Chapter 27. Controlled Firing AreasSection 1. General27-1-1. DEFINITION27-1-2. PURPOSE27-1-3. CRITERIA27-1-4. CHARTING27-1-5. DIMENSIONS27-1-6. ACTIVITIES27-1-7. APPROVAL27-1-8. SUSPENSION OR REVOCATIONSection 2. Processing27-2-1. SUBMISSION REQUIREMENTS27-2-2. CFA PROPOSALS27-2-3. SERVICE CENTER OSG ACTION27-2-4. APPROVAL LETTERSection 3. Safety Precautions27-3-1. USER RESPONSIBILITIES27-3-2. PRECAUTIONARY MEASURES27-3-3. AREA SURVEILLANCE