Tag: PM2.5 (Particulate Matter)

Daily Wintertime PM2.5 Speciation at Hawthorne and Smithfield

For the primary purposes of better validating Utah DAQ’s photochemical modeling, UDAQ will do more frequent speciation of wintertime PM2.5 filters. EPA’s Chemical Speciation Network (CSN) requirements specify either one-in-three or one-in-six day speciation of PM2.5 at three Utah locations (Hawthorne, Bountiful, and Lindon).

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Welcome to Air Quality Research Roadmap (AiR2), 2018!

Air2 is an opportunity to discuss, network, and make progress toward scientific solutions to Utah’s unique air quality problems with others in the local research and regulatory spheres. UDAQ will soon establish a yearly grant available to the research community.

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Public Comments Regarding Revisions to Section IX, Control Measures for Area and Point Sources, Part H, Emission Limits

See Public Participation Serious Area PM2.5 State Implementation Plan (SIP) Development for more info. Public Comments Received Big West Oil, LLC. (202 KB) Chevron (737 KB) Compass Minerals (233 KB) Environmental Protection Agency (60 KB) Heal Utah, Western Resource Advocates, Sierra Club Utah Chapter (205.2 MB) Northrop Grumman (113 KB) Rio Tinto Kennecott (22.9 MB) Tesoro Refining & Marketing Company (15 …

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