As used in RCW 70A.15.6200 through 70A.15.6220, the following terms have the following meanings.
(1) "Acid deposition" means wet or dry deposition from the atmosphere of chemical compounds with a pH of less than 5.6.
(2) "Critical level of acid deposition and lake, stream, and soil acidification" means the level at which irreparable damage may occur unless corrective action is taken.
[ 2020 c 20 § 1156; 1985 c 456 § 2; 1984 c 277 § 2. Formerly RCW 70.94.805.]