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AD - 4
AIR QUALITY PROCEDURES FOR CIVILIAN AIRPORTS & AIR FORCE BASES
(THE "AIR QUALITY HANDBOOK")
ADDENDUM
GLOSSARY (p. xiii)
Criteria Pollutants
l
Section 112 ( i
–
i
PM-2.5
(NAAQS)
1. ION (p.1)
1.1 (p.1)
1.1.1 (p.1)
ity Rule.
l l
ity
i
x
(SO2 2).
Contains and defines commonly used terms in the field of airport air quality.
The following terms and definitions have been amended or added to the handbook:
– As one of the criteria pollutants, particulate matter is now segregated
into two size ranges: equa to or less than 10 microns in diameter (PM-10) and equal to or
less than 2.5 microns in diameter (PM-2.5). There are separate NAAQS for both categories.
Hazardous Air Pollutants – Under the federal Clean Air Act and it’s amendments, the U.S.
EPA has initially identified 188 air pollutants that meet this definition and are regulated under
Toxic A r Pollutants) of the act. These include a wide variety of organic and
inorganic chemicals and compounds.
NAAQS Assessment For the purposes of this Handbook, this refers to the use of an air
quality model to predict ambient concentrations of air pollutants and the comparison of these
results to the National Amb ent Air Quality Standards.
- is a criteria air pollutant for which there are National Ambient Air Quality Standards
and represents the category of particulates categorized as “fine” particulate matter
(e.g. with an aerodynamic diameter of 2.5 microns or less). These particles are considered a
health risk because of their ability to penetrate deep into the human respiratory system.
INTRODUCT
Provides information on the origins of the Handbook and its applicability to airports and air bases in
the U.S. and those located abroad.
No changes.
Regulatory Context
Provides background information on the relevance and applicability of the Handbook with respect to
the list of Federal and state regulations that follow.
No changes.
Federal Requirements and Documents – General
Provides overviews of NEPA, CAA & General Conform
For additiona and updated information and guidance on Genera Conformity and Transportation
Conformity, see Addendum Section 2.1.4 (General Conform ) below.
Under the section Clean A r Act (p.3, 3rd para. 3rd sen,) the pollutant PM-2.5 should be added to the
list of "criteria pollutants." In addition, sulfur oxide (SO ) should be corrected to read sulfur dioxide
) and the abbreviation for nitrogen dioxide should be corrected to read (NO
AD - 5
AIR QUALITY PROCEDURES FOR CIVILIAN AIRPORTS & AIR FORCE BASES
(THE "AIR QUALITY HANDBOOK")
ADDENDUM (Continued)
1.1.2 (p.4)
i
being
Polici
1.1.3 (p. 5)
1.1.4 (p. 6)
l
2. (p. 7)
2.1 (p. 7)
35).
The
.” revision to
l
2.1.1 (p. 11)
Federal Requirements and Documents - DOT/FAA – Specific
Provides summary information on NEPA-related regulations including FAA Orders 5050.4 (Airport
Environmental Handbook) and 1050.1 (Policies and Procedures for Cons dering Environmental
Impacts).
FAA Order 5050.4A is revised with up-to-date information on conducting air quality
assessments for airport improvement projects and actions. Check the FAA Airport Environmental
Program website (www.faa.gov/arp/environmental) to ensure that you use the most recent version.
For an update of FAA Order 1050, see FAA Order 1050.1D CHG4, es & Procedures for
Considering Environmental Impacts (June 14, 1999). (Reference 99)
Federal Requirements and Documents - DOD/USAF – Specific
Provides summary information on military NEPA-related regulations.
No changes.
State and/or Local Requirements
Discusses potential for state / local regu ations.
No changes.
AIR QUALITY ASSESSMENT PROCESS
Assessment Process Steps
Provides overview of process and introduces the flowchart entitled Air Quality Assessment Process for
Airports and Air Bases.
For clarification, the term “Assessment of NAAQS” means comparison to the applicable National
Ambient Air Quality Standards based on the results of atmospheric dispersion modeling.
Figure 1 and Figure 2 on pages 9 and 10 of the Handbook have been updated and combined as
Figure 1 (Parts A and B) and contained in the Appendix to this Addendum (see pages AD-34 and ADThe
established level of commercial service airport activity below which a NAAQS assessment is
not recommended has been corrected in both instances to be consistent with the text in 2.3.4.
threshold level has been corrected to read “activity more than 1.3 million passengers annual
　
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