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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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EPA has developed a number of tools and documents to assist in understanding and complying with the Greenhouse Gas Reporting Program. Please note that these resources are intended for informational and instructional purposes only. Facility owners or operators and suppliers are responsible for determining how they would be affected by the requirements of Part 98. The tools and documents are provided solely for informational purposes. Compliance with all Federal, State, and Local laws and regulations remains the sole responsibility of each facility owner or operator subject to those laws and regulations.

General Questions
For general questions about the Greenhouse Gas Reporting Program, please refer to the Frequently Asked Questions page. Additional resources, including information sheets, checklists, and technical support documents for each subpart of the rule are available through the Resources by Subpart page.
Help Center
EPA also operates a help center for general and administrative questions about the rule. You can submit your question by filling out the form on the Contact Us page.
Frequently Asked Questions
Have a question? The FAQs list answers to some of the most commonly asked questions about Part 98.
Applicability Tool
Is your business covered by Part 98? If you're not sure whether Part 98 applies to you, go to the Applicability Tool. The Applicability Tool is an application designed to help assess whether an entity must comply with Part 98.
Disclaimer: While this tool is designed to help interpret Part 98, the owner or operator of each facility is responsible for reviewing Part 98 and determining if Part 98 applies. Use of this tool does not constitute a determination by EPA of the applicability of Part 98 to any particular facility.
Resources by Subpart
The Resources by Subpart page groups materials, including rule texts, information sheets, checklists, technical support documents, and presentations, according to their rule subpart.

Guides for industry sectors: These reference materials outline how the Greenhouse Gas Reporting Program could affect various industry sectors.
- Guide for Agriculture Information Sheet (PDF) (3 pp, 51K)
- Guide for State and Local Agencies Information Sheet (PDF) (2 pp, 45K)
- Guide for Small Businesses Information Sheet (PDF) (3 pp, 40K)
- Guide for Tribal Governments Information Sheet(PDF) (2 pp, 40K)
- Mobile Sources Information Sheet Information Sheet (PDF) (2 pp, 53K)

Technical Support Documents: The links below provide access to a series of general Technical Support Documents (TSDs) from the Proposed Rule. TSDs for specific Subparts may be found on the Resources by Subpart page.
- Technical Support Doucment for Biologic Process Sources Excluded from this Rule (PDF) (36 pp, 208K)
- Technical Support Document for Reporting Thresholds (ZIP) (1.9MB)
- Electricity Purchase Technical Support Document (PDF) (7 pp, 43K)
- Memorandum: Review of Verification Systems in Environmental Reporting Programs (PDF) (55 pp, 600K)
- Memorandum: Reporting Methods for Small Emission Points (De Minimis Reporting) (PDF) (18 pp, 237K)
- Memorandum: Review of Existing Programs (PDF) (482 pp, 1.8MB)
- Memorandum: Review of Existing State Greenhouse Gas Reporting Rules (PDF) (4 pp, 180K)

Responses to Comments on the Proposed Rule: The links below provide access to a series of Response to Comment (RTC) documents from the Proposed Rule. RTCs for specific Subparts may be found on the Resources by Subpart page.

Volume Topic

1 Selection of Source Categories to Report and Level of Reporting (PDF) (151 pp, 588K)

2 Selection of Reporting Thresholds, Greenhouse Gases, and De Minimis Provisions (PDF) (170 pp, 672K)

3 General Monitoring Approach, the Need for Detailed Reporting, and Other General Rationale Comments (PDF) (133 pp, 512K)

4 Approach to Verification and Missing Data (PDF) (144 pp, 536K)

5 Initial Year of Reporting, Duration of the Reporting Program and Provisions to Cease Reporting (PDF) (241 pp, 876K)

6 Relationship to Other GHG Reporting Programs (PDF) (82 pp, 312K)

7 The Rule Development Process, Statutory and Executive Order Reviews, and Other Miscellaneous Comments (PDF) (77 pp, 284K)

8 Compliance and Enforcement (PDF) (61 pp, 228K)

9 Legal Issues (PDF) (33 pp, 132K)

10 Cost and Economic Impacts of the Rule (PDF) (54 pp, 300K)

11 Designated Representative and Data Collection, Reporting, Management, and Dissemination (PDF) (160 pp, 584K)

12 Subpart A – Applicability and Reporting Schedule (PDF) (181 pp, 692K)

13 Subpart A – Content of the Annual Report, the Abbreviated Emission Report, Recordkeeping, and the QAPP (PDF) (90 pp, 340K)

14 Subpart A – Definitions, Incorporation by Reference, and Other Subpart A Comments (PDF) (90 pp, 332K)

42 Mobile Sources (PDF) (148 pp, 623K)

Volume	Topic
1	Selection of Source Categories to Report and Level of Reporting (PDF) (151 pp, 588K)
2	Selection of Reporting Thresholds, Greenhouse Gases, and De Minimis Provisions (PDF) (170 pp, 672K)
3	General Monitoring Approach, the Need for Detailed Reporting, and Other General Rationale Comments (PDF) (133 pp, 512K)
4	Approach to Verification and Missing Data (PDF) (144 pp, 536K)
5	Initial Year of Reporting, Duration of the Reporting Program and Provisions to Cease Reporting (PDF) (241 pp, 876K)
6	Relationship to Other GHG Reporting Programs (PDF) (82 pp, 312K)
7	The Rule Development Process, Statutory and Executive Order Reviews, and Other Miscellaneous Comments (PDF) (77 pp, 284K)
8	Compliance and Enforcement (PDF) (61 pp, 228K)
9	Legal Issues (PDF) (33 pp, 132K)
10	Cost and Economic Impacts of the Rule (PDF) (54 pp, 300K)
11	Designated Representative and Data Collection, Reporting, Management, and Dissemination (PDF) (160 pp, 584K)
12	Subpart A – Applicability and Reporting Schedule (PDF) (181 pp, 692K)
13	Subpart A – Content of the Annual Report, the Abbreviated Emission Report, Recordkeeping, and the QAPP (PDF) (90 pp, 340K)
14	Subpart A – Definitions, Incorporation by Reference, and Other Subpart A Comments (PDF) (90 pp, 332K)
42	Mobile Sources (PDF) (148 pp, 623K)

For questions that cannot be answered through the website, please contact us at: GHGreporting@epa.gov.

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