WESTAR Comments on EPA’s Regional Haze Advanced Notice of Proposed Rulemaking

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On November 24, 2025 WESTAR submitted comments to the docket for EPA’s Advanced Notice of Proposed Rulemaking (ANPRM). The comments addressed each of EPA’s eighteen main questions within the ANPRM from questions about a potential reasonable progress metric to interstate and Federal Land Manager consultation. WESTAR also encouraged EPA to continue working with the states to craft the regional haze rule revisions and to delay the start of the third planning period. You can read the full letter here.

WESTAR-WRAP 2025 Fall Business Meeting

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WESTAR-WRAP held its Fall Business meeting in Jackson, Wyoming this year. Thank you to staff from Wyoming DEQ for hosting us and for leading the campfire sing-along. Thanks to all of the speakers for the thought-provoking presentations and all of the participants for the questions asked and information shared. If you would like to revisit any part of the meeting you can use the agenda with links to the presentations, or rewatch the recorded sessions below.

Agenda with linked presentations

Meeting Recordings

Business Activities
Dr. Arden Pope
Dust Research and IMPROVE
EPA Update
USFS Burn Permit Data
Data Centers Discussion
Residential Wood Heating
Ozone Transport