[Federal Register Volume 84, Number 212 (Friday, November 1, 2019)]
[Rules and Regulations]
[Pages 58601-58623]
[FR Doc No: 2019-22812]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 63

[EPA-HQ-OAR-2013-0290; FRL-10001-21-OAR]
RIN 2060-AT25

National Emission Standards for Hazardous Air Pollutants for Clay
Ceramics Manufacturing

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: This action finalizes certain amendments to the National
Emission Standards for Hazardous Air Pollutants (NESHAP): Clay Ceramics
Manufacturing source category. The final amendments are being issued in
response to a petition for reconsideration filed by an affected
industry (Kohler Company) on the final rule promulgated on October 26,
2015, as well as our review of the 2015 rule with respect to certain
other issues raised by Kohler. This action revises the temperature
monitoring methodology used to demonstrate continuous compliance with
the dioxin/furan (D/F) emissions limit of the final rule. In addition,
we are addressing concerns raised by Kohler regarding visible emissions
(VE) monitoring of tunnel kiln stacks for continuous compliance with
particulate matter (PM) and mercury (Hg) emission limitations. This
action also amends the requirements for weekly visual inspections of
system ductwork and control device equipment for water curtain spray
booths. Lastly, this action amends the NESHAP to include provisions for
emissions averaging, makes technical corrections, and adds certain
definitions.

DATES: This final rule is effective on November 1, 2019.

ADDRESSES: The U.S. Environmental Protection agency (EPA) has
established a docket for this rulemaking under Docket ID No. EPA-HQ-
OAR-2013-0290. All documents in the docket are listed on the https://www.regulations.gov/ website. Although listed, some information is not
publicly available, e.g., confidential business information (CBI) or
other information whose disclosure is restricted by statute. Certain
other material, such as copyrighted material, is not placed on the
internet and will be publicly available only in hard copy form.
Publicly available docket materials are available either electronically
through https://www.regulations.gov/, or in hard copy form at the EPA
Docket Center, Room 3334, WJC West Building, 1301 Constitution Avenue
NW, Washington, DC. The Public Reading Room is open from 8:30 a.m. to
4:30 p.m., Monday through Friday, excluding legal holidays. The
telephone number for the Public Reading Room is<PHONE_NUMBER>, and the
telephone number for the EPA Docket Center is<PHONE_NUMBER>.

FOR FURTHER INFORMATION CONTACT: For questions about this final action,
contact Mr. Brian Storey, Sector Policies and Programs Division (D243-
04), Office of Air Quality Planning and Standards, U.S. Environmental
Protection Agency, Research Triangle Park, North Carolina 27711;
telephone number:<PHONE_NUMBER>; fax number:<PHONE_NUMBER>; and email
address<EMAIL_ADDRESS>
SUPPLEMENTARY INFORMATION:

    Preamble acronyms and abbreviations. We use multiple acronyms and
terms in this preamble. While this list may not be exhaustive, to

ease the reading of this preamble and for reference purposes, the EPA
defines the following terms and acronyms here:

BSCP brick and structural clay products
CAA Clean Air Act
CBI Confidential Business Information
CFR Code of Federal Regulations
D/F dioxins/furans
EJ environmental justice
EPA U.S. Environmental Protection Agency
HAP hazardous air pollutant(s)
Hg mercury
HON Hazardous Organic NESHAP
lb pounds
NAICS North American Industry Classification System
NESHAP national emission standards for hazardous air pollutants
No. number
NTTAA National Technology Transfer and Advancement Act
OMB Office of Management and Budget
PM particulate matter
POC products of combustion
PRA Paperwork Reduction Act
RFA Regulatory Flexibility Act
UMRA Unfunded Mandates Reform Act
U.S. United States
U.S.C. United States Code
v. versus
VE visible emissions

    Background information. On August 20, 2018, the EPA proposed
revisions to the Clay Ceramics Manufacturing NESHAP. In this action, we
are finalizing revisions to the rule. The EPA briefly summarizes the
more significant comments we received regarding the proposed rule that
have resulted in changes to the final rule, and we provide our
responses in this preamble. A more comprehensive summary of the public
comments on the proposal and the EPA's responses to those comments is
available in the National Emission Standards for Hazardous Air
Pollutants for Clay Ceramics Manufacturing; Amendments--Background
Information for Final Rule: Summary of Public Comments and Responses. A
``track changes'' version of the regulatory language that incorporates
the changes in this action is available in the docket.
    Organization of this document. The information in this preamble is
organized as follows:

Table of Contents

I. General Information
    A. Does this action apply to me?
    B. Where can I get a copy of this document and other related
information?
    C. Judicial Review and Administrative Reconsideration
II. Background
    A. What is the statutory authority for this action?
    B. What actions preceded these final amendments?
III. Summary of the Final Amendments
IV. Rationale for Changes to the Proposed Amendments
    A. Visible Emissions Monitoring of Tunnel Kiln Exhaust
    B. Weekly Visual Inspections of Water Curtain Spray Booths
    C. Emissions Averaging
V. Summary of Cost, Environmental, and Economic Impacts
VI. Statutory and Executive Order Reviews
    A. Executive Order 12866: Regulatory Planning and Review and
Executive Order 13563: Improving Regulation and Regulatory Review
    B. Executive Order 13771: Reducing Regulations and Controlling
Regulatory Costs
    C. Paperwork Reduction Act (PRA)
    D. Regulatory Flexibility Act (RFA)
    E. Unfunded Mandates Reform Act (UMRA)
    F. Executive Order 13132: Federalism
    G. Executive Order 13175: Consultation and Coordination With
Indian Tribal Governments
    H. Executive Order 13045: Protection of Children From
Environmental Health Risks and Safety Risks
    I. Executive Order 13211: Actions Concerning Regulations That
Significantly Affect Energy Supply, Distribution, or Use
    J. National Technology Transfer and Advancement Act (NTTAA)
    K. Executive Order 12898: Federal Actions To Address
Environmental Justice in Minority Populations and Low-Income
Populations
    L. Congressional Review Act (CRA)

I. General Information

A. Does this action apply to me?

    Table 1 of this preamble lists the NESHAP and associated regulated
industrial source categories that are the subject of this final action.
Table 1 is not intended to be exhaustive but rather provides a guide
for readers regarding the entities that this final action is likely to
affect. The final amendments will be directly applicable to the
affected sources. Federal, state, local and tribal government entities
would not be affected by this final action. As defined in the Initial
List of Categories of Sources Under Section 112(c)(1) of the Clean Air
Act Amendments of 1990 (see 57 FR 31576, July 16, 1992) and
Documentation for Developing the Initial Source Category List (see EPA-
450/3-91-030), the Clay Products Manufacturing source category as
originally listed included any facility engaged in manufacturing of
clay products such as brick, vitrified clay pipe, structural clay tile,
and clay refractories. The Clay Products Manufacturing source category
has since been replaced by the Brick and Structural Clay Products
(BSCP) Manufacturing source category and the Clay Ceramics
Manufacturing source category (see 67 FR 47894, July 22, 2002).

 Table 1--NESHAP and Industrial Source Categories Affected by This Final
                                 Action
------------------------------------------------------------------------
                                                 Examples of potentially
            Category             NAICS code \1\     regulated entities
------------------------------------------------------------------------
Industry.......................          327120  Ceramic wall and floor
                                                  tile manufacturing
                                                  facilities (Clay
                                                  Ceramics Manufacturing
                                                  NESHAP).
                                         327110  Vitreous plumbing
                                                  fixtures
                                                  (sanitaryware)
                                                  manufacturing
                                                  facilities (Clay
                                                  Ceramics Manufacturing
                                                  NESHAP).
Federal government.............  ..............  Not affected.
State/local/tribal government..  ..............  Not affected.
------------------------------------------------------------------------
\1\ North American Industry Classification System.

B. Where can I get a copy of this document and other related
information?

    In addition to being available in the docket, an electronic copy of
this final action is available on the internet. Following signature by
the EPA Administrator, the EPA will post a copy of this final action at
https://www.epa.gov/stationary-sources-air-pollution/brick-and-structural-clay-products-national-emission-standards. Following
publication in the Federal Register, the EPA will post the Federal
Register version of the final amendments and key technical documents at
this same website.
    A redline version of the regulatory language that incorporates the
changes in this final action is available in the docket for this action
(Docket ID No. EPA-HQ-OAR-2013-0290).

C. Judicial Review and Administrative Reconsideration

    Under Clean Air Act (CAA) section 307(b)(1), judicial review of
this final action is available only by filing a petition for review in
the United States Court of Appeals for the District of Columbia Circuit
by December 31, 2019. Under CAA section 307(b)(2), the requirements
established by this final rule may not be challenged separately in any
civil or criminal proceedings brought by the EPA to enforce the
requirements.
    Section 307(d)(7)(B) of the CAA further provides that only an
objection to a rule or procedure which was raised with reasonable
specificity during the period for public comment (including any public
hearing) may be raised during judicial review. This section also
provides a mechanism for the EPA to reconsider the rule if the person
raising an objection can demonstrate to the Administrator that it was
impracticable to raise such objection within the period for public
comment or if the grounds for such objection arose after the period for
public comment (but within the time specified for judicial review) and
if such objection is of central relevance to the outcome of the rule.
Any person seeking to make such a demonstration should submit a
Petition for Reconsideration to the Office of the Administrator, U.S.
EPA, Room 3000, WJC South Building, 1200 Pennsylvania Ave. NW,
Washington, DC 20460, with a copy to both the person listed in the
preceding FOR FURTHER INFORMATION CONTACT section, and the Associate
General Counsel for the Air and Radiation Law Office, Office of General
Counsel (Mail Code 2344A), U.S. EPA, 1200 Pennsylvania Ave. NW,
Washington, DC 20460.

II. Background

A. What is the statutory authority for this action?

    The statutory authority for this action is provided by sections 112
and 307(d)(7)(B) of the CAA as amended (42 U.S.C. 7412 and
7607(d)(7)(B)).

B. What actions preceded these final amendments?

    The initial NESHAP for Clay Ceramics Manufacturing was published in
the Federal Register on May 16, 2003 (68 FR 26690), and codified at 40
CFR part 63, subpart KKKKK, pursuant to section 112 of the CAA. These
standards were challenged and subsequently vacated by the United States
Court of Appeals for the District of Columbia Circuit in 2007. See
Sierra Club v. EPA, 479 F.3d 875, 876 (D.C. Cir. 2007). Following the
2007 vacatur of the 2003 rule, the EPA collected additional data and
information to support new standards for the clay ceramics industry.
This information is contained in the docket at https://www.regulations.gov/ (see Docket ID No. EPA-HQ-OAR-2013-0290). On
December 18, 2014, the EPA proposed the new NESHAP for Clay Ceramics
Manufacturing (79 FR 75622). The EPA received additional data and
comments during the public comment period. These data and comments were
considered and analyzed and, where appropriate, revisions to the NESHAP
were made. The NESHAP for Clay Ceramics Manufacturing was finalized on
October 26, 2015 (80 FR 65470).
    On December 23, 2015, Kohler Company (Kohler) petitioned the EPA
for reconsideration of the final rule for Clay Ceramics Manufacturing
(Docket ID No. EPA-HQ-OAR-2013-0290-0316). On August 20, 2018, we
proposed revisions to the Clay Ceramics Manufacturing NESHAP based on
the information provided by Kohler in their petition and information
collected by the EPA (83 FR 42066). Public comments were received on
the proposal requesting some changes to the proposed revisions. This
action finalizes the revisions to the NESHAP and, where deemed
appropriate, incorporates the requested changes. The intent of these
amendments is to provide flexibility to the clay ceramics manufacturing
industry, while maintaining the emissions and operational standards of
the NESHAP.

III. Summary of the Final Amendments

    The EPA is issuing the following amendments to 40 CFR part 63,
subpart KKKKK, in response to Kohler's petition for reconsideration on
the October 26, 2015, final rule (80 FR 65470):
     Revise the temperature monitoring methodology used to
demonstrate continuous compliance with the D/F emissions limits from
sanitaryware first-fire tunnel kilns;
     Provide an alternative to the monitoring provisions for VE
from tunnel kiln exhaust stacks;
     Amend the requirements for weekly visual inspections of
system ductwork and control device equipment for water curtain spray
booths;
     Define cooling stacks in the rule and differentiate
cooling stacks from kiln exhaust stacks for compliance purposes; and
     Include provisions to allow emissions averaging for
emissions from existing tunnel kilns and glaze spray booths and make
associated revisions to the definition of affected source and
recordkeeping and reporting requirements.

We are finalizing all the amendments listed above as proposed except
for the provisions to allow emissions averaging. A description of the
changes made to the emissions averaging provisions since proposal along
with the rationale for those changes is provided in section IV of this
preamble.
    This final rule achieves meaningful burden reduction by providing
regulated facilities with the ability to use existing monitoring
equipment and removing the requirements for periodic inspections that
we have determined are not necessary to demonstrate compliance. We also
more clearly identify which stacks are cooling stacks; thus, avoiding
the possibility that a source might be required to perform an emission
test on a stack that emits only cooling air. Finally, this action
provides additional compliance flexibility for sources to meet certain
emissions limits by averaging; thereby, simplifying compliance. All of
these actions should reduce the overall burden to the regulated
sources.
    This action is limited to the specific issues raised in the
petition for reconsideration, plus some minor technical corrections.
There are no changes to emission limits as a result of these final
amendments. Technical corrections are being issued as proposed to
correct inaccuracies that were promulgated in the final rule, replace
text that might be considered confusing, and correct outdated
information. These changes are described in Table 2 of this preamble.

     Table 2--Technical Corrections to 40 CFR Part 63, Subpart KKKKK
------------------------------------------------------------------------
         Table to subpart KKKKK             Description of correction
------------------------------------------------------------------------
40 CFR 63.8635(g)(1)...................  Update the addresses for EPA
                                          websites.
Table 2, item 3........................  To avoid confusion, revise the
                                          description of the operating
                                          limit for carbon flow rate.

Table 2, items 10 and 11...............  Revise the block period for
                                          average operating temperature
                                          for spray dryers and floor
                                          tile press dryers from 3-hour
                                          to 4-hour to align with the
                                          test run length for EPA Method
                                          23.
Table 4, item 8........................  In the measurement of carbon
                                          flow rate data, include data
                                          from the Hg and D/F
                                          performance test data for
                                          tunnel or roller kilns
                                          equipped with an activated
                                          carbon injection system.
Table 4, items 11 and 12...............  Revise the block average for
                                          operating temperature for
                                          spray dryers and floor tile
                                          press dryers from 3-hour to 4-
                                          hour to align with the test
                                          run length for EPA Method 23.
Table 6, items 2.a.ii, 2.b.ii, 2.c.ii,   To avoid confusion, remove
 3.a.ii, 3.b.ii, 3.c.ii, 4.a.ii,          mention of the specific block
 4.b.ii, 4.c.ii, 5.a.ii, 5.b.ii,          period and simply refer to
 6.a.ii, 7.a.ii, 8.a.ii, 9.a.ii,          ``the period of the initial
 10.a.ii, 11.a.ii, 12.a.ii, 12.b.ii,      performance test.''
 12.c.ii, 13.a.ii, 13.b.ii, 13.c.ii,
 14.a.ii, 14.b.ii, 14.c.ii, 15.a.ii,
 15.b.ii, 16.a.ii, 17.a.ii, 18.a.ii,
 19.a.ii, 20.a.ii, and 21.a.ii.
Table 7, items 10 and 11...............  Revise the block average for
                                          operating temperature for
                                          spray dryers and floor tile
                                          press dryers from 3-hour to 4-
                                          hour to align with the test
                                          run length for EPA Method 23.
------------------------------------------------------------------------

IV. Rationale for Changes to the Proposed Amendments

A. Visible Emissions Monitoring of Tunnel Kiln Exhaust

    In its petition for reconsideration, Kohler stated that the EPA
failed to adequately respond to Kohler's public comments regarding VE
monitoring in the Agency's response to comments document and in the
preamble for the final rule. In their comments on the December 18,
2014, proposal, Kohler had argued that VE monitoring is not a useful
parameter to assess kiln operation nor to assess hazardous air
pollutant (HAP) emissions. Kohler requested that the EPA open a new
public comment period to reconsider and respond to Kohler's concerns.
In response to the petition, we proposed amendments to 40 CFR 63.8620
in the Clay Ceramics Manufacturing NESHAP, adding a new paragraph
(e)(2) which provided an alternative to VE testing that allowed sources
to demonstrate compliance by maintaining the kiln temperature profile
within acceptable parameters and, for any incidence where the kiln
exceeds its temperature profile, monitor VE at each kiln stack as
specified.
    In public comments on the proposed amendments, a commenter
questioned Kohler's assertion about VE monitoring and recommended that
the EPA define what a ``temperature profile'' is and clarify what it
means to ``maintain'' it v. ``exceed'' it. In response to this comment,
we are finalizing amendments to 40 CFR 63.8620(e)(2), the operating
limits table (Table 2), and the continuous compliance table (Table 7)
to clarify that the owner or operator will be required to maintain
their kiln operating temperature within the range of acceptable
temperatures (i.e., a temperature profile) established for each kiln
and product. For any incident where the kiln is operating outside of
its acceptable temperature range (i.e., exceeding its temperature
profile) for the product being fired, the owner or operator will be
required to record the incident as a deviation, and perform corrective
action in accordance with the facility's operation, maintenance, and
monitoring (OM&M) plan.

B. Weekly Visual Inspections of Water Curtain Spray Booths

    In its petition for reconsideration, Kohler requested that the EPA
reconsider the frequency of visual inspection requirements for system
ductwork and control device equipment for water curtain spray booths.
In response to the petition, we proposed amendments to the operating
limits table (Table 2) and the continuous compliance table (Table 7) to
remove the requirement to conduct weekly visual inspections of the
system ductwork and control equipment for leaks for all glaze spray
operations equipped with water curtains.
    In public comments on the proposal, one commenter stated that if
the EPA is relying on operator observations of visible particulate on
the product to determine when there is a leak in the spray booth
ductwork, the rule should require operators to log such incidents and
report them as deviations when they occur. We recognize the commenter's
concerns and agree that if there is an indication of particulate in the
glaze of the product, then it is likely there is a failure in the
ductwork requiring corrective action, and, therefore, this would be
considered a deviation. We are finalizing amendments to Table 7 to
require owners or operators to record as deviations any observations of
particulates or other impurities getting into the glaze that has been
sprayed onto a piece of ware and perform corrective action in
accordance with the facility's OM&M plan.

C. Emissions Averaging

    In its petition for reconsideration, Kohler requested that the EPA
allow the use of emissions averaging as a compliance option in the Clay
Ceramics Manufacturing NESHAP for existing tunnel kilns and glaze spray
booths. In response to the petition, we proposed amendments to 40 CFR
63.8595 in the Clay Ceramics Manufacturing NESHAP that included
alternative emissions averaging limits for the following:
     PM and Hg, in units of pounds per ton (lb/ton) of fired
product for existing floor tile roller kilns;
     PM and Hg in units of lb/ton of fired product for existing
wall tile roller kilns;
     PM and Hg, in units of lb/ton of greenware fired for
existing first-fired sanitaryware tunnel kilns;
     PM and Hg, in units of lb/ton of first-fired glaze sprayed
(dry weight basis) for existing tile glaze lines with glaze spraying;
and
     PM, in units of lb/ton of first-fire glaze sprayed (dry
weight basis), for existing sanitaryware manual, spray machine, or
robot glaze applications.
    The proposed conditions required for emissions averaging included
the following: (1) Emissions averaging would only be permitted between
individual sources at a single existing affected source; (2) emissions
averaging would only be permitted between individual sources subject to
the Clay Ceramics Manufacturing NESHAP; (3) emissions averaging would
not be permitted between two or more different affected sources; (4)
emissions averaging would not be permitted between two or more sources
in different subcategories;

(5) new sources could not use emissions averaging; and (6) averaged
emissions could not exceed 90 percent of the applicable emission limit,
which translates to a discount factor of 1.1 applied to actual
emissions.
    The emissions averaging provisions that we proposed were based, in
part, on the emissions averaging provisions in the Hazardous Organic
NESHAP (HON). The legal basis and rationale for the HON emissions
averaging provisions were provided in the preamble to the final HON (59
FR 19425, April 22, 1994).
    In public comments on the proposal, two commenters requested that
the EPA remove the requirement that averaged emissions cannot exceed 90
percent of the applicable emission limit, and a third commenter stated
that no justification was provided for the selection of 90 percent
(instead of an alternate value, such as 80 or 99 percent). While
averaging should only be permitted if it can be demonstrated that the
total quantity of any HAP will not be greater than it could be if each
individually affected unit complied separately with the applicable
standard, one commenter stated this requirement can be demonstrated
without the ``90 percent of the limit'' safety factor. The commenter
noted that the EPA has allowed emissions averaging across similar
emission units in other NESHAP, such as the Reinforced Plastics
Composites NESHAP (40 CFR part 63, subpart WWWW), and stated that
similar logic for averaging should be applied to this subpart to
eliminate the unnecessary factor.
    In response to these comments, we have re-evaluated whether a
discount factor is appropriate for the emissions averaging provisions
in this subpart and have concluded that a discount factor is not
necessary here. The issues faced in the HON, where a discount factor of
1.1 was applied to the emissions averaging calculation, included
significant differences in toxicity of the various HAP and a situation
where facilities were applying emissions controls. This is not the case
here. All facilities are meeting the relevant standards in this subpart
without added controls and are using pollution prevention where needed.
Accordingly, a straight average, without any discount factor, is
appropriate in this situation. This straight-average approach is
consistent with other rules, such as the Reinforced Plastic Composites
NESHAP. Therefore, the EPA has decided not to include a discount factor
in 40 CFR 63.8595(h), Equation 9, and 40 CFR 63.8620, Equation 10 to
calculate the average weighted emissions.
    In addition, a commenter noted that the proposed emissions
averaging provisions prohibited emissions averaging of new sources but
did not prohibit emissions averaging of reconstructed sources. The
commenter stated that reconstructed sources should not be allowed to
use the emissions averaging provisions. We agree with the commenter,
and in the final amendments the EPA has revised 40 CFR 63.8595(h)(1) to
indicate that neither new nor reconstructed sources can be included in
the emissions averaging.
    Finally, we note that Equations 9 through 11 were all proposed to
be added to 40 CFR 63.8595(h). However, one commenter noted an apparent
discrepancy between Equation 9 and Equation 10, and it appears that the
commenter misunderstood that Equation 9 is intended to determine
initial compliance based on an initial performance test, while Equation
10 is intended to determine ongoing compliance based on the latest
performance test. Equation 11 is also used for ongoing compliance and
is intended to determine the 12-month rolling average of the monthly
weighted average emission rates. Therefore, in the final amendments,
Equations 10 and 11 have been moved to 40 CFR 63.8620, the section that
describes how to demonstrate continuous compliance.

V. Summary of Cost, Environmental, and Economic Impacts

    This action will have no cost, environmental, energy, or economic
impacts beyond those impacts presented in the October 26, 2015, final
rule for Clay Ceramics Manufacturing and may result in a cost savings
due to the changes in monitoring and testing requirements discussed in
section III of this preamble. The technical corrections are cost
neutral.

VI. Statutory and Executive Order Reviews

    Additional information about these statutes and Executive Orders
can be found at https://www.epa.gov/laws-regulations/laws-and-executive-orders.

A. Executive Order 12866: Regulatory Planning and Review and Executive
Order 13563: Improving Regulation and Regulatory Review

    This action is not a significant regulatory action and was,
therefore, not submitted to the OMB for review.

B. Executive Order 13771: Reducing Regulations and Controlling
Regulatory Costs

    This action is considered an Executive Order 13771 deregulatory
action. This final rule provides meaningful burden reduction by
providing additional regulatory flexibilities.

C. Paperwork Reduction Act (PRA)

    This action does not impose any new information collection burden
under the PRA. OMB has previously approved the information collection
activities contained in the existing regulation (40 CFR part 63,
subpart KKKKK) and has assigned OMB control number 2060-0513. This
action does not change the information collection requirements.

D. Regulatory Flexibility Act (RFA)

    I certify that this action will not have a significant economic
impact on a substantial number of small entities under the RFA. In
making this determination, the impact of concern is any significant
adverse economic impact on small entities. An agency may certify that a
rule will not have a significant economic impact on a substantial
number of small entities if the rule relieves regulatory burden, has no
net burden, or otherwise has a positive economic effect on the small
entities subject to the rule. This final rule will not impose any
additional requirements on small entities, only alternatives to
existing requirements. We have, therefore, concluded that this action
will have no net regulatory burden for all directly regulated small
entities.

E. Unfunded Mandates Reform Act (UMRA)

    This action does not contain an unfunded mandate as described in
UMRA, 2 U.S.C. 1531-1538, and does not significantly or uniquely affect
small governments. The action imposes no enforceable duty on any state,
local, or tribal governments or the private sector.

F. Executive Order 13132: Federalism

    This action does not have federalism implications. It will not have
substantial direct effects on the states, on the relationship between
the national government and the states, or on the distribution of power
and responsibilities among the various levels of government.

G. Executive Order 13175: Consultation and Coordination With Indian
Tribal Governments

    This action does not have tribal implications as specified in
Executive

Order 13175. It will neither impose substantial direct compliance costs
on federally recognized tribal governments, nor preempt tribal law. The
final amendments impose no requirements on tribal governments. Thus,
Executive Order 13175 does not apply to this action.

H. Executive Order 13045: Protection of Children From Environmental
Health Risks and Safety Risks

    The EPA interprets Executive Order 13045 as applying only to those
regulatory actions that concern environmental health or safety risks
that the EPA has reason to believe may disproportionately affect
children, per the definition of ``covered regulatory action'' in
section 2-202 of the Executive Order. This action is not subject to
Executive Order 13045 because it does not concern an environmental
health risk or safety risk.

I. Executive Order 13211: Actions Concerning Regulations That
Significantly Affect Energy Supply, Distribution, or Use

    This action is not subject to Executive Order 13211, because it is
not a significant regulatory action under Executive Order 12866.

J. National Technology Transfer and Advancement Act (NTTAA)

    This rulemaking does not involve technical standards.

K. Executive Order 12898: Federal Actions To Address Environmental
Justice in Minority Populations and Low-Income Populations

    The EPA believes that this action does not have disproportionately
high and adverse human health or environmental effects on minority
populations, low-income populations, and/or indigenous peoples, as
specified in Executive Order 12898 (59 FR 7629, February 16, 1994). The
documentation for this decision is contained in the docket. (See EJ
Screening Report for Clay Ceramics, Docket ID Item No. EPA-HQ-OAR-2013-
0290-0241.)

L. Congressional Review Act (CRA)

    This action is subject to the CRA, and the EPA will submit a rule
report to each House of the Congress and to the Comptroller General of
the United States. This action is not a ``major rule'' as defined by 5
U.S.C. 804(2).

List of Subjects in 40 CFR Part 63

    Environmental protection, Administrative practices and procedures,
Air pollution control, Hazardous substances, Intergovernmental
relations, Reporting and recordkeeping requirements.

    Dated: October 10, 2019.
Andrew R. Wheeler,
Administrator.

    For the reasons set out in the preamble, 40 CFR part 63 is amended
as follows:

PART 63--NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
FOR SOURCE CATEGORIES

0
1. The authority citation for part 63 continues to read as follows:

    Authority:  42 U.S.C. 7401 et seq.

Subpart KKKKK--National Emission Standards for Hazardous Air
Pollutants for Clay Ceramics Manufacturing

0
2. Section 63.8595 is amended by:
0
a. Revising paragraph (c);
0
b. Redesignating paragraph (h) as paragraph (i);
0
c. Adding a new paragraph (h); and
0
d. Revising newly redesignated paragraphs (i) introductory text and
(i)(1) introductory text.
    The revisions and addition read as follows:

Sec.  63.8595  How do I conduct performance tests and establish
operating limits?

* * * * *
    (c) Each performance test must be conducted according to the
requirements in Sec.  63.7 and under the specific conditions in Table 4
to this subpart. Stacks to be tested at sanitaryware manufacturing
facilities shall be limited to products of combustion (POC) stacks and
not include cooling stacks.
* * * * *
    (h)(1) As an alternative to meeting the requirements of Sec.
63.8555 for PM or mercury, if you have more than one existing source in
any subcategories located at your facility, you may demonstrate
compliance by emissions averaging, if your averaged emissions are no
higher than the applicable emission limit, according to the procedures
in this section. You may not include new or reconstructed sources in an
emissions average.
    (2) For a group of two or more existing sources in the same
subcategory that each vent to a separate stack, you may average PM or
mercury emissions among existing units to demonstrate compliance with
the limits in Table 1 to this subpart as specified in paragraph
(h)(2)(i) through (iv) of this section, if you satisfy the requirements
in paragraphs (h)(3) and (4) of this section.
    (i) You may average across existing sources in the same kiln type
and size category (e.g., roller or tunnel kilns, large or small kilns)
and the same subcategory (e.g., sanitaryware manual or spray machine or
robot glaze application) where applicable;
    (ii) You may not include a unit in the emissions average if the
unit shares a common stack with units in other subcategories;
    (iii) You may not include spray dryers or press dryers in the
emissions average; and
    (iv) You may not average between different types of pollutants.
    (3) The averaged emissions rate from the existing sources
participating in the emissions averaging option must not exceed the
limits in Table 1 to this subpart at all times the affected units are
subject to numeric emission limits following the compliance date
specified in Sec.  63.8545.
    (4)(i) You must demonstrate initial compliance using the maximum
process rate and the results of the initial performance tests.
    (ii) You must use Equation 9 of this section to demonstrate that
the PM or mercury emissions from all existing units participating in
the emissions averaging option for that pollutant do not exceed the
emission limits in Table 1 to this subpart.
[GRAPHIC] [TIFF OMITTED] TR01NO19.003

Where:

ERi = Average weighted emissions for PM or mercury, in
units of kilograms (pounds) per megagram (ton) of fired product for
existing floor tile roller kilns and wall tile roller kilns,
greenware fired for existing first-fired sanitaryware tunnel kilns,
and first-fire glaze sprayed (dry weight basis) for existing tile
glaze lines with glaze spraying and average weighted emissions for
PM, in units of kilograms (pounds) per megagram (ton)

of first-fire glaze sprayed (dry weight basis) for existing
sanitaryware manual, spray machine, or robot glaze applications.
Ei = Emission rate (as determined during the initial
compliance demonstration) of PM or mercury from unit i, in units of
kilograms (pounds) per megagram (ton). Determine the emission rate
for PM or mercury by performance testing according to Table 4 to
this subpart using the applicable equation in paragraph (f) of this
section.
Pmax i = Maximum process rate for unit i, in units of
megagrams per hour (tons per hour).
n = Number of units participating in the emissions averaging option.

    (5) You must develop and submit upon request to the applicable
Administrator for review and approval, an implementation plan for
emissions averaging according to the following procedures and
requirements in paragraphs (h)(5)(i) through (iv) of this section.
    (i) If requested, you must submit the implementation plan no later
than 180 days before the date that the facility intends to demonstrate
compliance using the emissions averaging option.
    (ii) You must include the information contained in paragraphs
(h)(5)(ii)(A) through (D) of this section in your implementation plan
for all emission sources included in an emissions average:
    (A) The identification of all existing sources in the averaging
group, including for each either the applicable HAP emissions level or
the control technology installed and the date on which you are
requesting emissions averaging to commence;
    (B) The specific control technology or pollution prevention measure
to be used for each source in the averaging group and the date of its
installation or application. If the pollution prevention measure
reduces or eliminates emissions from multiple sources, the owner or
operator must identify each source;
    (C) The test plan for the measurement of emissions in accordance
with the requirements in this section; and
    (D) The operating parameters to be monitored for each control
system or device consistent with Sec.  63.8555 and Table 2 to this
subpart, and a description of how the operating limits will be
determined.
    (iii) If submitted upon request, the Administrator shall review and
approve or disapprove the plan according to the following criteria:
    (A) Whether the content of the plan includes all of the information
specified in paragraph (h)(5)(ii) of this section; and
    (B) Whether the plan presents sufficient information to determine
that compliance will be achieved and maintained.
    (iv) The applicable Administrator shall not approve an emissions
averaging implementation plan containing any of the following
provisions:
    (A) Any averaging between emissions of differing pollutants or
between differing sources; or
    (B) The inclusion of any emission source other than an existing
unit in the same subcategories.
    (i) For each affected source that is subject to the emission limits
specified in Table 1 to this subpart and is equipped with an APCD that
is not addressed in Table 2 to this subpart or that is using process
changes as a means of meeting the emission limits in Table 1 to this
subpart, you must meet the requirements in Sec.  63.8(f) and paragraphs
(i)(1) and (2) of this section.
    (1) Submit a request for approval of alternative monitoring
procedures to the Administrator no later than the notification of
intent to conduct a performance test. The request must contain the
information specified in paragraphs (i)(1)(i) through (iv) of this
section.
* * * * *

0
3. Section 63.8620 is amended by:
0
a. Redesignating paragraphs (e) introductory text and (e)(1) through
(3) as paragraphs (e)(1) introductory text and (e)(1)(i) through (iii),
respectively;
0
b. Revising newly redesignated paragraph (e)(1) introductory text; and
0
c. Adding new paragraph (e)(2) and paragraphs (f) and (g).
    The revision and additions read as follows:

Sec.  63.8620  How do I demonstrate continuous compliance with the
emission limitations and work practice standards?

* * * * *
    (e)(1) Visible emissions testing. You must demonstrate continuous
compliance with the operating limits in Table 2 to this subpart for
visible emissions (VE) from tunnel or roller kilns that are
uncontrolled or equipped with DIFF, DLS/FF, or other dry control device
by monitoring VE at each kiln stack according to the requirements in
paragraphs (e)(1)(i) through (iii) of this section.
* * * * *
    (2) Alternative to VE testing. You must demonstrate continuous
compliance with the operating limits in Table 2 to this subpart for
kiln temperature profile for tunnel or roller kilns that are
uncontrolled or equipped with DIFF, DLS/FF, or other dry control device
by maintaining the kiln operating temperature within the range of
acceptable temperatures (i.e., temperature profile) established for
each kiln and product. For any incidence where the kiln is operating
outside of its acceptable temperature range (i.e., exceeds its
temperature profile) for the product being fired, you must record the
incident as a deviation, and perform the necessary corrective action in
accordance with your OM&M plan to return the kiln to the acceptable
operating temperature for the product being fired. To confirm the kiln
has returned to the acceptable temperature range, you will monitor VE
at the kiln stack according to the requirements in paragraphs (e)(2)(i)
through (iii) of this section.
    (i) Perform VE observations at the stack of each kiln operating
outside of its temperature profile according to the procedures of
Method 22 of 40 CFR part 60, appendix A-7. The duration of each Method
22 test must be at least 15 minutes.
    (ii) If VE are observed during any test conducted using Method 22
of 40 CFR part 60, appendix A-7, you must continue to perform
corrective action until VE are no longer observed.
    (iii) If VE are observed during any test conducted using Method 22
of 40 CFR part 60, appendix A-7, you must report these deviations by
following the requirements in Sec.  63.8635.
    (f) Following the compliance date, you must demonstrate compliance
with the emissions averaging provision under this subpart on a
continuous basis by meeting the requirements of paragraphs (f)(1)
through (3) of this section.
    (1)(i) After the initial compliance demonstration described in
Sec.  63.8595(h)(4), you must demonstrate compliance on a monthly basis
determined at the end of every month (12 times per year) according to
paragraph (f)(1)(ii) of this section. The first monthly period begins
on the compliance date specified in Sec.  63.8545.
    (ii) For each calendar month, you must use Equation 10 of this
section to calculate the average weighted emission rate for that month.

[GRAPHIC] [TIFF OMITTED] TR01NO19.004

Where:

ERi = Average weighted emissions for PM or mercury, in
units of kilograms (pounds) per megagram (ton) of fired product for
existing floor tile roller kilns and wall tile roller kilns,
greenware fired for existing first-fired sanitaryware tunnel kilns,
and first-fire glaze sprayed (dry weight basis) for existing tile
glaze lines with glaze spraying and average weighted emissions for
PM, in units of kilograms (pounds) per megagram (ton) of first-fire
glaze sprayed (dry weight basis) for existing sanitaryware manual,
spray machine, or robot glaze applications, for that calendar month.
Ei = Emission rate (as determined during the most recent
compliance demonstration) of PM or mercury from unit i, in units of
kilograms (pounds) per megagram (ton). Determine the emission rate
for PM or mercury by performance testing according to Table 4 to
this subpart using the applicable equation in Sec.  63.8595(f).
Pmonth i = The process rate for that calendar month for
unit i, in units of megagrams (tons).
n = Number of units participating in the emissions averaging option.

    (2) Until 12 monthly weighted average emission rates have been
accumulated, calculate and report only the average weighted emission
rate determined under paragraph (f)(1)(ii) of this section for each
calendar month. After 12 monthly weighted average emission rates have
been accumulated, for each subsequent calendar month, use Equation 11
of this section to calculate the 12-month rolling average of the
monthly weighted average emission rates for the current calendar month
and the previous 11 calendar months.
[GRAPHIC] [TIFF OMITTED] TR01NO19.005

Where:

Eavg = 12-month rolling average emission rate for PM or
mercury, in units of kilograms (pounds) per megagram (ton) of fired
product for existing floor tile roller kilns and wall tile roller
kilns, greenware fired for existing first-fired sanitaryware tunnel
kilns, and first-fire glaze sprayed (dry weight basis) for existing
tile glaze lines with glaze spraying and average weighted emissions
for PM, in units of kilograms (pounds) per megagram (ton) of first-
fire glaze sprayed (dry weight basis) for existing sanitaryware
manual, spray machine, or robot glaze applications.
ERi = Monthly weighted average, for calendar month ``i,''
in units of kilograms (pounds) per megagram (ton), as calculated by
paragraph (f)(1)(ii) of this section.

    (3) For each existing unit participating in the emissions averaging
option, you must comply with the continuous compliance requirements in
Table 7 to this subpart.
    (g) Any instance where you fail to comply with the continuous
monitoring requirements in paragraphs (f)(1) through (3) of this
section is a deviation.

0
4. Section 63.8630 is amended by revising paragraph (c) introductory
text and adding paragraph (c)(4) to read as follows:

Sec.  63.8630  What notifications must I submit and when?

* * * * *
    (c) If you are required to conduct a performance test or other
initial compliance demonstration as specified in Tables 4 and 6 to this
subpart, your Notification of Compliance Status as specified in Table 9
to this subpart must include the information in paragraphs (c)(1)
through (4) of this section.
* * * * *
    (4) Identification of whether you plan to demonstrate compliance by
emissions averaging. If you plan to demonstrate compliance by emissions
averaging, report the emissions level that was being achieved or the
control technology employed on December 28, 2015.
* * * * *

0
5. Section 63.8635 is amended by:
0
a. Revising paragraphs (c) introductory text and (c)(4)(iii)(C);
0
b. Adding paragraph (c)(9); and
0
c. Revising paragraph (g)(1).
    The revisions and addition read as follows:

Sec.  63.8635  What reports must I submit and when?

* * * * *
    (c) The compliance report must contain the information in
paragraphs (c)(1) through (9) of this section.
* * * * *
    (4) * * *
    (iii) * * *
    (C) Based on the information recorded under paragraphs
(c)(4)(iii)(A) and (B) of this section, compute the annual percent of
affected source operating uptime during which the control device was
offline for routine maintenance using Equation 12 of this section.
[GRAPHIC] [TIFF OMITTED] TR01NO19.006

Where:

RM = Annual percentage of affected source uptime during which
control device was offline for routine control device maintenance.
DTp = Control device downtime claimed under the routine
control device maintenance alternative standard for the previous
semiannual compliance period.
DTc = Control device downtime claimed under the routine
control device maintenance alternative standard for the current
semiannual compliance period.
SUp = Affected source uptime for the previous semiannual
compliance period.
SUc = Affected source uptime for the current semiannual
compliance period.

* * * * *
    (9) If you plan to demonstrate compliance by emissions averaging,
certify the emissions level achieved or the control technology employed
is no less stringent than the level or control technology contained in
the notification of compliance status in Sec.  63.8630(c)(4), including
all necessary documentation

to support this certification, such as inputs to Equations 9 through 11
of this subpart.
* * * * *
    (g) * * *
    (1) For data collected using test methods supported by the EPA's
Electronic Reporting Tool (ERT) as listed on the EPA's ERT website
(https://www.epa.gov/electronicreporting-air-emissions/electronicreporting-tool-ert) at the time of the test, you must submit
the results of the performance test to the EPA via the Compliance and
Emissions Data Reporting Interface (CEDRI). (CEDRI can be accessed
through the EPA's Central Data Exchange (CDX) (https://cdx.epa.gov/).)
Performance test data must be submitted in a file format generated
through the use of the EPA's ERT or an alternate electronic file format
consistent with the extensible markup language (XML) schema listed on
the EPA's ERT website. If you claim that some of the performance test
information being submitted is confidential business information (CBI),
you must submit a complete file generated through the use of the EPA's
ERT or an alternate electronic file consistent with the XML schema
listed on the EPA's ERT website, including information claimed to be
CBI, on a compact disc, flash drive, or other commonly used electronic
storage media to the EPA. The electronic media must be clearly marked
as CBI and mailed to U.S. EPA/OAPQS/CORE CBI Office, Attention: Group
Leader, Measurement Policy Group, MD C404-02, 4930 Old Page Rd.,
Durham, NC 27703. The same ERT or alternate file with the CBI omitted
must be submitted to the EPA via the EPA's CDX as described earlier in
this paragraph (g)(1).
* * * * *

0
6. Section 63.8640 is amended by revising paragraph (c) introductory
text and adding paragraph (c)(11) to read as follows:

Sec.  63.8640  What records must I keep?

* * * * *
    (c) You must also maintain the records listed in paragraphs (c)(1)
through (11) of this section.
* * * * *
    (11) If you elect to average emissions consistent with Sec.
63.8595(h), you must additionally keep a copy of the emissions
averaging implementation plan required in Sec.  63.8595(h)(5), all
calculations required under Sec.  63.8595(h), including monthly records
of process rate, as applicable, and monitoring records consistent with
Sec.  63.8620(f).

0
7. Section 63.8665 is amended by adding definitions for ``Cooling
stack,'' ``Emissions averaging sources,'' and ``Products of combustion
(POC) stack'' in alphabetical order to read as follows:

Sec.  63.8665  What definitions apply to this subpart?

* * * * *
    Cooling stack means a stack (release point) installed on the
cooling zone of a tunnel kiln to release air used to cool down the
fired product from its maximum temperature to room temperature. A
cooling stack does not release any air from the firing zone of the
tunnel kiln.
* * * * *
    Emissions averaging sources means, for purposes of the emissions
averaging provisions of Sec.  63.8595(h), the collection of all
existing ceramic tile roller kilns, sanitaryware tunnel kilns, ceramic
tile glaze lines using glaze spraying, and sanitaryware glaze spray
booths, within a kiln type and size category and within a subcategory.
* * * * *
    Products of combustion (POC) stack means a stack (release point)
installed on the front end of the firing zone of a tunnel kiln to
release air used to heat the greenware from room temperature to its
maximum temperature.
* * * * *

0
8. Table 1 to subpart KKKKK is revised to read as follows:

          Table 1 to Subpart KKKKK of Part 63--Emission Limits
  As stated in Sec.   63.8555, you must meet each emission limit in the
                  following table that applies to you:
------------------------------------------------------------------------
                                    You must meet the following emission
          For each . . .                        limits . . .
------------------------------------------------------------------------
1. Collection of all tunnel or      HF and HCl emissions must not exceed
 roller kilns at facility.           62 kilograms per hour (kg/hr) (140
                                     pounds per hour (lb/hr)) HCl
                                     equivalent, under the health-based
                                     standard, as determined using
                                     Equations 4 and 5 of this subpart.
2. Existing floor tile roller kiln  a. PM emissions must not exceed
                                     0.063 kilogram per megagram (kg/Mg)
                                     (0.13 pound per ton (lb/ton)) of
                                     fired product.
                                    b. Hg emissions must not exceed 6.3
                                     E-05 kg/Mg (1.3 E-04 lb/ton) of
                                     fired product.
                                    c. Dioxin/furan emissions must not
                                     exceed 2.8 nanograms per kilogram
                                     (ng/kg) of fired product.
3. Existing wall tile roller kiln.  a. PM emissions must not exceed 0.19
                                     kg/Mg (0.37 lb/ton) of fired
                                     product.
                                    b. Hg emissions must not exceed 1.1
                                     E-04 kg/Mg (2.1 E-04 lb/ton) of
                                     fired product.
                                    c. Dioxin/furan emissions must not
                                     exceed 0.22 ng/kg of fired product.
4. Existing first-fire              a. PM emissions must not exceed 0.17
 sanitaryware tunnel kiln.           kg/Mg (0.34 lb/ton) of greenware
                                     fired.
                                    b. Hg emissions must not exceed 1.3
                                     E-04 kg/Mg (2.6 E-04 lb/ton) of
                                     greenware fired.
                                    c. Dioxin/furan emissions must not
                                     exceed 3.3 ng/kg of greenware
                                     fired.
5. Existing tile glaze line with    a. PM emissions must not exceed 0.93
 glaze spraying.                     kg/Mg (1.9 lb/ton) of first-fire
                                     glaze sprayed (dry weight basis).
                                    b. Hg emissions must not exceed 8.0
                                     E-05 kg/Mg (1.6 E-04 lb/ton) of
                                     first-fire glaze sprayed (dry
                                     weight basis).
6. Existing sanitaryware manual     PM emissions must not exceed 18 kg/
 glaze application.                  Mg (35 lb/ton) of first-fire glaze
                                     sprayed (dry weight basis).
7. Existing sanitaryware spray      PM emissions must not exceed 6.2 kg/
 machine glaze application.          Mg (13 lb/ton) of first-fire glaze
                                     sprayed (dry weight basis).
8. Existing sanitaryware robot      PM emissions must not exceed 4.5 kg/
 glaze application.                  Mg (8.9 lb/ton) of first-fire glaze
                                     sprayed (dry weight basis).
9. Existing floor tile spray dryer  Dioxin/furan emissions must not
                                     exceed 19 ng/kg of throughput
                                     processed.
10. Existing wall tile spray dryer  Dioxin/furan emissions must not
                                     exceed 0.058 ng/kg of throughput
                                     processed.
11. Existing floor tile press       Dioxin/furan emissions must not
 dryer.                              exceed 0.024 ng/kg of throughput
                                     processed.
12. New or reconstructed floor      a. PM emissions must not exceed
 tile roller kiln.                   0.019 kg/Mg (0.037 lb/ton) of fired
                                     product.
                                    b. Hg emissions must not exceed 2.0
                                     E-05 kg/Mg (3.9 E-05 lb/ton) of
                                     fired product.
                                    c. Dioxin/furan emissions must not
                                     exceed 1.3 ng/kg of fired product.

13. New or reconstructed wall tile  a. PM emissions must not exceed 0.19
 roller kiln.                        kg/Mg (0.37 lb/ton) of fired
                                     product.
                                    b. Hg emissions must not exceed 1.1
                                     E-04 kg/Mg (2.1 E-04 lb/ton) of
                                     fired product.
                                    c. Dioxin/furan emissions must not
                                     exceed 0.22 ng/kg of fired product.
14. New or reconstructed first-     a. PM emissions must not exceed
 fire sanitaryware tunnel kiln.      0.048 kg/Mg (0.095 lb/ton) of
                                     greenware fired.
                                    b. Hg emissions must not exceed 6.1
                                     E-05 kg/Mg (1.3 E-04 lb/ton) of
                                     greenware fired.
                                    c. Dioxin/furan emissions must not
                                     exceed 0.99 ng/kg of greenware
                                     fired.
15. New or reconstructed tile       a. PM emissions must not exceed 0.31
 glaze line with glaze spraying.     kg/Mg (0.61 lb/ton) of first-fire
                                     glaze sprayed (dry weight basis).
                                    b. Hg emissions must not exceed 8.0
                                     E-05 kg/Mg (1.6 E-04 lb/ton) of
                                     first-fire glaze sprayed (dry
                                     weight basis).
16. New or reconstructed            PM emissions must not exceed 2.0 kg/
 sanitaryware manual glaze           Mg (3.9 lb/ton) of first-fire glaze
 application.                        sprayed (dry weight basis).
17. New or reconstructed            PM emissions must not exceed 1.6 kg/
 sanitaryware spray machine glaze    Mg (3.2 lb/ton) of first-fire glaze
 application.                        sprayed (dry weight basis).
18. New or reconstructed            PM emissions must not exceed 1.2 kg/
 sanitaryware robot glaze            Mg (2.3 lb/ton) of first-fire glaze
 application.                        sprayed (dry weight basis).
19. New or reconstructed floor      Dioxin/furan emissions must not
 tile spray dryer.                   exceed 0.071 ng/kg of throughput
                                     processed.
20. New or reconstructed wall tile  Dioxin/furan emissions must not
 spray dryer.                        exceed 0.058 ng/kg of throughput
                                     processed.
21. New or reconstructed floor      Dioxin/furan emissions must not
 tile press dryer.                   exceed 0.024 ng/kg of throughput
                                     processed.
22. Collection of emissions         PM emissions must not exceed the
 averaging sources.                  applicable emission limit, under
                                     the emissions averaging option, as
                                     determined using Equations 9
                                     through 11 of this subpart.
23. Collection of emissions         Hg emissions must not exceed the
 averaging sources.                  applicable emission limit, under
                                     the emissions averaging option, as
                                     determined using Equations 9
                                     through 11 of this subpart.
------------------------------------------------------------------------

0
9. Table 2 to subpart KKKKK is revised to read as follows:

          Table 2 to Subpart KKKKK of Part 63--Operating Limits
 As stated in Sec.   63.8555, you must meet each operating limit in the
                  following table that applies to you:
------------------------------------------------------------------------
       For each . . .            You must . . .       Or you must . . .
------------------------------------------------------------------------
1. Tunnel or roller kiln      a. If you use a bag   i. Maintain no VE
 equipped with a DIFF or DLS/  leak detection        from the DIFF or
 FF.                           system, initiate      DLS/FF stack; or
                               corrective action    ii. Maintain your
                               within 1 hour of a    kiln operating
                               bag leak detection    temperature within
                               system alarm and      the range of
                               complete corrective   acceptable
                               actions in            temperatures (i.e.,
                               accordance with       temperature profile
                               your OM&M plan;       established for
                               operate and           each kiln and
                               maintain the fabric   product.
                               filter such that
                               the alarm is not
                               engaged for more
                               than 5 percent of
                               the total operating
                               time in a 6-month
                               block reporting
                               period; and
                              b. Maintain free-
                               flowing lime in the
                               feed hopper or silo
                               and to the APCD at
                               all times for
                               continuous
                               injection systems;
                               maintain the feeder
                               setting (on a per
                               ton of throughput
                               basis) at or above
                               the level
                               established during
                               the performance
                               test for continuous
                               injection systems
                               in which compliance
                               was demonstrated.
2. Tunnel or roller kiln      a. Maintain the
 equipped with a WS.           average scrubber
                               liquid pH for each
                               3-hour block period
                               at or above the
                               average scrubber
                               liquid pH
                               established during
                               the HF/HCl
                               performance test in
                               which compliance
                               was demonstrated;
                               and
                              b. Maintain the
                               average scrubber
                               liquid flow rate
                               for each 3-hour
                               block period at or
                               above the highest
                               average scrubber
                               liquid flow rate
                               established during
                               the HF/HCl and PM
                               performance tests
                               in which compliance
                               was demonstrated.
3. Tunnel or roller kiln      Maintain the 3-hour
 equipped with an ACI system.  block average
                               carbon flow rate at
                               or above the
                               highest average
                               carbon flow rate
                               established during
                               the Hg and dioxin/
                               furan performance
                               tests in which
                               compliance was
                               demonstrated.

4. Tunnel or roller kiln      Maintain the average  i. Maintain your
 intending to comply with      operating             kiln operating
 dioxin/furan emission limit   temperature for       temperature within
 without an ACI system.        each 12-hour block    the range of
                               period at or below    acceptable
                               the highest           temperatures (i.e.,
                               operating             temperature profile
                               temperature           established for
                               established during    each kiln and
                               the dioxin/furan      product.
                               performance test in
                               which compliance
                               was demonstrated.
5. Tunnel or roller kiln      a. Maintain no VE
 with no add-on control.       from the stack; and
                              b. Maintain the kiln
                               process rate at or
                               below the kiln
                               process rate
                               determined
                               according to Sec.
                               63.8595(g)(1) if
                               your total facility
                               maximum potential
                               HCl-equivalent
                               emissions are
                               greater than the
                               HCl-equivalent
                               limit in Table 1 to
                               this subpart; and
                              c. Maintain the       i. Maintain no VE
                               average operating     from the FF stack.
                               temperature for
                               each 12-hour block
                               period at or below
                               the highest
                               operating
                               temperature
                               established during
                               the dioxin/furan
                               performance test in
                               which compliance
                               was demonstrated.
6. Glaze spray operation      a. If you use a bag
 equipped with a FF.           leak detection
                               system, initiate
                               corrective action
                               within 1 hour of a
                               bag leak detection
                               system alarm and
                               complete corrective
                               actions in
                               accordance with
                               your OM&M plan;
                               operate and
                               maintain the fabric
                               filter such that
                               the alarm is not
                               engaged for more
                               than 5 percent of
                               the total operating
                               time in a 6-month
                               block reporting
                               period.
7. Glaze spray operation      a. Maintain the
 equipped with a WS.           average scrubber
                               pressure drop for
                               each 3-hour block
                               period at or above
                               the average
                               pressure drop
                               established during
                               the PM performance
                               test in which
                               compliance was
                               demonstrated; and
                              b. Maintain the
                               average scrubber
                               liquid flow rate
                               for each 3-hour
                               block period at or
                               above the average
                               scrubber liquid
                               flow rate
                               established during
                               the PM performance
                               test in which
                               compliance was
                               demonstrated.
8. Glaze spray operation      a. Conduct daily
 equipped with a water         inspections to
 curtain.                      verify the presence
                               of water flow to
                               the wet control
                               system; and
                              b. Conduct annual
                               inspections of the
                               interior of the
                               control equipment
                               (if applicable) to
                               determine the
                               structural
                               integrity and
                               condition of the
                               control equipment.
9. Glaze spray operation      Conduct an annual
 equipped with baffles.        visual inspection
                               of the baffles to
                               confirm the baffles
                               are in place.
10. Spray dryer.............  Maintain the average
                               operating
                               temperature for
                               each 4-hour block
                               period at or above
                               the average
                               temperature
                               established during
                               the dioxin/furan
                               performance test in
                               which compliance
                               was demonstrated.
11. Floor tile press dryer..  Maintain the average
                               operating
                               temperature for
                               each 4-hour block
                               period at or below
                               the average
                               temperature
                               established during
                               the dioxin/furan
                               performance test in
                               which compliance
                               was demonstrated.
------------------------------------------------------------------------

0
10. Table 4 to subpart KKKKK is revised to read as follows:

                     Table 4 to Subpart KKKKK of Part 63--Requirements for Performance Tests
 As stated in Sec.   63.8595, you must conduct each performance test in the following table that applies to you:
----------------------------------------------------------------------------------------------------------------
                                                                                According to the following
           For each . . .                You must . . .            Using . . .            requirements . . .
----------------------------------------------------------------------------------------------------------------
1. Tunnel or roller kiln...........  a. Select locations of  Method 1 or 1A of 40    Sampling sites must be
                                      sampling ports and      CFR part 60, appendix   located at the outlet of
                                      the number of           A-1.                    the APCD and prior to any
                                      traverse points.                                releases to the atmosphere
                                                                                for all affected sources.
                                     b. Determine            Method 2 of 40 CFR      You may use Method 2A, 2C,
                                      velocities and          part 60, appendix A-1.  2D, or 2F of 40 CFR part
                                      volumetric flow rate.                           60, appendix A-1, or
                                                                                Method 2G of 40 CFR part
                                                                                60, appendix A-2, as
                                                                                appropriate, as an
                                                                                alternative to using
                                                                                Method 2 of 40 CFR part
                                                                                60, appendix A-1.

                                     c. Conduct gas          Method 3 of 40 CFR      You may use Method 3A or 3B
                                      molecular weight        part 60, appendix A-2.  of 40 CFR part 60,
                                      analysis.                                       appendix A-2, as
                                                                                appropriate, as an
                                                                                alternative to using
                                                                                Method 3 of 40 CFR part
                                                                                60, appendix A-2. ANSI/
                                                                                ASME PTC 19.10-1981
                                                                                (incorporated by
                                                                                reference, see Sec.
                                                                                63.14) may be used as an
                                                                                alternative to the manual
                                                                                procedures (but not the
                                                                                instrumental procedures)
                                                                                in Methods 3A and 3B.
                                     d. Measure moisture     Method 4 of 40 CFR
                                      content of the stack    part 60, appendix A-3.
                                      gas.
                                     e. Measure HF and HCl   i. Method 26A of 40     You may use Method 26 of 40
                                      emissions.              CFR part 60, appendix   CFR part 60, appendix A-8,
                                                              A-8; or                 as an alternative to using
                                                                                Method 26A of 40 CFR part
                                                                                60, appendix A-8, when no
                                                                                acid PM (e.g., HF or HCl
                                                                                dissolved in water
                                                                                droplets emitted by
                                                                                sources controlled by a
                                                                                WS) is present. ASTM D6735-
                                                                                01 (Reapproved 2009)
                                                                                (incorporated by
                                                                                reference, see Sec.
                                                                                63.14) may be used as an
                                                                                alternative to Methods 26
                                                                                and 26A.
                                                             ii. Method 320 of       When using Method 320 of
                                                              appendix A of this      appendix A of this part,
                                                              part.                   you must follow the
                                                                                analyte spiking procedures
                                                                                of section 13 of Method
                                                                                320 of appendix A of this
                                                                                part, unless you can
                                                                                demonstrate that the
                                                                                complete spiking procedure
                                                                                has been conducted at a
                                                                                similar source. ASTM D6348-
                                                                                03 (Reapproved 2010)
                                                                                (incorporated by
                                                                                reference, see Sec.
                                                                                63.14) may be used as an
                                                                                alternative to Method 320
                                                                                if the test plan
                                                                                preparation and
                                                                                implementation in Annexes
                                                                                A1-A8 are mandatory and
                                                                                the %R in Annex A5 is
                                                                                determined for each target
                                                                                analyte.
                                     f. Measure PM           i. Method 5 of 40 CFR
                                      emissions.              part 60, appendix A-
                                                              3; or
                                                             ii. Method 29 of 40
                                                              CFR part 60, appendix
                                                              A-8.
                                     g. Measure Hg           Method 29 of 40 CFR     ASTM D6784-02 (Reapproved
                                      emissions.              part 60, appendix A-8.  2008) (incorporated by
                                                                                reference, see Sec.
                                                                                63.14) may be used as an
                                                                                alternative to Method 29
                                                                                (portion for Hg only).
                                     h. Measure dioxin/      Method 23 of 40 CFR
                                      furan emissions.        part 60, appendix A-7.
2. Glaze spray operation...........  a. Select locations of  Method 1 or 1A of 40    Sampling sites must be
                                      sampling ports and      CFR part 60, appendix   located at the outlet of
                                      the number of           A-1.                    the APCD and prior to any
                                      traverse points.                                releases to the atmosphere
                                                                                for all affected sources.
                                     b. Determine            Method 2 of 40 CFR      You may use Method 2A, 2C,
                                      velocities and          part 60, appendix A-1.  2D, or 2F of 40 CFR part
                                      volumetric flow rate.                           60, appendix A-1, or
                                                                                Method 2G of 40 CFR part
                                                                                60, appendix A-2, as
                                                                                appropriate, as an
                                                                                alternative to using
                                                                                Method 2 of 40 CFR part
                                                                                60, appendix A-1.
                                     c. Conduct gas          Method 3 of 40 CFR      You may use Method 3A or 3B
                                      molecular weight        part 60, appendix A-2.  of 40 CFR part 60,
                                      analysis.                                       appendix A-2, as
                                                                                appropriate, as an
                                                                                alternative to using
                                                                                Method 3 of 40 CFR part
                                                                                60, appendix A-2. ANSI/
                                                                                ASME PTC 19.10-1981
                                                                                (incorporated by
                                                                                reference, see Sec.
                                                                                63.14) may be used as an
                                                                                alternative to the manual
                                                                                procedures (but not the
                                                                                instrumental procedures)
                                                                                in Methods 3A and 3B.
                                     d. Measure moisture     Method 4 of 40 CFR
                                      content of the stack    part 60, appendix A-3.
                                      gas.
                                     e. Measure PM           Method 5 of 40 CFR
                                      emissions.              part 60, appendix A-3.
                                     f. Measure Hg           Method 29 of 40 CFR     ASTM D6784-02 (Reapproved
                                      emissions (tile glaze   part 60, appendix A-8.  2008) (incorporated by
                                      spray operations                                reference, see Sec.
                                      only).                                          63.14) may be used as an
                                                                                alternative to Method 29
                                                                                (portion for Hg only).
3. Spray dryer or floor tile press   a. Select locations of  Method 1 or 1A of 40    Sampling sites must be
 dryer.                               sampling ports and      CFR part 60, appendix   located at the outlet of
                                      the number of           A-1.                    the APCD and prior to any
                                      traverse points.                                releases to the atmosphere
                                                                                for all affected sources.
                                     b. Determine            Method 2 of 40 CFR      You may use Method 2A, 2C,
                                      velocities and          part 60, appendix A-1.  2D, or 2F of 40 CFR part
                                      volumetric flow rate.                           60, appendix A-1, or
                                                                                Method 2G of 40 CFR part
                                                                                60, appendix A-2, as
                                                                                appropriate, as an
                                                                                alternative to using
                                                                                Method 2 of 40 CFR part
                                                                                60, appendix A-1.

                                     c. Conduct gas          Method 3 of 40 CFR      You may use Method 3A or 3B
                                      molecular weight        part 60, appendix A-2.  of 40 CFR part 60,
                                      analysis.                                       appendix A-2, as
                                                                                appropriate, as an
                                                                                alternative to using
                                                                                Method 3 of 40 CFR part
                                                                                60, appendix A-2. ANSI/
                                                                                ASME PTC 19.10-1981
                                                                                (incorporated by
                                                                                reference, see Sec.
                                                                                63.14) may be used as an
                                                                                alternative to the manual
                                                                                procedures (but not the
                                                                                instrumental procedures)
                                                                                in Methods 3A and 3B.
                                     d. Measure moisture     Method 4 of 40 CFR
                                      content of the stack    part 60, appendix A-3.
                                      gas.
                                     e. Measure dioxin/      Method 23 of 40 CFR
                                      furan emissions.        part 60, appendix A-7.
4. Tunnel or roller kiln with no     a. Establish the        HCl-equivalent limit    Using the procedures in
 add-on control.                      operating limit(s)      in Table 1 to this      Sec.   63.8595(g)(1), you
                                      for kiln process rate   subpart and emissions   must determine the maximum
                                      if the total facility   and production data     process rate(s) for your
                                      maximum potential HCl-  from the HF/HCl/Cl2     kiln(s) that would ensure
                                      equivalent emissions    performance test.       total facility maximum
                                      are greater than the                            potential HCl-equivalent
                                      HCl-equivalent limit                            emissions remain at or
                                      in Table 1 to this                              below the HCl-equivalent
                                      subpart.                                        limit in Table 1 to this
                                                                                subpart. The maximum
                                                                                process rate(s) would
                                                                                become your site-specific
                                                                                process rate operating
                                                                                limit(s).
                                     b. Establish the        i. Data from the kiln   (1) You must continuously
                                      operating limit for     operating temperature   measure the kiln operating
                                      kiln operating          measurement device      temperature during three 4-
                                      temperature.            during the dioxin/      hour test runs and, from a
                                                              furan performance       12-hour block of time
                                                              test.                   consisting of 1-hour
                                                                                increments, calculate the
                                                                                following two values:
                                                                                (a) The standard deviation
                                                                                of the 12 1-hour
                                                                                temperature measurements
                                                                                (refer to Note 1).
                                                                                (b) 1 percent of the 12-
                                                                                hour block average.
                                                                                (2) You must decide which
                                                                                of the two values would
                                                                                provide the greatest
                                                                                variability (i.e., the
                                                                                highest value), and then
                                                                                add this value to the 12-
                                                                                hour block average
                                                                                measured during the
                                                                                compliance testing. The
                                                                                result is the maximum
                                                                                temperature at which your
                                                                                kiln may operate during
                                                                                normal operations.
5. Tunnel or roller kiln that is     Determine the           Production data         You must measure and record
 complying with PM and/or Hg          production rate         collected during the    the production rate, on a
 production-based emission limits.    during each PM/Hg       PM/Hg performance       ton of throughput
                                      test run in order to    tests (e.g., the        processed basis, of the
                                      determine compliance    number of ceramic       affected kiln for each of
                                      with PM and/or Hg       pieces and weight per   the three test runs.
                                      production-based        piece in the kiln
                                      emission limits.        during a test run
                                                              divided by the amount
                                                              of time to fire a
                                                              piece).
6. Tunnel or roller kiln equipped    Establish the           Data from the lime      For continuous lime
 with a DIFF or DLS/FF.               operating limit for     feeder during the HF/   injection systems, you
                                      the lime feeder         HCl performance test.   must ensure that lime in
                                      setting.                                        the feed hopper or silo
                                                                                and to the APCD is free-
                                                                                flowing at all times
                                                                                during the performance
                                                                                test and record the feeder
                                                                                setting, on a per ton of
                                                                                throughput basis, for the
                                                                                three test runs. If the
                                                                                feed rate setting varies
                                                                                during the three test
                                                                                runs, determine and record
                                                                                the average feed rate from
                                                                                the three test runs. The
                                                                                average of the three test
                                                                                runs establishes your
                                                                                minimum site-specific feed
                                                                                rate operating limit.
7. Tunnel or roller kiln equipped    a. Establish the        Data from the pH        You must continuously
 with a WS.                           operating limit for     measurement device      measure the scrubber
                                      the average scrubber    during the HF/HCl       liquid pH, determine and
                                      liquid pH.              performance test.       record the block average
                                                                                pH values for the three
                                                                                test runs, and determine
                                                                                and record the 3-hour
                                                                                block average of the
                                                                                recorded pH measurements
                                                                                for the three test runs.
                                                                                The average of the three
                                                                                test runs establishes your
                                                                                minimum site-specific
                                                                                liquid pH operating limit.
                                     b. Establish the        Data from the flow      You must continuously
                                      operating limit for     rate measurement        measure the scrubber
                                      the average scrubber    device during the HF/   liquid flow rate,
                                      liquid flow rate.       HCl and PM              determine and record the
                                                              performance tests.      block average flow rate
                                                                                values for the three test
                                                                                runs, and determine and
                                                                                record the 3-hour block
                                                                                average of the recorded
                                                                                flow rate measurements for
                                                                                the three test runs. The
                                                                                average of the three test
                                                                                runs establishes your
                                                                                minimum site-specific
                                                                                liquid flow rate operating
                                                                                level. If different
                                                                                average wet scrubber
                                                                                liquid flow rate values
                                                                                are measured during the HF/
                                                                                HCl and PM tests, the
                                                                                highest of the average
                                                                                values become your site-
                                                                                specific operating limit.

8. Tunnel or roller kiln equipped    Establish the           Data from the carbon    You must measure the carbon
 with an ACI system.                  operating limit for     flow rate measurement   flow rate during each test
                                      the average carbon      conducted during the    run, determine and record
                                      flow rate.              Hg and dioxin/furan     the block average carbon
                                                              performance tests.      flow rate values for the
                                                                                three test runs, and
                                                                                determine and record the 3-
                                                                                hour block average of the
                                                                                recorded carbon flow rate
                                                                                measurements for the three
                                                                                test runs. The average of
                                                                                the three test runs
                                                                                establishes your minimum
                                                                                site-specific activated
                                                                                carbon flow rate operating
                                                                                limit.
9. Tunnel or roller kiln intending   a. Establish the        i. Data from the kiln   (1) You must continuously
 to comply with dioxin/furan          operating limit for     operating temperature   measure the kiln operating
 emission limit without an ACI        kiln operating          measurement device      temperature during three 4-
 system.                              temperature.            during the dioxin/      hour test runs and, from a
                                                              furan performance       12-hour block of time
                                                              test.                   consisting of 1-hour
                                                                                increments, calculate the
                                                                                following two values:
                                                                                (a) The standard deviation
                                                                                of the 12 1-hour
                                                                                temperature measurements
                                                                                (refer to Note 1).
                                                                                (b) 1 percent of the 12-
                                                                                hour block average
                                                                                (2) You must decide which
                                                                                of the two values would
                                                                                provide the greatest
                                                                                variability (i.e., the
                                                                                highest value), and then
                                                                                add this value to the 12-
                                                                                hour block average
                                                                                measured during the
                                                                                compliance testing. The
                                                                                result is the maximum
                                                                                temperature at which your
                                                                                kiln may operate during
                                                                                normal operations.
10. Glaze spray operation equipped   a. Establish the        Data from the pressure  You must continuously
 with a WS.                           operating limit for     drop measurement        measure the scrubber
                                      the average scrubber    device during the PM    pressure drop, determine
                                      pressure drop.          performance test.       and record the block
                                                                                average pressure drop
                                                                                values for the three test
                                                                                runs, and determine and
                                                                                record the 3-hour block
                                                                                average of the recorded
                                                                                pressure drop measurements
                                                                                for the three test runs.
                                                                                The average of the three
                                                                                test runs establishes your
                                                                                minimum site-specific
                                                                                pressure drop operating
                                                                                limit.
                                     b. Establish the        Data from the flow      You must continuously
                                      operating limit for     rate measurement        measure the scrubber
                                      the average scrubber    device during the PM    liquid flow rate,
                                      liquid flow rate.       performance test.       determine and record the
                                                                                block average flow rate
                                                                                values for the three test
                                                                                runs, and determine and
                                                                                record the 3-hour block
                                                                                average of the recorded
                                                                                flow rate measurements for
                                                                                the three test runs. The
                                                                                average of the three test
                                                                                runs establishes your
                                                                                minimum site-specific
                                                                                liquid flow rate operating
                                                                                limit.
11. Spray dryer....................  Establish the           Data from the           You must continuously
                                      operating limit for     temperature             measure the operating
                                      operating temperature.  measurement device      temperature, determine and
                                                              during the dioxin/      record the block average
                                                              furan performance       temperature values for the
                                                              test.                   three test runs, and
                                                                                determine and record the 4-
                                                                                hour block average of the
                                                                                recorded temperature
                                                                                measurements for the three
                                                                                test runs. The average of
                                                                                the three test runs
                                                                                establishes your minimum
                                                                                site-specific operating
                                                                                limit.
12. Floor tile press dryer.........  Establish the           Data from the           You must continuously
                                      operating limit for     temperature             measure the operating
                                      operating temperature.  measurement device      temperature, determine and
                                                              during the dioxin/      record the block average
                                                              furan performance       temperature values for the
                                                              test.                   three test runs, and
                                                                                determine and record the 4-
                                                                                hour block average of the
                                                                                recorded temperature
                                                                                measurements for the three
                                                                                test runs. The average of
                                                                                the three test runs
                                                                                establishes your maximum
                                                                                site-specific operating
                                                                                limit.
----------------------------------------------------------------------------------------------------------------

    Note 1: The standard deviation of the 12 1-hour temperature
measurements is calculated as follows:
[GRAPHIC] [TIFF OMITTED] TR01NO19.007

Where:

[sigma] = standard deviation
xi = each 1-hour temperature measurement
[mu] = mean of all 12 1-hour measurements
N = 12 measurements

0
11. Table 6 to subpart KKKKK is revised to read as follows:

  Table 6 to Subpart KKKKK of Part 63--Initial Compliance With Emission
                 Limitations and Work Practice Standards
  As stated in Sec.   63.8605, you must demonstrate initial compliance
with each emission limitation and work practice standard that applies to
                  you according to the following table:
------------------------------------------------------------------------
                                                   You have demonstrated
        For each . . .          For the following  initial compliance if
                                      . . .                . . .
------------------------------------------------------------------------
1. Collection of all tunnel or  a. HF, HCl, and    i. You measure HF and
 roller kilns at the facility.   Cl2 emissions      HCl emissions for
                                 must not exceed    each kiln using
                                 62 kg/hr (140 lb/  Method 26 or 26A of
                                 hr) HCl            40 CFR part 60,
                                 equivalent.        appendix A-8 or its
                                                    alternative, ASTM
                                                    D6735-01 (Reapproved
                                                    2009) (incorporated
                                                    by reference, see
                                                    Sec.   63.14); or
                                                    Method 320 of
                                                    appendix A of this
                                                    part or its
                                                    alternative, ASTM
                                                    D6348-03 (Reapproved
                                                    2010) (incorporated
                                                    by reference, see
                                                    Sec.   63.14); and
                                                   ii. You calculate the
                                                    HCl-equivalent
                                                    emissions for HF for
                                                    each kiln using
                                                    Equation 4 to this
                                                    subpart; and
                                                   iii. You sum the HCl-
                                                    equivalent values
                                                    for all kilns at the
                                                    facility using
                                                    Equation 5 to this
                                                    subpart; and
                                                   iv. The facility
                                                    total HCl-equivalent
                                                    does not exceed 62
                                                    kg/hr (140 lb/hr).
2. Existing floor tile roller   a. PM emissions    i. The PM emissions
 kiln.                           must not exceed    measured using
                                 0.063 kg/Mg        Method 5 of 40 CFR
                                 (0.13 lb/ton) of   part 60, appendix A-
                                 fired product.     3 or Method 29 of 40
                                                    CFR part 60,
                                                    appendix A-8, over
                                                    the period of the
                                                    initial performance
                                                    test, according to
                                                    the calculations in
                                                    Sec.
                                                    63.8595(f)(1), do
                                                    not exceed 0.063 kg/
                                                    Mg (0.13 lb/ton) of
                                                    fired product; and
                                                   ii. You establish and
                                                    have a record of the
                                                    applicable operating
                                                    limits listed in
                                                    Table 2 to this
                                                    subpart over the
                                                    period of the
                                                    initial performance
                                                    test during which PM
                                                    emissions did not
                                                    exceed 0.063 kg/Mg
                                                    (0.13 lb/ton) of
                                                    fired product.
                                b. Hg emissions    i. The Hg emissions
                                 must not exceed    measured using
                                 6.3 E-05 kg/Mg     Method 29 of 40 CFR
                                 (1.3 E-04 lb/      part 60, appendix A-
                                 ton) of fired      8 or its
                                 product.           alternative, ASTM
                                                    D6784-02 (Reapproved
                                                    2008) (incorporated
                                                    by reference, see
                                                    Sec.   63.14), over
                                                    the period of the
                                                    initial performance
                                                    test, do not exceed
                                                    6.3 E-05 kg/Mg (1.3
                                                    E-04 lb/ton) of
                                                    fired product; and
                                                   ii. You establish and
                                                    have a record of the
                                                    operating limits
                                                    listed in Table 2 to
                                                    this subpart over
                                                    the period of the
                                                    initial performance
                                                    test during which Hg
                                                    emissions did not
                                                    exceed 6.3 E-05 kg/
                                                    Mg (1.3 E-04 lb/ton)
                                                    of fired product.
                                c. Dioxin/furan    i. The dioxin/furan
                                 emissions must     emissions measured
                                 not exceed 2.8     using Method 23 of
                                 ng/kg of fired     40 CFR part 60,
                                 product.           appendix A-7, over
                                                    the period of the
                                                    initial performance
                                                    test, do not exceed
                                                    2.8 ng/kg of fired
                                                    product; and
                                                   ii. You establish and
                                                    have a record of the
                                                    operating limits
                                                    listed in Table 2 to
                                                    this subpart over
                                                    the period of the
                                                    initial performance
                                                    test during which
                                                    dioxin/furan
                                                    emissions did not
                                                    exceed 2.8 ng/kg of
                                                    fired product.
3. Existing wall tile roller    a. PM emissions    i. The PM emissions
 kiln.                           must not exceed    measured using
                                 0.19 kg/Mg (0.37   Method 5 of 40 CFR
                                 lb/ton) of fired   part 60, appendix A-
                                 product.           3 or Method 29 of 40
                                                    CFR part 60,
                                                    appendix A-8, over
                                                    the period of the
                                                    initial performance
                                                    test, according to
                                                    the calculations in
                                                    Sec.
                                                    63.8595(f)(1), do
                                                    not exceed 0.19 kg/
                                                    Mg (0.37 lb/ton) of
                                                    fired product; and
                                                   ii. You establish and
                                                    have a record of the
                                                    operating limits
                                                    listed in Table 2 to
                                                    this subpart over
                                                    the period of the
                                                    initial performance
                                                    test during which PM
                                                    emissions did not
                                                    exceed 0.19 kg/Mg
                                                    (0.37 lb/ton) of
                                                    fired product.
                                b. Hg emissions    i. The Hg emissions
                                 must not exceed    measured using
                                 1.1 E-04 kg/Mg     Method 29 of 40 CFR
                                 (2.1 E-04 lb/      part 60, appendix A-
                                 ton) of fired      8 or its
                                 product.           alternative, ASTM
                                                    D6784-02 (Reapproved
                                                    2008) (incorporated
                                                    by reference, see
                                                    Sec.   63.14), over
                                                    the period of the
                                                    initial performance
                                                    test, do not exceed
                                                    1.1 E-04 kg/Mg (2.1
                                                    E-04 lb/ton) of
                                                    fired product; and
                                                   ii. You establish and
                                                    have a record of the
                                                    operating limits
                                                    listed in Table 2 to
                                                    this subpart over
                                                    the period of the
                                                    initial performance
                                                    test during which Hg
                                                    emissions did not
                                                    exceed 1.1 E-04 kg/
                                                    Mg (2.1 E-04 lb/ton)
                                                    of fired product.
                                c. Dioxin/furan    i. The dioxin/furan
                                 emissions must     emissions measured
                                 not exceed 0.22    using Method 23 of
                                 ng/kg of fired     40 CFR part 60,
                                 product.           appendix A-7, over
                                                    the period of the
                                                    initial performance
                                                    test, do not exceed
                                                    0.22 ng/kg of fired
                                                    product; and
                                                   ii. You establish and
                                                    have a record of the
                                                    operating limits
                                                    listed in Table 2 to
                                                    this subpart over
                                                    the period of the
                                                    initial performance
                                                    test during which
                                                    dioxin/furan
                                                    emissions did not
                                                    exceed 0.22 ng/kg of
                                                    fired product.
4. Existing first-fire          a. PM emissions    i. The PM emissions
 sanitaryware tunnel kiln.       must not exceed    measured using