I. INTRODUCTION
     1.1 Purpose
     1.2 Scope
     1.3 Basis for FM Approval
     1.4 Basis for Continued Approval
     1.5 Basis for Requirements
     1.6 Effective Date
     1.7 System of Units
II. GENERAL INFORMATION
     2.1 Product Information
III. APPLICABLE DOCUMENTS AND GLOSSARY
     3.1 Applicable Documents
     3.2 Glossary
IV. GENERAL REQUIREMENTS (OTHER THAN PERFORMANCE REQUIREMENTS)
     4.1 Markings
     4.2 Instructions
     4.3 Physical or Structural Features
     4.4 Drawings/Plans/Specifications Required
     4.5 Manufacturer's Responsibilities
V. PERFORMANCE REQUIREMENTS
     5.1 Threads
     5.2 Venting Pressure Relief Test
     5.3 Liquid Leakage Test
     5.4 Vacuum Relief Test
     5.5 Flame Arrester
     5.6 Emergency Venting Capacity
     5.7 Fusible Plugs
     5.8 Plastic Bungs - Chemical Resistance
     5.9 Plastic Bungs - Aging
     5.10 Plastic Bungs - Burning Rate
     5.11 Plastic Bungs - Brittleness Temperature
     5.12 Plastic Bungs - Vicat Softening Point
VI. OPERATIONS REQUIREMENTS
     6.1 Demonstrated Quality Control Program
     6.2 Facilities and Procedures Audit (F&PA)
APPENDIX A: APPROVAL MARKS
APPENDIX B: UNITS OF MEASUREMENT