Fact Sheet	&EFA
		United States
Final Rule: Technical Corrections, Clarifying and other Amendments to Certain En^mentai Protection
Provisions of the Mandatory Greenhouse Gas Reporting Rule
ACTION
•	EPA is finalizing technical corrections, and clarifying and other amendments to the Greenhouse
Gas Mandatory Reporting Rule. The proposed amendments were published in the Federal
Register on June 15, 2010.
•	In this action, EPA is amending 40 CFR part 86 and eighteen subparts in 40 CFR part 98 to
correct technical and editorial errors, and to address certain issues identified as a result of
working with reporters during rule implementation and outreach.
•	40 CFR part 86 includes reporting requirements for reporting of GHG emissions rates for
manufacturers of engines used in mobile sources outside of the light-duty sector. 40 CFR part 98
require reporting of greenhouse gas (GHG) data and other relevant information from certain
sources beginning in 2010.
•	40 CFR part 98 does not require control of GHGs, rather it only requires that sources emitting
above certain thresholds monitor and report GHG information.
•	Since the final part 86 and part 98 were signed in September 2009, EPA has been working closely
with owners and operators of facilities subject to the rules to communicate reporting
requirements. Through these discussions, EPA has identified specific sections of the final rules
that were either not clear, or did not have the intended effect.
•	EPA received 24 public comment letters on the proposed amendments and the related technical
issues discussed in this action. We did not receive a request for a public hearing.
•	Except in two cases, the technical corrections, clarifying and other amendments will apply to data
reported to EPA in March 2011. EPA determined that additional time was needed to implement
the C02 emissions reporting requirements for certain decarburization vessels under subpart Q
(Iron and Steel Production) and the definition of "batch" under subpart MM (Suppliers of
Petroleum Products). EPA is deferring full implementation of these changes until the annual
GHG reports submitted to EPA in 2012.
FINAL RULE OVERVIEW
•	The final amendments consist of the following types of changes:
o Changes to correct cross references within and between subparts,
o Additional information to better or more fully understand compliance obligations in
specific provisions.
o Amendments to certain equations to better reflect actual operating conditions,
o Corrections to the terms and definitions in certain equations,
o Corrections to data reporting requirements so that they more closely conform to the
information used to perform emission calculations.
•	In general, these rule amendments do not change the overall greenhouse requirements of part 86
and part 98. In part 86, EPA inadvertently omitted the regulatory text in the 2009 final rule for
heavy-duty motor vehicle manufacturers and is amending part 86 to correct that error. Under part
98, the amendments further clarify the requirements and ensure consistency across the
calculation, monitoring and data reporting requirements. EPA has also identified certain cases
where it was appropriate to revise various subparts of part 98 to reflect facility-specific
circumstances and enable those subparts to be implemented as originally intended.
•	EPA expects that these final amendments will reduce or have no impact on the burden to
implement the requirements of the final reporting rule.
October 2010

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• EPA is amending 40 CFR part 86 - Mobile Sources, and the following subparts of 40 CFR part
98:
Subpart A - General Provisions
Subpart E - Adipic Acid Production
Subpart H - Cement Production
Subpart K - Ferroalloy Production
Subpart N - Glass Production
Subpart O - HCFC-22 Production
and HFC-23 Destruction
Subpart P - Hydrogen Production
Subpart Q - Iron and Steel
Production
Subpart S - Lime Manufacturing
Subpart V - Nitric Acid Production
Subpart Z - Phosphoric Acid Production
Subpart CC - Soda Ash Manufacturing
Subpart EE - Titanium Dioxide Production
Subpart GG - Zinc Production
Subpart HH - Municipal Solid Waste
Landfills
Subpart LL - Suppliers of Coal-based
Liquid Fuels
Subpart MM - Suppliers of Petroleum
Products
Subpart NN - Suppliers of Natural Gas and
Natural Gas Liquids
PUBLIC INVOLVEMENT
•	EPA has conducted and will continue to conduct extensive outreach with stakeholders affected by
and interested in the GHG Reporting Program. Many of the amendments in today's action are in
response to questions received during these stakeholder meetings and outreach.
•	Approximately 10,000 facilities are estimated to be subject to the GHG Reporting Program.
These facilities cover a range of industries. Since September 2009, EPA has interacted with
approximately 10,000 persons, including many who represent facilities subject to the final
reporting rule.
•	EPA offered the opportunity for a public hearing on the amendments being finalized in today's
actions, but a hearing was not requested. The comment period was open for 45 days after
publication of the proposed amendments in the Federal Register.
NEXT STEPS AND IMPLEMENTATION
•	The preamble and final regulatory text will be published in the Federal Register shortly after
signature and will be made available at www.regulations.gov.
MORE INFORMATION
•	Information on the final rule amendments and supporting background information is available
electronically at www.regulations.gov, EPA's electronic public docket and comment system. The
Docket ID number is: EPA-HQ-OAR-2010-0109.
•	Information is also available at the EPA Docket Center (EPA/DC) Public Reading Room. For
more information, please call 202-566-1744 between the hours of 8:30 A.M. and 4:30 P.M.
Eastern Time.
•	For more information on other provisions of 40 CFR part 98 finalized in October 2009, including
guidance and a schedule of training opportunities, please visit:
www.epa.gov/climatechange/emissions/ghgrulemaking.html.
•	For background information about GHGs and climate change science and policy, please see
EPA's climate change web site at: www.epa.gov/climatechange.
October 2010	2

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