Wash. Rev. Code § 70A.300.190
This chapter does not apply to special incinerator ash regulated under chapter 70A.315 RCW except that, for purposes of RCW 4.22.070(3)(a), special incinerator ash shall be considered hazardous waste.
[ 2020 c 20 s 1286; 1987 c 528 s 9. Formerly RCW 70.105.112.]