Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Units. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. (Reserved) Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 Certification 4.1 General. 4.2 Certification Program. 4.3 Inspection and Testing. 4.4 Annual Verification. 4.5 Manufacturers’ Quality Assurance Program. 4.6 Hazards Involving Compliant Product. 4.7 Manufacturers’ Investigation of Complaints and Returns. 4.8 Manufacturers’ Safety Alert and Product Recall Systems.Chapter 5 Labeling and Information 5.1 General Requirements. 5.2 NFPA1991-Specific Requirements. 5.3 NFPA1992-Specific Requirements. 5.4 NFPA1994-Specific Requirements. Chapter 6 Design Requirements 6.1 General Design Requirements (NFPA1991, NFPA1992, and NFPA1994). 6.2 Design Requirements Specific to NFPA1991 Ensembles and Elements. 6.3 Design Requirements Specific to NFPA1992 Ensembles and Ensemble Elements. 6.4 Design Requirements Specific to NFPA1994 Ensembles. Chapter 7 Performance Requirements 7.1 General Performance Requirements (Applies to NFPA1991, NFPA1992, and NFPA1994). 7.2 Specific Performance Requirements for NFPA1991Vapor-Protective Ensembles and Elements. 7.3 Specific Requirements for NFPA1992Liquid Splash-Protective Ensembles and Elements. 7.4 Specific Requirements for NFPA1994 Hazardous Materials Emergencies and CBRN Terrorism Incidents.Chapter 8 Test Methods 8.1 Sample Preparation Procedures. 8.2 Integrity Tests. 8.3 Chemical/Barrier Performance Tests. 8.4 Flammability and Flash Fire Performance Tests. 8.5 Physical Performance Tests. 8.6 Ensemble/Component Functional Performance Tests. 8.7 Stealth Tests. Annex A Explanatory Material Annex B Informational References