```

[Federal Register Volume 80, Number 143 (Monday, July 27, 2015)]
[Rules and Regulations]
[Pages 44771-44793]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2015-16811]

[[Page 44771]]

Vol. 80

Monday,

No. 143

July 27, 2015

Part VI

Environmental Protection Agency

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40 CFR Part 60 and 63

National Emission Standards for Hazardous Air Pollutants for the 
Portland Cement Manufacturing Industry and Standards of Performance for 
Portland Cement Plants; Final Rule

Federal Register / Vol. 80 , No. 143 / Monday, July 27, 2015 / Rules 
and Regulations

[[Page 44772]]

-----------------------------------------------------------------------

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 60 and 63

[EPA-HQ-OAR-2011-0817; FRL-9927-62-OAR]
RIN 2060-AQ93

National Emission Standards for Hazardous Air Pollutants for the 
Portland Cement Manufacturing Industry and Standards of Performance for 
Portland Cement Plants

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final amendments.

-----------------------------------------------------------------------

SUMMARY: This action finalizes amendments to the National Emission 
Standards for Hazardous Air Pollutants (NESHAP) for the Portland Cement 
Manufacturing Industry and Standards of Performance for Portland Cement 
Plants. On February 12, 2013, the Environmental Protection Agency (EPA) 
finalized amendments to the NESHAP and the new source performance 
standards (NSPS) for the Portland cement industry. Subsequently, the 
EPA became aware of certain minor technical errors in those amendments, 
and thus issued a proposal to correct these errors on November 19, 2014 
(79 FR 68821). The EPA received 3 comments on the proposal. In response 
to the comments received and to complete technical corrections, the EPA 
is now issuing final amendments. In addition, consistent with the U.S. 
Court of Appeals to the DC Circuit's vacatur of the affirmative defense 
provisions in the final rule, this action removes those provisions. 
These amendments do not affect the pollution reduction or costs 
associated with these standards.

DATES: This final rule is effective on July 27, 2015.

ADDRESSES: The EPA has established a docket for this action under 
Docket ID No. EPA-HQ-OAR-2011-0817. All documents in the docket are 
listed in the http://www.regulations.gov index. Although listed in the 
index, 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. Publicly available docket materials are available 
either electronically through http://www.regulations.gov or in hard 
copy at the EPA's Docket Center, Public Reading Room, EPA WJC West 
Building, Room Number 3334, 1301 Constitution Avenue NW., Washington, 
DC 20004. This docket facility 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 (202) 566-1744, and the telephone number 
for the Air Docket is (202) 566-1742.

FOR FURTHER INFORMATION CONTACT: Ms. Sharon Nizich, 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: (919) 541-2825; facsimile 
number: (919) 541-5450; email address: nizich.sharon@epa.gov. For 
information about the applicability of the NESHAP or NSPS, contact Mr. 
Patrick Yellin, Monitoring, Assistance and Media Programs Division 
(2227A), Office of Enforcement and Compliance Assurance, U.S. 
Environmental Protection Agency, 1200 Pennsylvania Avenue, Washington, 
DC 20460; telephone number (202) 564-2970; email address 
yellin.patrick@epa.gov.

SUPPLEMENTARY INFORMATION: Organization of This Document. The 
information presented in this preamble is organized as follows:

I. Preamble Acronyms and Abbreviations
II. General Information
    A. Executive Summary
    B. Does this reconsideration action apply to me?
    C. Where can I get a copy of this document and other related 
information?
    D. Judicial Review
III. Summary of Final Amendments
    A. Corrections and Clarifications
    B. Affirmative Defense
IV. Summary of Changes Since Proposal
V. Summary of Comments and Responses
VI. Impacts of These Final Amendments
    A. What are the air impacts?
    B. What are the energy impacts?
    C. What are the compliance costs?
    D. What are the economic and employment impacts?
    E. What are the benefits of the final standards?
VII. Statutory and Executive Order Reviews
    A. Executive Order 12866: Regulatory Planning and Review and 
Executive Order 13563: Improving Regulation and Regulatory Review
    B. Paperwork Reduction Act (PRA)
    C. Regulatory Flexibility Act (RFA)
    D. Unfunded Mandates Reform Act of 1995 (UMRA)
    E. Executive Order 13132: Federalism
    F. Executive Order 13175: Consultation and Coordination With 
Indian Tribal Governments
    G. Executive Order 13045: Protection of Children From 
Environmental Health Risks and Safety Risks
    H. Executive Order 13211: Actions Concerning Regulations That 
Significantly Affect Energy Supply, Distribution or Use
    I. National Technology Transfer and Advancement Act (NTTAA)
    J. Executive Order 12898: Federal Actions To Address 
Environmental Justice in Minority Populations and Low-Income 
Populations
    K. Congressional Review Act (CRA)

I. Preamble Acronyms and Abbreviations

    Several acronyms and terms are included in this preamble. While 
this may not be an exhaustive list, to ease the reading of this 
preamble and for reference purposes, the following terms and acronyms 
are defined here:

APCD air pollution control devices
CAA Clean Air Act
CEMS continuous emission monitoring systems
CFR Code of Federal Regulations
EPA Environmental Protection Agency
FR Federal Register
Hg mercury
HCl hydrogen chloride
NAICS North American Industry Classification System
NESHAP National Emissions Standards for Hazardous Air Pollutants
NSPS new source performance standards
NTTAA National Technology Transfer and Advancement Act
oHAP Non-dioxin organic hazardous air pollutants
OMB Office of Management and Budget
PM particulate matter
ppm(v)(d,w) parts per million (by volume) (dry,wet)
SO2 Sulfur Dioxide
THC total hydrocarbons
TTN Technology Transfer Network
UMRA Unfunded Mandates Reform Act
WWW World Wide Web

II. General Information

A. Executive Summary

1. Purpose of This Regulatory Action
    The purpose of this action is to finalize amendments to the 40 CFR 
part 60, and part 63, subparts F and LLL, respectively. In 2010, the 
EPA established the NESHAP for the Portland Cement source category. (75 
FR 54970, September 9, 2010). Specifically, the EPA established 
emission standards for mercury (Hg), hydrogen chloride (HCl), total 
hydrocarbons (THC) (or in the alternative, organic hazardous air 
pollutants (oHAP)), and particulate matter (PM). These standards, 
established pursuant to section 112(d) of the Clean Air Act (CAA), 
reflected performance of maximum available control technology. 
Following court remand, Portland Cement Ass'n v. EPA, 665 F. 3d 177 
(D.C. Cir. 2011), the EPA amended some of these standards in 2013, and 
established a new compliance date of September 9, 2015, for the

[[Page 44773]]

amended standards. (78 FR 10006, Feb. 12, 2013). All of these actions 
were upheld by the U.S. Court of Appeals for the District of Columbia 
Circuit. Natural Resources Defense Council v. EPA, 749 F. 3d 1055 (D.C. 
Cir. 2014). The Court, however, vacated a provision of the rule 
establishing an affirmative defense when violations of the standards 
occurred because of malfunctions. 749 F. 3d at 1063-64. In light of the 
Court's vacatur, the regulatory provisions establishing the affirmative 
defense are null and void. Thus, the EPA is removing the affirmative 
defense regulatory text (40 CFR 63.1344) as part of this final 
technical corrections rule.
    The EPA also adopted standards of performance for new Portland 
cement sources as part of the same regulatory action establishing the 
2010 NESHAP. (75 FR 54970, Sept. 9, 2010) and amended those standards 
at the same time of the NESHAP amendments (see 78 FR 10006) (see also 
Portland Cement Ass'n v. EPA, 665 F. 3d at 190-92 (upholding these 
standards)). The EPA is finalizing certain technical changes to these 
NSPS as part of this action.

B. Does this reconsideration action apply to me?

    Categories and entities potentially regulated by this final rule 
include:

 Table 1--Industrial Source Categories Affected by This NESHAP and NSPS
                              Final Action
------------------------------------------------------------------------
                                                         Examples of
             Category               NAICS code \a\   regulated entities
------------------------------------------------------------------------
Industry..........................          327310  Portland cement
                                                     manufacturing
                                                     plants.
Federal government................  ..............  Not affected.
State/local/tribal government.....  ..............  Portland cement
                                                     manufacturing
                                                     plants.
------------------------------------------------------------------------
\a\ North American Industry Classification System.

    Table 1 of this preamble is not intended to be exhaustive, but 
rather provides a guide for readers regarding entities likely to be 
regulated by this action. To determine whether your facility will be 
regulated by this action, you should examine the applicability criteria 
in 40 CFR 60.60 (subpart F) or in 40 CFR 63.1340 (subpart LLL). If you 
have any questions regarding the applicability of this final action to 
a particular entity, contact the appropriate person listed in the 
preceding FOR FURTHER INFORMATION CONTACT section.

C. 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 action is available on the Internet through the EPA's Technology 
Transfer Network (TTN) Web site, a forum for information and technology 
exchange in various areas of air pollution control. Following signature 
by the EPA Administrator, the EPA will post a copy of this final action 
at http://www.epa.gov/airquality/cement. Following publication in the 
Federal Register, the EPA will post the Federal Register version of the 
proposal and key technical documents at this same Web site.

D. Judicial Review

    Under section 307(b)(1) of the CAA, judicial review of this final 
action is available only by filing a petition for review in the court 
by September 25, 2015. Under section 307(b)(2) of the CAA, the 
requirements established by the 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 ``[o]nly 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 convene a proceeding for 
reconsideration, ``[i]f the person raising an objection can demonstrate 
to the EPA 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, WJC Building, 1200 Pennsylvania 
Ave. NW., Mail Code 1101A, Washington, DC 20460, with a copy to both 
the person(s) 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), U.S. EPA, 1200 Pennsylvania Ave. 
NW., Mail Code 2344A, Washington, DC 20460.

III. Summary of Final Amendments

A. Corrections and Clarifications

    The EPA is finalizing certain clarifying changes and corrections to 
the 2013 final rule. Specifically, these amendments will: (1) Clarify 
the definition of rolling average, operating day and run average; (2) 
restore the table of emission limits which apply until the September 9, 
2015, compliance date; (3) correct equation 8 regarding sources with an 
alkali bypass or inline coal mill that include a separate stack; (4) 
provide a scaling alternative for sources that have a wet scrubber, 
tray tower or dry scrubber relative to the HCl compliance 
demonstration; (5) add a temperature parameter to the startup and 
shutdown requirements; (6) clarify language related to span values for 
both Hg and HCl measurements; and (7) correct inadvertent typographical 
errors. The EPA is also finalizing corrections to certain inadvertent 
inconsistencies in the final rule regulatory text, such as correction 
of the compliance date for new sources and correction to the compliance 
date regarding monitoring and recordkeeping requirements.
    In both the NSPS and the NESHAP, we are finalizing language to 
clarify the existing definitions of Operating Day, Rolling Average and 
Run Average to promote consistent and clear monitoring data recording 
and emissions reporting. The clarifications below are in response to 
industry questions and are not intended to change the meaning of the 
final rule. In the final amendments, we clarify that ``Operating Day'' 
is any 24-hour period where clinker is produced. This clarification is 
necessary to specify that during any day with both operations and 
emissions, an emissions value or an average of emissions values 
representing those operations is included in the 30-day rolling average 
calculation. We also clarify that ``Rolling Average'' means a weighted 
average of all monitoring data collected during a specified time period 
divided by all production of clinker during those same hours of 
operation, and, where applicable, a 30-day rolling average is comprised 
of the average of all the hourly average concentrations over the 
previous 30 operating days. This clarification is necessary to specify 
the

[[Page 44774]]

way a long-term rolling average value is calculated such that different 
facilities are not using different approaches to demonstrate compliance 
with the rule. In addition, we clarify that ``Run Average'' means the 
average of the recorded parameter values, not the 1-minute parameter 
values, for a run.
    We are amending 40 CFR 63.1349(b)(8)(vii) to include a provision 
describing performance testing requirements when a source demonstrates 
compliance with the emissions standard using a continuous emissions 
monitoring system (CEMS) for sulfur dioxide (SO2) 
measurement and reporting.
    We are adding a scaling alternative whereby if a source uses a wet 
scrubber, tray tower or dry scrubber, and where the test run average of 
the three HCl compliance tests demonstrates compliance below 2.25 parts 
per million by volume (ppmv) (which is 75 percent of the HCl emission 
limit), the source may calculate an operating limit by establishing a 
relationship of the average SO2 CEMS signal to the HCl 
concentration (corrected to 7 percent oxygen). The operating limit 
would be established at a point where the SO2 CEMS indicates 
the source would be at 2.25 ppmv. Since the 2.25 ppmv is below the 
actual limit of 3.0 ppmv, the source will continue to demonstrate 
compliance with the HCl standard. Given the fact that SO2 
controls preferentially remove HCl, an increase in SO2 
emissions would not indicate an increase in HCl emissions as long as 
some SO2 emissions reductions are occurring. Adding this 
compliance flexibility should not result in any increase in HCl 
emissions.
    We are also amending, under 40 CFR 63.1346(g)(3), language related 
to the use of air pollution control devices (APCD). We had proposed 
that all hazardous APCD be operating by the time the temperature to the 
APCD reaches 300 [deg]F. However, during the comment period, the EPA 
received further clarification on the temperature parameter. Commenters 
noted that the temperature threshold during startup need only apply to 
injection systems and not all APCD, and that the temperature reading 
should occur at the PM control device inlet. Commenters also noted that 
as soon as fuel is shut off during shutdown, gas flows can decrease to 
the point where activated carbon and hydrated lime being injected can 
fall out of the stream and accumulate in the duct work due to reduced 
gas flows. In addition, lime affected by water vapor condensation 
present during startup and shutdown conditions will cause the lime to 
harden and reduce the efficiency for dust removal.\1\ Because of the 
injection system operating restrictions with startup and shutdown, 
revision of the startup and shutdown work practice is amended in the 
final rule to clarify that the injection system may be shut off when 
kiln feed is shut off. In addition to this revision regarding injection 
systems, clarification that all control devices for HAP must be 
operating during startup and shutdown has been included in the 
regulatory text.
---------------------------------------------------------------------------

    \1\ These issues are further discussed in the docket, via 
communication with John Holmes dated September 24, 2014.
---------------------------------------------------------------------------

    We are also finalizing measurement span criteria for HCl CEMS to 
include better quality assurance/quality control (QA/QC) for 
measurements of elevated HCl emissions that may result from ``mill 
off'' operations. This slight increase in measurement span (from 5 
parts per million (ppm) to 10 ppm) provides for an improved balance 
between accurately quantifying measurements at low emissions levels 
(the majority of operating time) and improving QA/QC for brief periods 
of elevated emissions observed during ``mill off'' operation (the 
majority of HCl mass emissions).
    In these final amendments, we remove 40 CFR 60.64(c)(2), which 
applied when sources did not have valid 15-minute CEMS data. This 
provision allowed for inclusion of the average emission rate from the 
previous hour for which data were available. This provision was 
inadvertently added to the final rule, but this substitution is not an 
allowable action.
    We are also revising 40 CFR 63.1350(o) (Alternative Monitoring 
Requirements Approval), because language in this section, which does 
not allow an operator to apply for alternative THC monitoring, is now 
obsolete. There is now alternative monitoring allowed in 40 CFR 
63.1350(j) due to the 2013 final rule (see 78 FR 10015). A source that 
emits a high amount of THC due to methane emissions, for example, can 
follow the alternative oHAP monitoring requirements. For any other 
reason that an alternative THC monitoring protocol is warranted, we 
allow the source to submit an application to the Administrator subject 
to the provisions of 40 CFR 63.1350(o)(1) through (6).

B. Affirmative Defense

    The EPA is removing a regulatory affirmative defense provision from 
the rule. As explained above, removal of the affirmative defense merely 
corrects the regulation to reflect that the provisions have no legal 
effect in light of the court vacatur of the affirmative defense 
provisions in the Portland Cement NESHAP rule. NRDC v. EPA, 749 F. 3d 
at 1063-64 (D.C. Cir. 2014).

IV. Summary of Changes Since Proposal

    Section III summarized the amendments to the 2013 NSPS and NESHAP 
rules that the EPA is finalizing in this rule. Due to public comments, 
minor changes to the proposed regulatory text have been included in the 
final rule. These minor changes are discussed in the response to 
comment document that can be found in the docket. We believe that these 
minor changes sufficiently address concerns expressed by commenters and 
improve the clarity of the rule while improving or preserving public 
health and environmental protection required under the CAA.

V. Summary of Comments and Responses

    We proposed amendments to the 2013 NSPS and NESHAP rules on 
November 19, 2014 (see 79 FR 68821). We received 3 comment letters, and 
consequently made some additional corrections in response to these 
comments. Comments and responses on these amendments are summarized in 
the response to comments document found in the docket. There were no 
significant comments received on the proposed technical amendments. A 
list of typographical errors we proposed to correct, and are now 
finalizing, can be found in the proposed rule at 79 FR 68824. For 
clarity, we are including a table of additional typographical 
corrections found by the commenters on the proposed rule.

[[Page 44775]]

  Table 2--Miscellaneous Final Technical Corrections to 40 CFR Part 63,
                               Subpart LLL
------------------------------------------------------------------------
         Section of subpart LLL             Description of correction
------------------------------------------------------------------------
40 CFR 63.1347(a)(1)...................  Referred rule numbers have been
                                          changed from Section 63.1343
                                          through 63.1348, to Sections
                                          63.1343, 1345 and 1346.
40 CFR 63.1349(b)(1)(iii)..............  Reference to procedures in
                                          (a)(1)(iii)(A) through (D) is
                                          changed to (b)1(iii)(A)
                                          through (D).
40 CFR 63.1349(b)(1)(iii)(A)(4)........  Reference in this section is
                                          changed from (a)(1)(iii)(A)(1)
                                          through (3) to
                                          (b)(1)(iii)(A)(1) through (3).
40 CFR 63.1349(b)(3)(iv)...............  Reference in this section is
                                          changed from 63.1344(b) to
                                          63.1346(b).
40 CFR 63.1349(b)(7)(ii)...............  Reference in this section is
                                          changed from (a)(7)(vii) and
                                          (viii)) to (b)(7)(viii)
                                          through (ix).
40 CFR 63.1349(b)(7)(vii)..............  Reference in this section is
                                          changed from (a)(7)(vii) and
                                          (viii) to (b)(7)(viii) through
                                          (ix).
40 CFR 63.1349(b)(7)(viii).............  Reference in this section is
                                          changed from (a)(7)(vii)(A)
                                          and (B) to (b)(7)(viii)(A) and
                                          (B).
Equation 13............................  The variable Y listed in units
                                          of ppmv is changed to ppmvd.
Equation 14............................  Variable Y1 is listed but is
                                          not in equation and has been
                                          removed.
40 CFR 63.1349(b)(8)(viii).............  Reference to Equation 18 has
                                          been changed to reference to
                                          Equation 21.
40 CFR 63.1349(c)......................  A range for performance testing
                                          from 29-31 months for 30 month
                                          tests and 11-13 months for
                                          annual tests has been added.
40 CFR 63.1350(k) and (l)..............  Clarifications on calibration
                                          and span checks have been
                                          added.
                                         Reference to Performance
                                          Specification 18 added.
40 CFR 63.1350(n)(4)...................  Reference in this section is
                                          changed from (n)(1) to (n)(2).
40 CFR 63.1355(d)......................  A requirement to keep annual
                                          records of cement kiln dust is
                                          obsolete due to the 2013 final
                                          amendment requirements of
                                          continuous monitoring, so this
                                          provision has been removed.
Table 1 to Subpart LLL of Part 63--      Remove reference to
 Applicability of General Provisions.     63.10(e)(3)(vii) and (viii)
                                          since they were superseded by
                                          63.1354(b)(10).
------------------------------------------------------------------------

    The EPA is also finalizing corrections and clarifications to the 
2013 NESHAP and NSPS rules, including typographical and grammatical 
errors, as well as incorrect dates and cross-references. Details of the 
specific changes we are finalizing to the regulatory text may be found 
above in the table of corrections, and also in the response to comment 
document found in the docket for this action.

VI. Impacts of These Final Amendments

    The EPA has determined that owners and operators of affected 
facilities would choose to install and operate the same or similar air 
pollution control technologies under this action as they would have 
installed to comply with the previously finalized standards. We project 
that these amendments will result in no significant change in costs, 
emission reductions or benefits. Even if there were changes in costs 
for the affected facilities, such changes would likely be small 
relative to both the overall costs of the individual projects and the 
overall costs and benefits of the final rule. Since we believe that 
owners and operators would put on the same controls for this revised 
final rule that they would have for the 2013 rule, there should not be 
any incremental costs related to this final rule.

A. What are the air impacts?

    We believe that owners and operators of affected facilities will 
not revise their control technology implementation plans as a result of 
these final technical corrections. Accordingly, we believe that this 
final rule will not result in significant changes in emissions of any 
regulated pollutants.

B. What are the energy impacts?

    This final rule is not anticipated to have an effect on the supply, 
distribution or use of energy. As previously stated, we believe that 
owners and operators of affected facilities would install the same or 
similar control technologies as they would have installed to comply 
with the previously finalized standards.

C. What are the compliance costs?

    We believe there will be no significant change in compliance costs 
as a result of this final rule because owners and operators of affected 
facilities would install the same or similar control technologies as 
they would have installed to comply with the previously finalized 
standards.

D. What are the economic and employment impacts?

    Because we expect that owners and operators of affected facilities 
would install the same or similar control technologies under this 
action as they would have installed to comply with the previously 
finalized standards, we do not anticipate that this final rule will 
result in significant changes in emissions, energy impacts, costs, 
benefits or economic impacts. Likewise, we believe this rule will not 
have any impacts on the price of electricity, employment or labor 
markets, or the U.S. economy.

E. What are the benefits of the final standards?

    As previously stated, the EPA anticipates the Portland cement 
industry will not incur significant compliance costs or savings as a 
result of this action and we do not anticipate any significant emission 
changes resulting from these amendments to the rule. Therefore, there 
are no direct monetized benefits or disbenefits associated with this 
final rule.

VII. Statutory and Executive Order Reviews

    Additional information about these statutes and Executive Orders 
can be found at http://www2.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 Office of Management and Budget (OMB) 
for review.

[[Page 44776]]

B. Paperwork Reduction Act (PRA)

    This action does not impose any new information collection burden 
under the PRA. The OMB has previously approved the information 
collection activities contained in the existing regulations and has 
assigned OMB control number 2060-0416 for the NESHAP; there are no 
additional recordkeeping and reporting requirements for the NSPS. This 
action does not change the information collection requirements 
previously finalized and, as a result, does not impose any additional 
information collection burden on industry. The OMB control numbers for 
the EPA's regulations in 40 CFR are listed in 40 CFR part 9.

C. 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. The EPA has determined that none of the 
small entities subject to this rule will experience a significant 
impact because this action imposes no additional compliance costs on 
owners or operators of affected sources. We have therefore concluded 
that this action will have no net regulatory burden for all directly 
regulated small entities.

D. Unfunded Mandates Reform Act of 1995 (UMRA)

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

E. 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.

F. 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 not have substantial direct effect on 
tribal governments, on the relationship between the federal government 
and Indian tribes or on the distribution of power and responsibilities 
between the federal government and Indian tribes, as specified in 
Executive Order 13175. Thus, Executive Order 13175 does not apply to 
this action.

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

    This action is not subject to Executive Order 13045 because it is 
not economically significant as defined in Executive Order 12866, and 
because the EPA does not believe the environmental health or safety 
risks addressed by this action present a disproportionate risk to 
children.
    This action does not add to or relieve affected sources from any 
requirements, and therefore has no impacts; thus, health and risk 
assessments were not conducted.

H. 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.

I. National Technology Transfer and Advancement Act (NTTAA)

    This rulemaking does not involve technical standards.

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

    The EPA believes the human health or environmental risk addressed 
by this action will not have potential disproportionately high and 
adverse human health or environmental effects on minority, low-income 
or indigenous populations because it does not affect the level of 
protection provided to human health or the environment. The basis for 
this determination is that this action is a reconsideration of existing 
requirements and imposes no new impacts or costs.

K. 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

40 CFR Part 60

    Administrative practice and procedure, Air pollution control, 
Environmental protection, Intergovernmental relations, Reporting and 
recordkeeping.

40 CFR Part 63

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

    Dated: July 1, 2015.
Gina McCarthy,
Administrator.
    For the reasons set out in the preamble, title 40, chapter I of the 
Code of Federal Regulations is amended as follows:

PART 60--STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES

0
1. The authority citation for part 60 continues to read as follows:

    Authority: 42 U.S.C. 7411.

Subpart F--[Amended]

0
2. Section 60.61 is amended by revising paragraph (f) and adding 
paragraphs (g) and (h) to read as follows:

Sec.  60.61  Definitions.

* * * * *
    (f) Operating day means a 24-hour period beginning at 12:00 
midnight during which the kiln produces clinker at any time. For 
calculating 30 day rolling average emissions, an operating day does not 
include the hours of operation during startup or shutdown.
    (g) Rolling average means the weighted average of all data, meeting 
QA/QC requirements or otherwise normalized, collected during the 
applicable averaging period. The period of a rolling average stipulates 
the frequency of data averaging and reporting. To demonstrate 
compliance with an operating parameter a 30-day rolling average period 
requires calculation of a new average value each operating day and 
shall include the average of all the hourly averages of the specific 
operating parameter. For demonstration of compliance with an emissions 
limit based on pollutant concentration, a 30-day rolling average is 
comprised of the average of all the hourly average concentrations over 
the previous 30 operating days. For demonstration of compliance with an 
emissions limit based on lbs-pollutant

[[Page 44777]]

per production unit, the 30-day rolling average is calculated by 
summing the hourly mass emissions over the previous 30 operating days, 
then dividing that sum by the total production during the same period.
    (h) Run average means the average of the recorded parameter values 
for a run.

0
3. Section 60.62 is amended by adding paragraphs (a)(1)(i), (a)(2), 
(b)(1)(iii) and (iv), revising paragraph (d), and adding paragraph (e) 
to read as follows:

Sec.  60.62  Standards.

    (a) * * *
    (1) * * *
    (i) 0.30 pounds per ton of feed (dry basis) to the kiln for kilns 
constructed, reconstructed, or modified after August 17, 1971 but on or 
before June 16, 2008.
* * * * *
    (2) Exhibit greater than 20 percent opacity for kilns constructed, 
reconstructed, or modified after August 17, 1971 but on or before June 
16, 2008, except that this opacity limit does not apply to any kiln 
subject to a PM limit in paragraph (a)(1) of this section that uses a 
PM continuous parametric monitoring system (CPMS).
* * * * *
    (b) * * *
    (1) * * *
    (iii) 0.10 lb per ton of feed (dry basis) for clinker coolers 
constructed, reconstructed, or modified after August 17, 1971, but on 
or before June 16, 2008.
    (iv) 10 percent opacity for clinker coolers constructed, 
reconstructed, or modified after August 17, 1971, but on or before June 
16, 2008, except that this opacity limit does not apply to any clinker 
cooler subject to a PM limit in paragraph (b)(1) of this section that 
uses a PM continuous parametric monitoring system (CPMS).
* * * * *
    (d) If you have an affected source subject to this subpart with a 
different emissions limit or requirement for the same pollutant under 
another regulation in title 40 of this chapter, once you are in 
compliance with the most stringent emissions limit or requirement, you 
are not subject to the less stringent requirement. Until you are in 
compliance with the more stringent limit, the less stringent limit 
continues to apply.
    (e) The compliance date for all revised monitoring and 
recordkeeping requirements contained in this rule will be the same as 
listed in 63.1351(c) unless you commenced construction as of June 16, 
2008, at which time the compliance date is November 8, 2010 or upon 
startup, whichever is later.

0
4. Section 60.63 is amended by revising paragraphs (c)(1), (c)(2)(i) 
and (iii), (c)(3), (c)(4)(ii) through (iv), and (c)(5) through (8) to 
read as follows:

Sec.  60.63  Monitoring of operations.

* * * * *
    (c) * * *
    (1) For each kiln or clinker cooler subject to a PM emissions limit 
in Sec. Sec.  60.62(a)1(ii) and 60.62(a)1(iii) or 60.62(b)(1)(i) and 
60.62(b)(1)(ii), you must demonstrate compliance through an initial 
performance test. You will conduct your performance test using Method 5 
or Method 5I at appendix A-3 to part 60 of this chapter. You must also 
monitor continuous performance through use of a PM CPMS.
    (2) * * *
    (i) Your PM CPMS must provide a 4-20 milliamp or digital signal 
output and the establishment of its relationship to manual reference 
method measurements must be determined in units of milliamps or the 
monitors digital equivalent.
    (ii) * * *
    (iii) During the initial performance test or any such subsequent 
performance test that demonstrates compliance with the PM limit, record 
and average all milliamp or digital output values from the PM CPMS for 
the periods corresponding to the compliance test runs (e.g., average 
all your PM CPMS output values for three corresponding 2-hour Method 5I 
test runs).
    (3) Determine your operating limit as specified in paragraphs 
(c)(4)(i) through (c)(5) of this section. If your PM performance test 
demonstrates your PM emission levels to be below 75 percent of your 
emission limit, you will use the average PM CPMS value recorded during 
the PM compliance test, the milliamp or digital equivalent of zero 
output from your PM CPMS, and the average PM result of your compliance 
test to establish your operating limit. If your PM compliance test 
demonstrates your PM emission levels to be at or above 75 percent of 
your emission limit, you will use the average PM CPMS value recorded 
during the PM compliance test to establish your operating limit. You 
must verify an existing or establish a new operating limit after each 
repeated performance test. You must repeat the performance test at 
least annually and reassess and adjust the site-specific operating 
limit in accordance with the results of the performance test.
    (4) * * *
    (ii) Determine your PM CPMS instrument average in milliamps or 
digital equivalent and the average of your corresponding three PM 
compliance test runs, using equation 1.
[GRAPHIC] [TIFF OMITTED] TR27JY15.006

Where:

X1 = The PM CPMS data points for the three runs 
constituting the performance test,
Y1 = The PM concentration value for the three runs 
constituting the performance test, and
n = The number of data points.

    (iii) With your PM CPMS instrument zero expressed in milliamps or a 
digital value, your three run average PM CPMS milliamp or digital 
signal value, and your three run average PM concentration from your 
three PM performance test runs, determine a relationship of lb/ton-
clinker per milliamp or digital signal with equation 2.
[GRAPHIC] [TIFF OMITTED] TR27JY15.007

Where:

R = The relative lb/ton clinker per milliamp or digital equivalent 
for your PM CPMS.
Y1 = The three run average PM lb/ton clinker.

[[Page 44778]]

X1 = The three run average milliamp or digital signal 
output from your PM CPMS.
z = The milliamp or digital equivalent of your instrument zero 
determined from (c)(4)(i) of this section.

    (iv) Determine your source specific 30-day rolling average 
operating limit using the lb/ton-clinker per milliamp or digital signal 
value from Equation 2 above in Equation 3, below. This sets your 
operating limit at the PM CPMS output value corresponding to 75 percent 
of your emission limit.
[GRAPHIC] [TIFF OMITTED] TR27JY15.008

Where:

Ol = The operating limit for your PM CPMS on a 30-day 
rolling average, in milliamps or the digital equivalent.
L = Your source emission limit expressed in lb/ton clinker.
z = Your instrument zero in milliamps or a digital equivalent, 
determined from (1)(i).
R = The relative lb/ton-clinker per milliamp or digital equivalent, 
for your PM CPMS, from Equation 2.

    (5) If the average of your three PM compliance test runs is at or 
above 75 percent of your PM emission limit, you must determine your 
operating limit by averaging the PM CPMS milliamp or digital equivalent 
output corresponding to your three PM performance test runs that 
demonstrate compliance with the emission limit using Equation 4.
[GRAPHIC] [TIFF OMITTED] TR27JY15.009

Where:

X1 = The PM CPMS data points for all runs i.
n = The number of data points.
Oh = Your site specific operating limit, in milliamps or 
digital equivalent.

    (6) To determine continuous compliance, you must record the PM CPMS 
output data for all periods when the process is operating, and use all 
the PM CPMS data for calculations when the source is not out-of-
control. You must demonstrate continuous compliance by using all 
quality-assured hourly average data collected by the PM CPMS for all 
operating hours to calculate the arithmetic average operating parameter 
in units of the operating limit (milliamps or the digital equivalent) 
on a 30 operating day rolling average basis, updated at the end of each 
new kiln operating day. Use Equation 5 to determine the 30 kiln 
operating day average.
[GRAPHIC] [TIFF OMITTED] TR27JY15.010

Where:

Hpvi = The hourly parameter value for hour i.
n = The number of valid hourly parameter values collected over the 
previous 30 kiln operating days.

    (7) Use EPA Method 5 or Method 5I of appendix A to part 60 of this 
chapter to determine PM emissions. For each performance test, conduct 
at least three separate runs each while the mill is on and the mill is 
off under the conditions that exist when the affected source is 
operating at the level reasonably expected to occur. Conduct each test 
run to collect a minimum sample volume of 2 dscm for determining 
compliance with a new source limit and 1 dscm for determining 
compliance with an existing source limit. Calculate the time weighted 
average of the results from three consecutive runs to determine 
compliance. You need not determine the particulate matter collected in 
the impingers (``back half'') of the Method 5 or Method 5I particulate 
sampling train to demonstrate compliance with the PM standards of this 
subpart. This shall not preclude the permitting authority from 
requiring a determination of the ``back half'' for other purposes.
    (8) For PM performance test reports used to set a PM CPMS operating 
limit, the electronic submission of the test report must also include 
the make and model of the PM CPMS instrument, serial number of the 
instrument, analytical principle of the instrument (e.g. beta 
attenuation), span of the instruments primary analytical range, 
milliamp or digital signal value equivalent to the instrument zero 
output, technique by which this zero value was determined, and the 
average milliamp or digital equivalent signals corresponding to each PM 
compliance test run.
* * * * *

0
5. Section 60.64 is amended by revising paragraph (c) introductory text 
and removing and reserving paragraph (c)(2).
    The revision reads as follows:

Sec.  60.64  Test methods and procedures.

* * * * *
    (c) Calculate and record the rolling 30 kiln operating day average 
emission rate daily of NOX and SO2 according to 
the procedures in paragraph (c)(1) of this section.
* * * * *

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

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

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

Subpart LLL--[Amended]

0
7. Section 63.1341 is amended by revising the definitions for 
``Operating day'', ``Rolling average'', and ``Run average'' to read as 
follows:

Sec.  63.1341  Definitions.

* * * * *

[[Page 44779]]

    Operating day means any 24-hour period beginning at 12:00 midnight 
during which the kiln produces any amount of clinker. For calculating 
the 30-day rolling average emissions, kiln operating days do not 
include the hours of operation during startup or shutdown.
* * * * *
    Rolling average means the weighted average of all data, meeting QA/
QC requirements or otherwise normalized, collected during the 
applicable averaging period. The period of a rolling average stipulates 
the frequency of data averaging and reporting. To demonstrate 
compliance with an operating parameter a 30-day rolling average period 
requires calculation of a new average value each operating day and 
shall include the average of all the hourly averages of the specific 
operating parameter. For demonstration of compliance with an emissions 
limit based on pollutant concentration a 30-day rolling average is 
comprised of the average of all the hourly average concentrations over 
the previous 30 operating days. For demonstration of compliance with an 
emissions limit based on lbs-pollutant per production unit the 30-day 
rolling average is calculated by summing the hourly mass emissions over 
the previous 30 operating days, then dividing that sum by the total 
production during the same period.
    Run average means the average of the recorded parameter values for 
a run.
* * * * *

0
8. Section 63.1343 is amended by revising paragraphs (a), (b)(1) and 
(2), and (d) to read as follows:

Sec.  63.1343  What standards apply to my kilns, clinker coolers, raw 
material dryers, and open clinker storage piles?

    (a) General. The provisions in this section apply to each kiln and 
any alkali bypass associated with that kiln, clinker cooler, raw 
material dryer, and open clinker storage pile. All D/F, HCl, and total 
hydrocarbon (THC) emissions limit are on a dry basis. The D/F, HCl, and 
THC limits for kilns are corrected to 7 percent oxygen. All THC 
emissions limits are measured as propane. Standards for mercury and THC 
are based on a rolling 30-day average. If using a CEMS to determine 
compliance with the HCl standard, this standard is based on a rolling 
30-day average. You must ensure appropriate corrections for moisture 
are made when measuring flow rates used to calculate mercury emissions. 
The 30-day period means all operating hours within 30 consecutive kiln 
operating days excluding periods of startup and shutdown. All emissions 
limits for kilns, clinker coolers, and raw material dryers currently in 
effect that are superseded by the limits below continue to apply until 
the compliance date of the limits below, or until the source certifies 
compliance with the limits below, whichever is earlier.
    (b) Kilns, clinker coolers, raw material dryers, raw mills, and 
finish mills. (1) The emissions limits for these sources are shown in 
Table 1.

                             Table 1--Emissions Limits for Kilns, Clinker Coolers, Raw Material Dryers, Raw and Finish Mills
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                     And the operating mode   And if is located at   Your emissions limits   And the units of the  The oxygen correction
     If your source is a (an):                 is:                     a:                     are:           emissions limit are:        factor is:
--------------------------------------------------------------------------------------------------------------------------------------------------------
1. Existing kiln...................  Normal operation......  Major or area source..  PM \1\ 0.07..........  lb/ton clinker.......  NA.
                                                                                     D/F \2\ 0.2..........  ng/dscm (TEQ)........  7 percent.
                                                                                     Mercury 55...........  lb/MM tons clinker...  NA.
                                                                                     THC 3 4 24...........  ppmvd................  7 percent.
2. Existing kiln...................  Normal operation......  Major source..........  HCl 3................  ppmvd................  7 percent.
3. Existing kiln...................  Startup and shutdown..  Major or area source..  Work practices         NA...................  NA.
                                                                                      (63.1346(g)).
4. New kiln........................  Normal operation......  Major or area source..  PM \1\ 0.02..........  lb/ton clinker.......  NA.
                                                                                     D/F \2\ 0.2..........  ng/dscm (TEQ)........  7 percent.
                                                                                     Mercury 21...........  lb/MM tons clinker...  NA.
                                                                                     THC 3 4 24...........  ppmvd................  7 percent.
5. New kiln........................  Normal operation......  Major source..........  HCl 3................  ppmvd................  7 percent.
6. New kiln........................  Startup and shutdown..  Major or area source..  Work practices         NA...................  NA.
                                                                                      (63.1346(g)).
7. Existing clinker cooler.........  Normal operation......  Major or area source..  PM 0.07..............  lb/ton clinker.......  NA.
8. Existing clinker cooler.........  Startup and shutdown..  Major or area source..  Work practices         NA...................  NA.
                                                                                      (63.1348(b)(9)).
9. New clinker cooler..............  Normal operation......  Major or area source..  PM 0.02..............  lb/ton clinker.......  NA.
10. New clinker cooler.............  Startup and shutdown..  Major or area source..  Work practices         NA...................  NA.
                                                                                      (63.1348(b)(9)).
11. Existing or new raw material     Normal operation......  Major or area source..  THC 3 4 24...........  ppmvd................  NA.
 dryer.
12. Existing or new raw material     Startup and shutdown..  Major or area source..  Work practices         NA...................  NA.
 dryer.                                                                               (63.1348(b)(9)).
13. Existing or new raw or finish    All operating modes...  Major source..........  Opacity 10...........  percent..............  NA.
 mill.
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ The initial and subsequent PM performance tests are performed using Method 5 or 5I and consist of three test runs.
\2\ If the average temperature at the inlet to the first PM control device (fabric filter or electrostatic precipitator) during the D/F performance test
  is 400 [deg]F or less, this limit is changed to 0.40 ng/dscm (TEQ).
\3\ Measured as propane.
\4\ Any source subject to the 24 ppmvd THC limit may elect to meet an alternative limit of 12 ppmvd for total organic HAP.

    (2) When there is an alkali bypass and/or an inline coal mill with 
a separate stack associated with a kiln, the combined PM emissions from 
the kiln and the alkali bypass stack and/or the inline coal mill stack 
are subject to the PM emissions limit. Existing kilns that combine the 
clinker cooler exhaust and/or alkali bypass and/or coal mill exhaust 
with the kiln exhaust and send the combined exhaust to the PM control 
device as a single stream may meet an alternative PM emissions limit. 
This limit is calculated using Equation 1 of this section:

[[Page 44780]]

[GRAPHIC] [TIFF OMITTED] TR27JY15.011

Where:

PMalt = Alternative PM emission limit for commingled 
sources.
0.006 = The PM exhaust concentration (gr/dscf) equivalent to 0.070 
lb per ton clinker where clinker cooler and kiln exhaust gas are not 
combined.
1.65 = The conversion factor of ton feed per ton clinker.
Qk = The exhaust flow of the kiln (dscf/ton feed).
Qc = The exhaust flow of the clinker cooler (dscf/ton 
feed).
Qab = The exhaust flow of the alkali bypass (dscf/ton 
feed).
Qcm = The exhaust flow of the coal mill (dscf/ton feed).
7000 = The conversion factor for grains (gr) per lb.

    For new kilns that combine kiln exhaust, clinker cooler gas and/or 
coal mill and alkali bypass exhaust, the limit is calculated using 
Equation 2 of this section:
[GRAPHIC] [TIFF OMITTED] TR27JY15.012

Where:

PMalt = Alternative PM emission limit for commingled 
sources.
0.002 = The PM exhaust concentration (gr/dscf) equivalent to 0.020 
lb per ton clinker where clinker cooler and kiln exhaust gas are not 
combined.
1.65 = The conversion factor of ton feed per ton clinker.
Qk = The exhaust flow of the kiln (dscf/ton feed).
Qc = The exhaust flow of the clinker cooler (dscf/ton 
feed).
Qab = The exhaust flow of the alkali bypass (dscf/ton 
feed).
Qcm = The exhaust flow of the coal mill (dscf/ton feed).
7000 = The conversion factor for gr per lb.

* * * * *
    (d) Emission limits in effect prior to September 9, 2010. Any 
source defined as an existing source in Sec.  63.1351, and that was 
subject to a PM, mercury, THC, D/F, or opacity emissions limit prior to 
September 9, 2010, must continue to meet the limits as shown in Table 2 
until September 9, 2015.

 Table 2--Emissions Limits in Effect Prior to September 9, 2010, For Kilns (Rows 1-4), Clinker Coolers (Row 5),
                                       and Raw Material Dryers (Rows 6-9)
----------------------------------------------------------------------------------------------------------------
                                                                                               And the units of
        If your source is                 and            And if it is       Your emissions       the emissions
                                                          located at        limits are: \1\       limit are:
----------------------------------------------------------------------------------------------------------------
1. An existing kiln.............  it commenced        A major source....  PM-0.3............  lb/ton feed
                                   construction or                        Opacity-20........   percent ng/dscm
                                   reconstruction on                      D/F-0.2 \2\.......   (TEQ) ppmvd.
                                   or prior to                            THC-50 3 4........
                                   December 2, 2005.
2. An existing kiln.............  it commenced        A major source....  PM-0.3............  lb/ton feed
                                   construction or                        Opacity-20........   percent ng/dscm
                                   reconstruction                         D/F-0.2 \2\.......   (TEQ) ppmvd ug/
                                   after December 2,                      THC-20 3 5........   dscm.
                                   2005.                                  Mercury-41 \6\....
3. An existing kiln.............  it commenced        An area source....  D/F-0.2 \2\.......  ng/dscm (TEQ)
                                   construction or                        THC-50 3 4........   ppmvd.
                                   reconstruction on
                                   or prior to
                                   December 2, 2005.
4. An existing kiln.............  it commenced        An area source....  D/F-0.2 \2\.......  ng/dscm (TEQ)
                                   construction or                        THC-..............   ppmvd ug/dscm.
                                   reconstruction                         20 3 5............
                                   after December 2,                      Mercury-41 \6\....
                                   2005.
5. An existing clinker cooler...  NA................  A major source....  PM-0.1............  lb/ton feed
                                                                          Opacity-10........   percent.
6. An Existing raw material       it commenced        A major source....  THC-50 3 4........  ppmvd Percent.
 dryer.                            construction or                        Opacity-10........
                                   reconstruction on
                                   or prior to
                                   December 2, 2005.
7. An Existing raw material       it commenced        A major source....  THC-20 3 5........  ppmvd percent.
 dryer.                            construction or                        Opacity-10........
                                   reconstruction
                                   after December 2,
                                   2005.
8. An Existing raw material       it commenced        An area source....  THC-50 3 4........  ppmvd.
 dryer.                            construction or
                                   reconstruction on
                                   or prior to
                                   December 2, 2005.
9. An Existing raw material       it commenced        An area source....  THC-20 3 5........  ppmvd.
 dryer.                            construction or
                                   reconstruction
                                   after December 2,
                                   2005.
----------------------------------------------------------------------------------------------------------------
\1\ All emission limits expressed as a concentration basis (ppmvd, ng/dscm) are corrected to seven percent
  oxygen.
\2\ If the average temperature at the inlet to the first particulate matter control device (fabric filter or
  electrostatic precipitator) during the D/F performance test is 400 [deg]F or less, this limit is changed to
  0.4 ng/dscm (TEQ).
\3\ Measured as propane.
\4\ Only applies to Greenfield kilns or raw material dryers.
\5\ As an alternative, a source may demonstrate a 98 percent reduction in THC emissions from the exit of the
  kiln or raw material dryer to discharge to the atmosphere. Inline raw mills are considered to be an integral
  part of the kiln.
\6\ As an alternative, a source may route the emissions through a packed bed or spray tower wet scrubber with a
  liquid-to-gas ratio of 30 gallons per 1000 actual cubic feet per minute or more and meet a site-specific
  emission limit based on the measured performance of the wet scrubber.

[[Page 44781]]

Sec.  63.1344  [Removed and Reserved]

0
9. Section 63.1344 is removed and reserved.
0
10. Section 63.1346 is amended by revising paragraph (g)(3)to read as 
follows:

Sec.  63.1346  Operating limits for kilns.

* * * * *
    (g) * * *
    (3) All dry sorbent and activated carbon systems that control 
hazardous air pollutants must be turned on and operating at the time 
the gas stream at the inlet to the baghouse or ESP reaches 300 degrees 
Fahrenheit (five minute average) during startup. Temperature of the gas 
stream is to be measured at the inlet of the baghouse or ESP every 
minute. Such injection systems can be turned off during shutdown. 
Particulate control and all remaining devices that control hazardous 
air pollutants should be operational during startup and shutdown.
* * * * *

0
11. Section 63.1347 is amended by revising paragraph (a)(1) to read as 
follows:

Sec.  63.1347  Operation and maintenance plan requirements.

    (a) * * *
    (1) Procedures for proper operation and maintenance of the affected 
source and air pollution control devices in order to meet the emissions 
limits and operating limits, including fugitive dust control measures 
for open clinker piles of Sec. Sec.  63.1343, 63.1345, and 63.1346. 
Your operations and maintenance plan must address periods of startup 
and shutdown.
* * * * *

0
12. Section 63.1348 is amended by revising paragraphs (a)(4)(iv) and 
(v), (b)(1)(iii), and (b)(9) to read as follows:

Sec.  63.1348  Compliance requirements.

    (a) * * *
    (4) * * *
    (iv) The time weighted average total organic HAP concentration 
measured during the separate initial performance test specified by 
Sec.  63.1349(b)(7) must be used to determine initial compliance.
    (v) The time weighted average THC concentration measured during the 
initial performance test specified by Sec.  63.1349(b)(4) must be used 
to determine the site-specific THC limit. Using the fraction of time 
the inline kiln/raw mill is on and the fraction of time that the inline 
kiln/raw mill is off, calculate this limit as a time weighted average 
of the THC levels measured during raw mill on and raw mill off testing 
using one of the two approaches in Sec.  63.1349(b)(7)(vii) or (viii) 
depending on the level of organic HAP measured during the compliance 
test.
* * * * *
    (b) * * *
    (1) * * *
    (iii) You may not use data recorded during monitoring system 
startup, shutdown or malfunctions or repairs associated with monitoring 
system malfunctions in calculations used to report emissions or 
operating levels. A monitoring system malfunction is any sudden, 
infrequent, not reasonably preventable failure of the monitoring system 
to provide valid data. Monitoring system failures that are caused in 
part by poor maintenance or careless operation are not malfunctions. 
You must use all the data collected during all other periods in 
assessing the operation of the control device and associated control 
system.
* * * * *
    (9) Startup and Shutdown Compliance. All dry sorbent and activated 
carbon systems that control hazardous air pollutants must be turned on 
and operating at the time the gas stream at the inlet to the baghouse 
or ESP reaches 300 degrees Fahrenheit (five minute average) during 
startup. Temperature of the gas stream is to be measured at the inlet 
of the baghouse or ESP every minute. Such injection systems can be 
turned off during shutdown. Particulate control and all remaining 
devices that control hazardous air pollutants should be operational 
during startup and shutdown.
* * * * *

0
13. Section 63.1349 is amended by revising paragraphs (b), (c), and 
(d)(1)(ii) to read as follows:

Sec.  63.1349  Performance testing requirements.

* * * * *
    (b)(1) PM emissions tests. The owner or operator of a kiln and 
clinker cooler subject to limitations on PM emissions shall demonstrate 
initial compliance by conducting a performance test using Method 5 or 
Method 5I at appendix A-3 to part 60 of this chapter. You must also 
monitor continuous performance through use of a PM continuous 
parametric monitoring system (PM CPMS).
    (i) For your PM CPMS, you will establish a site-specific operating 
limit. If your PM performance test demonstrates your PM emission levels 
to be below 75 percent of your emission limit you will use the average 
PM CPMS value recorded during the PM compliance test, the milliamp or 
digital equivalent of zero output from your PM CPMS, and the average PM 
result of your compliance test to establish your operating limit. If 
your PM compliance test demonstrates your PM emission levels to be at 
or above 75 percent of your emission limit you will use the average PM 
CPMS value recorded during the PM compliance test to establish your 
operating limit. You will use the PM CPMS to demonstrate continuous 
compliance with your operating limit. You must repeat the performance 
test annually and reassess and adjust the site-specific operating limit 
in accordance with the results of the performance test.
    (A) Your PM CPMS must provide a 4-20 milliamp or digital signal 
output and the establishment of its relationship to manual reference 
method measurements must be determined in units of milliamps or the 
monitors digital equivalent.
    (B) Your PM CPMS operating range must be capable of reading PM 
concentrations from zero to a level equivalent to three times your 
allowable emission limit. If your PM CPMS is an auto-ranging instrument 
capable of multiple scales, the primary range of the instrument must be 
capable of reading PM concentration from zero to a level equivalent to 
three times your allowable emission limit.
    (C) During the initial performance test or any such subsequent 
performance test that demonstrates compliance with the PM limit, record 
and average all milliamp or digital output values from the PM CPMS for 
the periods corresponding to the compliance test runs (e.g., average 
all your PM CPMS output values for three corresponding Method 5I test 
runs).
    (ii) Determine your operating limit as specified in paragraphs 
(b)(1)(iii) through (iv) of this section. If your PM performance test 
demonstrates your PM emission levels to be below 75 percent of your 
emission limit you will use the average PM CPMS value recorded during 
the PM compliance test, the milliamp or digital equivalent of zero 
output from your PM CPMS, and the average PM result of your compliance 
test to establish your operating limit. If your PM compliance test 
demonstrates your PM emission levels to be at or above 75 percent of 
your emission limit you will use the average PM CPMS value recorded 
during the PM compliance test to establish your operating limit. You 
must verify an existing or establish a new operating limit after each 
repeated performance test. You must repeat the performance test at 
least annually and reassess and adjust the site-specific operating 
limit in

[[Page 44782]]

accordance with the results of the performance test.
    (iii) If the average of your three Method 5 or 5I compliance test 
runs is below 75 percent of your PM emission limit, you must calculate 
an operating limit by establishing a relationship of PM CPMS signal to 
PM concentration using the PM CPMS instrument zero, the average PM CPMS 
values corresponding to the three compliance test runs, and the average 
PM concentration from the Method 5 or 5I compliance test with the 
procedures in (b)(1)(iii)(A) through (D) of this section.
    (A) Determine your PM CPMS instrument zero output with one of the 
following procedures:
    (1) Zero point data for in-situ instruments should be obtained by 
removing the instrument from the stack and monitoring ambient air on a 
test bench.
    (2) Zero point data for extractive instruments should be obtained 
by removing the extractive probe from the stack and drawing in clean 
ambient air.
    (3) The zero point may also be established by performing manual 
reference method measurements when the flue gas is free of PM emissions 
or contains very low PM concentrations (e.g., when your process is not 
operating, but the fans are operating or your source is combusting only 
natural gas) and plotting these with the compliance data to find the 
zero intercept.
    (4) If none of the steps in paragraphs (b)(1)(iii)(A)(1) through 
(3) of this section are possible, you must use a zero output value 
provided by the manufacturer.
    (B) Determine your PM CPMS instrument average in milliamps or 
digital equivalent, and the average of your corresponding three PM 
compliance test runs, using equation 3.
[GRAPHIC] [TIFF OMITTED] TR27JY15.013

Where:

X1 = The PM CPMS data points for the three runs 
constituting the performance test.
Y1 = The PM concentration value for the three runs 
constituting the performance test.
n = The number of data points.

    (C) With your instrument zero expressed in milliamps or a digital 
value, your three run average PM CPMS milliamp or digital signal value, 
and your three run PM compliance test average, determine a relationship 
of lb/ton-clinker per milliamp or digital signal value with Equation 4.
[GRAPHIC] [TIFF OMITTED] TR27JY15.014

Where:

R = The relative lb/ton-clinker per milliamp or digital equivalent 
for your PM CPMS.
Y1 = The three run average lb/ton-clinker PM 
concentration.
X1 = The three run average milliamp or digital equivalent 
output from your PM CPMS.
z = The milliamp or digital equivalent of your instrument zero 
determined from (b)(1)(iii)(A).

* * * * *
    (D) Determine your source specific 30-day rolling average operating 
limit using the lb/ton-clinker per milliamp or digital signal value 
from Equation 4 in Equation 5, below. This sets your operating limit at 
the PM CPMS output value corresponding to 75 percent of your emission 
limit.
[GRAPHIC] [TIFF OMITTED] TR27JY15.015

Where:

* * * * *
Ol = The operating limit for your PM CPMS on a 30-day 
rolling average, in milliamps or the digital equivalent.
L = Your source emission limit expressed in lb/ton clinker.
z = Your instrument zero in milliamps, or digital equivalent, 
determined from (b)(1)(iii)(A).
R = The relative lb/ton-clinker per milliamp, or digital equivalent, 
for your PM CPMS, from Equation 4.

* * * * *
    (iv) If the average of your three PM compliance test runs is at or 
above 75 percent of your PM emission limit you must determine your 
operating limit by averaging the PM CPMS milliamp or digital equivalent 
output corresponding to your three PM performance test runs that 
demonstrate compliance with the emission limit using Equation 6.
[GRAPHIC] [TIFF OMITTED] TR27JY15.016

Where:

* * * * *
X1 = The PM CPMS data points for all runs i.
n = The number of data points.
Oh = Your site specific operating limit, in milliamps or 
the digital equivalent.

* * * * *

[[Page 44783]]

    (v) To determine continuous operating compliance, you must record 
the PM CPMS output data for all periods when the process is operating, 
and use all the PM CPMS data for calculations when the source is not 
out-of-control. You must demonstrate continuous compliance by using all 
quality-assured hourly average data collected by the PM CPMS for all 
operating hours to calculate the arithmetic average operating parameter 
in units of the operating limit (milliamps or the digital equivalent) 
on a 30 operating day rolling average basis, updated at the end of each 
new kiln operating day. Use Equation 7 to determine the 30 kiln 
operating day average.
[GRAPHIC] [TIFF OMITTED] TR27JY15.017

Where:

Hpvi = The hourly parameter value for hour i.
n = The number of valid hourly parameter values collected over 30 
kiln operating days.

* * * * *
    (vi) For each performance test, conduct at least three separate 
test runs each while the mill is on and the mill is off, under the 
conditions that exist when the affected source is operating at the 
level reasonably expected to occur. Conduct each test run to collect a 
minimum sample volume of 2 dscm for determining compliance with a new 
source limit and 1 dscm for determining compliance with an existing 
source limit. Calculate the time weighted average of the results from 
three consecutive runs, including applicable sources as required by 
(b)(1)(viii), to determine compliance. You need not determine the 
particulate matter collected in the impingers (``back half'') of the 
Method 5 or Method 5I particulate sampling train to demonstrate 
compliance with the PM standards of this subpart. This shall not 
preclude the permitting authority from requiring a determination of the 
``back half'' for other purposes.
    (vii) For PM performance test reports used to set a PM CPMS 
operating limit, the electronic submission of the test report must also 
include the make and model of the PM CPMS instrument, serial number of 
the instrument, analytical principle of the instrument (e.g. beta 
attenuation), span of the instruments primary analytical range, 
milliamp value or digital equivalent to the instrument zero output, 
technique by which this zero value was determined, and the average 
milliamp or digital equivalent signals corresponding to each PM 
compliance test run.
    (viii) When there is an alkali bypass and/or an inline coal mill 
with a separate stack associated with a kiln, the main exhaust and 
alkali bypass and/or inline coal mill must be tested simultaneously and 
the combined emission rate of PM from the kiln and alkali bypass and/or 
inline coal mill must be computed for each run using Equation 8 of this 
section.
[GRAPHIC] [TIFF OMITTED] TR27JY15.018

Where:

ECm = Combined hourly emission rate of PM from the kiln 
and bypass stack and/or inline coal mill, lb/ton of kiln clinker 
production.
EK = Hourly emissions of PM emissions from the kiln, lb.
EB = Hourly PM emissions from the alkali bypass stack, 
lb.
EC = Hourly PM emissions from the inline coal mill stack, 
lb.
P = Hourly clinker production, tons.

    (ix) The owner or operator of a kiln with an in-line raw mill and 
subject to limitations on PM emissions shall demonstrate initial 
compliance by conducting separate performance tests while the raw mill 
is under normal operating conditions and while the raw mill is not 
operating, and calculate the time weighted average emissions. The 
operating limit will then be determined using 63.1349(b)(1)(i) of this 
section.
    (2) Opacity tests. If you are subject to limitations on opacity 
under this subpart, you must conduct opacity tests in accordance with 
Method 9 of appendix A-4 to part 60 of this chapter. The duration of 
the Method 9 performance test must be 3 hours (30 6-minute averages), 
except that the duration of the Method 9 performance test may be 
reduced to 1 hour if the conditions of paragraphs (b)(2)(i) and (ii) of 
this section apply. For batch processes that are not run for 3-hour 
periods or longer, compile observations totaling 3 hours when the unit 
is operating.
    (i) There are no individual readings greater than 10 percent 
opacity;
    (ii) There are no more than three readings of 10 percent for the 
first 1-hour period.
    (3) D/F Emissions Tests. If you are subject to limitations on D/F 
emissions under this subpart, you must conduct a performance test using 
Method 23 of appendix A-7 to part 60 of this chapter. If your kiln or 
in-line kiln/raw mill is equipped with an alkali bypass, you must 
conduct simultaneous performance tests of the kiln or in-line kiln/raw 
mill exhaust and the alkali bypass. You may conduct a performance test 
of the alkali bypass exhaust when the raw mill of the in-line kiln/raw 
mill is operating or not operating.
    (i) Each performance test must consist of three separate runs 
conducted under representative conditions. The duration of each run 
must be at least 3 hours, and the sample volume for each run must be at 
least 2.5 dscm (90 dscf).
    (ii) The temperature at the inlet to the kiln or in-line kiln/raw 
mill PMCD, and, where applicable, the temperature at the inlet to the 
alkali bypass PMCD must be continuously recorded during the period of 
the Method 23 test, and the continuous temperature record(s) must be 
included in the performance test report.
    (iii) Average temperatures must be calculated for each run of the 
performance test.
    (iv) The run average temperature must be calculated for each run, 
and the average of the run average temperatures must be determined and 
included in the performance test report and will determine the 
applicable temperature limit in accordance with Sec.  63.1346(b), 
footnote 2.
    (v)(A) If sorbent injection is used for D/F control, you must 
record the rate of sorbent injection to the kiln exhaust, and where 
applicable, the rate of sorbent injection to the alkali bypass exhaust, 
continuously during the period of the Method 23 test in accordance with 
the conditions in Sec.  63.1350(m)(9), and include the continuous 
injection rate record(s) in the performance test report. Determine the 
sorbent injection rate parameters in accordance with paragraph 
(b)(3)(vi) of this section.
    (B) Include the brand and type of sorbent used during the 
performance test in the performance test report.
    (C) Maintain a continuous record of either the carrier gas flow 
rate or the carrier gas pressure drop for the duration of the 
performance test. If the carrier gas flow rate is used, determine,

[[Page 44784]]

record, and maintain a record of the accuracy of the carrier gas flow 
rate monitoring system according to the procedures in appendix A to 
part 75 of this chapter. If the carrier gas pressure drop is used, 
determine, record, and maintain a record of the accuracy of the carrier 
gas pressure drop monitoring system according to the procedures in 
Sec.  63.1350(m)(6).
    (vi) Calculate the run average sorbent injection rate for each run 
and determine and include the average of the run average injection 
rates in the performance test report and determine the applicable 
injection rate limit in accordance with Sec.  63.1346(c)(1).
    (4) THC emissions test. (i) If you are subject to limitations on 
THC emissions, you must operate a CEMS in accordance with the 
requirements in Sec.  63.1350(i). For the purposes of conducting the 
accuracy and quality assurance evaluations for CEMS, the THC span value 
(as propane) is 50 ppmvd and the reference method (RM) is Method 25A of 
appendix A to part 60 of this chapter.
    (ii) Use the THC CEMS to conduct the initial compliance test for 
the first 30 kiln operating days of kiln operation after the compliance 
date of the rule. See Sec.  63.1348(a).
    (iii) If kiln gases are diverted through an alkali bypass or to a 
coal mill and exhausted through a separate stack, you must calculate a 
kiln-specific THC limit using Equation 9:
[GRAPHIC] [TIFF OMITTED] TR27JY15.019

Where:

Cks = Kiln stack concentration (ppmvd).
Qab = Alkali bypass flow rate (volume/hr).
Cab = Alkali bypass concentration (ppmvd).
Qcm = Coal mill flow rate (volume/hr).
Ccm = Coal mill concentration (ppmvd).
Qks = Kiln stack flow rate (volume/hr).

    (iv) THC must be measured either upstream of the coal mill or the 
coal mill stack.
    (v) Instead of conducting the performance test specified in 
paragraph (b)(4)of this section, you may conduct a performance test to 
determine emissions of total organic HAP by following the procedures in 
paragraph (b)(7) of this section.
    (5) Mercury Emissions Tests. If you are subject to limitations on 
mercury emissions, you must operate a mercury CEMS or a sorbent trap 
monitoring system in accordance with the requirements of Sec.  
63.1350(k). The initial compliance test must be based on the first 30 
kiln operating days in which the affected source operates using a 
mercury CEMS or a sorbent trap monitoring system after the compliance 
date of the rule. See Sec.  63.1348(a).
    (i) If you are using a mercury CEMS or a sorbent trap monitoring 
system, you must install, operate, calibrate, and maintain an 
instrument for continuously measuring and recording the exhaust gas 
flow rate to the atmosphere according to the requirements in Sec.  
63.1350(k)(5).
    (ii) Calculate the emission rate using Equation 10 of this section:
    [GRAPHIC] [TIFF OMITTED] TR27JY15.020
    

Where:

E30D = 30-day rolling emission rate of mercury, lb/MM 
tons clinker.
Ci = Concentration of mercury for operating hour i, 
[micro]g/scm.
Qi = Volumetric flow rate of effluent gas for operating 
hour i, where Ci and Qi are on the same basis 
(either wet or dry), scm/hr.
k = Conversion factor, 1 lb/454,000,000 [micro]g.
n = Number of kiln operating hours in the previous 30 kiln operating 
day period where both C and Qi qualified data are available.
P = Total runs from the previous 30 days of clinker production 
during the same time period as the mercury emissions measured, 
million tons.

    (6) HCl emissions tests. For a source subject to limitations on HCl 
emissions you must conduct performance testing by one of the following 
methods:
    (i)(A) If the source is equipped with a wet scrubber, tray tower or 
dry scrubber, you must conduct performance testing using Method 321 of 
appendix A to this part unless you have installed a CEMS that meets the 
requirements Sec.  63.1350(l)(1). For kilns with inline raw mills, 
testing should be conducted for the raw mill on and raw mill off 
conditions.
    (B) You must establish site specific parameter limits by using the 
CPMS required in Sec.  63.1350(l)(1). For a wet scrubber or tray tower, 
measure and record the pressure drop across the scrubber and/or liquid 
flow rate and pH in intervals of no more than 15 minutes during the HCl 
test. Compute and record the 24-hour average pressure drop, pH, and 
average scrubber water flow rate for each sampling run in which the 
applicable emissions limit is met. For a dry scrubber, measure and 
record the sorbent injection rate in intervals of no more than 15 
minutes during the HCl test. Compute and record the 24-hour average 
sorbent injection rate and average sorbent injection rate for each 
sampling run in which the applicable emissions limit is met.
    (ii)(A) If the source is not controlled by a wet scrubber, tray 
tower or dry sorbent injection system, you must operate a CEMS in 
accordance with the requirements of Sec.  63.1350(l)(1). See Sec.  
63.1348(a).
    (B) The initial compliance test must be based on the 30 kiln 
operating days that occur after the compliance date of this rule in 
which the affected source operates using an HCl CEMS. Hourly HCl 
concentration data must be obtained according to Sec.  63.1350(l).
    (iii) As an alternative to paragraph (b)(6)(i)(B) of this section, 
you may choose to monitor SO2 emissions using a CEMS in 
accordance with the requirements of Sec.  63.1350(l)(3). You must 
establish an SO2 operating limit equal to the average 
recorded during the HCl stack test where the HCl stack test run result 
demonstrates compliance with the emission limit. This operating limit 
will apply only for demonstrating HCl compliance.
    (iv) If kiln gases are diverted through an alkali bypass or to a 
coal mill and exhausted through a separate stack, you must calculate a 
kiln-specific HCl limit using Equation 11:
[GRAPHIC] [TIFF OMITTED] TR27JY15.021

Where:

Cks = Kiln stack concentration (ppmvd).
Qab = Alkali bypass flow rate (volume/hr).

[[Page 44785]]

Cab = Alkali bypass concentration (ppmvd).
Qcm = Coal mill flow rate (volume/hr).
Ccm = Coal mill concentration (ppmvd).
Qks = Kiln stack flow rate (volume/hr).

    (7) Total Organic HAP Emissions Tests. Instead of conducting the 
performance test specified in paragraph (b)(4) of this section, you may 
conduct a performance test to determine emissions of total organic HAP 
by following the procedures in paragraphs (b)(7)(i) through (v) of this 
section.
    (i) Use Method 320 of appendix A to this part, Method 18 of 
Appendix A of part 60, ASTM D6348-03 or a combination to determine 
emissions of total organic HAP. Each performance test must consist of 
three separate runs under the conditions that exist when the affected 
source is operating at the representative performance conditions in 
accordance with Sec.  63.7(e). Each run must be conducted for at least 
1 hour.
    (ii) At the same time that you are conducting the performance test 
for total organic HAP, you must also determine a site-specific THC 
emissions limit by operating a THC CEMS in accordance with the 
requirements of Sec.  63.1350(j). The duration of the performance test 
must be at least 3 hours and the average THC concentration (as 
calculated from the recorded output) during the 3-hour test must be 
calculated. You must establish your THC operating limit and determine 
compliance with it according to paragraphs (b)(7)(vii) and (viii) of 
this section. It is permissible to extend the testing time of the 
organic HAP performance test if you believe extended testing is 
required to adequately capture organic HAP and/or THC variability over 
time.
    (iii) If your source has an in-line kiln/raw mill you must use the 
fraction of time the raw mill is on and the fraction of time that the 
raw mill is off and calculate this limit as a weighted average of the 
THC levels measured during three raw mill on and three raw mill off 
tests.
    (iv) If your organic HAP emissions are below 75 percent of the 
organic HAP standard and you determine your operating limit with 
paragraph (b)(7)(vii) of this section your THC CEMS must be calibrated 
and operated on a measurement scale no greater than 180 ppmvw, as 
carbon, or 60 ppmvw as propane.
    (v) If your kiln has an inline coal mill and/or an alkali bypass 
with separate stacks, you are required to measure and account for oHAP 
emissions from their separate stacks. You are required to measure oHAP 
at the coal mill inlet, and you must also measure oHAP at the alkali 
bypass outlet. You must then calculate a flow weighted average oHAP 
concentration for all emission sources including the inline coal mill 
and the alkali bypass.
    (vi) Your THC CEMS measurement scale must be capable of reading THC 
concentrations from zero to a level equivalent to two times your 
highest THC emissions average determined during your performance test, 
including mill on or mill off operation. Note: This may require the use 
of a dual range instrument to meet this requirement and paragraph 
(b)(7)(iv) of this section.
    (vii) Determine your operating limit as specified in paragraphs 
(b)(7)(viii) and (ix) of this section. If your organic HAP performance 
test demonstrates your average organic HAP emission levels are below 75 
percent of your emission limit (9 ppmv) you will use the average THC 
value recorded during the organic HAP performance test, and the average 
total organic HAP result of your performance test to establish your 
operating limit. If your organic HAP compliance test results 
demonstrate that your average organic HAP emission levels are at or 
above 75 percent of your emission limit, your operating limit is 
established as the average THC value recorded during the organic HAP 
performance test. You must establish a new operating limit after each 
performance test. You must repeat the performance test no later than 30 
months following your last performance test and reassess and adjust the 
site-specific operating limit in accordance with the results of the 
performance test.
    (viii) If the average organic HAP results for your three Method 18 
and/or Method 320 performance test runs are below 75 percent of your 
organic HAP emission limit, you must calculate an operating limit by 
establishing a relationship of THC CEMS signal to the organic HAP 
concentration using the average THC CEMS value corresponding to the 
three organic HAP compliance test runs and the average organic HAP 
total concentration from the Method 18 and/or Method 320 performance 
test runs with the procedures in (b)(7)(viii)(A) and (B) of this 
section.
    (A) Determine the THC CEMS average values in ppmvw, and the average 
of your corresponding three total organic HAP compliance test runs, 
using Equation 12.
[GRAPHIC] [TIFF OMITTED] TR27JY15.022

Where:

x = The THC CEMS average values in ppmvw.
Xi = The THC CEMS data points for all three runs i.
Yi = The sum of organic HAP concentrations for test runs 
i. and
n = The number of data points.

    (B) You must use your three run average THC CEMS value and your 
three run average organic HAP concentration from your three Method 18 
and/or Method 320 compliance tests to determine the operating limit. 
Use equation 13 to determine your operating limit in units of ppmvw 
THC, as propane.
[GRAPHIC] [TIFF OMITTED] TR27JY15.023

Where:

Tl = The 30-day operating limit for your THC CEMS, ppmvw.
Y1 = The average organic HAP concentration from Eq. 12, 
ppmvd.
X1 = The average THC CEMS concentration from Eq. 12, 
ppmvw.

    (ix) If the average of your three organic HAP performance test runs 
is at or above 75 percent of your organic HAP emission limit, you must 
determine your operating limit using Equation 14 by averaging the THC 
CEMS output values corresponding to your three organic HAP performance 
test runs that demonstrate compliance with the emission limit. If your 
new THC CEMS value is below your current operating limit, you may opt 
to retain your current operating limit, but you must still submit all 
performance test and THC CEMS data according to the reporting 
requirements in paragraph (d)(1) of this section.

[[Page 44786]]

[GRAPHIC] [TIFF OMITTED] TR27JY15.024

Where:

X1 = The THC CEMS data points for all runs i.
n = The number of data points.
Th = Your site specific operating limit, in ppmvw THC.

    (x) If your kiln has an inline kiln/raw mill, you must conduct 
separate performance tests while the raw mill is operating (``mill 
on'') and while the raw mill is not operating (``mill off''). Using the 
fraction of time the raw mill is on and the fraction of time that the 
raw mill is off, calculate this limit as a weighted average of the THC 
levels measured during raw mill on and raw mill off compliance testing 
with Equation 15.
[GRAPHIC] [TIFF OMITTED] TR27JY15.025

Where:

R = Operating limit as THC, ppmvw.
y = Average THC CEMS value during mill on operations, ppmvw.
t = Percentage of operating time with mill on.
x = Average THC CEMS value during mill off operations, ppmvw.
(1-t) = Percentage of operating time with mill off.

    (xi) To determine continuous compliance with the THC operating 
limit, you must record the THC CEMS output data for all periods when 
the process is operating and the THC CEMS is not out-of-control. You 
must demonstrate continuous compliance by using all quality-assured 
hourly average data collected by the THC CEMS for all operating hours 
to calculate the arithmetic average operating parameter in units of the 
operating limit (ppmvw) on a 30 operating day rolling average basis, 
updated at the end of each new kiln operating day. Use Equation 16 to 
determine the 30 kiln operating day average.
[GRAPHIC] [TIFF OMITTED] TR27JY15.026

Where:

Hpvi = The hourly parameter value for hour i, ppmvw.
n = The number of valid hourly parameter values collected over 30 
kiln operating days.

    (xii) Use EPA Method 18 or Method 320 of appendix A to part 60 of 
this chapter to determine organic HAP emissions. For each performance 
test, conduct at least three separate runs under the conditions that 
exist when the affected source is operating at the level reasonably 
expected to occur. If your source has an in-line kiln/raw mill you must 
conduct three separate test runs with the raw mill on, and three 
separate runs under the conditions that exist when the affected source 
is operating at the level reasonably expected to occur with the mill 
off. Conduct each Method 18 test run to collect a minimum target sample 
equivalent to three times the method detection limit. Calculate the 
average of the results from three runs to determine compliance.
    (xiii) If the THC level exceeds by 10 percent or more your site-
specific THC emissions limit, you must
    (A) As soon as possible but no later than 30 days after the 
exceedance, conduct an inspection and take corrective action to return 
the THC CEMS measurements to within the established value; and
    (B) Within 90 days of the exceedance or at the time of the 30 month 
compliance test, whichever comes first, conduct another performance 
test to determine compliance with the organic HAP limit and to verify 
or re-establish your site-specific THC emissions limit.
    (8) HCl Emissions Tests with SO2 Monitoring. If you 
choose to monitor SO2 emissions using a CEMS to demonstrate 
HCl compliance, follow the procedures in (b)(8)(i) through (ix) of this 
section and in accordance with the requirements of Sec.  63.1350(l)(3). 
You must establish an SO2 operating limit equal to the 
average recorded during the HCl stack test. This operating limit will 
apply only for demonstrating HCl compliance.
    (i) Use Method 321 of appendix A to this part to determine 
emissions of HCl. Each performance test must consist of three separate 
runs under the conditions that exist when the affected source is 
operating at the representative performance conditions in accordance 
with Sec.  63.7(e). Each run must be conducted for at least one hour.
    (ii) At the same time that you are conducting the performance test 
for HCl, you must also determine a site-specific SO2 
emissions limit by operating an SO2 CEMS in accordance with 
the requirements of Sec.  63.1350(l). The duration of the performance 
test must be three hours and the average SO2 concentration 
(as calculated from the average output) during the 3-hour test must be 
calculated. You must establish your SO2 operating limit and 
determine compliance with it according to paragraphs (b)(8)(vii) and 
(viii) of this section.
    (iii) If your source has an in-line kiln/raw mill you must use the 
fraction of time the raw mill is on and the fraction of time that the 
raw mill is off and calculate this limit as a weighted average of the 
SO2 levels measured during raw mill on and raw mill off 
testing.
    (iv) Your SO2 CEMS must be calibrated and operated 
according to the requirements of Sec.  60.63(f).
    (v) Your SO2 CEMS measurement scale must be capable of 
reading SO2 concentrations consistent with the requirements 
of Sec.  60.63(f), including mill on or mill off operation.
    (vi) If your kiln has an inline kiln/raw mill, you must conduct 
separate performance tests while the raw mill is operating (``mill 
on'') and while the raw mill is not operating (``mill off''). Using the 
fraction of time the raw mill is on and the fraction of time that the 
raw mill is off, calculate this limit as a weighted average of the HCl 
levels measured during raw mill on and raw mill off compliance testing 
with Equation 17.

[[Page 44787]]

[GRAPHIC] [TIFF OMITTED] TR27JY15.027

Where:

R = Operating limit as SO2, ppmvw.
y = Average SO2 CEMS value during mill on operations, 
ppmvw.
t = Percentage of operating time with mill on, expressed as a 
decimal.
x = Average SO2 CEMS value during mill off operations, 
ppmvw.
t-1 = Percentage of operating time with mill off, expressed as a 
decimal.

    (vii) If the average of your three HCl compliance test runs is 
below 75 percent of your HCl emission limit, you may as a compliance 
alternative, calculate an operating limit by establishing a 
relationship of SO2 CEMS signal to your HCl concentration 
corrected to 7 percent O2 by using the SO2 CEMS 
instrument zero, the average SO2 CEMS values corresponding 
to the three compliance test runs, and the average HCl concentration 
from the HCl compliance test with the procedures in (b)(8)(vii)(A) 
through (D) of this section.
    (A) Determine your SO2 CEMS instrument zero output with 
one of the following procedures:
    (1) Zero point data for in-situ instruments should be obtained by 
removing the instrument from the stack and monitoring ambient air on a 
test bench.
    (2) Zero point data for extractive instruments may be obtained by 
removing the extractive probe from the stack and drawing in clean 
ambient air.
    (3) The zero point may also be established by performing probe-
flood introduction of high purity nitrogen or certified zero air free 
of SO2.
    (4) If none of the steps in paragraphs (b)(8)(vii)(A)(1) through 
(3) of this section are possible, you must use a zero output value 
provided by the manufacturer.
    (B) Determine your SO2 CEMS instrument average ppm, and 
the average of your corresponding three HCl compliance test runs, using 
equation 18.
[GRAPHIC] [TIFF OMITTED] TR27JY15.028

Where:

X1 = The SO2 CEMS data points for the three 
runs constituting the performance test.
Y1 = The HCl emission concentration expressed as ppmv 
corrected to 7 percent O2 for the three runs constituting 
the performance test.
n = The number of data points.

    (C) With your instrument zero expressed in ppmv, your three run 
average SO2 CEMS expressed in ppmv, and your three run HCl 
compliance test average in ppm corrected to 7 percent O2, 
determine a relationship of ppm HCl corrected to 7 percent 
O2 per ppm SO2 with Equation 19.
[GRAPHIC] [TIFF OMITTED] TR27JY15.029

Where:

R = The relative HCl ppmv corrected to 7 percent O2 per 
ppm SO2 for your SO2 CEMS.
Y1 = The three run average HCl concentration corrected to 
7 percent O2.
X1 = The three run average ppm recorded by your 
SO2 CEMS.
z = The instrument zero output ppm value.

    (D) Determine your source specific 30-day rolling average operating 
limit using ppm HCl corrected to 7 percent O2 per ppm 
SO2 value from Equation 19 in Equation 20, below. This sets 
your operating limit at the SO2 CEMS ppm value corresponding 
to 75 percent of your emission limit.
[GRAPHIC] [TIFF OMITTED] TR27JY15.030

Where:

Ol = The operating limit for your SO2 CEMS on 
a 30-day rolling average, in ppmv.
L = Your source HCl emission limit expressed in ppmv corrected to 7 
percent O2.
z = Your instrument zero in ppmv, determined from (1)(i).
R = The relative oxygen corrected ppmv HCl per ppmv SO2, 
for your SO2 CEMS, from Equation 19.

    (viii) To determine continuous compliance with the SO2 
operating limit, you must record the SO2 CEMS output data 
for all periods when the process is operating and the SO2 
CEMS is not out-of-control. You must demonstrate continuous compliance 
by using all quality-assured hourly average data collected by the 
SO2 CEMS for all operating hours to calculate the arithmetic 
average operating parameter in units of the operating limit (ppmvw) on 
a 30 operating day rolling average basis, updated at the end of each 
new kiln operating day. Use Equation 21 to determine the 30 kiln 
operating day average.
[GRAPHIC] [TIFF OMITTED] TR27JY15.031

[[Page 44788]]

Where:

Hpvi = The hourly parameter value for hour i, ppmvw.
n = The number of valid hourly parameter values collected over 30 
kiln operating days.

    (ix) Use EPA Method 321 of appendix A to part 60 of this chapter to 
determine HCl emissions. For each performance test, conduct at least 
three separate runs under the conditions that exist when the affected 
source is operating at the level reasonably expected to occur. If your 
source has an in-line kiln/raw mill you must conduct three separate 
test runs with the raw mill on, and three separate runs under the 
conditions that exist when the affected source is operating at the 
level reasonably expected to occur with the mill off.
    (x) If the SO2 level exceeds by 10 percent or more your 
site-specific SO2 emissions limit, you must:
    (A) As soon as possible but no later than 30 days after the 
exceedance, conduct an inspection and take corrective action to return 
the SO2 CEMS measurements to within the established value;
    (B) Within 90 days of the exceedance or at the time of the periodic 
compliance test, whichever comes first, conduct another performance 
test to determine compliance with the HCl limit and to verify or re-
establish your site-specific SO2 emissions limit.
    (c) Performance test frequency. Except as provided in Sec.  
63.1348(b), performance tests are required at regular intervals for 
affected sources that are subject to a dioxin, organic HAP or HCl 
emissions limit. Performance tests required every 30 months must be 
completed between 29 and 31 calendar months after the previous 
performance test except where that specific pollutant is monitored 
using CEMS; performance tests required every 12 months must be 
completed within 11 to 13 calendar months after the previous 
performance test.
* * * * *
    (d) * * *
    (1) * * *
    (ii) The values for the site-specific operating limits or 
parameters established pursuant to paragraphs (b)(1), (3), (6), (7), 
and (8) of this section, as applicable, and a description, including 
sample calculations, of how the operating parameters were established 
during the initial performance test.
* * * * *

0
14. Section 63.1350 is amended by:
0
a. Removing and reserving paragraph (a)(2).
0
b. Revising paragraphs (i)(1) and (2), (j), (k)(2) introductory text, 
and (k)(2)(ii).
0
c. Adding paragraph (k)(2)(iii).
0
d. Revising paragraphs (k)(5)(i) and (iv), (l), (n) introductory text, 
(n)(1) and (4), (o) introductory text, and (o)(3) introductory text.
    The revisions and additions read as follows:

Sec.  63.1350  Monitoring requirements.

* * * * *
    (i) * * *
    (1) You must install, operate, and maintain a THC continuous 
emission monitoring system in accordance with Performance Specification 
8 or Performance Specification 8A of appendix B to part 60 of this 
chapter and comply with all of the requirements for continuous 
monitoring systems found in the general provisions, subpart A of this 
part. The owner or operator must operate and maintain each CEMS 
according to the quality assurance requirements in Procedure 1 of 
appendix F in part 60 of this chapter. For THC continuous emission 
monitoring systems certified under Performance Specification 8A, 
conduct the relative accuracy test audits required under Procedure 1 in 
accordance with Performance Specification 8, Sections 8 and 11 using 
Method 25A in appendix A to 40 CFR part 60 as the reference method; the 
relative accuracy must meet the criteria of Performance Specification 
8, Section 13.2.
    (2) Performance tests on alkali bypass and coal mill stacks must be 
conducted using Method 25A in appendix A to 40 CFR part 60 and repeated 
every 30 months.
    (j) Total organic HAP monitoring requirements. If you are complying 
with the total organic HAP emissions limits, you must continuously 
monitor THC according to paragraph (i)(1) and (2) of this section or in 
accordance with Performance Specification 8 or Performance 
Specification 8A of appendix B to part 60 of this chapter and comply 
with all of the requirements for continuous monitoring systems found in 
the general provisions, subpart A of this part. You must operate and 
maintain each CEMS according to the quality assurance requirements in 
Procedure 1 of appendix F in part 60 of this chapter. In addition, your 
must follow the monitoring requirements in paragraphs (m)(1) through 
(4) of this section. You must also develop an emissions monitoring plan 
in accordance with paragraphs (p)(1) through (4) of this section.
    (k) * * *
    (2) In order to quality assure data measured above the span value, 
you must use one of the three options in paragraphs (k)(2)(i) through 
(iii) of this section. Where the options in paragraphs (k)(2)(i) 
through (iii) are employed while the kiln is operating in a mill-off 
mode, the ``above span'' described in paragraph (k)(2)(iii) may 
substitute for the daily upscale calibration provided the data 
normalization process in paragraph (k)(2)(iii) are not required. If 
data normalization is required, the normal daily upscale calibration 
check must be performed to quality assure the operation of the CEMS for 
that day. In this particular case, adjustments to CEMS normally 
required by Procedure 5 when a daily upscale does not meet the 5 
percent criterion are not required, unless paragraph (k)(2)(iii) of 
this section data normalization is necessary and a subsequent normal 
daily calibration check demonstrates the need for such adjustment.
* * * * *
    (ii) Quality assure any data above the span value by proving 
instrument linearity beyond the span value established in paragraph 
(k)(1) of this section using the following procedure. Conduct a weekly 
``above span linearity'' calibration challenge of the monitoring system 
using a reference gas with a certified value greater than your highest 
expected hourly concentration or greater than 75 percent of the highest 
measured hourly concentration. The ``above span'' reference gas must 
meet the requirements of PS 12A, Section 7.1 and must be introduced to 
the measurement system at the probe. Record and report the results of 
this procedure as you would for a daily calibration. The ``above span 
linearity'' challenge is successful if the value measured by the Hg 
CEMS falls within 10 percent of the certified value of the reference 
gas. If the value measured by the Hg CEMS during the above span 
linearity challenge exceeds +/-10 percent of the certified value of the 
reference gas, the monitoring system must be evaluated and repaired and 
a new ``above span linearity'' challenge met before returning the Hg 
CEMS to service, or data above span from the Hg CEMS must be subject to 
the quality assurance procedures established in paragraph (k)(2)(iii) 
of this section. In this manner values measured by the Hg CEMS during 
the above span linearity challenge exceeding +/-20 percent of the 
certified value of the reference gas must be normalized using Equation 
22.
    (iii) Quality assure any data above the span value established in 
paragraph (k)(1) of this section using the following procedure. Any 
time two consecutive one-hour average measured concentrations of Hg 
exceeds the span

[[Page 44789]]

value you must, within 24 hours before or after, introduce a higher, 
``above span'' Hg reference gas standard to the Hg CEMS. The ``above 
span'' reference gas must meet the requirements of PS 12A, Section 7.1, 
must target a concentration level between 50 and 150 percent of the 
highest expected hourly concentration measured during the period of 
measurements above span, and must be introduced at the probe. While 
this target represents a desired concentration range that is not always 
achievable in practice, it is expected that the intent to meet this 
range is demonstrated by the value of the reference gas. Expected 
values may include ``above span'' calibrations done before or after the 
above span measurement period. Record and report the results of this 
procedure as you would for a daily calibration. The ``above span'' 
calibration is successful if the value measured by the Hg CEMS is 
within 20 percent of the certified value of the reference gas. If the 
value measured by the Hg CEMS exceeds 20 percent of the certified value 
of the reference gas, then you must normalize the one-hour average 
stack gas values measured above the span during the 24-hour period 
preceding or following the ``above span'' calibration for reporting 
based on the Hg CEMS response to the reference gas as shown in equation 
22:
[GRAPHIC] [TIFF OMITTED] TR27JY15.032

Only one ``above span'' calibration is needed per 24 hour period. If 
the ``above span'' calibration is conducted during the period when 
measured emissions are above span and there is a failure to collect at 
least one valid data point in an hour due to the calibration duration, 
then you must determine the emissions average for that missed hour as 
the average of hourly averages for the hour preceding the missed hour 
and the hour following the missed hour. In an hour where an ``above 
span'' calibration is being conducted and one or more data points are 
collected, the emissions average is represented by the average of all 
valid data points collected in that hour.
* * * * *
    (5) * * *
    (i) Develop a mercury hourly mass emissions rate by conducting 
performance tests annually, within 11 to 13 calendar months after the 
previous performance test, using Method 29, or Method 30B, to measure 
the concentration of mercury in the gases exhausted from the alkali 
bypass and coal mill.
* * * * *
    (iv) If mercury emissions from the coal mill and alkali bypass are 
below the method detection limit for two consecutive annual performance 
tests, you may reduce the frequency of the performance tests of coal 
mills and alkali bypasses to once every 30 months. If the measured 
mercury concentration exceeds the method detection limit, you must 
revert to testing annually until two consecutive annual tests are below 
the method detection limit.
* * * * *
    (l) HCl Monitoring Requirements. If you are subject to an emissions 
limitation on HCl emissions in Sec.  63.1343, you must monitor HCl 
emissions continuously according to paragraph (l)(1) or (2) and 
paragraphs (m)(1) through (4) of this section or, if your kiln is 
controlled using a wet or dry scrubber or tray tower, you alternatively 
may parametrically monitor SO2 emissions continuously 
according to paragraph (l)(3) of this section. You must also develop an 
emissions monitoring plan in accordance with paragraphs (p)(1) through 
(4) of this section.
    (1) If you monitor compliance with the HCl emissions limit by 
operating an HCl CEMS, you must do so in accordance with Performance 
Specification 15 (PS 15) of appendix B to part 60 of this chapter, or, 
upon promulgation, in accordance with any other performance 
specification for HCl CEMS in appendix B to part 60 of this chapter. 
You must operate, maintain, and quality assure a HCl CEMS installed and 
certified under PS 15 according to the quality assurance requirements 
in Procedure 1 of appendix F to part 60 of this chapter except that the 
Relative Accuracy Test Audit requirements of Procedure 1 must be 
replaced with the validation requirements and criteria of sections 
11.1.1 and 12.0 of PS 15. When promulgated, if you choose to install 
and operate an HCl CEMS in accordance with PS 18 of appendix B to part 
60 of this chapter, you must operate, maintain and quality assure the 
HCl CEMS using the associated Procedure 6 of appendix F to part 60 of 
this chapter. For any performance specification that you use, you must 
use Method 321 of appendix A to part 63 of this chapter as the 
reference test method for conducting relative accuracy testing. The 
span value and calibration requirements in paragraphs (l)(1)(i) and 
(ii) of this section apply to all HCl CEMS used under this subpart.
    (i) You must use a measurement span value for any HCl CEMS of 0-10 
ppmvw unless the monitor is installed on a kiln without an inline raw 
mill. Kilns without an inline raw mill may use a higher span value 
sufficient to quantify all expected emissions concentrations. The HCl 
CEMS data recorder output range must include the full range of expected 
HCl concentration values which would include those expected during 
``mill off'' conditions. The corresponding data recorder range shall be 
documented in the site-specific monitoring plan and associated records.
    (ii) In order to quality assure data measured above the span value, 
you must use one of the three options in paragraphs (l)(1)(ii)(A) 
through (C) of this section.
    (A) Include a second span that encompasses the HCl emission 
concentrations expected to be encountered during ``mill off'' 
conditions. This second span may be rounded to a multiple of 5 ppm of 
total HCl. The requirements of the appropriate HCl monitor performance 
specification shall be followed for this second span with the exception 
that a RATA with the mill off is not required.
    (B) Quality assure any data above the span value by proving 
instrument linearity beyond the span value established in paragraph 
(l)(1)(i) of this section using the following procedure. Conduct a 
weekly ``above span linearity'' calibration challenge of the monitoring 
system using a reference gas with a certified value greater than your 
highest expected hourly concentration or greater than 75 percent of the 
highest measured hourly concentration. The ``above span'' reference gas 
must meet the requirements of the applicable performance specification 
and must be introduced to the measurement system at the probe. Record 
and report the results of this procedure as you would for a daily 
calibration. The ``above span

[[Page 44790]]

linearity'' challenge is successful if the value measured by the HCl 
CEMS falls within 10 percent of the certified value of the reference 
gas. If the value measured by the HCl CEMS during the above span 
linearity challenge exceeds 10 percent of the certified value of the 
reference gas, the monitoring system must be evaluated and repaired and 
a new ``above span linearity'' challenge met before returning the HCl 
CEMS to service, or data above span from the HCl CEMS must be subject 
to the quality assurance procedures established in paragraph 
(l)(1)(ii)(D) of this section. Any HCl CEMS above span linearity 
challenge exceeding +/-20 percent of the certified value of the 
reference gas requires that all above span data must be normalized 
using Equation 23.
    (C) Quality assure any data above the span value established in 
paragraph (l)(1)(i) of this section using the following procedure. Any 
time two consecutive one-hour average measured concentration of HCl 
exceeds the span value you must, within 24 hours before or after, 
introduce a higher, ``above span'' HCl reference gas standard to the 
HCl CEMS. The ``above span'' reference gas must meet the requirements 
of the applicable performance specification and target a concentration 
level between 50 and 150 percent of the highest expected hourly 
concentration measured during the period of measurements above span, 
and must be introduced at the probe. While this target represents a 
desired concentration range that is not always achievable in practice, 
it is expected that the intent to meet this range is demonstrated by 
the value of the reference gas. Expected values may include above span 
calibrations done before or after the above-span measurement period. 
Record and report the results of this procedure as you would for a 
daily calibration. The ``above span'' calibration is successful if the 
value measured by the HCl CEMS is within 20 percent of the certified 
value of the reference gas. If the value measured by the HCl CEMS is 
not within 20 percent of the certified value of the reference gas, then 
you must normalize the stack gas values measured above span as 
described in paragraph (l)(1)(ii)(D) of this section. If the ``above 
span'' calibration is conducted during the period when measured 
emissions are above span and there is a failure to collect at least one 
valid data point in an hour due to the calibration duration, then you 
must determine the emissions average for that missed hour as the 
average of hourly averages for the hour preceding the missed hour and 
the hour following the missed hour. In an hour where an ``above span'' 
calibration is being conducted and one or more data points are 
collected, the emissions average is represented by the average of all 
valid data points collected in that hour.
    (D) In the event that the ``above span'' calibration is not 
successful (i.e., the HCl CEMS measured value is not within 20 percent 
of the certified value of the reference gas), then you must normalize 
the one-hour average stack gas values measured above the span during 
the 24-hour period preceding or following the `above span' calibration 
for reporting based on the HCl CEMS response to the reference gas as 
shown in Equation 23:
[GRAPHIC] [TIFF OMITTED] TR27JY15.033

Only one ``above span'' calibration is needed per 24-hour period.
    (2) Install, operate, and maintain a CMS to monitor wet scrubber or 
tray tower parameters, as specified in paragraphs (m)(5) and (7) of 
this section, and dry scrubber, as specified in paragraph (m)(9) of 
this section.
    (3) If the source is equipped with a wet or dry scrubber or tray 
tower, and you choose to monitor SO2 emissions, monitor 
SO2 emissions continuously according to the requirements of 
Sec.  60.63(e) and (f) of part 60 subpart F of this chapter. If 
SO2 levels increase above the 30-day rolling average 
SO2 operating limit established during your performance 
test, you must:
    (i) As soon as possible but no later than 48 hours after you exceed 
the established SO2 value conduct an inspection and take 
corrective action to return the SO2 emissions to within the 
operating limit; and
    (ii) Within 60 days of the exceedance or at the time of the next 
compliance test, whichever comes first, conduct an HCl emissions 
compliance test to determine compliance with the HCl emissions limit 
and to verify or re-establish the SO2 CEMS operating limit.
* * * * *
    (n) Continuous Flow Rate Monitoring System. You must install, 
operate, calibrate, and maintain instruments, according to the 
requirements in paragraphs (n)(1) through (10) of this section, for 
continuously measuring and recording the stack gas flow rate to allow 
determination of the pollutant mass emissions rate to the atmosphere 
from sources subject to an emissions limitation that has a pounds per 
ton of clinker unit and that is required to be monitored by a CEMS.
    (1) You must install each sensor of the flow rate monitoring system 
in a location that provides representative measurement of the exhaust 
gas flow rate at the sampling location of the mercury CEMS, taking into 
account the manufacturer's recommendations. The flow rate sensor is 
that portion of the system that senses the volumetric flow rate and 
generates an output proportional to that flow rate.
* * * * *
    (4) The flow rate monitoring system must be equipped with a data 
acquisition and recording system that is capable of recording values 
over the entire range specified in paragraph (n)(2) of this section.
* * * * *
    (o) Alternate monitoring requirements approval. You may submit an 
application to the Administrator for approval of alternate monitoring 
requirements to demonstrate compliance with the emission standards of 
this subpart subject to the provisions of paragraphs (o)(1) through (6) 
of this section.
* * * * *
    (3) You must submit the application for approval of alternate 
monitoring requirements no later than the notification of performance 
test. The application must contain the information specified in 
paragraphs (o)(3)(i) through (iii) of this section:
* * * * *

0
15. 63.1354 is amended by revising paragraphs (b)(9) introductory text 
through (b)(9)(vi) and adding paragraphs (b)(9)(viii) through (x) to 
read as follows:

Sec.  63.1354  Reporting requirements.

* * * * *
    (b) * * *

[[Page 44791]]

    (9) The owner or operator shall submit a summary report 
semiannually to the EPA via the Compliance and Emissions Data Reporting 
Interface (CEDRI). (CEDRI can be accessed through the EPA's Central 
Data Exchange (CDX) (www.epa.gov/cdx).) You must use the appropriate 
electronic report in CEDRI for this subpart. Instead of using the 
electronic report in CEDRI for this subpart, you may submit an 
alternate electronic file consistent with the extensible markup 
language (XML) schema listed on the CEDRI Web site (http://www.epa.gov/ttn/chief/cedri/index.html), once the XML schema is available. If the 
reporting form specific to this subpart is not available in CEDRI at 
the time that the report is due, you must submit the report the 
Administrator at the appropriate address listed in Sec.  63.13. You 
must begin submitting reports via CEDRI no later than 90 days after the 
form becomes available in CEDRI. The reports must be submitted by the 
deadline specified in this subpart, regardless of the method in which 
the reports are submitted. The report must contain the information 
specified in Sec.  63.10(e)(3)(vi). In addition, the summary report 
shall include:
    (i) All exceedances of maximum control device inlet gas temperature 
limits specified in Sec.  63.1346(a) and (b);
    (ii) Notification of any failure to calibrate thermocouples and 
other temperature sensors as required under Sec.  63.1350(g)(1)(iii) of 
this subpart; and
    (iii) Notification of any failure to maintain the activated carbon 
injection rate, and the activated carbon injection carrier gas flow 
rate or pressure drop, as applicable, as required under Sec.  
63.1346(c)(2).
    (iv) Notification of failure to conduct any combustion system 
component inspections conducted within the reporting period as required 
under Sec.  63.1347(a)(3).
    (v) Any and all failures to comply with any provision of the 
operation and maintenance plan developed in accordance with Sec.  
63.1347(a).
    (vi) For each PM CPMS, HCl, Hg, and THC CEMS, D/F temperature 
monitoring system, or Hg sorbent trap monitoring system, within 60 days 
after the reporting periods, you must report all of the calculated 30-
operating day rolling average values derived from the CPMS, CEMS, CMS, 
or Hg sorbent trap monitoring systems.
* * * * *
    (viii) Within 60 days after the date of completing each CEMS 
performance evaluation test as defined in Sec.  63.2, you must submit 
relative accuracy test audit (RATA) data to the EPA's CDX by using 
CEDRI in accordance with paragraph (b)(9) of this section. Only RATA 
pollutants that can be documented with the ERT (as listed on the ERT 
Web site) are subject to this requirement. For any performance 
evaluations with no corresponding RATA pollutants listed on the ERT Web 
site, you must submit the results of the performance evaluation to the 
Administrator at the appropriate address listed in Sec.  63.13.
    (ix) For PM performance test reports used to set a PM CPMS 
operating limit, the electronic submission of the test report must also 
include the make and model of the PM CPMS instrument, serial number of 
the instrument, analytical principle of the instrument (e.g. beta 
attenuation), span of the instruments primary analytical range, 
milliamp value equivalent to the instrument zero output, technique by 
which this zero value was determined, and the average milliamp signals 
corresponding to each PM compliance test run.
    (x) All reports required by this subpart not subject to the 
requirements in paragraphs (b)(9) introductory text and (b)(9)(viii) of 
this section must be sent to the Administrator at the appropriate 
address listed in Sec.  63.13. The Administrator or the delegated 
authority may request a report in any form suitable for the specific 
case (e.g., by commonly used electronic media such as Excel 
spreadsheet, on CD or hard copy). The Administrator retains the right 
to require submittal of reports subject to paragraph (b)(9) 
introductory text and (b)(9)(viii) of this section in paper format.
* * * * *

Sec.  63.1355  [Amended]

0
16. Amend Sec.  63.1355 by removing and reserving paragraph (d).
0
17. Revise Sec.  63.1356 to read as follows:

Sec.  63.1356  Sources with multiple emissions limit or monitoring 
requirements.

    If you have an affected source subject to this subpart with a 
different emissions limit or requirement for the same pollutant under 
another regulation in title 40 of this chapter, once you are in 
compliance with the most stringent emissions limit or requirement, you 
are not subject to the less stringent requirement. Until you are in 
compliance with the more stringent limit, the less stringent limit 
continues to apply.

Sec.  63.1357  [Removed and Reserved]

0
18. Remove and reserve Sec.  63.1357.
0
19. Revise Table 1 to Subpart LLL of Part 63 to read as follows:

                     Table 1 to Subpart LLL of Part 63--Applicability of General Provisions
----------------------------------------------------------------------------------------------------------------
                                                                 Applies to subpart
             Citation                      Requirement                   LLL                  Explanation
----------------------------------------------------------------------------------------------------------------
63.1(a)(1)-(4)...................  Applicability..............  Yes.................
63.1(a)(5).......................  ...........................  No..................  [Reserved].
63.1(a)(6)-(8)...................  Applicability..............  Yes.................
63.1(a)(9).......................  ...........................  No..................  [Reserved].
63.1(a)(10)-(14).................  Applicability..............  Yes.................
63.1(b)(1).......................  Initial Applicability        No..................  Sec.   63.1340 specifies
                                    Determination.                                     applicability.
63.1(b)(2)-(3)...................  Initial Applicability        Yes.................
                                    Determination.
63.1(c)(1).......................  Applicability After          Yes.................
                                    Standard Established.
63.1(c)(2).......................  Permit Requirements........  Yes.................  Area sources must obtain
                                                                                       Title V permits.
63.1(c)(3).......................  ...........................  No..................  [Reserved].
63.1(c)(4)-(5)...................  Extensions, Notifications..  Yes.................
63.1(d)..........................  ...........................  No..................  [Reserved].
63.1(e)..........................  Applicability of Permit      Yes.................
                                    Program.
63.2.............................  Definitions................  Yes.................  Additional definitions in
                                                                                       Sec.   63.1341.
63.3(a)-(c)......................  Units and Abbreviations....  Yes.................
63.4(a)(1)-(3)...................  Prohibited Activities......  Yes.................
63.4(a)(4).......................  ...........................  No..................  [Reserved].
63.4(a)(5).......................  Compliance date............  Yes.................

[[Page 44792]]

 
63.4(b)-(c)......................  Circumvention, Severability  Yes.................
63.5(a)(1)-(2)...................  Construction/Reconstruction  Yes.................
63.5(b)(1).......................  Compliance Dates...........  Yes.................
63.5(b)(2).......................  ...........................  No..................  [Reserved].
63.5(b)(3)-(6)...................  Construction Approval,       Yes.................
                                    Applicability.
63.5(c)..........................  ...........................  No..................  [Reserved].
63.5(d)(1)-(4)...................  Approval of Construction/    Yes.................
                                    Reconstruction.
63.5(e)..........................  Approval of Construction/    Yes.................
                                    Reconstruction.
63.5(f)(1)-(2)...................  Approval of Construction/    Yes.................
                                    Reconstruction.
63.6(a)..........................  Compliance for Standards     Yes.................
                                    and Maintenance.
63.6(b)(1)-(5)...................  Compliance Dates...........  Yes.................
63.6(b)(6).......................  ...........................  No..................  [Reserved].
63.6(b)(7).......................  Compliance Dates...........  Yes.................
63.6(c)(1)-(2)...................  Compliance Dates...........  Yes.................
63.6(c)(3)-(4)...................  ...........................  No..................  [Reserved].
63.6(c)(5).......................  Compliance Dates...........  Yes.................
63.6(d)..........................  ...........................  No..................  [Reserved].
63.6(e)(1)-(2)...................  Operation & Maintenance....  No..................  See Sec.   63.1348(d) for
                                                                                       general duty requirement.
                                                                                       Any reference to Sec.
                                                                                       63.6(e)(1)(i) in other
                                                                                       General Provisions or in
                                                                                       this subpart is to be
                                                                                       treated as a cross-
                                                                                       reference to Sec.
                                                                                       63.1348(d).
63.6(e)(3).......................  Startup, Shutdown            No..................  Your operations and
                                    Malfunction Plan.                                  maintenance plan must
                                                                                       address periods of
                                                                                       startup and shutdown. See
                                                                                       Sec.   63.1347(a)(1).
63.6(f)(1).......................  Compliance with Emission     No..................  Compliance obligations
                                    Standards.                                         specified in subpart LLL.
63.6(f)(2)-(3)...................  Compliance with Emission     Yes.................
                                    Standards.
63.6(g)(1)-(3)...................  Alternative Standard.......  Yes.................
63.6(h)(1).......................  Opacity/VE Standards.......  No..................  Compliance obligations
                                                                                       specified in subpart LLL.
63.6(h)(2).......................  Opacity/VE Standards.......  Yes.................
63.6(h)(3).......................  ...........................  No..................  [Reserved].
63.6(h)(4)-(h)(5)(i).............  Opacity/VE Standards.......  Yes.................
63.6(h)(5)(ii)-(iv)..............  Opacity/VE Standards.......  No..................  Test duration specified in
                                                                                       subpart LLL.
63.6(h)(6).......................  Opacity/VE Standards.......  Yes.................
63.6(h)(7).......................  Opacity/VE Standards.......  Yes.................
63.6(i)(1)-(14)..................  Extension of Compliance....  Yes.................
63.6(i)(15)......................  ...........................  No..................  [Reserved].
63.6(i)(16)......................  Extension of Compliance....  Yes.................
63.6(j)..........................  Exemption from Compliance..  Yes.................
63.7(a)(1)-(3)...................  Performance Testing          Yes.................  Sec.   63.1349 has
                                    Requirements.                                      specific requirements.
63.7(b)..........................  Notification period........  Yes.................  Except for repeat
                                                                                       performance test caused
                                                                                       by an exceedance. See
                                                                                       Sec.   63.1353(b)(6).
63.7(c)..........................  Quality Assurance/Test Plan  Yes.................
63.7(d)..........................  Testing Facilities.........  Yes.................
63.7(e)(1).......................  Conduct of Tests...........  No..................  See Sec.   63.1349(e). Any
                                                                                       reference to 63.7(e)(1)
                                                                                       in other General
                                                                                       Provisions or in this
                                                                                       subpart is to be treated
                                                                                       as a cross-reference to
                                                                                       Sec.   63.1349(e).
63.7(e)(2)-(4)...................  Conduct of tests...........  Yes.................
63.7(f)..........................  Alternative Test Method....  Yes.................
63.7(g)..........................  Data Analysis..............  Yes.................
63.7(h)..........................  Waiver of Tests............  Yes.................
63.8(a)(1).......................  Monitoring Requirements....  Yes.................
63.8(a)(2).......................  Monitoring.................  No..................  Sec.   63.1350 includes
                                                                                       CEMS requirements.
63.8(a)(3).......................  ...........................  No..................  [Reserved].
63.8(a)(4).......................  Monitoring.................  No..................  Flares not applicable.
63.8(b)(1)-(3)...................  Conduct of Monitoring......  Yes.................
63.8(c)(1)-(8)...................  CMS Operation/Maintenance..  Yes.................  Temperature and activated
                                                                                       carbon injection
                                                                                       monitoring data reduction
                                                                                       requirements given in
                                                                                       subpart LLL.
63.8(d)..........................  Quality Control............  Yes, except for the
                                                                 reference to the
                                                                 SSM Plan in the
                                                                 last sentence.
63.8(e)..........................  Performance Evaluation for   Yes.................
                                    CMS.
63.8(f)(1)-(5)...................  Alternative Monitoring       Yes.................  Additional requirements in
                                    Method.                                            Sec.   63.1350(l).
63.8(f)(6).......................  Alternative to RATA Test...  Yes.................
63.8(g)..........................  Data Reduction.............  Yes.................

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63.9(a)..........................  Notification Requirements..  Yes.................
63.9(b)(1)-(5)...................  Initial Notifications......  Yes.................
63.9(c)..........................  Request for Compliance       Yes.................
                                    Extension.
63.9(d)..........................  New Source Notification for  Yes.................
                                    Special Compliance
                                    Requirements.
63.9(e)..........................  Notification of performance  Yes.................  Except for repeat
                                    test.                                              performance test caused
                                                                                       by an exceedance. See
                                                                                       Sec.   63.1353(b)(6).
63.9(f)..........................  Notification of VE/Opacity   Yes.................  Notification not required
                                    Test.                                              for VE/opacity test under
                                                                                       Sec.   63.1350(e) and
                                                                                       (j).
63.9(g)..........................  Additional CMS               Yes.................
                                    Notifications.
63.9(h)(1)-(3)...................  Notification of Compliance   Yes.................
                                    Status.
63.9(h)(4).......................  ...........................  No..................  [Reserved].
63.9(h)(5)-(6)...................  Notification of Compliance   Yes.................
                                    Status.
63.9(i)..........................  Adjustment of Deadlines....  Yes.................
63.9(j)..........................  Change in Previous           Yes.................
                                    Information.
63.10(a).........................  Recordkeeping/Reporting....  Yes.................
63.10(b)(1)......................  General Recordkeeping        Yes.................
                                    Requirements.
63.10(b)(2)(i)-(ii)..............  General Recordkeeping        No..................  See Sec.   63.1355(g) and
                                    Requirements.                                      (h).
63.10(b)(2)(iii).................  General Recordkeeping        Yes.................
                                    Requirements.
63.10(b)(2)(iv)-(v)..............  General Recordkeeping        No..................
                                    Requirements.
63.10(b)(2)(vi)-(ix).............  General Recordkeeping        Yes.................
                                    Requirements.
63.10(c)(1)......................  Additional CMS               Yes.................  PS-8A supersedes
                                    Recordkeeping.                                     requirements for THC
                                                                                       CEMS.
63.10(c)(1)......................  Additional CMS               Yes.................  PS-8A supersedes
                                    Recordkeeping.                                     requirements for THC
                                                                                       CEMS.
63.10(c)(2)-(4)..................  ...........................  No..................  [Reserved].
63.10(c)(5)-(8)..................  Additional CMS               Yes.................  PS-8A supersedes
                                    Recordkeeping.                                     requirements for THC
                                                                                       CEMS.
63.10(c)(9)......................  ...........................  No..................  [Reserved].
63.10(c)(10)-(15)................  Additional CMS               Yes.................  PS-8A supersedes
                                    Recordkeeping.                                     requirements for THC
                                                                                       CEMS.
63.10(d)(1)......................  General Reporting            Yes.................
                                    Requirements.
63.10(d)(2)......................  Performance Test Results...  Yes.................
63.10(d)(3)......................  Opacity or VE Observations.  Yes.................
63.10(d)(4)......................  Progress Reports...........  Yes.................
63.10(d)(5)......................  Startup, Shutdown,           No..................  See Sec.   63.1354(c) for
                                    Malfunction Reports.                               reporting requirements.
                                                                                       Any reference to Sec.
                                                                                       63.10(d)(5) in other
                                                                                       General Provisions or in
                                                                                       this subpart is to be
                                                                                       treated as a cross-
                                                                                       reference to Sec.
                                                                                       63.1354(c).
63.10(e)(1)-(2)..................  Additional CMS Reports.....  Yes.................
63.10(e)(3)......................  Excess Emissions and CMS     Yes.................  Exceedances are defined in
                                    Performance Reports.                               subpart LLL.
63.10(e)(3)(vii) and (viii)......  Excess Emissions and CMS     No..................  Superseded by
                                    Performance Reports.                               63.1354(b)(10).
63.10(f).........................  Waiver for Recordkeeping/    Yes.................
                                    Reporting.
63.11(a)-(b).....................  Control Device Requirements  No..................  Flares not applicable.
63.12(a)-(c).....................  State Authority and          Yes.................
                                    Delegations.
63.13(a)-(c).....................  State/Regional Addresses...  Yes.................
63.14(a)-(b).....................  Incorporation by Reference.  Yes.................
63.15(a)-(b).....................  Availability of Information  Yes.................
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[FR Doc. 2015-16811 Filed 7-24-15; 8:45 am]
 BILLING CODE 6560-50-P
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