Arizona Environmental News

  • Regional Haze Updates  - 

    On September 11, 2018, the United States Environmental Protection Agency (EPA) signed the Regional Haze Reform Roadmap, which directs EPA staff to take certain actions to ensure adequate support for states to enable timely and effective »

  • ADEQ's VESP Program  - 

    The Arizona Department of Environmental Quality (ADEQ) offers a variety of programs to Arizona's businesses in order to support environmental programs at their location. One program that organizations can take advantage of which not only supports »

  • Additional Designations for the 2015 Ozone National Ambient Air Quality Standard (NAAQS)  - 

    On April 30, 2018, the United States Environmental Protection Agency (EPA) signed the final notice to designate all remaining counties that were not previously designated in the November 16, 2017 final rulemaking as non-attainment, »

  • Major Sources in Arizona - Different Than What You May Expect  - 

    Per recent ADEQ guidance on air permitting for new sources, ADEQ will generally treat a site as "Major" if the calculated site-wide non-fugitive Potential to Emit (PTE) is within 10% of the major source threshold. For example, if the NOx site-wide »

  • EPA Memorandum Proposes a Shift in NSR Program Applicability  - 

    Late last year, the Environmental Protection Agency (EPA) released a memorandum with an improved interpretation of post-project emissions under federal New Source Review Program (NSR). The estimation and management of post-project emissions under »

  • Updates to Maricopa County Adopted Rule 316 and Rule 320  - 

    Maricopa County is proposing to update Rule 316 [Nonmetallic Mineral Processing] and Rule 320 [Odors and Gaseous Air Contaminants] in 2018.The County has held multiple stakeholder workshops for each of the rules and is proposing the following »

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Upcoming Conferences in Arizona
15th Annual EPAZ Conference (formerly Gatekeeper Regulatory Roundup) 2018
Location: Tempe, AZ
Mar 06, 2019
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