|
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 submitted a report on May 22, 2024, detailing forecasted coal analyses and mercury emissions for the Milton R Young Station Units 1 and 2, including variability in coal quality and specific sampling results from March 2024.
|
2024 |
2025-EPA-04883 |
0006329
|
1 |
|
Minnkota Power Cooperative's report, dated May 22, 2024, details required mercury removal rates for Milton R. Young Station Units 1 and 2 based on lignite coal mercury content, emphasizing the need for over 90% control efficiency.
|
2024 |
2025-EPA-04883 |
0006330
|
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 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and does not include substantive record text.
|
2024 |
2024-EPA-05254 |
0000349
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and no substantive text.
|
2024 |
2024-EPA-05254 |
0000446
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains no substantive record text, as the content has been blocked.
|
2024 |
2024-EPA-05254 |
0000457
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and lacks substantive record text.
|
2024 |
2024-EPA-05254 |
0000550
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000559
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and lacks substantive record text.
|
2024 |
2024-EPA-05254 |
0000604
|
1 |
|
Preliminary schedule for the Independent Petroleum Association of America's 90th Annual Meeting from November 6-8, 2024, in Washington, D.C., featuring speakers such as U.S. Senator John Barrasso and Larry A. Kudlow.
|
2024 |
2024-EPA-05254 |
0000623–0000624
|
2 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains no substantive record text and only includes blocked content.
|
2024 |
2024-EPA-05254 |
0000651
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image and lacks substantive record text.
|
2024 |
2024-EPA-05254 |
0000660
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000664
|
1 |
|
A list of individuals and organizations involved in external communications related to Project 2025 at the EPA, including representatives from the American Forest & Paper Association and WestRock Company, dated March 2025.
|
2024 |
2024-EPA-05254 |
0000665–0000671
|
7 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000676
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains no substantive record text and includes only administrative markings.
|
2024 |
2024-EPA-05254 |
0000677
|
1 |
|
Administrative markings are present in this record, but it does not contain any substantive text.
|
2024 |
2024-EPA-05254 |
0000678
|
1 |
|
Sierra Club FOIA request 2024-EPA-05254 contains no substantive record text and includes only administrative markings.
|
2024 |
2024-EPA-05254 |
0000679
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but the record contains no substantive text.
|
2024 |
2024-EPA-05254 |
0000680
|
1 |
|
Topics for the May 15 meeting include the Navigable Water Protection Rule, EPA responses to the Supreme Court's County of Maui decision, New Source Review reforms, and a Memorandum of Understanding with the Nuclear Regulatory Commission.
|
2024 |
2024-EPA-05254 |
0000695
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked content image and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000697
|
1 |
|
A report titled 'Ethylene Oxide - An Essential Raw Material for Many Important Products' outlines various applications of ethylene oxide across industries including building, transportation, and health, as part of FOIA request 2024-EPA-05254.
|
2024 |
2024-EPA-05254 |
0000705
|
1 |
|
Figure 1 in FOIA request 2024-EPA-05254 illustrates that the Executive Order (EO) Uncertainty Reduction Evaluation (URE) ranks among the highest inhalation UREs for known or likely carcinogens.
|
2024 |
2024-EPA-05254 |
0000706
|
1 |
|
Invitation to the EPA Administrator to join the Federalist Society's virtual panel discussion titled 'The Future of Our Earth' on September 24, 2024, at 7pm ET, as part of a series addressing global challenges.
|
2024 |
2024-EPA-05254 |
0000755
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000766
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but contains no substantive record text.
|
2024 |
2024-EPA-05254 |
0000770
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings with no substantive record text.
|
2024 |
2024-EPA-05254 |
0000771
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but the record contains no substantive text.
|
2024 |
2024-EPA-05254 |
0000775
|
1 |
|
Authorization Agreement for Credit Card Payments from the Auto Alliance, detailing vendor information and payment terms, associated with FOIA request 2024-EPA-05254.
|
2024 |
2024-EPA-05254 |
0000778
|
1 |
|
Administrative markings related to FOIA request number 2024-EPA-05254 are present, but no substantive text is included in the record.
|
2024 |
2024-EPA-05254 |
0000795
|
1 |
|
Authorization Agreement for Credit Card Payments from the Auto Alliance includes vendor details and payment information, submitted under FOIA request 2024-EPA-05254.
|
2024 |
2024-EPA-05254 |
0000853
|
1 |
|
The EPA's Quarterly Compliance Proposal outlines a plan to modify the Renewable Fuel Standard (RFS) market mechanism to reduce RIN price volatility by requiring quarterly compliance from obligated parties, as detailed in FOIA request 2024-EPA-05254.
|
2024 |
2024-EPA-05254 |
0000919–0000925
|
7 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but the record contains no substantive text.
|
2024 |
2024-EPA-05254 |
0000934
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but the record contains no substantive text.
|
2024 |
2024-EPA-05254 |
0000935
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000943
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings and no substantive record text.
|
2024 |
2024-EPA-05254 |
0000944
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but the record contains no substantive text.
|
2024 |
2024-EPA-05254 |
0000945
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings and no substantive text.
|
2024 |
2024-EPA-05254 |
0000946
|
1 |
|
Analysis report prepared by Lowell L. Smith for the Utility Air Regulatory Group on the EPA's upper tolerance limit process for determining maximum hourly emissions rates for electric generating units, dated August 6, 2007, under FOIA ID 2024-EPA-05254.
|
2024 |
2024-EPA-05254 |
0001011–0001083
|
73 |
|
Email from Dan Byers of the U.S. Chamber of Commerce to Mandy Gunasekara at EPA on November 1, 2018, discussing updates on federal energy policy and the OMB's regulatory agenda.
|
2024 |
2024-EPA-05254 |
0001198–0001200
|
3 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings and no substantive record text.
|
2024 |
2024-EPA-05254 |
0001417
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains a blocked image file and no substantive record text.
|
2024 |
2024-EPA-05254 |
0001420
|
1 |
|
A report from the EPA, dated March 2025, details CO2 emissions data for various countries and regions, including the United States, with figures spanning from 1990 to 2024, as part of FOIA request 2024-EPA-05254.
|
2024 |
2024-EPA-05254 |
0001434–0001463
|
30 |
|
An invitation from the Edison Electric Institute and the Center for Climate and Energy Solutions for a dinner honoring U.S. Congressional and Administration officials at the COP-24 U.N. Climate Change Conference on December 10, 2018, in Katowice, Poland.
|
2024 |
2024-EPA-05254 |
0001543
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but the record contains no substantive text.
|
2024 |
2024-EPA-05254 |
0001593
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains only administrative markings with no substantive record text.
|
2024 |
2024-EPA-05254 |
0001594
|
1 |
|
FOIA request 2024-EPA-05254 pertains to external communications related to Project 2025 at the EPA, but contains no substantive record text.
|
2024 |
2024-EPA-05254 |
0001595
|
1 |
|
Email from Mandy Gunasekara to Kendal Barker and others, dated January 7, 2021, inviting recipients to the unveiling of former EPA Administrator Scott Pruitt's portrait on January 15, 2021, at the WJC Building.
|
2024 |
2024-EPA-05254 |
0001663
|
1 |
|
FOIA request 2024-EPA-05254 from the Sierra Club contains no substantive record text, as the content image has been blocked.
|
2024 |
2024-EPA-05254 |
0001689
|
1 |
|
A report prepared for the Biogenic CO2 Coalition by Dermot Hayes evaluates the land use impacts of proposed reforms to EPA's CO2 emissions permitting programs, estimating a global increase in corn demand and associated land use changes.
|
2024 |
2024-EPA-05254 |
0001769–0001777
|
9 |
|
Attachment 2 of FOIA request 2024-EPA-05254 details the strategic importance and operational specifics of the Bauer M & D digester technology used at the Mackenzie facility, including its capacity and environmental benefits.
|
2024 |
2024-EPA-05254 |
0002033–0002050
|
18 |
|
On June 13, 2001, Teddy V. Le from the Washington Department of Ecology informed Kevin Scott of Boise Cascade that the No. 1 M&D Digester pocket feeder vent is not subject to LVHC collection requirements under 40 CFR 63.443.
|
2024 |
2024-EPA-05254 |
0002051–0002052
|
2 |
|
Email from Penny Lassiter at EPA to Bill Dameworth of Pope and Talbot on April 21, 1998, discussing industry inquiries regarding Cluster Rules and the compilation of guidance documents related to chip steamers.
|
2024 |
2024-EPA-05254 |
0002053–0002054
|
2 |
|
Notice of Violation issued by the EPA to Packaging Corporation of America, Inc. on August 2024, alleging violations of the Clean Air Act at its Wallula, Washington pulp and paper mill.
|
2024 |
2024-EPA-05254 |
0002055–0002065
|
11 |
|
On January 24, 2020, John Piotrowski of Packaging Corporation of America requested an applicability determination from the EPA regarding 40 CFR 63 Subpart S for their Wallula, WA pulp and paper mill.
|
2024 |
2024-EPA-05254 |
0002066–0002070
|
5 |