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AIR QUALITY PROCEDURES FOR CIVILIAN AIRPORTS & AIR FORCE BASES
(THE "AIR QUALITY HANDBOOK")
ADDENDUM (Continued)
Air Monitoring Data & Information,
lso
2.2 (p. 15)
2.3
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level(
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only.
i
i , FAA Community &
2.3.1 (p. 16)
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2.3.2 (p. 18)
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following:
Common HAPs Associated with Aircraft & Airport Operations,
Agency Guidelines & Standards,
HAPs Emission Factors and
Atmospheric Dispersion Models.
The report a contains an extensive List of References and Annotated Bibliography of relevant
materials pertaining to HAPs associated with aircraft and airports. This material will be continually
updated as new information becomes available.
The next phase of this process is the development of standardized HAPs assessment and modeling
guidelines for airport-related projects and actions. This work is currently underway and is expected to be
completed in 2004.
Assessment Process Participants
Provides overview of agency roles and responsibilities.
No changes.
Screening Thresholds (p. 15)
Introduces and discusses the screening thresholds, or conditions, used to determ ne the type(s) and
s) of analyses required or recommended.
The information (i.e. project and analysis types and thresholds contained in Figure 3 (Air Quality
Analysis Gu delines and Thresholds on pg. 17 of the Handbook are provided for guidance purposes
The actual types and extent of analyses needed is determined on a case-by-case (or project-byproject)
basis in consultation with federal, state and local agencies.
For additional information on the need for a conformity analysis, the following publications should also
be consulted:
40 CFR Parts 51 and 93, Determining Conform ty of General Federal Actions to State or
Federal Implementation Plans, Final Rule, U.S. EPA, November 30, 1993.
General Conform ty Guidance for Airports – Questions & Answers
Environmental Needs Division and the U.S. EPA OAQPS, Air Quality Strategies & Standards
Division (September 25, 2002).
Indirect Source Review
States the conditions for this potential local requirement.
The list of States that have Indirect Source Review (ISR) (also known as Transportation Facility
Permits) changes over time. Therefore, these requirements shou d be verified on a case-by-case, or
state-by-state, basis.
Transportation Conformity
Explains applicability of this CAA requirement.
For additiona information on the applicability of the Transportation Conformity requirements see the
AD - 10
AIR QUALITY PROCEDURES FOR CIVILIAN AIRPORTS & AIR FORCE BASES
(THE "AIR QUALITY HANDBOOK")
ADDENDUM (Continued)
4 i
j
(July 1, 1998).
2.3.3 (p. 18)
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2.3.4 (p. 19)
of of
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Figure 4: i to
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0 CFR Part 93, Subpart A, Conform ty to State or Federal Implementation Plans of
Transportation Plans, Programs and Pro ects Developed, Funded or Approved Under Title
23 U.S.C. or the Federal Transit Laws
General Conformity
Explains the General Conform ty threshold rates given in Table 1.
For additional and updated information on the applicability of the General Conformity requirements
see the following:
40 CFR Parts 51 and 93, Determining Conform ty of General Federal Actions to State or
Federal Implementation Plans, Final Rule, U.S. EPA, November 30, 1993.
General Conform ty Guidance for Airports – Questions & Answers
Environmental Needs Division and the U.S. EPA OAQPS, Air Quality Strategies & Standards
Division (September 25, 2002).
It is important to note that the conformity process is separate from the NEPA process, described in
Section 2.3.4. However, the conformity analysis can be completed concurrently with the NEPA
analysis, and linkage between the two is allowed. For additional information, see Section 5.3.2 of the
Handbook.
NAAQS Assessment – General
Discusses preparation NAAQS Assessments, which establish levels annual commercial
enplanements and/or general aviation activity below which an assessment is not recommended.
For clarification, the term “NAAQS Assessment” means comparison to the applicable National Ambient
Air Quality Standards based on the results of atmospheric dispersion modeling.
The statement “For airports, a main pollutant of concern from an air quality standpoint is CO” (1
sentence should be expanded to include the other criteria air pollutants of NOx, ozone and
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