PSD Permit Program Overview brochure by EPADocs

VIEWS: 40 PAGES: 2

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                                                                                                             pollutant3. An existing source that makes
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Rhfmhehb`ms                       The PSD permitting program is a Clean Air                    permit (see part 40 of the Code of Federal
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Oqnfq`l>               Act permitting program for new and modi-                     Regulations section 52.21).
The purpose of the Prevention of Significant    fied major sources of air pollution such as
                                                power plants, manufacturing facilities, and
Deterioration (PSD) Permitting Program is to:
                                                other facilities that emit air pollution. PSD                Vg`s
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                                                applies to all pollutants that do not exceed                 Adrs
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   prevent violations of the Clean Air Act
                                                the National Ambient Air Quality Standards                   The Best Available Control Technology
   National Ambient Air Quality Standards
                                                (NAAQS) in an area. The NAAQS establish                      (BACT) is defined in Clean Air Act section
   (NAAQS) and protect the environment;
                                                maximum pollution concentration levels to                    169. BACT is the maximum degree of air
                                                protect public health and welfare from harm-                 pollution reduction that is feasible. BACT is
   protect air quality and visibility in
                                                ful levels of pollutants.1 Pollutants covered by             determined on a case-by-case basis consider-
   national parks, national wilderness areas
                                                the NAAQS are called “criteria pollutants”                   ing energy, environmental, and economic
   and other areas of special natural, recre-
                                                and include nitrogen oxides, volatile organic                impacts. BACT can include air pollution
   ational, scenic, or historic value;
                                                compounds (which are precursors to                           clean-up equipment, modification of the
                                                ground-level ozone), fine particulates, sulfur               production or combustion processes to
   allow economic growth while preserving
                      PSD

                                                dioxide, carbon monoxide, and lead. PSD                      reduce air pollution (such as pollution pre-
   good air quality;
                                                also applies to other “non-criteria” pollutants              vention), or other practices that reduce or

                                                that do not have a NAAQS such as sulfuric                    minimize air pollution. EPA (http://cfpub1.

   require the Best Available Control Tech-
                                                acid and hydrogen sulfide.2                                  epa.gov/rblc/htm/bl02.cfm) and California
   nology (BACT) for new or modified
   major sources of air pollution to mini-                                                                   (www.arb. ca.gov/bact/bact.htm) databases
                                                The PSD program applies to new air pollu-                    contain examples of BACT requirements in

   mize air pollution; and

                                                tion sources that emit over 250 tons per                     air permits.
                                                year of any pollutant regulated by the
   inform the public of U.S. EPA’s proposed
                                                program. For some types of air pollution

   PSD permitting decisions and allow the
                                                sources, such as power plants that use steam

   public to comment on these decisions.
                                                to generate electricity, the threshold for
                                                obtaining a PSD permit for a new source is
                                                                                                             3
                                                                                                              See 40 Code of Federal Regulations section 52.21(b)(1) for
                                                1
                                                  For pollutants in areas where ambient pollution levels     a list of the types of sources that have a 100 ton per year
                                                 exceed EPA standards, other permitting regulations apply.   threshold. This same list determines whether fugitive emis-
                                                2
                                                  See 40 Code of Federal Regulations section 52.21(b)(23)    sions are included when determining whether a source is
                                                 for a list of “non-criteria” pollutants.                    subject to the PSD program.
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An air impact quality analysis is performed to
determine whether the new emissions from a
                                                   The PSD program requires an additional
                                                   impacts analysis assessment of the impacts
                                                                                                            Prevention of
proposed major stationary source or major
modification will cause or contribute to a
                                                   on soils, vegetation and visibility caused by
                                                   increases of regulated pollutants from the                Significant
violation of any NAAQS, or exceed the maxi-        source or modification under review, and
mum allowable effect on ambient air quality
(“PSD Increments”) under Clean Air Act
                                                   from associated growth. Associated growth
                                                   is industrial, commercial, and residential
                                                                                                            Deterioration
section 165.                                       growth that will occur in the area due to
                                                   the source.
                                                                                                                (PSD)
Generally, the analysis will involve (1) an
assessment of existing air quality, which may
include outdoor monitoring data and a tool
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called air quality dispersion modeling, and        nm
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(2) predictions, using air pollution dispersion    You can find out more about opportunities
modeling, of ambient pollution concentra-          to obtain information and comment on PSD                 Odqlhsshmf
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tions that would result from the applicant’s       projects, and the public involvement process,                Nudquhdv

proposed project and future growth associ-         from the contact for a specific project. For a
ated with the project.                             list of agencies delegated authority to issue
                                                   PSD permits, see www.epa.gov/region09/air/
PSD regulations provide special protection to      permit/permitdelegation.html. You can find
National Parks and Wilderness areas (and           information on the public process for permits
other areas of special natural, scenic, recre-     processed by U.S. EPA Region 9 at: www.epa.
ational, or historic value) that are designated    gov/region09/air/permit/index.html.
Class I areas. The Federal Land Manager,
(FLM) such as the National Park Service or
the U.S. Forest Service, determines the Air
Quality Related Values for a Class I area,
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which can be used to determine if a source
will have an adverse impact in a Class I area.     See section 40 of the Code of Federal Regula-
The FLM may recommend denying a PSD                tions part 52 (www.epa.gov/nsr/actions.html)
                                                   or the PSD sections of U.S. EPA’s draft New
permit, even in cases where the project would
                                                   Source Review Workshop Manual (www.epa.
not violate federal air quality standards, if he
                                                   gov/nsr/publications.html).
or she finds that the project would have an
adverse impact. The permitting authority then                           Itkx

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either denies the permit or addresses the                Printed on 100% recycled paper, 50% postconsumer   O`bhehb
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finding and issues the permit.                           content – process chlorine free.

								
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