Chemical Manufacturing Sector (NAICS 325)

Chemical Manufacturing is part of the Manufacturing Sector (NAICS 31 - 33). This sector covers the transformation of organic and inorganic raw materials by a chemical process and the formation of products.

Laws and Regulations

​Air:

• Greenhouse Gas Reporting Program
• National Emission Standards for Hazardous Air Pollutants (NESHAP):
  • Benzene Waste Operations
  • Cellulose Products Manufacturing
  • Commercial Sterilizers
  • Ferromanganese and Silicomanganese Production (Ferroalloys, Major Sources)
  • Generic MACT (Acetal Resins, Hydrogen Fluoride, Polycarbonates Production, Acrylic/Modacrylic Fibers, Spandex Production, Carbon Black, and Ethylene Processes)
  • Hazardous Organic NESHAP (Synthetic Organic Chemical Manufacturing Industry)
  • Hydrochloric Acid Production (Fumed Silica Production)
  • Industrial Cooling Towers
  • Magnetic Tape (surface coating)
  • Mercury Cell Chlor-Alkali Plants
  • Misc. Coating Manufacturing
  • Misc. Organic Chemical Production and Processes (MON)
  • Organic Liquids Distribution (non-gasoline)
  • Pesticide Active Ingredient Production
  • Pharmaceuticals Production
  • Phosphoric Acid/Phosphate Fertilizers
  • Polyether Polyols Production
  • Polymers & Resins I (Butyl Rubber, Epichlorohydrin Elastomers, Ethylene Propylene Rubber, Hypalon (TM), Neoprene, Nitrile Butadiene, Polybutadiene Rubber, Polysulfide, and Styrene-Butadiene Rubber and Latex)
  • Polymers & Resins II (Epoxy Resins and Non-Nylon Polyamides)
  • Polymers & Resins III (Amino and Phenolic Resins)
  • Polymers & Resins IV (Acrylonitrile-Butadiene-Styrene, Methyl Methacrylate-Acrylonitrile+, Methyl Methacrylate-Butadiene++, Polystyrene, Styrene Acrylonitrile, Polyethylene Terephthalate, and Nitrile Resins)
  • Polyvinyl Chloride and Copolymers Production & Area Sources
  • Primary Copper
  • Reinforced Plastic Composites Production
  • Site Remediation
• Stratospheric Ozone Regulations:
  • The Phaseout of Ozone Depleting Substances
  • Significant New Alternatives Policy (SNAP) Program: EPA's program to evaluate and regulate substitutes for the ozone-depleting chemicals.

​Toxic Substances:

• Chemical Data Reporting under the Toxic Substances Control Act: requirements for manufacturers and processors of existing chemicals.
• New Chemicals Program: chemicals new to the marketplace. Mandated by Section 5 of TSCA.

Water:

• Organic Chemicals, Plastics, and Synthetic Fibers (OCPSF): effluent guidelines.
• Pesticide Chemicals Effluent Guidelines

Compliance

• Chemical Manufacturing Sector Compliance Assistance: including industry profiles, compliance assistance centers, and more.
• Combustion Portal: compliance assistance center.

Policies and Guidance

• Compliance Guidance for Industrial Process Refrigeration Leak Repairs Regulations Under Section 608 Clean Air Act

Related Technical Information

• AP 42 - Chapter 6: Organic Chemical Process Industry and Chapter 8: Inorganic Chemical Industry: emission factors and process information for air pollution source categories.