authority: RCW 19.27.190(2) and 1992 c 132. 93-02-056, § 51-13-401, filed 1/6/93, effective 7/1/93. Statutory Authority: RCW 19.27.190. 91-01-102, § 51-13-401, filed 12/18/90,
effective 7/1/91.]