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 be accessed here.
This update follows a settlement agreement reached between the EPA and plaintiffs in Air Alliance Houston et al. v EPA Case No. 15-1210 (D.C. Cir.).
[Source: US EPA]