(a) This subpart can be implemented and enforced by the U.S. EPA, or a delegated authority such as the applicable State, local, or Tribal agency. If the U.S. EPA Administrator has delegated authority to a State, local, or Tribal agency, then that agency, in addition to the U.S. EPA, has the authority to implement and enforce this subpart. Contact the applicable U.S. EPA Regional Office to find out if implementation and enforcement of this subpart is delegated to a State, local, or Tribal agency.
(b) In delegating implementation and enforcement authority of this subpart to a State, local, or Tribal agency under subpart E of this part, the authorities contained in paragraph (c) of this section are retained by the Administrator of U.S. EPA and cannot be transferred to the State, local, or Tribal agency.
(c) The authorities that cannot be delegated to State, local, or Tribal agencies are as specified in paragraphs (c)(1) through (4) of this section.
(1) Approval of alternatives to the requirements in Secs. 63.340, 63.342(a) through (e) and (g), and 63.343(a).
(2) Approval of major alternatives to test methods under Sec. 63.7(e)(2)(ii) and (f), as defined in Sec. 63.90, and as required in this subpart.
(3) Approval of major alternatives to monitoring under Sec. 63.8(f), as defined in Sec. 63.90, and as required in this subpart.
(4) Approval of major alternatives to recordkeeping and reporting under Sec. 63.10(f), as defined in Sec. 63.90, and as required in this subpart. [68 FR 37347, June 23, 2003]
Sec. Table 1 to Subpart N of Part 63--General Provisions Applicability
to Subpart N ----------------------------------------------------------------------------------------------------------------
General provisions reference Applies to subpart N Comment----------------------------------------------------------------------------------------------------------------63.1(a)(1).................................... Yes.......................... Additional terms defined in Sec.
63.341; when overlap between
subparts A and N occurs, subpart
N takes precedence.63.1(a)(2).................................... Yes63.1(a)(3).................................... Yes63.1(a)(4).................................... Yes.......................... Subpart N clarifies the
applicability of each paragraph
in subpart A to sources subject
to subpart N.63.1(a)(5).................................... No........................... [Reserved]63.1(a)(6).................................... Yes63.1(a)(7)-(9)................................ No........................... [Reserved]63.1(a)(10)................................... Yes63.1(a)(11)................................... Yes.......................... Sec. 63.347(a) of subpart N also
allows report submissions via
fax and on electronic media.63.1(a)(12)................................... Yes..........................63.1(b)(1).................................... No........................... Sec. 63.340 of subpart N
specifies applicability.63.1(b)(2).................................... No........................... [Reserved]63.1(b)(3).................................... No........................... This provision in subpart A is
being deleted. Also, all
affected area and major sources
are subject to subpart N; there
are no exemptions.63.1(c)(1).................................... Yes.......................... Subpart N clarifies the
applicability of each paragraph
in subpart A to sources subject
to subpart N.63.1(c)(2).................................... Yes.......................... Sec. 63.340(e) of Subpart N
exempts area sources from the
obligation to obtain Title V
operating permits.63.1(c)(3)-(4)................................ No........................... [Reserved]63.1(c)(5).................................... No........................... Subpart N clarifies that an area
source that becomes a major
source is subject to the
requirements for major sources.63.1(e)....................................... Yes63.2.......................................... Yes.......................... Additional terms defined in Sec.
63.341; when overlap between
subparts A and N occurs, subpart
N takes precedence.63.3.......................................... Yes.......................... Other units used in subpart N are
defined in that subpart.63.4(a)(1)-(2)................................ Yes..........................63.4(a)(3)-(5)................................ No........................... [Reserved]63.4(b)-(c)................................... Yes..........................63.5(a)....................................... Yes.......................... Except replace the term
``source'' and ``stationary
source'' in Sec. 63.5(a) (1)
and (2) of subpart A with
``affected sources.''63.5(b)(1).................................... Yes63.5(b)(2).................................... No........................... [Reserved]63.5(b)(3).................................... Yes.......................... Applies only to major affected
sources.63.5(b)(4).................................... No........................... Subpart N (Sec. 63.345)
specifies requirements for the
notification of construction or
reconstruction for affected
sources that are not major.63.5(b)(5).................................... No........................... [Reserved]63.5(b)(6).................................... Yes63.5(c)....................................... No........................... [Reserved]63.5(d)(1)(i)................................. No........................... Sec. 63.345(c)(5) of subpart N
specifies when the application
or notification shall be
submitted.63.5(d)(1)(ii)................................ Yes.......................... Applies to major affected sources
that are new or reconstructed.63.5(d)(1)(iii)............................... Yes.......................... Except information should be
submitted with the Notification
of Compliance Status required by
Sec. 63.347(e) of subpart N.63.5(d)(2).................................... Yes.......................... Applies to major affected sources
that are new or reconstructed
except: (1) replace ``source''
in Sec. 63.5(d)(2) of subpart A
with ``affected source''; and
(2) actual control efficiencies
are submitted with the
Notification of Compliance
Status required by Sec.
63.347(e).63.5(d)(3)-(4)................................ Yes.......................... Applies to major affected sources
that are new or reconstructed.63.5(e)....................................... Yes.......................... Applies to major affected sources
that are new or reconstructed.63.5(f)(1).................................... Yes.......................... Except replace ``source'' in Sec.
63.5(f)(1) of subpart A with
``affected source.''63.5(f)(2).................................... No........................... New or reconstructed affected
sources shall submit the request
for approval of construction or
reconstruction under Sec.
63.5(f) of subpart A by the
deadline specified in Sec.
63.345(c)(5) of subpart N.63.6(a)....................................... Yes63.6(b)(1)-(2)................................ Yes.......................... Except replace ``source'' in Sec.
63.6(b)(1)-(2) of part A with
``affected source.''63.6(b)(3)-(4)................................ Yes63.6(b)(5).................................... Yes.......................... Except replace ``source'' in Sec.
63.6(b)(5) of subpart A with
``affected source.''63.6(b)(7).................................... No........................... Provisions for new area sources
that become major sources are
contained in Sec. 63.343(a)(4)
of subpart N.63.6(c)(1)-(2)................................ Yes.......................... Except replace ``source'' in Sec.
63.6(c)(1)-(2) of subpart A
with ``affected source.''63.6(c)(3)-(4)................................ No........................... [Reserved]
63.6(c)(5).................................... No........................... Compliance provisions for
existing area sources that
become major sources are
contained in Sec. 63.343(a)(3)
of subpart N.63.6(d)....................................... No........................... [Reserved]63.6(e)(1)-(3)................................ No........................... Sec. 63.342(f) of subpart N
contains work practice standards
(operation and maintenance
requirements) that override
these provisions.63.6(f)(1).................................... No........................... Sec. 63.342(b) of subpart N
specifies when the standards
apply.63.6(f)(2)(i)-(ii)............................ Yes63.6(f)(2)(iii)............................... No........................... Sec. 63.344(b) of subpart N
specifies instances in which
previous performance test
results for existing sources are
acceptable.63.6(f)(2)(iv)................................ Yes63.6(f)(2)(v)................................. Yes63.6(f)(3).................................... Yes63.6(g)....................................... Yes63.6(h)(1).................................... No........................... SSM Exception63.6(h)(2).................................... No........................... Subpart N does not contain any
opacity or visible emission
standards.63.6(i)(1).................................... Yes63.6(i)(2).................................... Yes.......................... Except replace ``source'' in Sec.
63.6(i)(2)(i) and (ii) of
subpart A with ``affected
source.''63.6(i)(3).................................... Yes63.6(i)(4)(i)................................. No........................... Sec. 63.343(a)(6) of subpart N
specifies the procedures for
obtaining an extension of
compliance and the date by which
such requests must be submitted.63.6(i)(4)(ii)................................ Yes63.6(i)(5).................................... Yes63.6(i)(6)(i)................................. Yes.......................... This paragraph only references
``paragraph (i)(4) of this
section'' for compliance
extension provisions. But, Sec.
63.343(a)(6) of subpart N also
contains provisions for
requesting a compliance
extension.63.6(i)(6)(ii)................................ Yes63.6(i)(7).................................... Yes63.6(i)(8).................................... Yes.......................... This paragraph only references
``paragraphs (i)(4) through
(i)(6) of this section'' for
(6) of this section'' for
compliance extension provisions.
But, Sec. 63.343(a)(6) of
subpart N also contains
provisions for requesting a
compliance extension.63.6(i)(9).................................... Yes.......................... This paragraph only references
``paragraphs (i)(4) through
(i)(6) of this section'' and
(6) of this section'' and
``paragraphs (i)(4) and (i)(5)
of this section'' for compliance
extension provisions. But, Sec.
63.343(a)(6) of subpart N also
contains provisions for
requesting a compliance
extension.63.6(i)(10)(i)-(iv)........................... Yes63.6(i)(10)(v)(A)............................. Yes.......................... This paragraph only references
``paragraph (i)(4)'' for
compliance extension provisions.
But, Sec. 63.343(a)(6) of
subpart N also contains
provisions for requesting a
compliance extension.63.6(i)(10)(v)(B)............................. Yes63.6(i)(11)................................... Yes63.6(i)(12)(i)................................ Yes.......................... This paragraph only references
``paragraph (i)(4)(i) or (i)(5)
of this section'' for compliance
extension provisions. But, Sec.
63.343(a)(6) of subpart N also
contains provisions for
requesting a compliance
extension.63.6(i)(12)(ii)-(iii)......................... Yes63.6(i)(13)................................... Yes63.6(i)(14)................................... Yes63.6(i)(15)................................... No........................... [Reserved]63.6(i)(16)................................... Yes63.6(j)....................................... Yes63.7(a)(1).................................... Yes63.7(a)(2)(i)-(viii).......................... No........................... [Reserved]63.7(a)(2)(ix)................................ Yes63.7(a)(3).................................... Yes63.7(a)(4).................................... Yes..........................63.7(b)(1).................................... No........................... Sec. 63.347(d) of subpart N
requires notification prior to
the performance test. Sec.
63.344(a) of subpart N requires
submission of a site-specific
test plan upon request.63.7(b)(2).................................... Yes63.7(c)....................................... No........................... Sec. 63.344(a) of subpart N
specifies what the test plan
should contain, but does not
require test plan approval or
performance audit samples.63.7(d)....................................... Yes.......................... Except replace ``source'' in the
first sentence of Sec. 63.7(d)
of subpart A with ``affected
source.''63.7(e)(1).................................... No........................... See Sec. 63.344(a). Any cross
reference to Sec. 63.7(e)(1) in
any other general provision
incorporated by reference shall
be treated as a cross-reference
to Sec. 63.344(a).63.7(e)(2)-(4)................................ Yes.......................... Subpart N also contains test
methods specific to affected
sources covered by that subpart.
63.7(f)....................................... Yes.......................... Sec. 63.344(c)(2) of subpart N
identifies CARB Method 425 as
acceptable under certain
conditions.63.7(g)(1).................................... No........................... Subpart N identifies the items to
be reported in the compliance
test [Sec. 63.344(a)] and the
timeframe for submitting the
results [Sec. 63.347(f)].63.7(g)(2).................................... No........................... [Reserved]63.7(g)(3).................................... Yes63.7(h)(1)-(2)................................ Yes63.7(h)(3)(i)................................. Yes.......................... This paragraph only references
``Sec. 63.6(i)'' for compliance
extension provisions. But, Sec.
63.343(a)(6) of subpart N also
contains provisions for
requesting a compliance
extension.63.7(h)(3)(ii)-(iii).......................... Yes63.7(h)(4)-(5)................................ Yes63.8(a)(1).................................... Yes63.8(a)(2).................................... No........................... Work practice standards are
contained in Sec. 63.342(f) of
subpart N.63.8(a)(3).................................... No........................... [Reserved]63.8(a)(4).................................... No63.8(b)(1).................................... Yes63.8(b)(2).................................... No........................... Sec. 63.344(d) of subpart N
specifies the monitoring
location when there are multiple
sources.63.9(b)(3).................................... No........................... [Reserved]63.8(c)(1)(i)................................. No........................... Subpart N requires proper
maintenance of monitoring
devices expected to be used by
sources subject to subpart N.63.8(c)(1)(ii)................................ No........................... Sec. 63.342(f)(3)(iv) of subpart
N specifies reporting when the
O&M; plan is not followed.63.8(c)(1)(iii)............................... No........................... Sec. 63.343(f)(2) identifies the
criteria for whether O&M;
procedures are acceptable.63.8(c)(2)-(3)................................ No........................... Sec. 63.344(d)(2) requires
appropriate use of monitoring
devices.63.8(c)(4)-(7)................................ No63.8(d)....................................... No........................... Maintenance of monitoring devices
is required by Secs. 63.342(f)
and 63.344(d)(2) of subpart N.63.8(e)....................................... No........................... There are no performance
evaluation procedures for the
monitoring devices expected to
be used to comply with subpart
N.63.8(f)(1).................................... Yes63.8(f)(2).................................... No........................... Instances in which the
Administrator may approve
alternatives to the monitoring
methods and procedures of
subpart N are contained in Sec.
63.343(c)(8) of subpart N.63.8(f)(3).................................... Yes63.8(f)(4).................................... Yes63.8(f)(5).................................... Yes63.8(f)(6).................................... No........................... Subpart N does not require the
use of CEM's.63.8(g)....................................... No........................... Monitoring data does not need to
be reduced for reporting
purposes because subpart N
requires measurement once/day.63.9(a)....................................... Yes63.9(b)(1)(i)-(ii)............................ No........................... Sec. 63.343(a)(3) of subpart N
requires area sources to comply
with major source provisions if
an increase in HAP emissions
causes them to become major
sources.63.9(b)(1)(iii)............................... No........................... Sec. 63.347(c)(2) of subpart N
specifies initial notification
requirements for new or
reconstructed affected sources.63.9(b)(2).................................... No........................... Sec. 63.347(c)(1) of subpart N
specifies the information to be
contained in the initial
notification.63.9(b)(3).................................... No........................... Sec. 63.347(c)(2) of subpart N
specifies notification
requirements for new or
reconstructed sources that are
not major affected sources.63.9(b)(4).................................... No63.9(b)(5).................................... No63.9(c)....................................... Yes.......................... This paragraph only references
``Sec. 63.6(i)(4) through Sec.
63.6(i)(6)'' for compliance
extension provisions. But, Sec.
63.343(a)(6) of subpart N also
contains provisions for
requesting a compliance
extension. Subpart N provides a
different timeframe for
submitting the request than Sec.
63.6(i)(4).63.9(d)....................................... Yes.......................... This paragraph only references
``the notification dates
established in paragraph (g) of
this section.'' But, Sec.
63.347 of subpart N also
contains notification dates.63.9(e)....................................... No........................... Notification of performance test
is required by Sec. 63.347(d)
of subpart N.63.9(f)....................................... No63.9(g)....................................... No........................... Subpart N does not require a
performance evaluation or
relative accuracy test for
monitoring devices.63.9(h)(1)-(3)................................ No........................... Sec. 63.347(e) of subpart N
specifies information to be
contained in the notification of
compliance status and the
timeframe for submitting this
information.63.9(h)(4).................................... No........................... [Reserved]
63.9(h)(5).................................... No........................... Similar language has been
incorporated into Sec.
63.347(e)(2)(iii) of subpart N.63.9(h)(6).................................... Yes63.9(i)....................................... Yes63.9(j)....................................... Yes63.10(a)...................................... Yes63.10(b)(1)................................... Yes63.10(b)(2)................................... No........................... Sec. 63.346(b) of subpart N
specifies the records that must
be maintained.63.10(b)(3)................................... No........................... Subpart N applies to major and
area sources.63.10(c)...................................... No........................... Applicable requirements of Sec.
63.10(c) have been incorporated
into Sec. 63.346(b) of subpart
N.63.10(d)(1)................................... Yes63.10(d)(2)................................... No........................... Sec. 63.347(f) of subpart N
specifies the timeframe for
reporting performance test
results.63.10(d)(3)................................... No........................... Subpart N does not contain
opacity or visible emissions
standards.63.10(d)(4)................................... Yes63.10(d)(5)................................... No........................... Sec. 63.342(f)(3)(iv) and Sec.
63.347(g)(3) of subpart N
specify reporting associated
with malfunctions.63.10(e)...................................... No........................... Sec. 63.347(g) and (h) of
subpart N specify the frequency
of periodic reports of
monitoring data used to
establish compliance. Applicable
requirements of Sec. 63.10(e)
have been incorporated into Sec.
63.347(g) and (h).63.10(f)...................................... Yes63.11......................................... No........................... Flares will not be used to comply
with the emission limits.63.12-63.15................................... Yes---------------------------------------------------------------------------------------------------------------- [60 FR 4963, Jan. 25, 1995, as amended at 61 FR 27787, June 3, 1996; 70 FR 75345, Dec. 19, 2005; 77 FR 58248, Sept. 19, 2012]
Editorial Note: The following amendment could not be incorporated into Table 1 to subpart N of part 63, because of an inaccurate amendatory instruction. For the convenience of the user the amendatory instruction and regulatory text is set forth as follows:
At 77 FR 58248, Sept. 19, 2012, table 1 to subpart N of part 63 in part by revising the entry for 63.6 (b)(6).
Sec. Table 1 to Subpart N of Part 63--General Provisions Applicability
to Subpart N ------------------------------------------------------------------------General provisions reference Applies to subpart N Comment------------------------------------------------------------------------
* * * * * *63.6(b)(6).................. No.................. [Reserved]
* * * * * * *------------------------------------------------------------------------