RAPID/BulkTransmission/Connecticut/Air Quality

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Connecticut Bulk Transmission Air Quality Assessment(15-CT)

In Connecticut, bulk transmission project construction activities and equipment typically do not require an Air Quality Construction Permit from Connecticut Department of Energy and Environmental Protection, Bureau of Air Management. The temporary use of a portable diesel generator that qualifies as a “nonroad engine” under 40 C.F.R. § 89.2 is exempt from obtaining an Air Quality Construction Permit pursuant to Conn. Agencies Regs. §§ 22a-174-3a(a)(2)(C)(i)–(ii).


A developer must comply with fugitive dust rules contained in Conn. Agencies Regs. § 22a-174-18(c), which require a developer to take reasonable precautions to prevent particulate matter from becoming airborne, prevent visible particulate matter from travelling beyond the property line, and prevent particulate matter from being emitted in such a manner as to cause a nuisance. Conn. Agencies Regs. §§ 22a-174-18(c)(1)–(3). A developer must also comply with Connecticut’s visible emission standards for mobile sources contained within Conn. Agencies Regs. § 22a-174-18(b)(3). The developer should consider the project’s impact on air quality and comply with federal and state law.

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Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.