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• Dyno Nobel, Inc. resolves chemical emergency release notification violations at Cheyenne, Wyo. facility

  Company to pay $20,352 penalty for failure to submit Emergency Planning and Community Right-to-Know Act release notifications

  EPA News Release: Dyno Nobel, Inc. resolves chemical emergency release notification violations at Cheyenne, Wyo. facility

  • Release Date: January 18, 2023

• EPA Launches ‘See a Bloom, Give It Room’ High School Video Challenge

  Students invited to submit videos that raise awareness about harmful algal blooms

  EPA News Release: EPA Launches ‘See a Bloom, Give It Room’ High School Video Challenge

  • Release Date: September 19, 2019

• EPA awards Wyoming Department of Environmental Quality $859,000 grant to protect water quality

  EPA partners with the state to protect and restore watersheds, streams and groundwater

  EPA News Release: EPA awards Wyoming Department of Environmental Quality $859,000 grant to protect water quality

  • Release Date: July 24, 2019

• Sinclair Oil to pay $1.6 million penalty and install additional pollution controls at Sinclair, Wyoming Refinery

  Agreement resolves violations of 2008 agreement to reduce pollutant emissions

  EPA News Release: Sinclair Oil to pay $1.6 million penalty and install additional pollution controls at Sinclair, Wyoming Refinery

  • Release Date: June 20, 2019