"Threshold determination" means the decision by the responsible official of the lead agency whether or not an EIS is required for a proposal that is not categorically exempt (WAC 197-11-310 and 197-11-330(1)(b)).
Wash. Admin. Code § 197-11-797
Statutory Authority: RCW 43.21C.110. 84-05-020 (Order DE 83-39), § 197-11-797, filed 2/10/84, effective 4/4/84.