Protection of Environment. Part63:National emission standards for hazardous air pollutants for source categories (continued). Section63.1427:Process vent requirements for processes using extended cook-out as an epoxide emission reduction technique.
(a) Applicability of extended cookout re-quirements. Owners or operators of af-fected sources that produce polyether polyols using epoxides, and that are using ECO as a control technique to re-duce epoxide emissions in order to comply with percent emissi