EPA OKs Connecticut's Crackdown on Weird Chemical Emissions
Published Date: 8/28/2025
Proposed Rule
Summary
The EPA is giving a thumbs-up to Connecticut’s updated air pollution rules, including new limits on harmful chemicals like 1-bromopropane. This means businesses and industries in Connecticut will follow clearer, stronger air quality rules to keep the air cleaner. These changes kick in soon and help protect health without adding big costs.
Analyzed Economic Effects
4 provisions identified: 4 benefits, 0 costs, 0 mixed.
Connecticut firms face clearer air rules
If you run a business in Connecticut, EPA is proposing to approve CT DEEP updates that make the State Operating Permit Program and emissions limits clearer and stronger. The revisions explicitly respond to EPA adding 1-bromopropane to the list of hazardous air pollutants, so businesses in Connecticut will follow those updated rules.
State operating permit program revised
EPA proposes to approve amendments to Connecticut’s Regulations that revise the State Operating Permit Program under Clean Air Act Section 502. Businesses that are subject to state operating permits in Connecticut will be governed by these revised RCSA permit rules.
State adds 1‑bromopropane as HAP
Connecticut’s RCSA definition of 'hazardous air pollutant' is being revised in response to EPA adding 1-bromopropane to the federal hazardous air pollutant list. Facilities and businesses in Connecticut that emit or handle 1-bromopropane will be subject to the state rules that adopt that listing.
Limits on potential to emit updated
The RCSA amendments include revisions to limitations on potential to emit (PTE) Clean Air Act pollutants. Sources in Connecticut will be subject to the revised PTE limitations established by the state regulations that EPA is proposing to approve.
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