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74 FR 56374, Oct. 30, 2009, unless otherwise noted.
89 FR 31948, Apr. 25, 2024, unless otherwise noted.
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At 90 FR 21227, May 19, 2025, as required by the Congressional Review Act and Public Law 119-2, the Environmental Protection Agency removed the amendments to §§ 98.3 and 98.4 made effective on Jan. 17, 2025, at 89 FR 91163, Nov. 18, 2024. As of May 19, 2025, §§ 98.3 and 98.4 reverted to the Jan. 16, 2025 version.
| Product | N2 O
generation factor a |
|---|---|
| Caprolactam | 9.0 |
| Glyoxal | 520 |
| Glyoxylic acid | 100 |
| a Generation factors in units of kilograms of N2 O emitted per metric ton of product produced. | |