News & Analysis as of

Greenhouse Gas Emissions State Implementation Plans (SIPs)

Mitchell, Williams, Selig, Gates & Woodyard,...

Greenhouse Gas Emissions/Clean Air Act: Eight State Attorney Generals Request that EPA Establish a National Ambient Air Quality...

A group of state and territorial attorneys general sent a July 28th letter to United States Environmental Protection Agency (“EPA”) Administrator Michael Regan asking that a Clean Air Act National Ambient Air Quality Standard...more

Troutman Pepper

Welcome Back! These Are the Air Topics That Will Make News in 2022

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To help reboot after the holiday break, here is a list of air topics we expect to make news in 2022 with a short discussion of why each one may be important to you....more

(ACOEL) | American College of Environmental...

Regional Haze Regulation: Visibility or climate change?

The goal of the Clean Air Act’s visibility program is to achieve natural visibility conditions by 2064 in federal Class I areas (basically, national parks). States must show that they are making “reasonable progress” towards...more

Perkins Coie

Air Resources Board’s Regulatory Relief For Small Truck Fleets Violated CEQA

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A court of appeal has held that the California Air Resources Board violated CEQA when it issued a “regulatory advisory” notifying small trucking operations that they need not meet ARB’s regulatory deadline for retrofitting...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Regional Haze/Arkansas: 8th Circuit Court of Appeals Grants Motion to Stay

The United States Court of Appeals for the 8th Circuit addressed a Motion to Stay related to litigation involving application of the Clean Air Act Regional Haze requirements to Arkansas. The Order was issued on March 7th....more

Mitchell, Williams, Selig, Gates & Woodyard,...

Regional Haze: U.S. Environmental Protection Agency Announces Approval of Louisiana State Implementation Plan

The United States Environmental Protection Agency (“EPA”) issued a December 15th news release announcing approval of the State of Louisiana’s Clean Air Act Regional Haze State Implementation Plan (“SIP”). ...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Regional Haze/Nitrogen Oxide: U.S. Environmental Protection Agency Proposal to Approve Arkansas State Implementation Plan Revision

The United States Environmental Protection Agency (“EPA”) issued a September 11th Federal Register Notice proposing to approve a revision to the Arkansas Regional Haze State Implementation Plan (“SIP”) submitted by the...more

Williams Mullen

Court to Consider EPA Rule Eliminating Exemption for Excess Emissions During SSM

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A 2015 EPA rulemaking required 36 states to revise their State Implementation Plans (“SIPs”) to eliminate provisions exempting air emission exceedances during periods of startup, shutdown, or malfunction (the “SSM SIP Call...more

Williams Mullen

Environmental Notes - August 2016

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Time to Pay More: EPA Increases Maximum Civil Penalties - Remember the days when the maximum civil penalty EPA could assess for a violation of environmental law was $25,000 per day? Those days disappeared 26 years ago...more

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