PDF documents associated with particulate matter exceptional events for Kennewick, WA.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- WDE Demonstration for August 2015 Event (PDF)(152 pp, 14 MB, November 2017)
- WDE Cover Letter for Demonstration (PDF)(1 pg, 145 K, 11/30/2017)
- EPA Cover Letter and Technical Support Document (PDF)(10 pp, 287 K, 3/21/2018)