Document ID: EPA-R09-OAR-2014-0861-0012
Agency: epa
Document Type: Rule
Title: Air Quality State Implementation Plans; Approvals and Promulgations: Arizona; Regional Haze Federal Implementation Plan; Reconsideration
Posted Date: 2015-04-17T04:00Z

[Federal Register Volume 80, Number 74 (Friday, April 17, 2015)]
[Rules and Regulations]
[Pages 21176-21181]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2015-08883]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R09-OAR-2014-0861; FRL-9925-81-Region 9]

Approval and Promulgation of Air Quality Implementation Plans; 
Arizona; Regional Haze Federal Implementation Plan; Reconsideration

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: The Environmental Protection Agency (EPA) is taking final 
action to revise certain provisions in the Arizona Regional Haze (RH) 
Federal Implementation Plan (FIP) that apply to the Nelson Lime Plant. 
In response to a request for reconsideration from the plant's owner, 
Lhoist North America of Arizona, Inc. (LNA), we are replacing the 
control technology demonstration requirements for emissions of nitrogen 
oxides (NOX) applicable to Kilns 1 and 2 at the Nelson Lime 
Plant with revised recordkeeping and reporting requirements. We are not 
revising any of the emission limits that apply to these units, 
including the existing NOX emission limits, which can be met 
with selective non-catalytic reduction (SNCR) control technology. We 
also are taking final action to correct a misprint of the regulatory 
requirements in a table in the Arizona RH FIP that identifies the 
emission limits for NOX and sulfur dioxide (SO2) 
at each kiln.

DATES: Effective date: This rule is effective May 18, 2015.

ADDRESSES: EPA has established docket number EPA-R09-OAR-2014-0861 for 
this action. Generally, documents in the docket are available 
electronically at http://www.regulations.gov or in hard copy at EPA 
Region 9, 75 Hawthorne Street, San Francisco, California. Please note 
that while many of the documents in the docket are listed at http://www.regulations.gov, some information may not be specifically listed in 
the index to the docket and may be publicly available only at the hard 
copy location (e.g., copyrighted material, large maps, multi-volume 
reports, or otherwise voluminous materials), and some may not be 
available at either locations (e.g., confidential business 
information). To inspect the hard copy materials, please schedule an 
appointment during normal business hours with the contact listed 
directly below.

FOR FURTHER INFORMATION CONTACT: Thomas Webb, U.S. EPA, Region 9, 
Planning Office, Air Division, Air-2, 75 Hawthorne Street, San 
Francisco, CA 94105. Thomas Webb can be reached at telephone number 
(415) 947-4139 and via electronic mail at webb.thomas@epa.gov.

SUPPLEMENTARY INFORMATION: 

[[Page 21177]]

Definitions

    For the purpose of this document, ``we,'' ``us,'' and ``our'' refer 
to EPA. We also are giving meaning to certain words or initials as 
follows:
     The words or initials Act or CAA mean or refer to the 
Clean Air Act, unless the context indicates otherwise.
     The initials ADEM mean or refer to the Alabama Department 
of Environmental Management.
     The initials ADEQ mean or refer to the Arizona Department 
of Environmental Quality.
     The words Arizona and State mean the State of Arizona.
     The initials BACT mean or refer to Best Available Control 
Technology.
     The initials BART mean or refer to Best Available Retrofit 
Technology.
     The initials CAA mean or refer to the Clean Air Act.
     The term Class I area refers to a mandatory Class I 
Federal area.\1\
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    \1\ Although states and tribes may designate as Class I 
additional areas that they consider to have visibility as an 
important value, the requirements of the visibility program set 
forth in section 169A of the CAA apply only to ``mandatory Class I 
Federal areas.''
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     The initials CBI mean or refer to Confidential Business 
Information.
     The initials CEMS mean or refer to continuous emission 
monitoring system or systems.
     The words EPA, we, us or our mean or refer to the United 
States Environmental Protection Agency.
     The initials FIP mean or refer to Federal Implementation 
Plan.
     The initials LNA mean or refer to Lhoist North America of 
Arizona, Inc.
     The initials MMBtu mean or refer to million British 
thermal units.
     The initials NOX mean or refer to nitrogen oxides.
     The initials RH mean or refer to regional haze.
     The initials RHR mean or refer to EPA's Regional Haze 
Rule.
     The initials SIP mean or refer to State Implementation 
Plan.
     The initials SNCR mean or refer to selective non-catalytic 
reduction.
     The initials SO2 mean or refer to sulfur dioxide.

Table of Contents

I. Summary of Proposed Action
II. Background on Petition for Reconsideration and Stay
III. Public Comments
IV. Final Action
V. Statutory and Executive Order Reviews

I. Summary of Proposed Action

    EPA proposed on January 13, 2015, to revise certain Best Available 
Retrofit Technology (BART) requirements in the FIP related to reducing 
NOX emissions from Kilns 1 and 2 at the Nelson Lime 
Plant.\2\ As described in the proposal, the revision consists of 
several components, including the removal of the control technology 
demonstration requirements, the addition of revised recordkeeping and 
reporting requirements, and the correction of an error in a table.\3\ 
We proposed to find that these changes are reasonable and appropriate 
based on information from LNA regarding the effectiveness of using SNCR 
to control NOX emissions at another lime plant. The proposed 
rule addressing the Nelson Lime Plant did not change the emission 
limits, compliance deadlines, or the compliance determination methods 
established in the final rule for the Arizona RH FIP.
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    \2\ 80 FR 1608. The notice of proposed rulemaking contains 
background information concerning the visibility requirements of the 
CAA, the RHR, and the Arizona RH FIP.
    \3\ Id.
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II. Background on Petition for Reconsideration and Stay

    LNA submitted a petition to EPA on October 31, 2014, seeking 
administrative reconsideration and a partial stay of the final rule 
under CAA section 307(d)(7)(B).\4\ Specifically, LNA requested that EPA 
eliminate the control technology demonstration requirements (also known 
as ``optimization requirements'') for the Nelson Lime Plant. In support 
of its petition, LNA provided additional data regarding the performance 
of SNCR control technology at lime kilns located at another LNA 
facility, the O'Neal Lime Plant in Calera, Alabama. In the petition, 
LNA also requested a stay of the provisions in the FIP applicable to 
the Nelson Lime Plant if EPA did not propose action on its petition 
prior to December 31, 2014.\5\ EPA sent a letter to LNA on November 20, 
2014, granting reconsideration of the optimization requirements 
pursuant to CAA section 307(d)(7)(B).\6\
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    \4\ Letter from Eric Hiser, Jorden Bischoff & Hiser, to Regina 
McCarthy, EPA (October 31, 2014).
    \5\ Because the proposal was signed prior to December 31, 2014, 
we consider LNA's request for a stay to be moot.
    \6\ Letter from Jared Blumenfeld, EPA, to Eric Hiser, Jorden 
Bischoff & Hiser (November 20, 2014).
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III. Public Comments

    In the proposed rule, EPA provided 45 days for the public to submit 
comments on the proposed revision to the Arizona RH FIP. During the 
public comment period, we received one set of comments from the 
Mississippi Lime Company (``Mississippi Lime'').\7\ The comments from 
Mississippi Lime focused on the requirement for LNA to install SNCR 
controls at the Nelson Lime Plant. The comments and our responses are 
summarized below.
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    \7\ Letter from Kimberly S. L. Bauman, Mississippi Lime Company, 
to Thomas Webb, EPA (February 27, 2015).
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    Comment: Mississippi Lime stated that SNCR technology has not been 
identified as Best Available Control Technology (BACT) for lime kilns 
in EPA's control technology clearinghouse or as an applied emission 
control in publicly available documents for LNA's O'Neal facility. The 
commenter further noted that there is no discussion of SNCR at the 
O'Neal facility in publicly available documents such as operating 
permits, quarterly excess emission reports, or emission inventory 
reports issued by or submitted to the Alabama Department of 
Environmental Management.
    Response: EPA does not dispute Mississippi Lime's assertion that 
publicly available information on SNCR technology for lime kilns may be 
limited. However, any such lack of information is irrelevant to this 
action. In particular, in a final rule published on September 3, 2014, 
EPA determined that SNCR is technically feasible and constitutes BART 
for Kilns 1 and 2 at Nelson Lime Plant.\8\ We have not proposed to 
reconsider or otherwise revise those determinations.
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    \8\ See 79 FR 9318, 9337-9339 for proposed BART analysis and 
determination (February 18, 2014); 79 FR 52420, 52424 for final BART 
determination (September 3, 2014).
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    Comment: Mississippi Lime contended that LNA, according to public 
documents provided to Illinois EPA, has stated that its O'Neal facility 
in Calera, Alabama, is controlling lime kiln emissions to meet emission 
limits under a permit that relies on a proprietary SNCR technology that 
was patented by its predecessor, Chemical Lime Company.
    Response: EPA does not dispute that the SNCR technology in use at 
the O'Neal facility may be proprietary. EPA relied on an analysis of 
the effectiveness of the SNCR technology to control emissions at the 
O'Neal facility to confirm that the emission limit we established for 
the Nelson Lime Plant is reasonable and appropriate. Based on the 
results of our analysis described in our proposal, we proposed and are 
now taking final action to replace a series of prescriptive control 
technology demonstration requirements with new recordkeeping and 
reporting requirements for LNA. The fact that the SNCR technology in 
use at the O'Neal

[[Page 21178]]

facility may be proprietary has no bearing on the purpose or substance 
of our analysis.
    Comment: Mississippi Lime asserted that SNCR technology on lime 
kilns is an unproven control strategy. Thus, the commenter had 
significant concerns that this technology and the corresponding FIP 
will be used inappropriately for the establishment of future BACT or 
BART determinations.
    Response: As noted above, EPA has already determined that SNCR is a 
feasible control technology for Kilns 1 and 2 at the Nelson Lime Plant 
and has set emission limits that correspond to the use of SNCR in our 
final rule on the Arizona RH FIP.\9\ Because our proposal and this 
final action address only the optimization requirements, and are not 
related to previous determinations in the FIP, this comment on our 
proposal is not relevant.
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    \9\ Id.
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    Comment: Mississippi Lime is concerned that if LNA's proposed SNCR 
system for the Nelson Lime Plant uses LNA's proprietary and patented 
technology, competitors like Mississippi Lime may also be required to 
use the patented technology in the future. The commenter alleged that 
LNA could interfere with a competitor's obligation to use SNCR by 
refusing to license its technology or by requiring exorbitant licensing 
fees. This would enable LNA to use its patent to gain a competitive 
advantage over the entire lime industry in the United States.
    Response: While not the subject of this final rule, the Arizona RH 
FIP only requires LNA to meet a specified emission limit. LNA may use 
whatever technology it wants to achieve the required limit, including 
proprietary technology. If LNA were to refuse to license its 
proprietary technology or to charge exorbitant fees at some point in 
the future, then Mississippi Lime could argue in any future regulatory 
actions that the technology is not available or is not cost-effective.

IV. Final Action

    We are taking final action to revise parts of the Arizona RH FIP 
that apply to the Nelson Lime Plant. In particular, we are removing the 
control technology demonstration requirements included in the FIP for 
Nelson Lime Plant and replacing those with less prescriptive 
recordkeeping and reporting requirements. For the revised recordkeeping 
and reporting requirements, LNA must submit a summary of the SNCR 
design and of the SNCR process improvement activities. In addition, we 
are correcting a misprint in the Federal Register in a table that lists 
NOX and SO2 emission limits for the kilns at the 
Nelson Lime Plant. The table appears with the correct labels in the 
regulatory text that follows this final rule. This rule constitutes 
EPA's final action on LNA's petition for reconsideration of the Arizona 
RH FIP.
    EPA also is making a final determination that the revisions in this 
final rule do not interfere with any applicable requirements of the 
CAA. CAA section 110(l) requires that any revision to an implementation 
plan shall not be approved by the Administrator if the revision would 
interfere with any applicable requirement concerning attainment and 
reasonable further progress or any other applicable requirement of the 
CAA. These final revisions do not alter the amount or timing of the 
emission reductions from the Nelson Lime Plant.

V. Statutory and Executive Order Reviews

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. This rule applies to only one facility and is therefore not 
a rule of general applicability.

 B. Paperwork Reduction Act (PRA)

    This action does not impose an information collection burden under 
the provisions of the Paperwork Reduction Act, 44 U.S.C. 3501 et seq. 
This rule applies to only one facility. Therefore, its recordkeeping 
and reporting provisions do not constitute a ``collection of 
information'' as defined under 44 U.S.C. 3502(3) and 5 CFR 1320.3(c).

C. Regulatory Flexibility Act (RFA)

    I certify that this proposed action will not have a significant 
economic impact on a substantial number of small entities. This action 
will not impose any requirements on small entities. Pursuant to 13 CFR 
121.201, footnote 1, a firm is small if it is in NAICS 327410 (lime 
manufacturing) and the concern and its affiliates have no more than 500 
employees. LNA is affiliated with the LNA Group, which has more than 
5,500 employees.\10\ Therefore, LNA is not a small business.

 D. Unfunded Mandates Reform Act (UMRA)

    This action does not contain an unfunded mandate of $100 million or 
more as described in UMRA, 2 U.S.C. 1531-1538, and does not 
significantly or uniquely affect small governments.

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 effects on 
any Indian tribes, 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. Thus, Executive Order 
13175 does not apply to this action.

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

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

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

    This rulemaking does not involve technical standards. EPA is not 
revising any technical standards or imposing any new technical 
standards in this action.

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

    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

[[Page 21179]]

on minority, low-income or indigenous populations. These final 
revisions do not alter the amount or timing of the emission reductions 
from the Nelson Lime Plant.

K. Congressional Review Act (CRA)

    This rule is exempt from the CRA because it is a rule of particular 
applicability.

L. Petitions for Judicial Review

    Under section 307(b)(1) of the Clean Air Act, petitions for 
judicial review of this action must be filed in the United States Court 
of Appeals for the appropriate circuit by June 16, 2015. Filing a 
petition for reconsideration by the Administrator of this final rule 
does not affect the finality of this rule for the purposes of judicial 
review nor does it extend the time within which a petition for judicial 
review may be filed, and shall not postpone the effectiveness of such 
rule or action. This action may not be challenged later in proceedings 
to enforce its requirements. See CAA section 307(b)(2). In addition, 
pursuant to CAA section 307(d)(1)(B), this action is subject to the 
requirements of CAA section 307(d).

List of Subjects in 40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Nitrogen oxides, Particulate matter, Reporting and 
recordkeeping requirements, Sulfur dioxide, Visibility.

    Dated: April 10, 2015.
Gina McCarthy,
Administrator.
    Part 52, chapter I, title 40 of the Code of Federal Regulations is 
amended as follows:

PART 52--APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS

0
1. The authority citation for part 52 continues to read as follows:

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

Subpart D--Arizona

0
2. Amend Sec.  52.145 by:
0
a. Revising paragraph (i); and
0
b. Removing Appendix B to Sec.  52.145--Lime Kiln Control Technology 
Demonstration Requirements.
    The revision reads as follows:

Sec.  52.145  Visibility protection.

* * * * *
    (i) Source-specific federal implementation plan for regional haze 
at Nelson Lime Plant-- (1) Applicability. This paragraph (i) applies to 
the owner/operator of the lime kilns designated as Kiln 1 and Kiln 2 at 
the Nelson Lime Plant located in Yavapai County, Arizona.
    (2) Definitions. Terms not defined in this paragraph (i)(2) shall 
have the meaning given them in the Clean Air Act or EPA's regulations 
implementing the Clean Air Act. For purposes of this paragraph (i):
    Ammonia injection shall include any of the following: Anhydrous 
ammonia, aqueous ammonia, or urea injection.
    Continuous emission monitoring system or CEMS means the equipment 
required by this section to sample, analyze, measure, and provide, by 
means of readings recorded at least once every 15 minutes (using an 
automated data acquisition and handling system (DAHS)), a permanent 
record of NOX emissions, SO2 emissions, diluent, 
and stack gas volumetric flow rate.
    Kiln means either of the kilns identified in paragraph (i)(1) of 
this section.
    Kiln 1 means lime kiln 1, as identified in paragraph (i)(1) of this 
section.
    Kiln 2 means lime kiln 2, as identified in paragraph (i)(1) of this 
section.
    Kiln operating day means a 24-hour period between 12 midnight and 
the following midnight during which there is operation of Kiln 1, Kiln 
2, or both kilns at any time.
    Kiln operation means any period when any raw materials are fed into 
the Kiln or any period when any combustion is occurring or fuel is 
being fired in the Kiln.
    Lime product means the product of the lime-kiln calcination 
process, including calcitic lime, dolomitic lime, and dead-burned 
dolomite.
    NOX means oxides of nitrogen.
    Owner/operator means any person who owns or who operates, controls, 
or supervises a kiln identified in paragraph (i)(1) of this section.
    SO2 means sulfur dioxide.
    (3) Emission limitations. (i) The owner/operator of the kilns 
identified in paragraph (i)(1) of this section shall not emit or cause 
to be emitted pollutants in excess of the following limitations in 
pounds of pollutant per ton of lime product (lb/ton), from any kiln. 
Each emission limit shall be based on a 12-month rolling basis.

                        Pollutant Emission Limit
------------------------------------------------------------------------
                 Kiln ID                        NOX             SO2
------------------------------------------------------------------------
Kiln 1..................................            3.80            9.32
Kiln 2..................................            2.61            9.73
------------------------------------------------------------------------

    (ii) The owner/operator of the kilns identified in paragraph (i)(1) 
of this section shall not emit or cause to be emitted pollutants in 
excess of 3.27 tons of NOX per day and 10.10 tons of 
SO2 per day, combined from both kilns, based on a rolling 
30-kiln-operating-day basis.
    (4) Compliance dates. (i) The owner/operator of each kiln shall 
comply with the NOX emission limitations and other 
NOX -related requirements of this paragraph (i) no later 
than September 4, 2017.
    (ii) The owner/operator of each kiln shall comply with the 
SO2 emission limitations and other SO2 -related 
requirements of this paragraph (i) no later than March 3, 2016.
    (5) [Reserved]
    (6) Compliance determination--(i) Continuous emission monitoring 
system. At all times after the compliance dates specified in paragraph 
(i)(4) of this section, the owner/operator of kilns 1 and 2 shall 
maintain, calibrate, and operate a CEMS, in full compliance with the 
requirements found at 40 CFR 60.13 and 40 CFR part 60, appendices B and 
F, to accurately measure diluent, stack gas volumetric flow rate, and 
concentration by volume of NOX and SO2 emissions 
into the atmosphere from kilns 1 and 2. The CEMS shall be used by the 
owner/operator to determine compliance with the emission limitations in 
paragraph (i)(3) of this section, in combination with data on actual 
lime production. The owner/operator must operate the monitoring system 
and collect data at all required intervals at all times that an 
affected kiln is operating, except for periods of monitoring system 
malfunctions, repairs associated with monitoring system malfunctions, 
and required monitoring system quality assurance or quality control 
activities (including, as applicable, calibration checks and required 
zero and span adjustments).
    (ii) Ammonia consumption monitoring. Upon and after the completion 
of installation of ammonia injection on a kiln, the owner or operator 
shall install, and thereafter maintain and operate, instrumentation to 
continuously monitor and record levels of ammonia consumption for that 
kiln.
    (iii) Compliance determination for lb per ton NOX limit. Compliance 
with the NOX emission limits described in paragraph 
(i)(3)(i) of this section shall be determined based on a rolling 12-
month basis. The 12-month rolling NOX emission rate for each 
kiln shall be calculated within 30 days following the end of each 
calendar month in accordance with the following procedure: Step one, 
sum the hourly pounds of NOX emitted for the month

[[Page 21180]]

just completed and the eleven (11) months preceding the month just 
completed to calculate the total pounds of NOX emitted over 
the most recent twelve (12) month period for that kiln; Step two, sum 
the total lime product, in tons, produced during the month just 
completed and the eleven (11) months preceding the month just completed 
to calculate the total lime product produced over the most recent 
twelve (12) month period for that kiln; Step three, divide the total 
amount of NOX calculated from Step one by the total lime 
product calculated from Step two to calculate the 12-month rolling 
NOX emission rate for that kiln. Each 12-month rolling 
NOX emission rate shall include all emissions and all lime 
product that occur during all periods within the 12-month period, 
including emissions from startup, shutdown, and malfunction.
    (iv) Compliance determination for lb per ton SO2 limit. Compliance 
with the SO2 emission limits described in paragraph 
(i)(3)(i) of this section shall be determined based on a rolling 12-
month basis. The 12-month rolling SO2 emission rate for each 
kiln shall be calculated within 30 days following the end of each 
calendar month in accordance with the following procedure: Step one, 
sum the hourly pounds of SO2 emitted for the month just 
completed and the eleven (11) months preceding the month just completed 
to calculate the total pounds of SO2 emitted over the most 
recent twelve (12) month period for that kiln; Step two, sum the total 
lime product, in tons, produced during the month just completed and the 
eleven (11) months preceding the month just completed to calculate the 
total lime product produced over the most recent twelve (12) month 
period for that kiln; Step three, divide the total amount of 
SO2 calculated from Step one by the total lime product 
calculated from Step two to calculate the 12-month rolling 
SO2 emission rate for that kiln. Each 12-month rolling 
SO2 emission rate shall include all emissions and all lime 
product that occur during all periods within the 12-month period, 
including emissions from startup, shutdown, and malfunction.
    (v) Compliance determination for ton per day NOX limit. Compliance 
with the NOX emission limit described in paragraph 
(i)(3)(ii) of this section shall be determined based on a rolling 30-
kiln-operating-day basis. The rolling 30-kiln operating day 
NOX emission rate for the kilns shall be calculated for each 
kiln operating day in accordance with the following procedure: Step 
one, sum the hourly pounds of NOX emitted from both kilns 
for the current kiln operating day and the preceding twenty-nine (29) 
kiln-operating-day period for both kilns; Step two, divide the total 
pounds of NOX calculated from Step one by two thousand 
(2,000) to calculate the total tons of NOX; Step three, 
divide the total tons of NOX calculated from Step two by 
thirty (30) to calculate the rolling 30-kiln operating day 
NOX emission rate for both kilns. Each rolling 30-kiln 
operating day NOX emission rate shall include all emissions 
that occur from both kilns during all periods within any kiln operating 
day, including emissions from startup, shutdown, and malfunction.
    (vi) Compliance determination for ton per day SO2 limit. 
Compliance with the SO2 emission limit described in 
paragraph (i)(3)(ii) of this section shall be determined based on a 
rolling 30-kiln-operating-day basis. The rolling 30-kiln operating day 
SO2 emission rate for the kilns shall be calculated for each 
kiln operating day in accordance with the following procedure: Step 
one, sum the hourly pounds of SO2 emitted from both kilns 
for the current kiln operating day and the preceding twenty-nine (29) 
kiln operating days, to calculate the total pounds of SO2 
emitted over the most recent thirty (30) kiln operating day period for 
both kilns; Step two, divide the total pounds of SO2 
calculated from Step one by two thousand (2,000) to calculate the total 
tons of SO2; Step three, divide the total tons of 
SO2 calculated from Step two by thirty (30) to calculate the 
rolling 30-kiln operating day SO2 emission rate for both 
kilns. Each rolling 30-kiln operating day SO2 emission rate 
shall include all emissions that occur from both kilns during all 
periods within any kiln operating day, including emissions from 
startup, shutdown, and malfunction.
    (7) Recordkeeping. The owner/operator shall maintain the following 
records for at least five years:
    (i) All CEMS data, including the date, place, and time of sampling 
or measurement; parameters sampled or measured; and results.
    (ii) All records of lime production.
    (iii) Monthly rolling 12-month emission rates of NOX and 
SO2, calculated in accordance with paragraphs (i)(6)(iii) 
and (iv) of this section.
    (iv) Daily rolling 30-kiln operating day emission rates of 
NOX and SO2 calculated in accordance with 
paragraphs (i)(6)(v) and (vi) of this section.
    (v) Records of quality assurance and quality control activities for 
emissions measuring systems including, but not limited to, any records 
specified by 40 CFR part 60, appendix F, Procedure 1, as well as the 
following:
    (A) The occurrence and duration of any startup, shutdown, or 
malfunction, performance testing, evaluations, calibrations, checks, 
adjustments maintenance, duration of any periods during which a CEMS or 
COMS is inoperative, and corresponding emission measurements.
    (B) Date, place, and time of measurement or monitoring equipment 
maintenance activity;
    (C) Operating conditions at the time of measurement or monitoring 
equipment maintenance activity;
    (D) Date, place, name of company or entity that performed the 
measurement or monitoring equipment maintenance activity and the 
methods used; and
    (E) Results of the measurement or monitoring equipment maintenance.
    (vi) Records of ammonia consumption, as recorded by the 
instrumentation required in paragraph (i)(6)(ii) of this section.
    (vii) Records of all major maintenance activities conducted on 
emission units, air pollution control equipment, CEMS, and lime 
production measurement devices.
    (viii) All other records specified by 40 CFR part 60, appendix F, 
Procedure 1.
    (8) Reporting. All reports required under this section shall be 
submitted by the owner/operator to the Director, Enforcement Division, 
U.S. Environmental Protection Agency, Region 9, electronically via 
email to aeo_r9@epa.gov. Any data that are required under this section 
shall be submitted in Excel format. Reports required under paragraphs 
(i)(8)(iii) through (v) of this section shall be submitted within 30 
days after the applicable compliance date(s) in paragraph (i)(4) of 
this section and at least semiannually thereafter, within 30 days after 
the end of a semiannual period. The owner/operator may submit reports 
more frequently than semiannually for the purposes of synchronizing 
reports required under this section with other reporting requirements, 
such as the title V monitoring report required by 40 CFR 
70.6(a)(3)(iii)(A), but at no point shall the duration of a semiannual 
period exceed six months.
    (i) Prior to commencing construction of the ammonia injection 
system, the owner/operator shall submit to EPA a summary report of the 
design of the SNCR system. Elements of this summary report shall 
include: Reagent type, description of the locations selected for 
reagent injection, reagent injection rate (expressed as a molar ratio 
of reagent to

[[Page 21181]]

NOX), equipment list, equipment arrangement, and a summary 
of kiln characteristics that were relied upon as the design basis for 
the SNCR system.
    (ii) By October 3, 2017, the owner/operator shall submit to EPA a 
summary of any process improvement or debugging activities that were 
performed on the SNCR system. Elements of this summary report shall 
include: a description of each process adjustment performed on the SNCR 
system, a discussion of whether the adjustment affected NOX 
emission rate (including CEMS data that may have been recorded while 
the adjustment was in progress), a description of the range (if 
applicable) over which the adjustment was examined, and a discussion of 
how the adjustment will be reflected or accounted for in kiln operating 
practices. In addition, to the extent that the owner/operator evaluates 
the impact of varying reagent injection rate on NOX 
emissions, the owner/operator shall include the following information: 
the range of reagent injection rates evaluated (expressed as a molar 
ratio of reagent to average NOX concentration), reagent 
injection rate, average NOX concentration, lime production 
rate, kiln flue gas temperature, and the presence of any detached 
plumes from the kiln exhaust.
    (iii) The owner/operator shall submit a report that lists the daily 
rolling 30-kiln operating day emission rates for NOX and 
SO2, calculated in accordance with paragraphs (i)(6)(iii) 
and (iv) of this section.
    (iv) The owner/operator shall submit a report that lists the 
monthly rolling 12-month emission rates for NOX and 
SO2, calculated in accordance with paragraphs (i)(6)(v) and 
(vi) of this section.
    (v) The owner/operator shall submit excess emissions reports for 
NOX and SO2 limits. Excess emissions means 
emissions that exceed any of the emissions limits specified in 
paragraph (i)(3) of this section. The reports shall include the 
magnitude, date(s), and duration of each period of excess emissions; 
specific identification of each period of excess emissions that occurs 
during startups, shutdowns, and malfunctions of the kiln; the nature 
and cause of any malfunction (if known); and the corrective action 
taken or preventative measures adopted.
    (vi) The owner/operator shall submit a summary of CEMS operation, 
to include dates and duration of each period during which the CEMS was 
inoperative (except for zero and span adjustments and calibration 
checks), reason(s) why the CEMS was inoperative and steps taken to 
prevent recurrence, and any CEMS repairs or adjustments.
    (vii) The owner/operator shall submit results of all CEMS 
performance tests required by 40 CFR part 60, Appendix F, Procedure 1 
(Relative Accuracy Test Audits, Relative Accuracy Audits, and Cylinder 
Gas Audits).
    (viiii) When no excess emissions have occurred or the CEMS has not 
been inoperative, repaired, or adjusted during the reporting period, 
the owner/operator shall state such information in the semiannual 
report.
    (9) Notifications. All notifications required under this section 
shall be submitted by the owner/operator to the Director, Enforcement 
Division (Mail Code ENF-2-1), U.S. Environmental Protection Agency, 
Region 9, 75 Hawthorne Street, San Francisco, California 94105-3901.
    (i) The owner/operator shall submit notification of commencement of 
construction of any equipment which is being constructed to comply with 
the NOX emission limits in paragraph (i)(3) of this section.
    (ii) The owner/operator shall submit semiannual progress reports on 
construction of any such equipment.
    (iii) The owner/operator shall submit notification of initial 
startup of any such equipment.
    (10) Equipment operations. (i) At all times, including periods of 
startup, shutdown, and malfunction, the owner/operator shall, to the 
extent practicable, maintain and operate the kilns, including 
associated air pollution control equipment, in a manner consistent with 
good air pollution control practices for minimizing emissions. 
Pollution control equipment shall be designed and capable of operating 
properly to minimize emissions during all expected operating 
conditions. Determination of whether acceptable operating and 
maintenance procedures are being used will be based on information 
available to the Regional Administrator, which may include, but is not 
limited to, monitoring results, review of operating and maintenance 
procedures, and inspection of the kilns.
    (ii) After completion of installation of ammonia injection on a 
kiln, the owner/operator shall inject sufficient ammonia to achieve 
compliance with the NOX emission limits from paragraph 
(i)(3) of this section for that kiln while preventing excessive ammonia 
emissions.
    (11) Enforcement. Notwithstanding any other provision in this 
implementation plan, any credible evidence or information relevant as 
to whether the kiln would have been in compliance with applicable 
requirements if the appropriate performance or compliance test had been 
performed can be used to establish whether or not the owner/operator 
has violated or is in violation of any standard or applicable emission 
limit in the plan.
[FR Doc. 2015-08883 Filed 4-16-15; 8:45 am]
 BILLING CODE 6560-50-P