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Greenhouse Gas Reporting Program

Subpart T – Magnesium Production

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Rule Information

2012 non-confidential data for subpart T is now available on Envirofacts.

Proposed and Promulgated Rules

40 CFR Part 98.200
Federal Register Date Citation Action Description
07/31/2014 79 FR 44332 Proposed Rule Proposes to establish chemical-specific and default global warming potentials (GWPs) for fluorinated greenhouse gases (GHGs) and fluorinated heat transfer fluids (HTFs) that are reported to the Greenhouse Gas Reporting Program (GHGRP) but that do not currently have GWPs under the Program. This would ensure that the atmospheric impacts of all fluorinated GHGs and HTFs are reflected in calculations and reporting under the GHGRP.
Preamble and Rule (PDF) (21 pp, 370K)
Fact Sheet (PDF) (1 pg, 45K)
11/29/2011 76 FR 73866 Final Rule 2011 Technical Corrections, Clarifying and Other Amendments.
Final Rule (PDF) (25 pp, 341K)
More information
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)
05/26/2011 76 FR 30782 Final Rule Final Rulemaking – Confidentiality Determinations for Data Required under the Mandatory Greenhouse Gas Reporting Rule and Amendments to Special Rules Governing Certain Information Obtained under the Clean Air Act
Final Rule (PDF) (37 pp, 330K)
07/12/2010 40 CFR Part 98.200 Final Rule Mandatory Reporting of Greenhouse Gases from Magnesium Production, Underground Coal Mines, Industrial Wastewater Treatment, and Industrial Landfills
Preamble and Rule (PDF) (43 pp, 372K)
04/10/2009 40 CFR Part 98.200 Proposed Rule Proposed Mandatory Reporting of Greenhouse Gases Rule
Rule (PDF) (126 pp, 3.0M)
Preamble (PDF) (161 pp, 3.7M)

Technical Information

Implementation Information

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