The United States Environment Protection Agency (US EPA) has updated Sections 5.1, 8.13, and 13.5 of AP-42 to incorporate the following new and revised emissions factors. Flares – VOC, CO (revised) Sulphur Recovery Units: NOx, CO, THC Catalytic Reforming Units: THC Hydrogen Plants: NOx Fluid Catalytic Cracking Units: HCN The revisions and supporting documentation can … Continue reading AP-42 Emission Factors for VOCs from Flares Updated