Aviation Emissions and Air Quality Handbook  • FAA Order JO 7400.2 and subsequent Orders  - This order prescribes policy, criteria,  guidelines, and procedures applicable to the System Operations Services, Operations Airspace and Aeronautical Information Manual (AIM); Technical Operations  ATC Spectrum Engineering Services; the Office of Airport Planning and Programming  (APP); the Office of Airport Safety and Standards (AAS); Technical Operations Aviation  System Standards (AVN); and the Flight Standards Service (AFS).  FAA authority. It is recommended for airport personnel, sponsors, and others involved in  airport actions when considering environmental impacts.  The Clean Air Act (CAA) 4  and the Amendments (CAAA) set the overall policy for managing air  quality across the nation. The CAA is comprised of seven major Titles, designed to promulgate  and implement necessary regulations that would safeguard ambient air:  Of the seven Titles listed, the subjects discussed in subsequent sections of this  Handbook  pertain  mostly to  Titles I, II,  and  III .  • Title I: Provisions for Attainment and Maintenance of National Ambient Air Quality  Standards  – Establishes the framework by which outdoor air  pollutant levels are  measured, evaluated, and if required, reduced;  • Title II: Provisions Relating to Mobile Sources  – Gives EPA (and in some cases other  federal agencies) the ability to establish emissions regulations for engines and fuels;  • Title III: Air Toxics  – Provides a mechanism to define, assess and control air toxics from  major sources;  • Title IV: Acid Deposition Control  – Identifies special provisions for pollutant emissions  that return to the earth in acidic rain, fog, or snow and are shown to damage ecosystems,  and structures, and impact health;  • Title V: Permits  – Mandates eligible air emissions sources to secure and maintain an  operating permit such that all applicable requirements of the CAA are met;  • Title VI: Stratospheric Ozone and Protection  of the Global Climate  – Pursuant to the  Montreal Protocol of 1990, identifies a timeline by which substances with stratospheric  ozone depleting potential will be phased out; and  • Title VII: Provisions Relating to Enforcement  – Identifies a broad array of a uthorities  and penalties designed to enhance the enforceability of the CAA.  CAA Public Law 88-206, http://www.epw.senate.gov/envlaws/cleanair.pdf.  4  5$_{ }$ 2.2. Clean Air Act 