Air Toxics and the Clean Air Act

Clean Air Act Section 112, hazardous air pollutants, air toxics standards, MACT, and NESHAP records.

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Page 7 of 7 — 639 documents
Summary Year FOIA ID Number Production ID Pages
Email from SunCoke to the EPA regarding the proposed reconsideration of National Emission Standards for Hazardous Air Pollutants, expressing concerns about compliance requirements and the elimination of exemptions for startup, shutdown, and malfunction, dated July 12, 2016. 2016 2025-EPA-04883
0005726
1
A comment letter from SunCoke dated 2016 critiques the EPA's new MACT floor emission limits for IINR plants, arguing they are based on insufficient data and do not account for variability in coal composition. 2016 2025-EPA-04883
0005745
1
EPA's proposed rule for benzene monitoring at coke oven facilities requires fenceline measurements and root cause analyses for exceedances, while excluding offsite emissions as outliers, contradicting CAA Section 112. 2015 2025-EPA-04883
0005715
1
Email correspondence dated September 10, 2025, discusses Ameren's request for a two-year compliance exemption from the MATS rule due to challenges in meeting new PM emissions standards and the associated costs of compliance technology. 2014 2025-EPA-04883
0005799
1
The U.S. Environmental Protection Agency (EPA) amended testing requirements in 40 CFR 63 Subpart UCUCU, increasing PM sampling volume for PM CEMS correlation validation, as discussed in comments submitted by GVEA regarding compliance challenges with new emission standards. 2012 2025-EPA-04883
0005598
1
A 2012 communication from Luminant argues for exemptions from the MATS rule's revised PM standard and CEMS requirements, citing national security concerns related to energy generation capacity and grid reliability, referencing President Trump's Executive Orders 14154 and 14156. 2012 2025-EPA-04883
0005923
1
EPA's interim release dated September 10, 2025, discusses Oak Grove Management's request for a two-year exemption from the MATS RTR mercury standard, citing unavailability of required technology and national security interests. 2012 2025-EPA-04883
0005926
1
Cynthia Vodopivec, Senior Vice President of Environmental, Health & Safety at Sierra Club, submitted comments regarding the MATS RTR's impact on energy generation and national security, referencing President Trump's Executive Orders 14154 and 14156, on September 10, 2025. 2012 2025-EPA-04883
0005929
1
Comments submitted by Luminant regarding the MATS rule highlight significant costs and market limitations associated with compliance, emphasizing the national security implications of energy generation capacity and grid reliability as outlined in President Trump's Executive Orders. 2012 2025-EPA-04883
0005933
1
Comments submitted to the EPA regarding the MATS RTR highlight concerns over the reliability and cost of PM Continuous Emissions Monitoring Systems (CEMS) and argue for national security exemptions from compliance due to potential impacts on energy generation and grid stability. 2012 2025-EPA-04883
0005938
1
Comments submitted by Luminant regarding the MATS RTR emphasize the national security implications of compliance costs and the potential impact on energy generation capacity and grid reliability, referencing Executive Orders from January 2025. 2012 2025-EPA-04883
0005950
1
Cynthia Vodopivec, Senior Vice President of Environmental Health and Safety at Sierra Club, submitted a request for exemptions from the MATS RTR on September 10, 2025, citing national security concerns regarding energy generation and grid reliability. 2012 2025-EPA-04883
0005955
1
Indorama's compliance request for a four-year extension to meet emission control standards at its Port Neches Facility, citing the need for additional time and referencing EPA's statutory authority under 42 U.S.C. 7412. 2012 2025-EPA-04883
0006003
1
EPA's 2012 proposal to tighten the surrogate fPM emission standard for coal-fired EGUs from 0.030 lb/MMBtu to 0.010 lb/MMBtu lacks sufficient basis as it does not identify new control technologies or practices, violating statutory authority under 42 U.S.C. 7412(d)(6). 2012 2025-EPA-04883
0006105
1
Overview of the Mercury and Air Toxics Standards (MATS) since the 2012 final rule, including emissions changes, benefits, and costs, as part of FOIA request 2025-EPA-04883. 2012 2025-EPA-04883
0006300
1
The 2012 MATS mercury emission limitation allowed lignite power plants to manage higher mercury emissions due to variable coal quality, as noted in the EPA FOIA record 2025-EPA-04883. 2012 2025-EPA-04883
0006371
1
EPA's assessment indicates that lignite units may not meet the New Mercury Limitation of 1.2 lb/TBtu, while citing the effectiveness of brominated activated carbon for achieving over 90 percent mercury control, referencing a 2012 memorandum and a technical publication. 2012 2025-EPA-04883
0006374
1
Email from EPA regarding the Presidential Exemption under Section 112 of the Clean Air Act for San Miguel Electric Cooperative, Inc., detailing emission standards, compliance challenges, and technical feasibility issues related to mercury and particulate matter emissions. 2011 2025-EPA-04883
0025040–0025043
4
SunCoke's comments on EPA's proposed MACT floor regulations detail anticipated costs exceeding $474.9 million for capital investments and $66 million annually, citing the need for extensive testing and modifications to comply with new HAP emission limits. 2011 2025-EPA-04883
0005766
1
Minnkota's report details the inability of Units 1 and 2 to meet the New Mercury Limitation under the revised MATS RTR, citing insufficient technology and the need for significant investment in further testing and equipment. 2010 2025-EPA-04883
0006317
1
The Hugo Generating Station's MATS Presidential Exemption Request from WFEC outlines challenges in meeting the revised fPM emissions standard by 2027 due to unavailable technology and operational variability, dated September 10, 2025. 2009 2025-EPA-04883
0006058
1
A 2007 EPA document discusses the agency's failure to propose standards for eight unregulated hazardous air pollutants (HAP) and critiques its arbitrary setting of MACT floor limits, as argued by SunCoke in a petition likely to succeed on the merits. 2007 2025-EPA-04883
0005764
1
EPA memorandum discusses the insignificance of HAP and mercury emissions from SunCoke's pushing operations, arguing against the need for additional emission limits or testing due to their de minimis nature. 2006 2025-EPA-04883
0005703
1
EPA's interim release dated August 16, 2023, critiques the agency's proposed MACT standards under CAA Section 112, arguing that the measures are arbitrary and capricious, lacking demonstration of achievability and proper cost consideration. 2004 2025-EPA-04883
0005695
1
A 2014 letter from the Ohio EPA to Haverhill Coke Company confirmed the termination of HAP and VOC monitoring requirements due to demonstrated minimal impact on ambient levels, as outlined in FOIA request 2025-EPA-04883. 2004 2025-EPA-04883
0005718
1
EPA's 2004 National Emission Standards for Hazardous Air Pollutants for Lime Manufacturing Plants established regulations to protect public health by reducing emissions of hazardous air pollutants, concluding that no new regulations were necessary based on scientific evaluations. 2004 2025-EPA-04883
0006018
1
EPA's 2004 National Emission Standards for Hazardous Air Pollutants for Lime Manufacturing established regulations to protect public health by reducing hazardous air pollutant emissions, with no challenges from the industry or environmental groups. 2004 2025-EPA-04883
0006049
1
EPA memorandum discusses the inadequacy of using ByP facility data to set emission limits for SunCoke's HNR facilities, arguing that the proposed MACT limits do not account for significant operational differences, dated May 1, 2023. 2003 2025-EPA-04883
0005704
1
SunCoke requested a two-year exemption from compliance with new MACT floor emission limits for pushing emissions under the Coke Ovens Rule, citing technological infeasibility due to the unique configuration of its facilities, in correspondence dated October 2, 2023. 2002 2025-EPA-04883
0005655
1
SunCoke requested a two-year exemption from compliance with new MACT floor emission limits for pushing emissions under the Coke Ovens Rule, citing technological infeasibility due to the unique configuration of its facilities, in correspondence dated September 3, 2024. 2002 2025-EPA-04883
0005669
1
SunCoke Energy, Inc. submitted a petition for reconsideration and stay of the EPA's final rule on National Emission Standards for Hazardous Pollutants for coke ovens, citing significant financial impacts and lack of measurable air quality benefits, under FOIA ID 2025-EPA-04883. 2002 2025-EPA-04883
0005735
1
On September 10, 2001, Jeffrey R. Holmstead of Bracewell LLP requested a two-year extension for DPE's compliance with CAA Section 112 standards for its Neoprene Production Facility in LaPlace, Louisiana, under FOIA ID 2025-EPA-04883. 2001 2025-EPA-04883
0006421
1
A 2000 communication from SunCoke to the EPA critiques the agency's MACT floor limits for hazardous air pollutants, arguing they are unachievable and requesting reconsideration under CAA section 307(d)(7)(B). 2000 2025-EPA-04883
0005742
1
EPA proposed amendments to existing MACT standards for coke ovens, addressing emissions and health risks, with historical context on regulations from 1993 to 2005, in a memorandum dated May 1, 2023. 1993 2025-EPA-04883
0005682
1
Performance Testing Requirements document from 1990 discusses emissions testing changes under the revised MATS rule, specifically addressing the implications for Bay Shore Unit 1's compliance and cost burdens associated with new FPM CEMS requirements. 1990 2025-EPA-04883
0006045
1
The EPA document discusses the reliability issues of particulate matter continuous emissions monitors at the Big Stone Plant, co-owned by Otter Tail, and outlines the implications of the MATS RTR and potential exemption costs. 1975 2025-EPA-04883
0005957
1
Request for Extension of Compliance submitted by Nattaya Boonsombat for St. Charles Operations in Hahnville, Louisiana, seeking a one-year extension to July 15, 2027, for three projects related to ethylene oxide emissions under 40 CFR 63. 1909 2025-EPA-04883
0020557–0020561
5
Amanda Slate, Food Safety Process Control Sterilization Manager, requested the EPA extend the compliance timeline for NESHAP and Pill regulations to prevent foodborne disease outbreaks and ensure food safety technologies are adequately validated. 1900 2025-EPA-04883
0005880
1
On August 18, 2023, the U.S. Environmental Protection Agency issued a Finding of Violation to Alon Refining Krotz Springs, Inc. for multiple violations of the Clean Air Act at its Krotz Springs, Louisiana facility, detailing non-compliance with National Emission Standards for Hazardous Air Pollutants. EIP EPA Enforcement Records 11