{"data":{"id":"us/40-cfr-60.16","jurisdiction":"us","citation":"40 CFR 60.16","heading":"Priority list.","body":"Prioritized Major Source Categories\nPriority Number 1 Source Category\n1. Synthetic Organic Chemical Manufacturing Industry (SOCMI) and Volatile Organic Liquid Storage Vessels and Handling Equipment\n(a) SOCMI unit processes\n(b) Volatile organic liquid (VOL) storage vessels and handling equipment\n(c) SOCMI fugitive sources\n(d) SOCMI secondary sources\n2. Industrial Surface Coating: Cans\n3. Petroleum Refineries: Fugitive Sources\n4. Industrial Surface Coating: Paper\n5. Dry Cleaning\n(a) Perchloroethylene\n(b) Petroleum solvent\n6. Graphic Arts\n7. Polymers and Resins: Acrylic Resins\n8. Mineral Wool (Deleted)\n9. Stationary Internal Combustion Engines\n10. Industrial Surface Coating: Fabric\n11. Industrial-Commercial-Institutional Steam Generating Units.\n12. Incineration: Non-Municipal (Deleted)\n13. Non-Metallic Mineral Processing\n14. Metallic Mineral Processing\n15. Secondary Copper (Deleted)\n16. Phosphate Rock Preparation\n17. Foundries: Steel and Gray Iron\n18. Polymers and Resins: Polyethylene\n19. Charcoal Production\n20. Synthetic Rubber\n(a) Tire manufacture\n(b) SBR production\n21. Vegetable Oil\n22. Industrial Surface Coating: Metal Coil\n23. Petroleum Transportation and Marketing\n24. By-Product Coke Ovens\n25. Synthetic Fibers\n26. Plywood Manufacture\n27. Industrial Surface Coating: Automobiles\n28. Industrial Surface Coating: Large Appliances\n29. Crude Oil and Natural Gas Production\n30. Secondary Aluminum\n31. Potash (Deleted)\n32. Lightweight Aggregate Industry: Clay, Shale, and Slate 2\n33. Glass\n34. Gypsum\n35. Sodium Carbonate\n36. Secondary Zinc (Deleted)\n37. Polymers and Resins: Phenolic\n38. Polymers and Resins: Urea-Melamine\n39. Ammonia (Deleted)\n40. Polymers and Resins: Polystyrene\n41. Polymers and Resins: ABS-SAN Resins\n42. Fiberglass\n43. Polymers and Resins: Polypropylene\n44. Textile Processing\n45. Asphalt Processing and Asphalt Roofing Manufacture\n46. Brick and Related Clay Products\n47. Ceramic Clay Manufacturing (Deleted)\n48. Ammonium Nitrate Fertilizer\n49. Castable Refractories (Deleted)\n50. Borax and Boric Acid (Deleted)\n51. Polymers and Resins: Polyester Resins\n52. Ammonium Sulfate\n53. Starch\n54. Perlite\n55. Phosphoric Acid: Thermal Process (Deleted)\n56. Uranium Refining\n57. Animal Feed Defluorination (Deleted)\n58. Urea (for fertilizer and polymers)\n59. Detergent (Deleted)\nOther Source Categories\nLead acid battery manufacture 3\nOrganic solvent cleaning 3\nIndustrial surface coating: metal furniture 3\nStationary gas turbines 4\nMunicipal solid waste landfills 4\n1 Low numbers have highest priority, e.g., No. 1 is high priority, No. 59 is low priority.\n2 Formerly titled “Sintering: Clay and Fly Ash”.\n3 Minor source category, but included on list since an NSPS is being developed for that source category.\n4 Not prioritized, since an NSPS for this major source category has already been promulgated.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES","Subpart A—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"74002b518d17d7023fbc0a142cacbb0399daf5a4ecebc21acae9b7ca45ad1e64","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.15","next":"us/40-cfr-60.17"},"notice":"GroundRules: Original legal text. Not legal advice."}