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Resources by Subpart
- Greenhouse Gas Reporting Program
- Rulemaking Notices
- Resources by Subpart
- Training and Testing Opportunities
- Proposed Rules
- e-GGRT Data Reporting System
- Confidential Business Information
- GHG Data
- Rule Help Center
Rule Help Center
- Frequently Asked Questions
- Applicability Tool
- General Fact Sheet (PDF) (4 pp, 55K)
- 2011 Special Provisions Fact Sheet (PDF) (5 pp, 52K)
- 2010 Special Provisions Fact Sheet (PDF) (6 pp, 69K)
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Subpart W – Petroleum and Natural Gas Systems
Guidance Information
Further guidance is available for Subpart W reporters in regards to e-GGRT registration, BAMM submissions, and "facility address", and can be found at www.ccdsupport.com.
Rule Information
On March 19, 2012 EPA extended the comment period until April 9, 2012 for a proposal to determine which data elements reported under subpart W of Part 98 would or would not be entitled to confidential treatment under the Clean Air Act (CAA). More information.
On February 24, 2012, EPA issued a proposal to determine which data elements reported under subpart W of Part 98 would or would not be entitled to confidential treatment under the Clean Air Act (CAA). These data elements will be reported to EPA for the first time in September 2012. In addition, this action proposes to defer the deadline for reporting some recently added subpart W data reporting elements that are “inputs to emission equations” until 2015.
On December 23, 2011, EPA issued a final rule that amends specific provisions in subparts A and W. These revisions correct technical and editorial errors and address issues identified as a result of questions received from reporters. These amendments do not change the overall requirements, but improve clarity and consistency across the calculation, monitoring and data reporting requirements.
On September 27, 2011, EPA issued a rule that finalized amendments to the best available monitoring methods (BAMM) provisions in subpart W. With these amendments, owners and operators of facilities covered by subpart W are now permitted to use BAMM for calendar year 2011 without being required to submit a request for approval from the Administrator. In addition, EPA has expanded the types of emission sources that are permitted to use BAMM in 2011 without being required to submit a request for approval from the Administrator. Lastly, these amendments give owners and operators additional time to request to use BAMM beyond 2011.
On November 8, 2010, Administrator Jackson signed a rule that finalizes reporting requirements for the petroleum and natural gas industry under 40 CFR Part 98, the regulatory framework for the Greenhouse Gas (GHG) Reporting Program. This final rule requires petroleum and natural gas facilities that emit 25,000 metric tons or more of carbon dioxide (CO2) equivalent per year to report annual methane (CH4) and CO2 emissions from equipment leaks and venting, and emissions of CO2, CH4, and nitrous oxide (N2O) from gas flaring and from onshore petroleum and natural gas production stationary and portable combustion emissions and combustion emissions from stationary equipment involved in natural gas distribution.
Proposed and Promulgated Rules
| Federal Register Date | Citation | Action | Description |
|---|---|---|---|
| 05/21/2012 | 77 FR 29935 | Proposed Rule | Amends and clarifies certain terms and provisions within Subpart A (General Provisions); Subpart L (Fluorinated Gas Producers); Subpart W (Petroleum and Natural Gas Systems); and Subpart TT (Industrial Waste Landfills) to clarify rule provisions, modify specific provisions to address concerns raised by reporters, and correct errors. Preamble and Rule (PDF) (19 pp, 420K) More information |
| 03/19/2012 | 77 FR 15990 | Extension of Public Comment Period | Extends the public comment period for the proposed rule regarding proposed confidentiality determinations for certain data elements reported under subpart W. Announcement (PDF) (1 pg, 193K) More information |
| 02/24/2012 | 77 FR 11039 | Proposed Rule | Determines which data elements reported under subpart W would be considered confidential business information (CBI); also defers deadline for reporting some inputs to emissions equations until 2015. Preamble and Rule (PDF) (23 pp, 261K) More information on CBI |
| 12/23/2011 | 76 FR 80554 | Final Rule | Technical Revisions and Clarifications to Subpart A and Subpart W. Preamble and Rule (PDF) (42 pp, 552K) |
| 11/29/2011 | 76 FR 73866 | Final Rule | 2011 Technical Corrections, Clarifying and Other Amendments. Final Rule (PDF) (25 pp, 341K) More information |
| 10/04/2011 | 76 FR 61293 | Extension of Public Comment Period | Extension of Comment period for Proposed Technical Revisions and Clarifications to Subpart A, Subpart I, and Subpart W. Notice (PDF) (2 pp, 152K) |
| 09/27/2011 | 76 FR 59533 | Final Rule | Petroleum and Natural Gas Systems: Revisions to Best Available Monitoring Method Provisions Preamble and Rule (PDF) (9 pp, 175K) |
| 09/09/2011 | 76 FR 56010 | Proposed Rule | Technical Revisions and Clarifications to Subpart A, Subpart I, and Subpart W Proposed Rule (PDF) (42 pp, 437K) |
| 08/04/2011 | 76 FR 47392 | Proposed Rule | Proposed Rulemaking – 2011 Technical Corrections, Clarifying and Other Amendments to Certain Provisions of the Mandatory Greenhouse Gas Reporting Rule Proposed Rule (PDF) (30 pp, 427K) |
| 06/27/2011 | 76 FR 37300 | Proposed Rule | Mandatory Reporting of Greenhouse Gases: Petroleum and Natural Gas Systems: Revisions to Best Available Monitoring Method Provisions Preamble and Rule (PDF) (8 pp, 212K) |
| 04/25/2011 | 76 FR 22825 | Grant of Reconsideration | Mandatory Reporting of Greenhouse Gases from Petroleum and Natural Gas Systems – Subpart W Preamble and Rule (PDF) (3 pp, 52K) |
| 11/30/2010 | 75 FR 74458 | Final Rule | Mandatory Reporting of Greenhouse Gases from Petroleum and Natural Gas Systems – Subpart W Preamble and Rule (PDF) (59 pp, 670K) |
| 04/12/2010 | 75 FR 18608 | Proposed Rule | Proposed Mandatory Reporting of Greenhouse Gases from Petroleum and Natural Gas Systems – Subpart W Preamble and Rule (PDF) (43 pp, 326K) |
| 04/10/2009 | 75 FR 16448 | Original Proposed Rule | Proposed Mandatory Reporting of Greenhouse Gases Rule Rule (PDF) (126 pp, 3.0MB) Preamble (PDF) (161 pp, 3.7MB) |
Technical Information
- Fact Sheet: Proposed Confidentiality Determinations for Subpart W (PDF) (2 pp, 46K)
- Memorandum A: Proposed Data Category Assignments for Subpart W (PDF) (32 pp, 494K)
- Memorandum B: Proposed Changes to Subpart W Inputs (PDF) (7 pp, 93K)
- Fact Sheet: 2011 Revisions to Greenhouse Gas Reporting Rule Affecting Petroleum & Natural Gas Systems (Subpart W) Source Categories (PDF) (3 pp, 39K)
- 2011 Revisions Response to Comments (PDF) (269 pp, 2.0MB)
- Fact Sheet: Best Available Monitoring Methods (PDF) (5 pp, 124K)
- 2011 Revisions Technical Support Document (PDF) (72 pp, 486K)
- 2011 Revisions Economic Impact Analysis (PDF) (8 pp, 130K)
- BAMM Revisions Response to Comments (PDF) (24 pp, 318K)
- Press Release (11/09/2010)
- Technical Support Document: Petroleum and Natural Gas Systems (PDF) (144 pp, 1.1MB)
- Response to Comments Document: Subpart W – Petroleum and Natural Gas Systems
- Part 1 (PDF, Volume 1-7, pp 1-935) (935 pp, 5.4MB)
- Part 2 (PDF, Volume 8-14, pp 936-1784) (849 pp, 8.4MB)
- Economic Impact Assessment (PDF) (125 pp, 702K)
Implementation Information
- Optional Form - Best Available Monitoring Methods (BAMM) Request for the emission sources identified in 98.234(f)(8) (PDF) (5 pp, 129K)
- Guidance for Subpart W Reporters on "Facility Address" (PDF) (1 pg, 25K)
- Guidance for Subpart W Reporters Completing Registration within e-GGRT (PDF) (1 pg, 16K)
- Information Sheet: Subpart W (PDF) (5 pp, 76K)
- Information Sheet: Offshore Petroleum and Natural Gas Production (PDF) (3 pp, 57K)
- Checklist: Onshore Petroleum and Natural Gas Production (PDF) (14 pp, 136K)
- Checklist: Onshore Natural Gas Processing (PDF) (8 pp, 84K)
- Checklist: Onshore Natural Gas Transmission (PDF) (6 pp, 63K)
- Checklist: Underground Natural Gas Storage (PDF) (5 pp, 59K)
- Checklist: Natural Gas Distribution (PDF) (3 pp, 48K)
- Checklist: LNG Storage (PDF) (5 pp, 58K)
- Checklist: LNG Import and Export (PDF) (5 pp, 60K)
Subpart W Archive
- Fact Sheet (PDF) (2 pp, 80K)
- Frequently Asked Questions (PDF) (4 pp, 79K)
- Additional Frequently Asked Questions (PDF) (54 pp, 576K)
- Revisions to Subpart I and Subpart W: Fact Sheet (PDF) (3 pp, 43K)
- Revisions to Subpart I and Subpart W: Technical Support Document (PDF) (59 pp, 384K)
- Revisions to Subpart I and Subpart W: Trade Association Submissions (PDF) (84 pp, 2.3M)
- Supplement to Appendix D of the Revisions to Subpart I and Subpart W Technical Support Document - Analysis of Sub-Basin Entity Pressure Range (PDF) (4 pp, 85K)
- Supplement to Appendix D of the Revisions to Subpart I and Subpart W Technical Support Document - Listing of Well County by Group Type 2010 (PDF) (351 pp, 821K)
These documents are provided solely for informational purposes. They do not provide legal advice, have legally binding effect, or expressly or implicitly create, expand, or limit any legal rights, obligations, responsibilities, expectations, or benefits in regard to any person. These documents are intended to assist reporting facilities/owners in understanding key provisions of the rule. They are not intended to be a substitute for the rule.