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Regulations last checked for updates: Jan 14, 2026
Title 40 - Protection of Environment last revised: Dec 31, 2026
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Title 40
Chapter I
Part 98
Subpart XX - Subpart XX—Calcium Carbide Production
§ 98.500 - Definition of the source category.
§ 98.501 - Reporting threshold.
§ 98.502 - GHGs to report.
§ 98.503 - Calculating GHG emissions.
§ 98.504 - Monitoring and QA/QC requirements.
§ 98.505 - Procedures for estimating missing data.
§ 98.506 - Data reporting requirements.
§ 98.507 - Records that must be retained.
§ 98.508 - Definitions.
authority:
42 U.S.C. 7401-7671q.
source:
74 FR 56374, Oct. 30, 2009, unless otherwise noted.
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