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Standar d s (E 143 -0 2)
Of fi c e o f A i r Q ua li ty P l anni ng and
Environmental Protection Agency
United States July 2002
If you have any additional questions about EPA’s Gen- Environmental Protection
eral Provisions or about how the General Provisions
affect a relevant standard, then contact one of the fol-
lowing, based on the type of information you’re seeking: Office of Air Quality Planning & Standards (E143-02)
If you’re Then contact ... For further
looking for ... information visit ...
Technical rule State or local air pollution www.epa.gov/ttn/atw/
questions* control agency stprogs.html
EPA Regional Office serving www.epa.gov/ttn/atw/
your area regions.html Part 63 Subpart A —
Applicability Determination www.epa.gov/Compliance/
for National Emission
EPA Office of Air Quality www.epa.gov/ttn/atw/
Planning and Standards eparules.html Standards for
Compliance General Provisions www.epa.gov/ttn/atw/gp/ Hazardous Air
Pollutants for Source
assistance website gppg.html
National Compliance Assis- www.epa.gov/clearinghouse/
tance Clearinghouse Categories — An
Education and outreach www.epa.gov/ttn/atw/ Overview
* Providers of technical assistance often provide compliance
assistance materials and tools.
EPA’s Air Toxics Website
fo r air t o x i c s in fo r ma ti o n . . .
General Provi si ons [40 CFR Part 63, Subpart A]:
w ww.e pa .gov /ttn/at w/ gp/gp pg.ht ml
Source Cate gory List [sect i on 112 (c),
for section (d)]:
w ww.e pa .gov /ttn/at w/ soca tl st/ socatpg.h tm l
Residual Ri sk [section 112(f)]:
w ww.e pa .gov /ttn/at w/ re sid ri skpg.htm l
New/Rec onst ructed Sou rces [section 112(g)]:
w ww.e pa .gov /ttn/at w/ 112g/112gpg.h tm l
Work Practice Standards [section 112(h)]:
w ww.e pa .gov /ttn/at w/ 112hpg.ht ml
Equivalent Emission Limitations b y Permit
[section 112(j)] :
w ww.e pa .gov /ttn/at w/ 112j/112jaypg.h tml
Hazard ous Ai r Pollut ants (HAP):
w ww.e pa .gov /ttn/at w/ 188poll s.h tml
What the Part 63
hazardous air pollutants (HAP) at a rate of at least 10 tons
per year of a single pollutant or at least 25 tons per year of
How do I know whether I’m a new or
a combination of pollutants, then you may be subject to existing source?
Subpart A General Provisions
requirements under section 112(g). 112(g) is a transitional
are all about …. measure to ensure that HAP emissions don’t increase if a
To determine whether you’re a new or existing source
under the General Provisions, you must first determine
facility is constructed or reconstructed before a MACT
the initial startup of your affected source and the pro-
standard is issued for that particular category of sources.
posal date of the standard to which you’re subject.
The Part 63 General Provisions were If you are subject to section 112(g), then you must also
comply with the General Provisions.
If your initial Then you’re And must comply with
originally published on March 16, 1994 (59 FR 12430). startup is ... considered ... the relevant standard
The intent of the General Provisions was to put into See the reverse page for websites on: the General Provi- by ...
one subpart (Subpart A) many of the requirements sions; sections 112(c), (f), (g), (h) and (j) of the Clean Air On or before the An existing source By the compliance date of
common to all part 63 standards. The General Provi- Act; and HAP.
proposal date the relevant standard
sions amendments were finalized on April 5, 2002
(67 FR 16582). After the proposal A new source At startup or by the effec-
Some individual part 63 standards may have require-
What types of requirements are in the date tive date of the standard,
whichever is later [§63.6(b)].
ments that differ from Subpart A. In such cases, the Exception: If the promul-
gated standard is more
requirements within the standard should be followed. The General Provisions include requirements for both new stringent than the proposed
A table in the back of the standard will indicate which one, comply not later than
and existing sources. The requirements covered by the 3 years after the effective
General Provisions sections apply and which do not. General Provisions are grouped into 15 sections: date of the standard
To whom do the General Provisions 2.
Units and Abbreviations
apply? 4. Prohibited Activities and Circumvention H ow have the General Provisions
5. Preconstruction Review and Notification Require- changed since original promulgation?
The General Provisions apply to you if you’re a
source that is regulated by any standard or other
6. Compliance With Standards and Maintenance On April 5, 2002, the EPA finalized (promulgated)
requirement that falls under a source category listed
Requirements amendments that revised many sections within the Gen-
under section 112(c) [List of Source Categories] of
7. Performance Testing Requirements eral Provisions. An overview table that describes these
the Clean Air Act and you’re subject to any of the
8. Monitoring Requirements changes can be found at www.epa.gov/ttn/atw/gp/
9. Notification Requirements signifchan.pdf.
10. Recordkeeping and Reporting Requirements
• Part 63 National Emission Standards for Haz-
11. Control Device Requirements (Flares)
ardous Air Pollutants (NESHAP) under sec-
tion 112(d) [Emission Standards], also referred
12. State Authority and Delegations Are tools available to help me under-
to as MACT standards
13. Addresses of State Air Pollution Control Agencies stand my requirements?
and EPA Regional Offices
• “Residual risk” standards [112(f)]
14. Incorporations by Reference You can see what is currently planned by going to the
• NESHAP work practice standards [112(h)]
15. Availability of Information and Confidentiality General Provisions Implementation Plan at www.epa.gov/
• Equivalent emission limitations by permit
MACT determinations [112(j)] An index to the General Provisions is available under
EPA’s General Provisions website, www.epa.gov/ttn/atw/gp/
If you’re a new or “reconstructed” source that keyword.pdf. The index identifies key words and topics,
You may also visit the General Provisions Rule and
doesn’t fall under a source category listed under sec- with references to applicable sections. Implementation page at www.epa.gov/ttn/atw/gp/gppg.html
tion 112(c), but you have the potential to emit for more information about this rule.