Regulations last checked for updates: Apr 02, 2025

Title 40 - Protection of Environment last revised: Nov 02, 2025
§ 98.510 - Definition of the source category.

This source category includes any facility that produces caprolactam, glyoxal, or glyoxylic acid. This source category excludes the production of glyoxal through the LaPorte process (i.e., the gas-phase catalytic oxidation of ethylene glycol with air in the presence of a silver or copper catalyst).

source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.
cite as: 40 CFR 98.510