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HB 719

Mississippi Department of Environmental Quality; require to evaluate toxic air pollutants and revise air quality standards.

2025 Regular Session Introduced by Zakiya Summers

Bill requires Mississippi's environmental agency to evaluate toxic air pollutants and revise state air quality standards to address public health risks.

Died In Committee
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Bill Summary · HB 719

Legislative bill overview

HB 719 would require Mississippi's Department of Environmental Quality (DEQM) to evaluate toxic air pollutants within the state and revise air quality standards accordingly. The bill aims to strengthen air quality monitoring and regulatory standards to address potential public health risks from airborne toxins. This represents a mandate for more comprehensive assessment of air pollution beyond current federal EPA standards.

Why is this important

Air quality directly affects public health, particularly for vulnerable populations including children, elderly residents, and those with respiratory conditions. Mississippi's current air quality standards may not adequately address locally-specific toxic pollutants, and a state-level evaluation could identify gaps between federal minimums and regional needs. Updated standards could inform industrial zoning, emissions controls, and environmental justice initiatives in affected communities.

Potential points of contention

  • Regulatory burden and costs: Requiring DEQM to conduct comprehensive toxic air pollutant evaluations and revise standards could increase agency operational costs and impose new compliance expenses on businesses
  • Relationship to federal EPA standards: Questions about whether state standards should exceed federal EPA standards, potential conflicts between state and federal regulations, and concerns about creating a patchwork of varying requirements
  • Economic impact on industry: Stricter air quality standards could require existing industrial facilities to invest in pollution control technology, potentially affecting operating costs and competitiveness

Compiled from official sources — confirm details with the bill’s official record.

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