Arizona Environmental News

  • MCAQD Introduce a New, User-Friendly Interface System, IMPACT  - 

    In September of this year, Maricopa County Air Quality Department (MCAQD) plans to implement a new interface system for industry representatives. This system will be for General, Non-Title V, and Title V Sources, as well as, Emissions Inventory. »

  • Proposed SIP Revision - Significant Emission Rate for Ammonia  - 

    Arizona Department of Environmental Quality (ADEQ) is proposing a State Implementation Plan (SIP) revision to include a Significant Emission Rate (SER) for Ammonia (NH3) as a precursor in the formation of secondary fine particulate matter with an »

  • REMINDER: Required Maricopa County Annual Emissions Inventory  - 

    On February 1, 2019, Maricopa County Air Quality Division (MCAQD) mailed out the 2018 emission inventory reports. If your facility received an emission inventory report, please complete the report and submit by May 13, 2019 (due date).Facilities »

  • Quick Regulatory Updates  - 

    Maricopa County Air Quality Department (MCAQD) is proposing changes to the following Rules:Rule 321 affecting Municipal Waste Landfills. MCAQD is proposing to change the applicability date from May 30, 1991 to July 17, 2014 and revising Section 300 »

  • Coal Combustion Residuals (CCR) in Arizona - What is the Status?  - 

    The Disposal of Coal Combustion Residuals (CCR) from Electric Utilities Rule of 2015 finalized national regulations for the safe disposal of CCRs, including coal ash, from coal-fired power plants. The rule establishes technical requirements for CCR »

  • ADEQ Proposes Reissuing of the Multi-Sector General Permit or Stormwater Discharges  - 

    The Arizona Department of Environmental Quality (ADEQ) has extended the comment period on the proposed reissuance of the multi sector general permit (MSGP) for Stormwater Discharges associated with Industrial Activities. Comments on the proposed »

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