Chapter 32. Environmental Matters ▶ Section 1. General Information 32-1-1. PURPOSE 32-1-2. POLICY 32-1-3. BACKGROUND 32-1-4. DELEGATION OF AUTHORITY 32-1-5. RESPONSIBILITIES ▶ Section 2. Environmental Processing 32-2-1. THE PROCESS 32-2-2. ENVIRONMENTAL REVIEW OF FLIGHT PROCEDURES AND OTHER AIR TRAFFIC ACTIONS 32-2-3. ENVIRONMENTAL REVIEW OF SPECIAL USE AIRSPACE (SUA) ACTIONS 32-2-4. CFR PART 150 STUDIES 32-2-5. ENVIRONMENTAL REVIEW OF LETTERS OF AGREEMENT AND OTHER AIRSPACE AND AERONAUTICAL DOCUMENTS ▶ Section 3. Environmental Impact Categories and Other Topics 32-3-1. ENVIRONMENTAL IMPACT CATEGORIES TO BE INCLUDED IN ANALYSIS 32-3-2. ENVIRONMENTAL IMPACT CATEGORIES EXCLUDED FROM ANALYSIS 32-3-3. ENVIRONMENTAL SCREENING AND MODELING TOOLS 32-3-4. RECORDS RETENTION ▶ Section 4. Air Traffic‐Specific Environmental Guidance and Requirements 32-4-1. DEPARTMENT OF TRANSPORTATION (DOT) ACT SECTION 4(f) (RECODIFIED AS 49 USC SECTION 303(c)) 32-4-2. NATIONAL HISTORIC PRESERVATION ACT (NHPA) § 106: ACTIONS NOT REQUIRING CONSULTATION 32-4-3. COMMUNITY INVOLVEMENT 32-4-4. SEGMENTATION AND INDEPENDENT UTILITY 32-4-5. DIVERSE VECTOR AREAS (DVA) 32-4-6. NATIONAL SECURITY AREAS (NSAs) 32-4-7. PROHIBITED AREA AND ALERT AREA DESIGNATIONS 32-4-8. RECORDS RETENTION 32-4-9. APPENDICES 32-4-10. MEMORANDUMS AND EMAILS SUPERSEDED BY THIS ORDER