NFPA 36:2025

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application (Reserved). 1.4 Retroactivity. 1.5 Equivalency. 1.6 Units and Formulas. 1.7 Code Adoption Requirements (Reserved). Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 General Requirements 4.1 Scope. 4.2 Noncombustible Material. 4.3 Basic Operating Requirements. 4.4 Sources of Ignition. 4.5 Housekeeping. 4.6 Solvent Transfer Equipment. 4.7 Piping, Valves, and Fittings. 4.8 Exits. 4.9 Fire Protection. 4.10 Start-Up of Extraction Process. 4.11 Emergency Procedures. 4.12 Repairs in Restricted and Controlled Areas When Plant Is Operating or Not Purged. 4.13 Repairs in Restricted and Controlled Areas When Plant Is Shut Down and Purged. Chapter 5 Bulk Solvent Unloading and Storage 5.1 Scope. 5.2 Location and Siting. 5.3 Design and Construction. 5.4 Fire Protection Equipment. 5.5 Sources of Ignition. 5.6 Unloading Procedures. Chapter 6 Preparation and Meal Finishing Processes 6.1 Scope. 6.2 Design and Construction. 6.3 Electrical Systems. 6.4 Dust Removal. 6.5 Tramp Metal. 6.6 Dryer Shutdown. 6.7 Hot Work. 6.8 Use of Power Tools. Chapter 7 Extraction Process 7.1 Scope. 7.2 Location and Siting. 7.3 Design and Construction. 7.4 Drainage and Spill Control. 7.5 Conveying Systems. 7.6 Cooling Towers. 7.7 Electrical Systems. 7.8 Ventilation Systems. 7.9 Ignition Sources and Heating. 7.10 Flammable Vapor Detection. 7.11 Lightning Protection. 7.12 Static Electricity. Chapter 8 Extraction Process Equipment 8.1 Scope. 8.2 Venting. 8.3 Conveying Systems for Solids. 8.4 Extractors, Desolventizers, Toasters, Dryers, and Spent Flake Conveyors. 8.5 Grinders. 8.6 Miscella Filters. 8.7 Wastewater Evaporation. 8.8 Pressure Vessels and Tanks. 8.9 Heat Exchangers, Condensers, and Flash Drums. 8.10 Process Controls. Annex A Explanatory Material Annex B Description of the Solvent Extraction Process Annex C Operational Practices Annex D Informational References

This standard shall apply to the commercial scale extraction processing of animal and vegetable oils and fats by the use of Class I flammable hydrocarbon liquids, hereinafter referred to as “solvents.”