Particulate Matter 10 (PM10)
On October 23, 2018 the Imperial County Air Pollution Control District Board of Directors fully approved the "Imperial County 2018 Redesignation Request and Maintenance Plan for Particulate Matter less than 10 Microns in Diameter"
The California Air Resources Board has scheduled a Public Hearing to consider and take comments on the Imperial County 2018 Redesignation Request and Maintenance Plan for Particulate Matter less than 10 Microns in Diameter. The scheduled Public Hearing date of December 13-14 2018 will be held in Sacramento.
2009 Particulate Matter 10 (PM10) State Implementation Plan
Settlement between EPA, California State Parks and Imperial County Regarding Imperial's Fugitive Dust Regulations July 27, 2012: EPA, Imperial County Air Pollution Control District and California Parks Department announced a settlement to enhance Imperial's regulations for inhalable particulate matter (PM-10). The settlement agreement will be published in the Federal Register in about two weeks. There will be a 30-day public comment period on the agreement upon publication in the Federal Register.
Please visit our public participation page under Past Public Hearings for a detail of the information provided to the Imperial County Air Pollution Control Board of Directors on August 11, 2009.