Appendix A - Appendix A to Part 419—Processes Included in the Determination of BAT Effluent Limitations for Total Chromium, Hexavalent Chromium, and Phenolic Compounds (4AAP)

Crude Processes 1. Atmospheric Crude Distillation 2. Crude Desalting 3. Vacuum Crude Distillation Cracking and Coking Processes 4. Visbreaking 5. Thermal Cracking 6. Fluid Catalytic Cracking 7. Moving Bed Catalytic Cracking 10. Hydrocracking 15. Delayed Coking 16. Fluid Coking 54. Hydrotreating Asphalt Processes 18. Asphalt Production 32. 200 °F Softening Point Unfluxed Asphalt 43. Asphalt Oxidizing 89. Asphalt Emulsifying Lube Processes 21. Hydrofining, Hydrofinishing, Lube Hydrofining 22. White Oil Manufacture 23. Propane Dewaxing, Propane Deasphalting, Propane Fractioning, Propane Deresining 24. Duo Sol, Solvent Treating, Solvent Extraction, Duotreating, Solvent Dewaxing, Solvent Deasphalting 25. Lube Vac Twr, Oil Fractionation, Batch Still (Naphtha Strip), Bright Stock Treating 26. Centrifuge and Chilling 27. MEK Dewaxing, Ketone Dewaxing, MEK-Toluene Dewaxing 28. Deoiling (wax) 29. Naphthenic Lubes Production 30. SO2 Extraction 34. Wax Pressing 35. Wax Plant (with Neutral Separation) 36. Furfural Extraction 37. Clay Contacting—Percolation 38. Wax Sweating 39. Acid Treating 40. Phenol Extraction Reforming and Alkylation Processes 8. H2SO4 Alkylation 12. Catalytic Reforming [50 FR 28528, July 12, 1985; 50 FR 32414, Aug. 12, 1985]