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  2. Greenhouse Gas Reporting Program (GHGRP)

Subpart TT – Industrial Waste Landfills

This page provides resources for subpart TT reporters, including implementation information and supporting documents for relevant rulemakings.

On this page:

  • Summary
  • Reporter Resources
  • Regulatory History

Read the Current Rule

Browse Subpart TT FAQs

View Data Highlights


Summary

This source category consists of industrial waste landfills that accepted waste on or after January 1, 1980, and that are located at a facility whose total landfill design capacity is greater than or equal to 300,000 metric tons (tonnes). It includes the landfill, any landfill gas collection systems at the landfill, and destruction devices for landfill gases (including flares).

Reporter Resources

  • Subpart TT Information Sheet
  • Subpart TT Monitoring Checklist
  • Training Presentations

Subpart TT Regulatory History

40 CFR Part 98.460
Federal Register Date Citation Action Description First reporting year impacted
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.
Final Preamble and Rule (12/2016) (pdf) (87 pp, 801KB)
Response to Comments (12/2016)
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
Proposed Preamble and Rule (1/15/2016) (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.
Final Preamble and Rule (pdf) (51 pp, 633 KB)
Response to Comments (10/2014)
Fact Sheet: Revisions to Reporting and Recordkeeping Requirements and Final Confidentiality Determinations under the Greenhouse Gas Reporting Program (pdf) (40.52 KB, Sep 2014)
Proposed Preamble and Rule (9/2013) (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)
More Information on 2014 Rule
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.
Final Preamble and Rule (11/29/2013) (pdf) (79 pp, 935 KB)
Correction Notice (11/29/2013) (pdf) (2 pp, 248 KB)
Response to Comments (11/29/2013)
Fact Sheet: 2013 Revisions and Confidentiality Determinations (pdf) (37.58 KB, Nov 2013)
Memorandum: Table of Final 2013 Revisions to the Greenhouse Gas Reporting Rule (pdf) (1.02 MB, Sept 2013)
Proposed Preamble and Rule (4/2/2013) (pdf) (77 pp, 909 KB)
2014
08/24/2012 77 FR 51477 Final Rule Revises subparts A (General Provisions), I (Electronics Manufacturing), L (Fluorinated Gas Production), W (Petroleum and Natural Gas Systems), and TT (Industrial Waste Landfills) to correct errors and improve clarity and flexibility.
Final Preamble and Rule (08/24/2012) (pdf) (19 pp, 462 KB)
Response to Comments (08/24/2012)
Fact Sheet: 2012 Technical Corrections, Clarifying and Other Amendments, and Confidentiality Determinations for Certain Data Elements of the Fluorinated Gas Source Category (pdf) (42 KB, Aug 2012) (42 KB)
Proposed Preamble and Rule (05/21/2012) pdf) (19 pp, 420 KB)
More Information on 2012 Technical Corrections
2011
08/13/2012 77 FR 48072 Final Rule Establishes confidentiality determinations for most data elements to be reported under subparts I, W, DD, FF, II, QQ, RR, SS, TT, and UU; defers the deadline for reporting certain recently added data elements that are inputs to emission equations in subparts W, FF, and TT; finalizes amendments to subpart I to remove the requirement for a facility using Best Available Monitoring Methods (BAMM) to recalculate the previous reporting years’ emissions and resubmit to EPA.
Final Preamble and Rule (08/12/2012) (pdf) (88 pp, 287 KB)
Response to Comments (08/13/2012)
Fact Sheet: Final Confidentiality Determinations for Nine Subparts and Amendments to Subparts A and I under the Mandatory Reporting of Greenhouse Gases Rule (pdf) (44.15 KB, Aug 2012)
Proposed Preamble and Rule (01/10/2012) (pdf) (19 pp, 230 KB)
Proposed Preamble and Rule (02/22/2012) (pdf) (17 pp, 212 KB)
Proposed Preamble and Rule (02/24/2012) (pdf) (23 pp, 261 KB)
More Information on 08/2012 Final Rule
2011
11/29/2011 76 FR 73866 Final Rule Amends subparts A, W, FF, II, OO, RR, and TT to clarify reporting requirements and correct technical and editorial errors.
Final Preamble and Rule (11/29/2011) (pdf) (25 pp, 341 KB)
Response to Comments (11/29/2011)
Fact Sheet: 2011 Technical Corrections, Clarifying, and Other Amendments to Certain Provisions of the Mandatory Reporting of Greenhouse Gases Rule (pdf) (48.02 KB, Nov 2011)
Proposed Preamble and Rule (08/04/2011) (pdf) (30 pp, 427 KB)
More Information on 2011 Technical Corrections
2011
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.
Final Preamble and Rule (05/26/2011) (pdf) (37 pp, 330 KB)
Proposed Preamble and Rule (07/07/2010) (pdf) (40 pp, 366 KB)
Correction Notice (10/17/2011) (pdf) (6 pp, 167 KB)
Response to Comments (05/26/2011)
Proposed Preamble and Rule (7/27/2010) (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)
2011
07/12/2010 75 FR 39736 Final Rule

Adds the following subparts to 40 CFR Part 98: T (Magnesium Production), FF (Underground Coal Mines), II (Industrial Wastewater Treatment), and TT (Industrial Waste Landfills); also finalizes harmonizing changes to subpart A.
Final Preamble and Rule (07/12/2010) (pdf) (43 pp, 372 KB)
Responses to Comments on EPA-HQ-OAR-2008-0508
Withdrawal Notice (04/30/2010) (pdf) (133 KB)
Direct Final Rule (03/16/2010) (pdf) * (8 pp, 165 KB)
Proposed Preamble and Rule (3/16/2010) (pdf) (3 pp, 140 KB)
Proposed Mandatory Reporting of Greenhouse Gases Rule (pdf) (3.03 MB)
Technical Support Document: Landfills (pdf) (330.72 KB) (331 KB)
More Information on Subparts T, FF, II

* The direct final rule received adverse comment and was subsequently withdrawn.

2011

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Last updated on May 12, 2025
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