|
Declaration by John D. Hines, Vice President of NorthWestern Energy, filed on June 27, 2024, in support of a motion to stay the EPA's Proposed MATS2 Rule regarding emissions standards for coal and oil-fired electric utility units.
|
2024 |
2025-EPA-04883 |
0006257
|
1 |
|
A declaration filed on June 27, 2024, in USCA Case #24-1190 discusses NorthWestern's evaluation of the MATS2 Rule's impact on its ownership of the Colstrip Steam Electric Station in Montana, including potential closure scenarios.
|
2024 |
2025-EPA-04883 |
0006259
|
1 |
|
Comments submitted by NorthWestern on August 8, 2023, regarding New Source Performance Standards for Greenhouse Gas Emissions, including attachments labeled as NorthWestern GHG Rule Comments, are referenced in USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006258
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the potential closure of Colstrip Units 3 & 4 and its impact on Montana's electrical grid reliability, along with EPA's interpretation of regulatory authorities regarding the MATS and GHG Rules.
|
2024 |
2025-EPA-04883 |
0006261
|
1 |
|
A declaration filed in USCA Case #24-1190 on June 27, 2024, discusses NorthWestern's acquisition of Avista's shares in Colstrip Units 3 & 4 and the financial implications of compliance with the MATS2 Rule.
|
2024 |
2025-EPA-04883 |
0006262
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's inability to operate Colstrip beyond December 31, 2031, under the CiHCi Rule, citing astronomical compliance costs and imprudent investment risks.
|
2024 |
2025-EPA-04883 |
0006263
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's regulatory processes for electricity rate increases, detailing the requirements for cost recovery and the impact of regulatory lag on the company's creditworthiness.
|
2024 |
2025-EPA-04883 |
0006264
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the Michigan Public Service Commission's approval of a 28% increase in residential electricity rates and the financial implications for NorthWestern due to compliance costs associated with the MAIS2 and MATS2 Rules.
|
2024 |
2025-EPA-04883 |
0006265
|
1 |
|
NorthWestern's filing in USCA Case #24-1190 on June 27, 2024, discusses the implications of the MATS2 Rule on its upcoming rate case and the potential financial impacts on ratepayers and electric grid reliability related to the closure of the Colstrip facility.
|
2024 |
2025-EPA-04883 |
0006266
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's electricity supply and balancing authority responsibilities in Montana, including its inability to replace Colstrip's capacity and compliance with Montana Public Service Commission objectives.
|
2024 |
2025-EPA-04883 |
0006267
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's legal obligations as a regulated public utility in Montana to provide reliable and cost-effective electricity while minimizing environmental impacts.
|
2024 |
2025-EPA-04883 |
0006268
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's electricity supply resources, including its diverse generation portfolio with significant renewable capacity and market exposure risks.
|
2024 |
2025-EPA-04883 |
0006270
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes details on NorthWestern's generation capacity acquisitions, including 222-MW at Colstrip starting in 2026 and the Yellowstone County Generating Station operational by July 1, 2024.
|
2024 |
2025-EPA-04883 |
0006271
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's Integrated Resource Plan, outlining its competitive solicitation process for energy resources and the necessity of balancing electricity generation and consumption.
|
2024 |
2025-EPA-04883 |
0006269
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 includes details on Powercx and Heartland solar resources, comparing nameplate and accredited capacities of NorthWestern's wind and hydroelectric generation assets.
|
2024 |
2025-EPA-04883 |
0006272
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's renewable energy generation, noting that 56% of its electric generation was from carbon-free resources in 2021, compared to 42% nationally.
|
2024 |
2025-EPA-04883 |
0006273
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the challenges of electricity generation in Montana due to extreme weather, high demand, and reliance on volatile market purchases.
|
2024 |
2025-EPA-04883 |
0006274
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the limitations of Montana's transmission system and the impact of power plant closures on electricity availability for NorthWestern's customers.
|
2024 |
2025-EPA-04883 |
0006275
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses anticipated retirements of significant power generation units in the Pacific Northwest, including Centralia Unit 2 and North Valmy Unit 2, leading to concerns over electrical reliability.
|
2024 |
2025-EPA-04883 |
0006276
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's electricity supply planning challenges, including reliance on market purchases and the selection of the Yellowstone County Generating Station through a 2020 RFP.
|
2024 |
2025-EPA-04883 |
0006277
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the limitations of battery storage for addressing peak demand in Montana's energy system, comparing it to California's requirements.
|
2024 |
2025-EPA-04883 |
0006278
|
1 |
|
USCA Case #24-1190, filed on June 27, 2024, details the January 2024 cold weather event in Montana, noting energy price surges and NorthWestern's dependence on market purchases to fulfill customer demand.
|
2024 |
2025-EPA-04883 |
0006280
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the impact of wind generation variability on electricity supply stability and highlights the reliance on thermal generation during the Winter of 2023-2024.
|
2024 |
2025-EPA-04883 |
0006279
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the implications of plant closures on electricity capacity and the risk of rolling blackouts in Montana, referencing the critical role of Colstrip in voltage maintenance.
|
2024 |
2025-EPA-04883 |
0006281
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the challenges NorthWestern faces in replacing 444 MW of capacity in Montana by July 2027 due to regulatory and timing constraints, emphasizing environmental justice and the limitations of renewable energy.
|
2024 |
2025-EPA-04883 |
0006282
|
1 |
|
EPA's response to NorthWestern's comments on the MATS2 Proposed Rule discusses the challenges of replacing Colstrip's capacity before the mid-2030s and mentions NorthWestern's participation in the Western Resource Adequacy Program for grid reliability.
|
2024 |
2025-EPA-04883 |
0006283
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's compliance issues related to the Colstrip facility and the implications of EPA's invocation of Federal Power Act section 202(e) for pollution control deadlines.
|
2024 |
2025-EPA-04883 |
0006284
|
1 |
|
A declaration by John D. Hines, submitted under penalty of perjury, affirming the truthfulness of the contents related to USCA Case #24-1190, dated June 27, 2024.
|
2024 |
2025-EPA-04883 |
0006285
|
1 |
|
Mercury testing results for the MATS Residual Risk and Technology Review from Minnkota Power Cooperative, dated May 22, 2024, were submitted under FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006323
|
1 |
|
Sargent & Lundy prepared a report for Minnkota Power Cooperative on May 22, 2024, evaluating mercury emissions reductions at the Milton R. Young Station in response to the April 24, 2023, proposed amendments to the Mercury and Air Toxics Standards.
|
2024 |
2025-EPA-04883 |
0006324
|
1 |
|
Minnkota Power Cooperative submitted a report on May 22, 2024, detailing mercury testing results and fuel additive application rates for Milton R Young Station Units 1 and 2, as part of FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006325
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report details mercury emissions control strategies for the Milton R. Young Station, emphasizing the feasibility of over 90% Hg removal using brominated activated carbon at specified injection rates.
|
2024 |
2025-EPA-04883 |
0006327
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report details a test campaign for Milton R. Young Station Units 1 and 2, conducted from November 2023 to April 2024, evaluating mercury emissions and fuel additive systems, concluding that the units cannot meet the proposed MATS limit of 1.2 lb/TBtu.
|
2024 |
2025-EPA-04883 |
0006326
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report details mercury removal efficiency and inlet concentrations for Milton R Young Station Units 1 and 2, referencing EPA's updated estimates based on 2022 data.
|
2024 |
2025-EPA-04883 |
0006328
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report on mercury removal performance at Milton R. Young Station indicates that current brominated PAC injection rates may not achieve the EPA's 90% removal efficiency target, suggesting further investigation into alternative mercury control options.
|
2024 |
2025-EPA-04883 |
0006331
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report discusses the need for further analysis and modifications to improve mercury control at the Milton R. Young Station, noting that current assumptions in the Final Rule are inadequate.
|
2024 |
2025-EPA-04883 |
0006332
|
1 |
|
EPA's May 22, 2024, report on Minnkota Power Cooperative's Milton R Young Station Units 1 and 2 details flaws in cost analysis for mercury compliance, including discrepancies in estimated sorbent injection rates and costs.
|
2024 |
2025-EPA-04883 |
0006333
|
1 |
|
EPA's May 22, 2024 report details cost estimates for fuel additives at Minnkota Power Cooperative's Milton R. Young Station, indicating significant discrepancies in projected versus actual costs for compliance with mercury emissions standards.
|
2024 |
2025-EPA-04883 |
0006334
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report outlines the need for new equipment and a separate silo for Milton R. Young Station Unit 2 to achieve higher PAC injection rates for mercury control, estimating significant costs not accounted for by the EPA.
|
2024 |
2025-EPA-04883 |
0006336
|
1 |
|
Minnkota Power Cooperative's May 22, 2024 report outlines cost underestimations for mercury compliance at the Milton R Young Station Units 1 and 2, detailing current and future costs and effectiveness metrics.
|
2024 |
2025-EPA-04883 |
0006337
|
1 |
|
Minnkota Power Cooperative's May 22, 2024, report details that the Milton R. Young Station cannot achieve the EPA's proposed mercury emission standard of 1.2 lb/TBtu without significant equipment modifications and additional costs.
|
2024 |
2025-EPA-04883 |
0006335
|
1 |
|
A declaration supporting motions to stay against the EPA's National Emission Standards for Hazardous Air Pollutants, specifically the Mercury and Air Toxics Standards Risk and Technology Review, submitted by Minnkota, a North Dakota electric cooperative, on September 10, 2025.
|
2024 |
2025-EPA-04883 |
0006363
|
1 |
|
The EPA's May 22, 2024 report outlines revisions to the MATS RTR, including new mercury limits for lignite-fired power plants and reduced limits for filterable particulate matter, with compliance required within three years of the final rule's effective date.
|
2024 |
2025-EPA-04883 |
0006369
|
1 |
|
The MATS RTR mandates Continuous Emission Monitoring Systems (CEMS) for compliance with the fPM limit and notes significant variability in mercury content in lignite coal compared to typical coal-fired power plants.
|
2024 |
2025-EPA-04883 |
0006370
|
1 |
|
Final Rule documents from the EPA detail multiple environmental regulations affecting coal-fired generation in North Dakota, including greenhouse gas emission standards and hazardous waste management, published in the Federal Register in May 2024.
|
2024 |
2025-EPA-04883 |
0006390
|
1 |
|
The North Dakota Transmission Authority's April 3, 2024 analysis warns that the EPA's MATS RTR could lead to significant economic losses and public health risks due to potential power grid failures.
|
2024 |
2025-EPA-04883 |
0006391
|
1 |
|
A declaration under penalty of perjury was executed by an unnamed individual in 2024, affirming the truthfulness of the information provided in the Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006400
|
1 |
|
The Environmental Protection Agency's interim release for FOIA request 2025-EPA-04883 discusses Denka Performance Elastomer's challenges in meeting Section 112 emissions standards, citing the need for additional time and technology to comply.
|
2024 |
2025-EPA-04883 |
0006405
|
1 |
|
Denka Performance Elastomer LLC submitted a request for a Presidential Exemption under Section 112(i)(4) of the Clean Air Act to extend the compliance deadline for its Neoprene Production Facility in LaPlace, Louisiana, from July 15, 2026, to July 15, 2028.
|
2024 |
2025-EPA-04883 |
0006404
|
1 |
|
Mr. Jeffrey R. Holmstead of DPE requests a two-year extension for compliance with CAA Section 112 standards for the Neoprene Production Facility in LaPlace, Louisiana, citing national security interests due to the facility's unique role in supplying neoprene.
|
2024 |
2025-EPA-04883 |
0006406
|
1 |
|
On September 10, 2025, Denka Performance Elastomer LLC submitted a request to the EPA for a Presidential Exemption to extend compliance deadlines for the HON Rule related to its Neoprene Production Facility in LaPlace, Louisiana.
|
2024 |
2025-EPA-04883 |
0006418
|
1 |
|
Chris Meyers' declarations detail the need for a 30-36 month extension for DPE to comply with EPA's chloroprene emissions Rule, citing the impracticality of meeting the one-ton-per-year cap and the absence of feasible control technology.
|
2024 |
2025-EPA-04883 |
0006420
|
1 |
|
Meeting request form dated February 27, 2025, for Peter Tsirigotis to discuss the EPA's 2024 Commercial Sterilizers NESHAP RTR rulemaking and compliance extension, with key invitees listed from OAQPS and OGC.
|
2024 |
2025-EPA-04883 |
0007789–0007790
|
2 |
|
Meeting request form dated February 27, 2025, for Peter Tsirigotis to discuss the EPA's 2024 Commercial Sterilizers NESHAP RTR rulemaking and compliance extension, with key invitees listed from OAQPS and OGC.
|
2024 |
2025-EPA-04883 |
0007950
|
1 |
|
On March 28, 2024, Steve Friend, Plant Manager of American Bituminous Power Partners, L.P., submitted a request to EPA Administrator Lee Zeldin for a compliance extension until July 6, 2029, regarding emission standards for the Grant Town Power Plant.
|
2024 |
2025-EPA-04883 |
0012766–0012768
|
3 |
|
On May 30, 2025, Giovanni R. Sanchez Cruz of Steri-Tech Inc requested a two-year exemption from emission standards under the Clean Air Act for the Sterilizer Rule, citing technology availability issues and potential impacts on medical device supply.
|
2024 |
2025-EPA-04883 |
0014902
|
1 |
|
A March 17, 2025 letter from Meibao Zhuang, Senior Manager of the Ethylene Oxide Sterilization Association, to EPA Administrator Lee Zeldin requests urgent action on the Sterilizer Rule's emission standards, citing potential disruptions to the medical device supply chain.
|
2024 |
2025-EPA-04883 |
0014903–0014908
|
6 |
|
EPA's interim release for FOIA request 2025-EPA-04883 discusses the uncertain future of Colstrip, Montana, due to proposed regulations impacting coal generation and the economic consequences of potential closures.
|
2023 |
2025-EPA-04883 |
0006103
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report evaluates mercury emissions from the Milton R Young Station Unit 2, detailing mercury speciation and the impact of lignite coal variability on combustion performance.
|
2023 |
2025-EPA-04883 |
0006347
|
1 |
|
MEMO from Rae Cronmiller dated June 16, 2023, discusses challenges in regulating PM emissions from coal-fired EGUs and critiques EPA's proposed compliance testing methods and costs.
|
2023 |
2025-EPA-04883 |
0006356
|
1 |
|
NorthWestern Energy submitted comments on June 23, 2023, to EPA's Sarah Benish regarding proposed changes to the National Emissions Standards for Hazardous Air Pollutants, expressing concerns about potential impacts on Montana customers and environmental justice.
|
2023 |
2025-EPA-04883 |
0006139
|
1 |
|
A December 6, 2023 letter from Senators Sherrod Brown, J.D. Vance, and others to EPA Administrator Michael S. Regan expresses concerns over three proposed rules affecting the steel industry, arguing they could harm domestic production and national security.
|
2023 |
2025-EPA-04883 |
0020517–0020518
|
2 |
|
A December 18, 2023 letter from Eric A. Crawford and Frank Mrvan, Chair and Vice-Chair of the Congressional Steel Caucus, to EPA Administrator Michael S. Regan expresses concerns about proposed air pollution rules affecting the steel industry.
|
2023 |
2025-EPA-04883 |
0020521–0020522
|
2 |
|
Supplemental Declaration of Christopher Meyers, P.E., submitted on February 9, 2026, in U.S. District Court case 2:23-cv-735, discusses emission reductions at Denka Performance Elastomer LLC's facility and evaluates compliance challenges with EPA's Final Rule for chloroprene.
|
2023 |
2025-EPA-04883 |
0020626–0020631
|
6 |
|
On June 23, 2023, Golden Valley Electric Association submitted comments to the EPA regarding proposed changes to National Emission Standards for Hazardous Air Pollutants, addressing compliance issues and inconsistencies in the Federal Register notice.
|
2023 |
2025-EPA-04883 |
0005610
|
1 |
|
The June 23, 2023, document discusses proposed changes to 40 CFR 63.9984 affecting emissions standards for existing and new electric generating units (EGUs) and outlines cost implications for increased sampling requirements.
|
2023 |
2025-EPA-04883 |
0005611
|
1 |
|
On June 23, 2023, GVEA reported to the EPA that the lack of certified source testing firms in Alaska necessitates hiring out-of-state companies for emissions testing, significantly increasing costs and complicating compliance with mercury emissions limits.
|
2023 |
2025-EPA-04883 |
0005612
|
1 |
|
An EPA communication dated June 23, 2023, states that increasing sampling volume will not significantly enhance the accuracy of PM CEMS response compared to Method 5 measurements, related to FOIA request 2025-EPA-04883.
|
2023 |
2025-EPA-04883 |
0005614
|
1 |
|
On June 23, 2023, GVEA provided technical comments regarding the EPA's proposed Mercury and Air Toxics Standards Rule, addressing concerns about the adequacy of the database used for emissions standards and the achievability of proposed limits.
|
2023 |
2025-EPA-04883 |
0005613
|
1 |
|
Technical comments from RLR Consulting, LLC, dated June 16, 2023, regarding the EPA's proposed rule on Mercury and Air Toxics Standards, submitted under FOIA request 2025-EPA-04883.
|
2023 |
2025-EPA-04883 |
0005621
|
1 |
|
A memorandum from Ralph L. Roberson, P.E. to Rae Cronmiller on June 16, 2023, provides technical comments on the EPA's proposed revisions to the Mercury and Air Toxics Standards, focusing on the requirement for continuous emission monitoring systems.
|
2023 |
2025-EPA-04883 |
0005622
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses the legal basis for EPA's proposed elimination of quarterly stack testing for PM emissions and outlines issues with PM Continuous Emission Monitoring Systems (CEMS) technology.
|
2023 |
2025-EPA-04883 |
0005623
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses challenges in regulating PM emissions from coal-fired EGUs, emphasizing the impracticality of correlation testing and the potential need to eliminate PM CEMS in favor of quarterly stack testing.
|
2023 |
2025-EPA-04883 |
0005624
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses EPA's decision to increase emission limits and forgo PM CEMS in the Portland Cement rule due to measurement uncertainties and correlation requirements.
|
2023 |
2025-EPA-04883 |
0005625
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses the challenges of achieving EPA's proposed PM emissions limits and the inadequacy of PM CEMS for new EGUs, citing a lack of operational examples and concerns over measurement accuracy.
|
2023 |
2025-EPA-04883 |
0005626
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, critiques the EPA's Random Error Memo regarding PM CEMS compliance determination, arguing for the retention of quarterly stack testing due to flaws in the proposed changes.
|
2023 |
2025-EPA-04883 |
0005628
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, detailing cost estimates for compliance with MATS PM emission limits, including $260,000 for quarterly stack testing and $479,500 for PM CEMS, while disputing EPA's cost estimates and discussing the cessation of EPRI-funded research on the Qualitative Aerosol Generator.
|
2023 |
2025-EPA-04883 |
0005627
|
1 |
|
A letter from Westlake Chemical Corporation outlines its request for a two-year exemption from compliance deadlines under the HON Rule, citing national security implications and challenges in meeting new emission control requirements for its facilities.
|
2023 |
2025-EPA-04883 |
0005664
|
1 |
|
Beveridge & Diamond submitted comments on October 2, 2023, to the EPA regarding the Proposed Rule for National Emission Standards for Hazardous Air Pollutants for Coke Ovens, expressing concerns about the feasibility and adequacy of the comment period.
|
2023 |
2025-EPA-04883 |
0005676
|
1 |
|
SunCoke submitted comments on proposed EPA amendments, arguing they would increase emissions, harm domestic industries, and violate regulatory procedures, as outlined in FOIA request 2025-EPA-04883 dated September 10, 2025.
|
2023 |
2025-EPA-04883 |
0005678
|
1 |
|
A draft document discusses the differences between SunCoke's cokemaking process and byproduct coke manufacturing, arguing that the EPA's proposed emissions limits and monitoring practices are based on inaccurate comparisons, dated August 16, 2023.
|
2023 |
2025-EPA-04883 |
0005685
|
1 |
|
The EPA's interim release for FOIA ID 2025-EPA-04883 discusses SunCoke's emissions processes, asserting that coke oven emissions are fully combusted and not vented directly to the atmosphere, while detailing compliance with OSHA's monitoring standards.
|
2023 |
2025-EPA-04883 |
0005687
|
1 |
|
EPA's Proposed Rule for coke ovens, published on August 16, 2023, faced criticism from SunCoke for insufficient time to evaluate complex technical data and provide comments, despite the agency's decade-long development process.
|
2023 |
2025-EPA-04883 |
0005690
|
1 |
|
EPA's interim release for FOIA request 2025-EPA-04883 discusses the inadequacy of a 45-day comment period for proposed amendments to air quality standards, citing violations of the Clean Air Act and the Administrative Procedure Act.
|
2023 |
2025-EPA-04883 |
0005689
|
1 |
|
SunCoke requests a 45-day extension for public comment on EPA's proposed rule changes, arguing that the agency violated the APA by failing to publish the proposed rule language in the Federal Register and misclassifying its existing facilities as 'new sources'.
|
2023 |
2025-EPA-04883 |
0005691
|
1 |
|
EPA's interim release for FOIA request 2025-EPA-04883 details errors in cost-effectiveness calculations for mercury control measures and inadequate consideration of non-air quality health impacts related to proposed infrastructure upgrades at the Jewell site.
|
2023 |
2025-EPA-04883 |
0005699
|
1 |
|
EPA's interim release for FOIA request 2025-EPA-04883 discusses the erroneous reliance on cost-effectiveness thresholds from unrelated industries in proposed MACT limits for SunCoke's HNR facilities, asserting that the proposed limits are unnecessary and based on unreliable data.
|
2023 |
2025-EPA-04883 |
0005700
|
1 |
|
EPA proposed new MACT limits under CAA Sections 112(d)(2) and 112(d)(3) to comply with LEAN v. EPA, citing flaws in its data evaluation and asserting that existing standards adequately protect public health.
|
2023 |
2025-EPA-04883 |
0005701
|
1 |
|
SunCoke requests the EPA to set minimum sample volumes for emissions testing and argues against the necessity of benzene fenceline monitoring at IINR facilities, citing a lack of evidence for its requirement under Section 112.
|
2023 |
2025-EPA-04883 |
0005711
|
1 |
|
EPA's interim release on September 10, 2025, discusses the differences in fugitive emissions potential between Be and HNR facilities, citing operational design variations and referencing previous EPA acknowledgments regarding emissions monitoring and risks.
|
2023 |
2025-EPA-04883 |
0005713
|
1 |
|
A memorandum dated July 1, 2023, discusses SunCoke's monitoring practices for coke ovens, asserting that existing measures effectively meet EPA's COE limits without the need for additional regulations.
|
2023 |
2025-EPA-04883 |
0005723
|
1 |
|
SunCoke submitted comments on EPA's proposed amendments to 40 C.F.R. 63.301 and 63.7352, requesting changes to definitions related to heat recovery and non-recovery coke oven facilities, including a revision of the term 'bypass slack'.
|
2023 |
2025-EPA-04883 |
0005727
|
1 |
|
EPA's interim release for FOIA request 2025-EPA-04883 includes multiple attachments such as SunCoke's request for extension, EPA's denial, facility descriptions, and prior comments from SunCoke.
|
2023 |
2025-EPA-04883 |
0005731
|
1 |
|
EPA's interim release for FOIA ID 2025-EPA-04883 discusses the timeline and evaluations for Section 112(f) Control Projects at a facility, indicating that completion will take at least two years and summarizing DPE's comments submitted on July 7, 2023.
|
2023 |
2025-EPA-04883 |
0005839
|
1 |
|
EPA document outlines the requirement for a facility to install an additional thermal oxidizer to manage increased flow from chloroprene service, estimating a two-year timeline for design and construction due to compliance with new emission standards.
|
2023 |
2025-EPA-04883 |
0005842
|
1 |
|
A report discusses the installation of a condenser and steam stripper for chloroprene emissions control at DPE's facility, detailing the evaluation process and potential compliance challenges under the Final Rule.
|
2023 |
2025-EPA-04883 |
0005847
|
1 |
|
EPA FOIA request 2025-EPA-04883 discusses the need for at least two years to safely implement Section 112(f) Control Projects due to additional Section 112(d) requirements, emphasizing the infeasibility of a 90-day compliance period.
|
2023 |
2025-EPA-04883 |
0005850
|
1 |
|
A December 6, 2023 letter from U.S. Senators to EPA Administrator Michael S. Regan expresses concerns about three proposed rules on steel manufacturing emissions, arguing they could harm the domestic steel industry and national security.
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2023 |
2025-EPA-04883 |
0005870
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1 |
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On December 18, 2023, the Congressional Steel Caucus, led by its Chairman and Vice Chairman, expressed concerns to EPA Administrator Michael S. Regan regarding proposed emission standards that may threaten the competitiveness of the American steel industry.
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2023 |
2025-EPA-04883 |
0005876
|
1 |
|
A December 6, 2023 letter from U.S. Senators to EPA Administrator Michael Regan expresses concerns about three proposed rules on steel manufacturing, arguing they could harm the domestic steel industry and national security.
|
2023 |
2025-EPA-04883 |
0005896
|
1 |