Comments due: March 20, 2018
Submit by: mail, online, and during the public hearings
Background: This rulemaking would adopt amendments to WAC 173-400 General Regulations for Air Pollution Sources and WAC 173-401 Operating Permit Regulations. Review related documents on the page for this rulemaking.
Comment by mail
Department of Ecology
Air Quality Program
P.O. Box 47600
Lacey, WA 98504-7600
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