News & Analysis as of

Boiler MACT Rule Clean Air Act

Williams Mullen

Bait and Switch: EPA Requests Comments on Regulation of TCE/PCE Replacement as HAP

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The EPA decision to add 1-Bromopropane (“1-BP”) to the list of Hazardous Air Pollutants (“HAP”) has implications that go beyond the addition of another chemical to the HAP list. Industry received a glimpse of how far the...more

Williams Mullen

Environmental Notes - November 2020

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If Joe Biden is elected President there will be significant changes in environmental regulation for American businesses. Some changes can (and likely will) take place very quickly, with the stroke of a pen. These could...more

Williams Mullen

EPA Policy of Once In, Always for CAA Section 112 Becomes Once In, Sometimes Out

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Section 112 of the federal Clean Air Act (CAA) requires major sources of hazardous air pollutants (HAPs) to, among other things, control emissions using the maximum achievable control technology (MACT). A major source is a...more

(ACOEL) | American College of Environmental...

MACT Follies

Data is in from EPA’s “work practice” requirement that petroleum refineries monitor ambient air for benzene concentrations around their fence lines. The regulations set an “action level” of 9 µg/m3 benzene, using benzene as a...more

Foley Hoag LLP - Environmental Law

The Wehrum Memo Still Isn’t Final Agency Action

The D.C. Circuit Court of Appeals has denied the petition for rehearing in the “once in, always in” case. It was a one sentence order. Judge Rogers, who dissented from the original panel opinion, dissented from the denial....more

Shumaker, Loop & Kendrick, LLP

Client Alert: U.S. EPA Issues Policy Intended to Ease Pre-Construction Permitting Requirements for New and Modified Industrial and...

In what is now clear to be a series of policy changes to ease air permitting requirements for industrial and manufacturing facilities, U.S. EPA has issued its second memorandum entitled “Project Emissions Accounting under the...more

Shumaker, Loop & Kendrick, LLP

Client Alert: U.S. EPA Withdraws "Once-In, Always-In" Policy for Sources Regulated Under Section 112 of the Clean Air Act

On January 25, 2018, U.S. EPA issued a memorandum entitled "Reclassification of Major Sources as Area Sources under Section 112 of the Clean Air Act." The memorandum addresses whether a source is subject to the stringent...more

Katten Muchin Rosenman LLP

EPA Replaces the MACT "Once In, Always In" Policy

On January 25, 2018, EPA issued guidance replacing the maximum achievable control technology (MACT) "once in, always in" (OIAI) policy under the federal Clean Air Act (CAA). Memorandum from William L. Wehrum, Assistant...more

Eversheds Sutherland (US) LLP

Environmental Protection Agency’s new read on standards for sources of hazardous air pollutants

On January 25, 2018, the Environmental Protection Agency (EPA) issued a guidance memorandum reversing its 1995 “once in, always in” policy interpreting Clean Air Act (CAA) Section 112 to require sources to use maximum...more

Williams Mullen

Revised MACT Standards Coming for 13 HAP Sources

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The United States District Court for the District of Columbia recently ordered EPA to update the maximum achievable control technology (MACT) emission standards for 13 sources of hazardous air pollutants (HAPs). The order was...more

Pierce Atwood LLP

EPA Proposes To Tighten MACT Limits For Kraft Mills

Pierce Atwood LLP on

On December 14, 2016, EPA signed its proposed Kraft Pulp Residual Risk and Technology Review rule covering 40 C.F.R. Part 63, Subpart MM (a.k.a. “MACT II”) for recovery furnaces, lime kilns and smelt dissolving tanks at kraft...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

Foley Hoag LLP - Environmental Law

Chevron Deference Lives! EPA’s Boiler Rule (Mostly) Survives Review

On Friday, the D.C. Circuit largely upheld EPA’s Boiler MACT rule. The industry challenges were a complete washout. The environmental petitioners won one significant victory and a number of smaller ones....more

Williams Mullen

EPA Issues Final MACT for Brick and Structural Clay Products and Clay Ceramics Manufacturing

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Section 112(d) of the Clean Air Act requires EPA to set emission standards for hazardous air pollutants emitted by sources in certain specified source categories and subcategories. EPA recently published final maximum...more

WilmerHale

Supreme Court Rejects EPA Rulemaking Process for Power Plant Emissions Standards

WilmerHale on

The US Supreme Court held yesterday that the US Environmental Protection Agency (EPA) unreasonably failed to consider costs when it made the initial decision to regulate emissions of hazardous air pollutants from power...more

Stoel Rives LLP

Air Quality Law Alert: U.S. Supreme Court Blocks EPA Coal Plant Air Toxics Standards

Stoel Rives LLP on

Earlier today the US Supreme Court issued a 5 to 4 decision in Michigan v. EPA that struck down the U.S. Environmental Protection Agency’s (EPA) Mercury and Air Toxics Standard (MATS) rule. The MATS rule imposes stringent...more

Blank Rome LLP

EPA’s Final Startup, Shutdown, and Malfunction (“SSM”) Rule: The Emperor’s New Clothes, Part II

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The Final EPA Rule under the Clean Air Act (“CAA”) emissions standards for the Startup, Shutdown, and Malfunction (“SSM”) Rule is out. EPA issued the Final Rule on May 22, 2015 and it’s even worse than when proposed. I...more

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