"Affecting" means having, or may be having, an effect on (see WAC 197-11-752 on impacts). For purposes of deciding whether an EIS is required and what the EIS must cover, "affecting" refers to having probable, significant adverse environmental impacts (RCW 43.21C.031 and 43.21C.110(1)(c)).
Wash. Admin. Code § 197-11-712
Statutory Authority: RCW 43.21C.110. 84-05-020 (Order DE 83-39), § 197-11-712, filed 2/10/84, effective 4/4/84.