An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This page provides resources for subpart S reporters, including implementation information as well as supporting documents for relevant rulemakings.
Subpart S source category consists of each kiln that produces a lime product from limestone or dolomite (CaMg(CO3)2) by means of calcination.
| Federal Register Date | Citation | Action | Description | First reporting year impacted |
|---|---|---|---|---|
| 4/25/2024 | 89 FR 31802 | Final Rule |
Updates global warming potentials (GWPs), expands the GHGRP to new source categories, and revises the requirements for certain sectors to improve the data collected and program implementation. |
2024 (updated GWPs for existing reporters) 2025 (all other changes) |
| 12/09/2016 | 81 FR 89188 | Final Rule | Revises 29 subparts to streamline implementation, improve data quality, provide flexibility, and clarify the rule. Establishes confidentiality determinations for new or substantially revised data elements. Final action in response to a Petition for Reconsideration. 81 FR 89188 Final Preamble and Rule (pdf) (87 pp, 801KB) 2016 Response to Comments Fact Sheet: 2015 Revisions and Confidentiality Determinations (pdf) (209.54 KB, Nov 2016) Memo: Table of Final 2015 Revisions to the Greenhouse Gas Reporting Rule 81 FR 2536 Proposed Preamble and Rule (pdf) (91 pp, 890 KB) |
2017 |
| 10/24/2014 | 79 FR 63750 | Final Rule | Amends reporting and recordkeeping requirements and establishes an alternative electronic verification approach for 23 subparts to address concerns regarding public disclosure of business sensitive information while maintaining EPA’s ability to verify emissions and ensure compliance. 79 FR 63750 Final Preamble and Rule (pdf) (51 pp, 633 KB) 2014 Response to Comments Fact Sheet: Revisions to Reporting and Recordkeeping Requirements and Final Confidentiality Determinations under the Greenhouse Gas Reporting Program (pdf) (40.52 KB, Sep 2014) 78 FR 55994 Proposed Preamble and Rule (pdf) (31 pp, 550 KB) Memorandum: Final Data Elements Deferred to March 31, 2015, List of ‘Inputs to Equations’ Data Elements Not To Be Reported (pdf) (560.53 KB, Sep 2014) Confidential Business Information for GHG Reporting |
2014 |
| 11/29/2013 | 78 FR 71904 | Final Rule | Updates global warming potentials (GWPs) to reflect IPCC AR4 values, and amends 27 subparts to improve and clarify reporting requirements. Establishes confidentiality determinations for new and revised data elements. 78 FR 71904 Final Preamble and Rule (pdf) (79 pp, 935 KB) 79 FR 3507 Correction Notice (pdf) (2 pp, 248 KB) 2013 Response to Comments Final Rule: 2013 Revisions to the Greenhouse Gas Reporting Rule and Confidentiality Determinations for New or Substantially Revised Data Elements (pdf) (37.58 KB) Memo 2013 Technical Revisions (pdf) (1.02 MB) 78 FR 19802 Proposed Preamble and Rule (pdf) (77 pp, 909 KB) |
2014 |
| 05/26/2011 | 76 FR 30782 | Final Rule | Finalizes confidentiality determinations for 34 subparts for data elements that are not inputs to emissions equations. Finalizes amendments to 40 CFR 2 governing CBI obtained under 40 CFR 98. 76 FR 30782 Final Preamble and Rule (pdf) (37 pp, 330 KB) Proposed Preamble and Rule (07/07/2010) (pdf) (40 pp, 366 KB) 76 FR 64010 Correction Notice (pdf) (6 pp, 167 KB) 2011 Response to Comments Proposed Preamble and Rule (07/27/2010) (pdf) (4 pp, 164 KB) Fact Sheet: Final Confidentiality Determinations for Data Collected Under the Greenhouse Gas Reporting Program and Amendments to Special Rules Governing Certain Information Obtained Under the Clean Air Act (pdf) (43.28 KB, May 2011) Final Data Category Assignments and Confidentiality Determinations for Part 98 Reporting Elements (pdf) (1.76 MB) CBI Powerpoint Presentation (pdf) (95.58 KB) |
2010 |
| 10/28/2010 | 75 FR 66434 | Final Rule | Corrects technical and editorial errors, and clarifies rule provisions for subparts A, E, H, K, N, O, P, Q, S, V, Z, CC, EE, GG, HH, LL, MM, and NN. 75 FR 66434 Final Preamble and Rule (pdf) (47 pp, 376 KB) Final Rule: Technical Corrections - Response to Comments (pdf) (196.82 KB) 75 FR 33950 Proposed Preamble and Rule (pdf) (34 pp, 316 KB) More Information on October 2010 Technical Corrections |
2010 |
| 10/30/2009 | 74 FR 56260 | Final Rule | Finalizes the first 30 subparts of 40 CFR Part 98, comprising subparts A, C, D, E, F, G, H, K, N, O, P, Q, R, S, U, V, X, Y, Z, AA, BB, CC, EE, GG, HH, JJ, LL, MM, NN, OO, and PP. 74 FR 56260 Final Preamble and Rule (pdf) (260 pp, 1.4 MB) Proposed Mandatory Reporting of Greenhouse Gases Rule (pdf) (3.03 MB) Proposed Mandatory Reporting of Greenhouse Gases Preamble (pdf) (3.71 MB) Subpart S Response to Comment (pdf) (212.89 KB) Subpart S Technical Support Document (pdf) (297.19 KB) |
2010 |