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Regulations last checked for updates: May 12, 2025
Title 40 - Protection of Environment last revised: Apr 12, 2028
All Titles
Title 40
Chapter I
Part 73 - PART 73—SULFUR DIOXIDE ALLOWANCE SYSTEM
Subpart A [§ 73.1 - § 73.3] - Subpart A—Background and Summary
Subpart B [§ 73.10 - § 73.27] - Subpart B—Allowance Allocations
Subpart C [§ 73.30 - § 73.38] - Subpart C—Allowance Tracking System
Subpart D [§ 73.50 - § 73.53] - Subpart D—Allowance Transfers
Subpart E [§ 73.70 - § 73.73] - Subpart E—Auctions, Direct Sales, and Independent Power Producers Written Guarantee
Subpart F [§ 73.80 - § 73.86] - Subpart F—Energy Conservation and Renewable Energy Reserve
Subpart G [§ 73.90 - § 73.90] - Subpart G—Small Diesel Refineries
authority:
42 U.S.C. 7601
and 7651
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