"Addendum" means an environmental document used to provide additional information or analysis that does not substantially change the analysis of significant impacts and alternatives in the existing environmental document. The term does not include supplemental EISs. An addendum may be used at any time during the SEPA process.
[Statutory Authority: RCW 43.21C.110
. WSR 84-05-020 (Order DE 83-39), § 197-11-706, filed 2/10/84, effective 4/4/84.]