|
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 air quality rules affecting the steel industry.
|
2023 |
2025-EPA-04883 |
0005902
|
1 |
|
EPA FOIA record 2025-EPA-04883 discusses the cost-effectiveness of metal HAP controls, asserting that the President has discretion under Section 112(i)(4) to determine technology availability, citing significant cost estimates exceeding EPA expectations.
|
2023 |
2025-EPA-04883 |
0005911
|
1 |
|
EPA's interim release dated September 10, 2025, discusses the challenges and costs associated with compliance for the revised mercury and particulate matter standards at the Oak Grove Power Plant, citing technological limitations and potential impacts on grid reliability.
|
2023 |
2025-EPA-04883 |
0005927
|
1 |
|
Bradley E. Tollerson, Vice President of Energy Supply at Otter Tail Power Company, submitted a request for exemption from MAI SKIR compliance for the Coyote Station, citing national security concerns related to power reliability for critical military installations in North Dakota.
|
2023 |
2025-EPA-04883 |
0005972
|
1 |
|
Indorama Ventures submitted comments on the EPA's proposed Final Rule regarding ethylene oxide emissions, detailing the challenges and costs associated with compliance, particularly concerning pressure relief devices and the elimination of delay of repair allowances.
|
2023 |
2025-EPA-04883 |
0005997
|
1 |
|
EPA's interim release regarding FOIA ID 2025-EPA-04883 discusses the agency's authority to revise emission standards under Section 7412(d)(6), criticizing the proposed tightening of the f-PM limit as arbitrary and capricious due to flawed evaluations.
|
2023 |
2025-EPA-04883 |
0006106
|
1 |
|
EPA denied Palen Montana's request for an extension of the comment period on the National Emissions Standards for Hazardous Air Pollutants on June 12, 2023, following a May 25, 2023 submission.
|
2023 |
2025-EPA-04883 |
0006115
|
1 |
|
Comments submitted to the EPA regarding the proposed 0.010 lb/MMBtu fPM limit for coal-fired units, advocating for a subcategory for Colstrip and suggesting a more achievable limit of 0.025 lb/MMBtu.
|
2023 |
2025-EPA-04883 |
0006118
|
1 |
|
Comments submitted by Thomas Weissinger, Sr. Director of Environmental at Talen Energy, on June 23, 2023, regarding the EPA's Proposed Rule on PM CEMS requirements, emphasizing the unique circumstances of Colstrip Units 3 and 4.
|
2023 |
2025-EPA-04883 |
0006123
|
1 |
|
A June 23, 2023 letter from Burns & McDonnell to Gordon Criswell of Talen Montana outlines an analysis of potential cost impacts for complying with EPA's proposed Mercury and Air Toxics Standards at the Colstrip plant.
|
2023 |
2025-EPA-04883 |
0006128
|
1 |
|
Burns & McDonnell's June 23, 2023 report discusses particulate matter (fPM) compliance and potential control technologies for Colstrip power units, evaluating options to meet the proposed MATS limit of 0.010 lb fPM/mmBtu.
|
2023 |
2025-EPA-04883 |
0006129
|
1 |
|
A report by BMcD, dated June 23, 2023, outlines cost summaries and assumptions related to future conditions based on information from Talen, including capital and operational costs for emissions control options.
|
2023 |
2025-EPA-04883 |
0006132
|
1 |
|
A technical evaluation dated June 23, 2023, by Burns & McDonnell discusses particulate matter control options for scrubbers, including the effectiveness of wet and dry electrostatic precipitators (ESP) and fabric filters (FF) in managing emissions.
|
2023 |
2025-EPA-04883 |
0006130
|
1 |
|
Burns & McDonnell provided AACE Class 5 cost estimates for particulate control technology to Mr. Criswell on June 23, 2023, detailing project costs and methodologies used in the estimation process.
|
2023 |
2025-EPA-04883 |
0006131
|
1 |
|
A summary table from the EPA dated June 23, 2023, outlines capital and operational costs for various PM-10 control alternatives based on a 2022 emissions baseline, detailing costs in millions and emission reductions.
|
2023 |
2025-EPA-04883 |
0006133
|
1 |
|
Summary of capital, operation, and maintenance costs for particulate emissions control methods at Colstrip, detailing emission rates, reduction estimates, and associated costs as of June 23, 2023, under FOIA request 2025-EPA-04883.
|
2023 |
2025-EPA-04883 |
0006134
|
1 |
|
A summary table from the EPA dated June 23, 2023, outlines capital, operation and maintenance, and levelized costs for particulate emissions control methods at Colstrip, detailing emission rates, annual emissions, and associated costs.
|
2023 |
2025-EPA-04883 |
0006135
|
1 |
|
Summary of capital, operation and maintenance, and levelized costs for particulate emissions control methods at Colstrip, including emission rates and economic impacts, dated June 23, 2023, under FOIA ID 2025-EPA-04883.
|
2023 |
2025-EPA-04883 |
0006136
|
1 |
|
A letter dated June 23, 2023, from Burns & McDonnell Engineering Company, Inc. to Mr. Criswell offers assistance in an evaluation and provides contact information for follow-up with Associate Controls Specialist Doug Randall.
|
2023 |
2025-EPA-04883 |
0006137
|
1 |
|
NorthWestern Energy submitted comments on the Proposed Rule regarding Colstrip's compliance with pollution standards, detailing significant costs and implications for electrical service in Montana, dated September 10, 2025.
|
2023 |
2025-EPA-04883 |
0006140
|
1 |
|
NorthWestern Energy's comments on EPA's Proposed Rule express concerns about Environmental Justice impacts, noting that 25% of its service base is low income, and emphasize the need for EPA to evaluate these effects against the rule's health benefits.
|
2023 |
2025-EPA-04883 |
0006143
|
1 |
|
EPA FOIA request 2025-EPA-04883 includes a list of energy resources and contracts in Montana, detailing various hydro, wind, and solar projects along with their expiration dates.
|
2023 |
2025-EPA-04883 |
0006146
|
1 |
|
NorthWestern's transmission system, regulated by FERC, faces competition for available transfer capability among various customers, with no preference given to its own native load, as detailed in the interim release dated February 23, 2023.
|
2023 |
2025-EPA-04883 |
0006155
|
1 |
|
NorthWestern's report outlines challenges in increasing transmission capacity due to regulatory hurdles, environmental approvals, and the complexities of coordinating with multiple utilities and jurisdictions, as of January 27, 2023.
|
2023 |
2025-EPA-04883 |
0006156
|
1 |
|
NorthWestern Energy outlines three options to address unanticipated costs from the Proposed Rule, including potential closure of Colstrip, in a report dated 2023, detailing financial implications and risks associated with each scenario.
|
2023 |
2025-EPA-04883 |
0006158
|
1 |
|
NorthWestern Energy submitted comments on September 10, 2025, regarding the Proposed Rule's adverse impact on Colstrip, arguing it would require significant capital investments and violate the Clean Air Act's procedural requirements.
|
2023 |
2025-EPA-04883 |
0006160
|
1 |
|
Minnkota's request for an exemption from the revised MATS RTR due to the unavailability of necessary particulate matter technology by the July 6, 2027 compliance date cites estimated costs of $5 million and potential project timelines of up to 48 months.
|
2023 |
2025-EPA-04883 |
0006318
|
1 |
|
The EPA's interim release for FOIA request 2025-EPA-04883 discusses the technological limitations of PM Continuous Emission Monitoring Systems (CEMS) in meeting new emissions standards and the potential impacts on North Dakota's energy generation and national security.
|
2023 |
2025-EPA-04883 |
0006319
|
1 |
|
Minnkota Power Cooperative submitted a final report on particulate and mercury control technology evaluation and risk assessment for the proposed MATS rule, dated June 23, 2023, under project number A14559.010.
|
2023 |
2025-EPA-04883 |
0006339
|
1 |
|
Sargent & Lundy conducted an evaluation for Minnkota Power Cooperative on potential emissions reductions for filterable particulate matter and mercury at the Milton R. Young Station Unit 2 in response to proposed revisions to the Mercury and Air Toxics Standards published on April 24, 2023.
|
2023 |
2025-EPA-04883 |
0006340
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report evaluates particulate matter and mercury emissions from Milton R Young Station Unit 2, providing baseline emissions data from January 1, 2018, to December 31, 2022, as part of FOIA request 2025-EPA-04883.
|
2023 |
2025-EPA-04883 |
0006341
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 evaluation report assesses particulate matter control technologies for the Milton R Young Station Unit 2, focusing on options to meet proposed emissions limits under the April 24, 2023 MATS rule.
|
2023 |
2025-EPA-04883 |
0006342
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report evaluates various options for enhancing the performance of the Milton R Young Station Unit 2's electrostatic precipitator (ESP), including power supply upgrades and additional ESP casings, but concludes that none would achieve the desired particulate matter emission limits.
|
2023 |
2025-EPA-04883 |
0006343
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report outlines the planned rebuild of the Milton R Young Station Unit 2's electrostatic precipitators (ESPs), including structural assessments and potential emission reduction strategies.
|
2023 |
2025-EPA-04883 |
0006344
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report details the design considerations and emission projections for a proposed baghouse at the Milton R Young Station, including a projected PM emission limit of 0.010 lb/MMBtu.
|
2023 |
2025-EPA-04883 |
0006345
|
1 |
|
Minnkota Power Cooperative's report dated June 23, 2023, outlines estimated timelines for particulate and mercury control technology evaluations related to the Proposed MATS RTR, noting significant supply chain delays affecting equipment lead times.
|
2023 |
2025-EPA-04883 |
0006346
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report evaluates mercury emissions and coal quality variability from the Center Mine, detailing capture efficiencies of different emission control technologies and limitations of existing systems.
|
2023 |
2025-EPA-04883 |
0006348
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report evaluates mercury control strategies for the Milton R Young Station Unit 2, discussing the feasibility of achieving a 1.2 lb/TBtu Hg emission rate and necessary modifications for compliance.
|
2023 |
2025-EPA-04883 |
0006349
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report evaluates mercury emissions control technologies and operational changes for the Milton R Young Station, addressing PAC injection and WFGD re-emission control strategies.
|
2023 |
2025-EPA-04883 |
0006350
|
1 |
|
Minnkota Power Cooperative's June 23, 2023 report outlines the need for additional testing to determine the feasibility of achieving a 1.2 lb/TBtu mercury emission rate for the Milton R Young Station Unit 2, detailing various testing conditions and methodologies.
|
2023 |
2025-EPA-04883 |
0006351
|
1 |
|
Minnkota Power Cooperative's June 23, 2023, evaluation report assesses the PM and Hg control technologies at Milton R Young Station Unit 2, indicating that existing technologies cannot meet the proposed emissions limits set by the April 24, 2023, MATS rule.
|
2023 |
2025-EPA-04883 |
0006352
|
1 |
|
A memorandum from Ralph L. Roberson of RLR Consulting to Rae Cronmiller, dated 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 |
0006354
|
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 |
0006355
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses EPA's decision to increase the PM emission limit in the Portland Cement rule and the challenges of using PM CEMS for low PM concentrations.
|
2023 |
2025-EPA-04883 |
0006357
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses the challenges and costs associated with PM Continuous Emission Monitoring Systems (CEMS) in relation to EPA's proposed emissions limits for new electric generating units (EGUs) under FOIA ID 2025-EPA-04883.
|
2023 |
2025-EPA-04883 |
0006358
|
1 |
|
Memo from Rae Cronmiller dated June 16, 2023, discusses cost estimates for compliance with MATS PM emission limits, including discrepancies with EPA's cost assessments and the cessation of EPRI-funded research on the Qualitative Aerosol Generator.
|
2023 |
2025-EPA-04883 |
0006359
|
1 |
|
A June 16, 2023 memo from Rae Cronmiller critiques an EPA memorandum regarding random error impacts on emission limits, arguing for the retention of quarterly stack testing over PM CEMS due to flawed technical justifications.
|
2023 |
2025-EPA-04883 |
0006360
|
1 |
|
EPA's interim release for FOIA request 2025-EPA-04883 includes a summary table detailing estimated costs and compliance rates for mercury removal systems at lignite facilities, noting significant financial implications for Minnkota and its cooperatives.
|
2023 |
2025-EPA-04883 |
0006383
|
1 |
|
EPA FOIA record 2025-EPA-04883 discusses the immediate need for Minnkota to upgrade its electrostatic precipitator (ESP) to comply with the new fPM Limitation, detailing timelines and vendor availability for compliance efforts.
|
2023 |
2025-EPA-04883 |
0006387
|
1 |
|
A cost analysis report detailing additional expenses for mercury control at MRY Unit 2, estimating total costs of $13,799,500, including $1,600,000 for potassium iodide and $175,000 for a feasibility study, dated 2023.
|
2023 |
2025-EPA-04883 |
0006397
|
1 |
|
EPA's evaluation of fPM emission rates from coal-fired EGUs in 2022, including concerns from Talon Montana regarding data selection, exclusion of certain units, and the need for a comprehensive analysis, as outlined in FOIA request 2025-EPA-04883.
|
2022 |
2025-EPA-04883 |
0006108
|
1 |
|
EPA's interim release for FOIA ID 2025-EPA-04883 details the agency's court-ordered reviews of coke oven regulations, including the issuance of information collection requests in 2022 and the complexities surrounding the proposed and final rules due by 2024.
|
2022 |
2025-EPA-04883 |
0005737
|
1 |
|
Declaration by Chris Meyers, Environmental Affairs Manager at Dcnka Performance Elastomer, dated September 10, 2025, requesting a two-year extension for compliance with EPA's Section 112(f) emission control requirements following the April 9, 2024, Final Rule.
|
2022 |
2025-EPA-04883 |
0005837
|
1 |
|
Summary of opinions from DPE regarding the feasibility of implementing Section 112(f) Control Projects at their Facility, stating that compliance cannot be achieved within 90 days and will require at least two years.
|
2022 |
2025-EPA-04883 |
0005838
|
1 |
|
EPA FOIA ID 2025-EPA-04883 includes a report detailing the design considerations for a new thermal oxidizer (TO) at a facility, addressing emission standards, bypass lines, and the need for additional time to test for dioxins and furans.
|
2022 |
2025-EPA-04883 |
0005846
|
1 |
|
EPA FOIA ID 2025-EPA-04883 details DPE's emission reduction strategies and compliance efforts, including a significant 85% reduction from 2016 to 2018 and ongoing voluntary measures since May 2022.
|
2022 |
2025-EPA-04883 |
0005852
|
1 |
|
Indorama requests an extension of the compliance period for Emission Control Projects at the Port Neches Facility until July 15, 2028, asserting that normal operations do not pose imminent endangerment.
|
2022 |
2025-EPA-04883 |
0006007
|
1 |
|
A performance test report from Talen Montana details measures taken at the Colstrip facility to optimize scrubber and combustion processes for compliance with particulate matter limits, noting annual emissions of approximately 0.022 lb/MMBtu in 2022.
|
2022 |
2025-EPA-04883 |
0006102
|
1 |
|
EPA's analysis of emission reductions from Colstrip power plant operations is critiqued for overestimating potential reductions and underestimating costs, particularly in light of the Inflation Reduction Act, as detailed in a memo dated September 10, 2025.
|
2022 |
2025-EPA-04883 |
0006113
|
1 |
|
A 2022 analysis by B&M estimates the annualized costs for a new facility at Colstrip to range from $90.3M to $104.9M, significantly exceeding EPA's estimate of $538M, with detailed cost-effectiveness evaluations for various control options.
|
2022 |
2025-EPA-04883 |
0006117
|
1 |
|
NorthWestern's report details that in 2022, 59% of its electric generation came from carbon-free resources, significantly higher than the national average of 40% for the U.S. electric power industry.
|
2022 |
2025-EPA-04883 |
0006147
|
1 |
|
NorthWestern Energy submitted comments on the Proposed Rule under FOIA ID 2025-EPA-04883, arguing that the rule's reliance on policy changes rather than technological advancements violates Section 112 of the Clean Air Act and may face legal challenges.
|
2022 |
2025-EPA-04883 |
0006161
|
1 |
|
EPA FOIA record 2025-EPA-04883 discusses Minnkota's testing of mercury reduction systems at MRY 1, indicating that lignite plants must remove up to 95% of mercury to comply with new limits based on 2022 data.
|
2022 |
2025-EPA-04883 |
0006376
|
1 |
|
The EPA FOIA record 2025-EPA-04883 discusses the anticipated job losses and economic impacts on the North Dakota community due to the MATS RTR, affecting Minnkota and BNI Coal, with significant consequences for local employment and ancillary industries.
|
2021 |
2025-EPA-04883 |
0006392
|
1 |
|
A letter from the American Chemistry Council and the American Fuel & Petrochemicals Manufacturers, dated September 10, 2025, addresses concerns regarding the HON Rule's compliance requirements and their impact on Celanese facilities in Virginia and Texas.
|
2021 |
2025-EPA-04883 |
0005980
|
1 |
|
Email correspondence from Bryan Michael Allen to the EPA's AirAction mailbox on March 31, 2025, requesting a two-year exemption for Trinity Sterile, Inc. from Ethylene Oxide Emissions Standards under Section 112(i)(4) of the Clean Air Act.
|
2021 |
2025-EPA-04883 |
0005408–0005409
|
2 |
|
SunCoke's patented heat recovery cokemaking process, recognized by the EPA as the most environmentally friendly method, supports U.S. steelmakers in reducing greenhouse gas emissions while producing 37% of the domestic metallurgical coke supply.
|
2021 |
2025-EPA-04883 |
0005680
|
1 |
|
EPA's analysis for proposed pushing emission limits criticized the use of data from closed facilities and the technical infeasibility of installing additional controls on mobile hot cars, citing specific operational challenges and outdated testing methods.
|
2021 |
2025-EPA-04883 |
0005705
|
1 |
|
SunCoke Energy, Inc. submitted comments on May 22, 2021, regarding the Proposed Rule for IINR facilities, expressing concerns about unnecessary requirements and flawed assumptions, as communicated by counsel Heidi P. Knight.
|
2021 |
2025-EPA-04883 |
0005730
|
1 |
|
A September 2, 2021 memorandum from the EPA discusses the need to reconsider its interpretation of the Clean Air Act regarding MACT floor emission limits, particularly in light of the Supreme Court's June 2024 ruling in Loper Bright that affects agency deference.
|
2021 |
2025-EPA-04883 |
0005748
|
1 |
|
EPA's interim release discusses challenges with PM Continuous Emission Monitoring Systems (CEMS) for coal-fired units, emphasizing issues with QA-QC criteria and calibration procedures at low emission levels.
|
2021 |
2025-EPA-04883 |
0006120
|
1 |
|
The report discusses the transmission paths in Montana, particularly Path 8 and Path 80, detailing their total transfer capability and issues with available transmission capacity and congestion.
|
2021 |
2025-EPA-04883 |
0006153
|
1 |
|
The North Dakota Transmission Authority's report discusses the economic impacts and public health risks associated with generator retirements and demand growth, emphasizing the importance of reliable energy for military and emergency services.
|
2021 |
2025-EPA-04883 |
0006320
|
1 |
|
A letter from Robert L. McLennan, President & CEO of Minnkota Power Cooperative, dated April 1, 2021, requests a two-year exemption for the Young Station from MATS RTR compliance requirements, citing the importance of reliable power for North Dakota's military installations.
|
2021 |
2025-EPA-04883 |
0006321
|
1 |
|
NorthWestern Energy submitted comments to the EPA on September 10, 2025, urging the withdrawal of the Proposed Rule under the Clean Air Act and advocating for specific exemptions and a retirement subcategory for certain facilities.
|
2020 |
2025-EPA-04883 |
0006142
|
1 |
|
EPA's interim release regarding FOIA ID 2025-EPA-04883 discusses the agency's rationale for proposing new Maximum Achievable Control Technology (MACT) limits based on its interpretation of LEAN v. EPA, emphasizing the need for comprehensive emissions data in establishing these standards.
|
2020 |
2025-EPA-04883 |
0005702
|
1 |
|
SunCoke's comment letter on the EPA's Final Rule, dated September 10, 2025, critiques the agency's expedited process and argues that the new emission limits are based on unreliable data and violate procedural rights.
|
2020 |
2025-EPA-04883 |
0005740
|
1 |
|
EPA's interim release on September 10, 2025, discusses the approval of alternative methods for measuring acid gases but acknowledges the lack of an approved method for HCN emissions from mobile hot cars, impacting SunCoke's compliance.
|
2020 |
2025-EPA-04883 |
0005756
|
1 |
|
SunCoke's comments on the EPA's Proposed Rule criticized the establishment of new MAC-I floor emission limits as arbitrary, citing the agency's own findings that existing emissions posed acceptable risks and arguing that the limits would impose significant costs.
|
2020 |
2025-EPA-04883 |
0005763
|
1 |
|
M Freeport-McMoRan's request for a Presidential Exemption under Section 112(i)(4) outlines the statutory requirements and argues that compliance with the Copper Rule is not feasible due to high costs and limited technology availability.
|
2020 |
2025-EPA-04883 |
0005910
|
1 |
|
The 2023 Critical Materials Assessment by the Department of Energy identifies copper as a near-critical material, projecting a doubling of global copper demand by 2035 due to the energy transition and increased electrification.
|
2020 |
2025-EPA-04883 |
0005916
|
1 |
|
EPA FOIA record 2025-EPA-04883 discusses the strategic importance of copper to national security and economic stability, referencing Executive Orders aimed at enhancing domestic mineral production and reducing reliance on foreign sources.
|
2020 |
2025-EPA-04883 |
0005915
|
1 |
|
EPA finalized the MATS RTR on May 22, 2020, determining that residual risks from coal-fired and oil-fired EGUs were acceptable, but later revised the standards on May 7, 2024, to lower PM and mercury emissions, with compliance deadlines set for July 6, 2027.
|
2020 |
2025-EPA-04883 |
0005966
|
1 |
|
Talen Montana submitted comments to the EPA regarding proposed amendments to the MATS rule, emphasizing the economic importance of Colstrip for reliable electricity in Montana and requesting reconsideration of stricter fPM limits.
|
2020 |
2025-EPA-04883 |
0006104
|
1 |
|
EPA finalized the MATS Residual Risk and Technology Review (RTR) on May 7, 2024, lowering the fPM emission standard and tightening mercury emissions limits for lignite-fired electric generating units, reversing previous 2012 requirements.
|
2020 |
2025-EPA-04883 |
0006314
|
1 |
|
On April 17, 2019, Golden Valley Electric Association submitted comments to the EPA regarding the reconsideration of National Emission Standards for Hazardous Air Pollutants, specifically addressing 40 CFR 63 Subpart UUUUU.
|
2019 |
2025-EPA-04883 |
0005616
|
1 |
|
Golden Valley Electric Association submitted comments on February 7, 2019, regarding the EPA's proposed revisions to the National Emission Standards for Hazardous Air Pollutants, specifically requesting the rescission of MATS for the Healy Power Plant in Alaska.
|
2019 |
2025-EPA-04883 |
0005617
|
1 |
|
Comments from GVEA dated April 16, 2019, discuss the challenges of complying with the MATS mercury limit for EU ID 2, including operational costs and monitoring system limitations.
|
2019 |
2025-EPA-04883 |
0005618
|
1 |
|
Comments from GVEA dated April 16, 2019, address inconsistencies in EPA's MATS rule compliance for Alaska, citing specific regulatory exclusions and provisions tailored to the state's unique air quality issues.
|
2019 |
2025-EPA-04883 |
0005619
|
1 |
|
Comments submitted by GVEA on April 16, 2019, request the rescission of the MATS rule for Healy Power Plant EU IDs 1 and 2 in Alaska due to insufficient data on costs and emissions control.
|
2019 |
2025-EPA-04883 |
0005620
|
1 |
|
Letter from H. Knight of Beveridge & Diamond, P.C. to EPA dated October 2, 2023, requests a stay of the Final Rule and compliance deadlines regarding coke oven emissions standards, citing SunCoke's environmental practices and ongoing litigation.
|
2019 |
2025-EPA-04883 |
0005736
|
1 |
|
EPA correspondence discusses concerns from Elite Spice regarding the NESHAP compliance timeline and the reliance on Ethylene Oxide for spice sterilization, citing public health risks and challenges in implementing alternative technologies.
|
2019 |
2025-EPA-04883 |
0005879
|
1 |
|
The National Lime Association requested a two-year extension of the compliance date for the Lime Rule National Emission Standards for Hazardous Air Pollutants, citing lime's essential role in public health and various industries, in a communication dated 2025.
|
2019 |
2025-EPA-04883 |
0006025
|
1 |
|
William C. Herz, Executive Director of the National Lime Association, submitted a request for a two-year extension of the compliance date for the Lime Rule National Emission Standards for Hazardous Air Pollutants, citing national security interests related to lime's essential uses, dated 2019.
|
2019 |
2025-EPA-04883 |
0006056
|
1 |
|
NorthWestern Energy submitted its 2019 Electricity Resource Procurement Plan to the Montana Public Service Commission, detailing its diverse generation portfolio and future resource plans, including a 2023 Integrated Resource Plan.
|
2019 |
2025-EPA-04883 |
0006145
|
1 |
|
The 2019 Electricity Supply Resource Procurement Plan from NorthWestern indicates that despite improvements in generation capacity, the company often lacks sufficient reliable capacity during peak load periods, necessitating market purchases to meet customer demand.
|
2019 |
2025-EPA-04883 |
0006148
|
1 |
|
Comments from GVEA regarding the technical infeasibility of meeting the amended mercury emissions standard at Healy Unit 1 and Unit 2, citing challenges with PM CEMS and mercury monitoring equipment, dated March 2025, FOIA ID 2025-EPA-04883.
|
2018 |
2025-EPA-04883 |
0005599
|
1 |
|
Comments submitted by Golden Valley Electric Association regarding Docket ID No. EPA-HQ-OAR-2018-0794, dated June 23, 2023, are included in this interim release of FOIA request 2025-EPA-04883.
|
2018 |
2025-EPA-04883 |
0005609
|
1 |
|
Comments submitted by Golden Valley Electric Association regarding Docket ID No. EPA-HQ-OAR-2018-0794 on April 17, 2019, as part of FOIA request 2025-EPA-04883.
|
2018 |
2025-EPA-04883 |
0005615
|
1 |
|
EPA's interim release dated September 10, 2025, discusses concerns regarding the agency's proposal for Fenceline Monitoring of benzene emissions from coke oven batteries, questioning its legality and relevance under the Clean Air Act.
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2018 |
2025-EPA-04883 |
0005714
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1 |