Environmental News

  • ADEQ Upcoming Modeling Guidelines May Soften Modeling Costs  - 

    Some of the most challenging standards to review for purposes of regulatory air dispersion modeling evaluations are those associated with nitrogen dioxide (NO2) and the 1-hour averaging period. Regulatory agencies recognize this challenge and make »

  • New Initiative to Update Eliminate Outdated State Regulations  - 

    Arizona Governor, Douglas Ducey, has proposed a new initiative, "Regulation Rollback". The aim of this initiative is to allow outdated regulations to be updated or eliminated. This would support economic growth in the state and ensure that outdated »

  • MSGP DMR Deadline Extension and Upcoming Features in myDEQ for Stormwater Permitting  - 

    The Arizona Department of Environmental Quality (ADEQ) has extended the Multi-Sector General Permit (MSGP) Discharge Monitoring Report (DMR) submission deadline to help permit holders comply with the new Federal e-Reporting rule that goes into »

  • Air Dispersion Modeling in the Absence of Meteorological Data  - 

    Meteorological data is one of the critical items needed to execute an air dispersion modeling analysis; without this data, the air dispersion models will not run. Historically, Arizona agencies have allowed the use of either one (1) year of »

  • ADEQ Launches Stormwater Permitting in myDEQ  - 

    On June 1st 2017, Arizona Department of Environmental Quality (ADEQ) transitioned to a paperless system for stormwater pollution prevention plan (SWPPP), construction general permit (CGP), and multi-sector general permit (MSGP) notice of intent »

  • ADEQ Developing New Minor New Source Review Guidance  - 

    The Arizona Department of Environmental Quality (ADEQ) is developing a new guidance document associated with the state's Minor New Source Review (mNSR) program to replace the current, publically available December 3, 2015 version of the »

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