Vol. 80 Monday, 

No. 143 July 27, 2015 

Part VI 

Environmental Protection Agency 

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 


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44772 Federal Register / Vol. 80, No. 143 / Monday, July 27, 2015 / Rules and Regulations 

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 


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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

Category NAICS code a Examples of 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 


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1These issues are further discussed in the docket, 

via communication with John Holmes dated 

September 24, 2014. 

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 °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. 

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. 


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Federal Register / Vol. 80, No. 143 / Monday, July 27, 2015 / Rules and Regulations 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—Applicability of General Provisions Remove reference to 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 crossreferences. 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/lawsregulations/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. 


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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 

■ 1. The authority citation for part 60 

continues to read as follows: 

Authority: 42 U.S.C. 7411. 

Subpart F—[Amended] 

■ 2. Section 60.61 is amended by 

revising paragraph (f) and adding 

paragraphs (g) and (h) to read as follows: 

§ 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 


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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. 

■ 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: 

§ 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. 

■ 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: 

§ 60.63 Monitoring of operations. 

* * * * * 

(c) * * * 

(1) For each kiln or clinker cooler 

subject to a PM emissions limit in 

§§ 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. 

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. 

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. 


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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. 

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. 

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. 

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. 

* * * * * 

■ 5. Section 60.64 is amended by 

revising paragraph (c) introductory text 

and removing and reserving paragraph 

(c)(2). 

The revision reads as follows: 

§ 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 

■ 6. The authority citation for part 63 

continues to read as follows: 

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

Subpart LLL—[Amended] 

■ 7. Section 63.1341 is amended by 

revising the definitions for ‘‘Operating 

day’’, ‘‘Rolling average’’, and ‘‘Run 

average’’ to read as follows: 

§ 63.1341 Definitions. 

* * * * * 


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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. 

* * * * * 

■ 8. Section 63.1343 is amended by 

revising paragraphs (a), (b)(1) and (2), 

and (d) to read as follows: 

§ 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

If your source is a 

(an): 

And the operating 

mode is: And if is located at a: Your emissions limits are: 

And the units of the 

emissions limit are: 

The oxygen correction 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 

(63.1346(g)).

NA ............................. NA. 

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 

(63.1346(g)).

NA ............................. NA. 

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 

(63.1348(b)(9)).

NA ............................. NA. 

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 

(63.1348(b)(9)).

NA ............................. NA. 

11. Existing or new 

raw material dryer.

Normal operation ...... Major or area source THC 3 4 24 ................. ppmvd ....................... NA. 

12. Existing or new 

raw material dryer.

Startup and shutdown Major or area source Work practices 

(63.1348(b)(9)).

NA ............................. NA. 

13. Existing or new 

raw or finish mill.

All operating modes .. Major source ............. Opacity 10 ................. percent ...................... NA. 

1The 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 °F or less, this limit is changed to 0.40 ng/dscm (TEQ). 3 Measured as propane. 

4Any 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: 


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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: 

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 § 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) 

If your source is and And if it is located at Your emissions limits 

are: 1

And the units of the emissions 

limit are: 

1. An existing kiln ............. it commenced construction or 

reconstruction on or prior to 

December 2, 2005.

A major source ......... PM–0.3 .....................

Opacity–20 

D/F–0.2 2

THC–50 3 4

lb/ton feed percent ng/dscm 

(TEQ) ppmvd. 

2. An existing kiln ............. it commenced construction or 

reconstruction after December 

2, 2005.

A major source ......... PM–0.3 .....................

Opacity–20 

D/F–0.2 2

THC–20 3 5

Mercury–41 6

lb/ton feed percent ng/dscm 

(TEQ) ppmvd ug/dscm. 

3. An existing kiln ............. it commenced construction or 

reconstruction on or prior to 

December 2, 2005.

An area source ......... D/F–0.2 2 ..................

THC–50 3 4

ng/dscm (TEQ) ppmvd. 

4. An existing kiln ............. it commenced construction or 

reconstruction after December 

2, 2005.

An area source ......... D/F–0.2 2 ..................

THC– 

20 3 5

Mercury–41 6

ng/dscm (TEQ) ppmvd ug/dscm. 

5. An existing clinker cooler.NA .............................................. A major source ......... PM–0.1 .....................

Opacity–10 

lb/ton feed percent. 

6. An Existing raw material 

dryer.

it commenced construction or 

reconstruction on or prior to 

December 2, 2005.

A major source ......... THC–50 3 4 ................

Opacity–10 

ppmvd Percent. 

7. An Existing raw material 

dryer.

it commenced construction or 

reconstruction after December 

2, 2005.

A major source ......... THC–20 3 5 ................

Opacity–10 

ppmvd percent. 

8. An Existing raw material 

dryer.

it commenced construction or 

reconstruction on or prior to 

December 2, 2005.

An area source ......... THC–50 3 4 ................ ppmvd. 

9. An Existing raw material 

dryer.

it commenced construction or 

reconstruction after December 

2, 2005.

An area source ......... THC–20 3 5 ................ ppmvd. 

1All 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 °F or less, this limit is changed to 0.4 ng/dscm (TEQ). 3 Measured as propane. 

4Only applies to Greenfield kilns or raw material dryers. 

5As 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. 6As 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. 


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§ 63.1344 [Removed and Reserved] 

■ 9. Section 63.1344 is removed and 

reserved. 

■ 10. Section 63.1346 is amended by 

revising paragraph (g)(3)to read as 

follows: 

§ 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. 

* * * * * 

■ 11. Section 63.1347 is amended by 

revising paragraph (a)(1) to read as 

follows: 

§ 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 §§ 63.1343, 63.1345, and 63.1346. 

Your operations and maintenance plan 

must address periods of startup and 

shutdown. 

* * * * * 

■ 12. Section 63.1348 is amended by 

revising paragraphs (a)(4)(iv) and (v), 

(b)(1)(iii), and (b)(9) to read as follows: 

§ 63.1348 Compliance requirements. 

(a) * * * 

(4) * * * 

(iv) The time weighted average total 

organic HAP concentration measured 

during the separate initial performance 

test specified by § 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 

§ 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 § 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. 

* * * * * 

■ 13. Section 63.1349 is amended by 

revising paragraphs (b), (c), and (d)(1)(ii) 

to read as follows: 

§ 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 


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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. 

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. 

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. 

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. 

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. 

* * * * * 


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(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. 

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. 

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 § 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 § 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, 


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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 

§ 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 § 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 § 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 § 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: 

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 § 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 § 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 § 63.1350(k)(5). 

(ii) Calculate the emission rate using 

Equation 10 of this section: 

Where: 

E30D = 30-day rolling emission rate of 

mercury, lb/MM tons clinker. 

Ci = Concentration of mercury for operating 

hour i, mg/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 mg. 

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 § 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 § 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 § 63.1350(l)(1). See 

§ 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 § 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 § 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: 

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


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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 § 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 

§ 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. 

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. 

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. 


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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. 

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. 

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 § 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 § 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 sitespecific SO2 emissions limit by 

operating an SO2 CEMS in accordance 

with the requirements of § 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 § 60.63(f). 

(v) Your SO2 CEMS measurement 

scale must be capable of reading SO2

concentrations consistent with the 

requirements of § 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. 


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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. 

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. 

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. 

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. 


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44788 Federal Register / Vol. 80, No. 143 / Monday, July 27, 2015 / Rules and Regulations 

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 § 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. 

* * * * * 

■ 14. Section 63.1350 is amended by: 

■ a. Removing and reserving paragraph 

(a)(2). 

■ b. Revising paragraphs (i)(1) and (2), 

(j), (k)(2) introductory text, and (k)(2)(ii). 

■ c. Adding paragraph (k)(2)(iii). 

■ 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: 

§ 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 


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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: 

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 

§ 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 


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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: 

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 

§ 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 reestablish 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: 

* * * * * 

■ 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: 

§ 63.1354 Reporting requirements. 

* * * * * 

(b) * * * 


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(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 § 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 

§ 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 § 63.1346(a) and (b); 

(ii) Notification of any failure to 

calibrate thermocouples and other 

temperature sensors as required under 

§ 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 

§ 63.1346(c)(2). 

(iv) Notification of failure to conduct 

any combustion system component 

inspections conducted within the 

reporting period as required under 

§ 63.1347(a)(3). 

(v) Any and all failures to comply 

with any provision of the operation and 

maintenance plan developed in 

accordance with § 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 § 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 § 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 § 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. 

* * * * * 

§ 63.1355 [Amended] 

■ 16. Amend § 63.1355 by removing and 

reserving paragraph (d). 

■ 17. Revise § 63.1356 to read as 

follows: 

§ 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. 

§ 63.1357 [Removed and Reserved] 

■ 18. Remove and reserve § 63.1357. 

■ 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

Citation Requirement Applies to subpart 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 Determination ............ No ...................................... § 63.1340 specifies applicability. 

63.1(b)(2)–(3) ........................ Initial Applicability Determination ............ Yes.

63.1(c)(1) .............................. Applicability After Standard Established Yes.

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 Program .............. Yes.

63.2 ....................................... Definitions ............................................... Yes ..................................... Additional definitions in § 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.


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44792 Federal Register / Vol. 80, No. 143 / Monday, July 27, 2015 / Rules and Regulations 

TABLE 1 TO SUBPART LLL OF PART 63—APPLICABILITY OF GENERAL PROVISIONS—Continued 

Citation Requirement Applies to subpart LLL Explanation 

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, Applicability ....... Yes.

63.5(c) ................................... ................................................................. No ...................................... [Reserved]. 

63.5(d)(1)–(4) ........................ Approval of Construction/Reconstruction Yes.

63.5(e) ................................... Approval of Construction/Reconstruction Yes.

63.5(f)(1)–(2) ......................... Approval of Construction/Reconstruction Yes.

63.6(a) ................................... Compliance for Standards and Maintenance.Yes.

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 § 63.1348(d) for general duty requirement. Any reference to 

§ 63.6(e)(1)(i) in other General Provisions or in this subpart is to be treated as a cross-reference to 

§ 63.1348(d). 

63.6(e)(3) .............................. Startup, Shutdown Malfunction Plan ...... No ...................................... Your operations and maintenance plan 

must address periods of startup and 

shutdown. See § 63.1347(a)(1). 

63.6(f)(1) ............................... Compliance with Emission Standards .... No ...................................... Compliance obligations specified in subpart LLL. 

63.6(f)(2)–(3) ......................... Compliance with Emission Standards .... Yes.

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 Requirements ....... Yes ..................................... § 63.1349 has specific requirements. 

63.7(b) ................................... Notification period ................................... Yes ..................................... Except for repeat performance test 

caused by an exceedance. See 

§ 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 § 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 § 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 ...................................... § 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 CMS ........... Yes.

63.8(f)(1)–(5) ......................... Alternative Monitoring Method ................ Yes ..................................... Additional requirements in § 63.1350(l). 

63.8(f)(6) ............................... Alternative to RATA Test ........................ Yes.

63.8(g) ................................... Data Reduction ....................................... Yes.


tkelley on DSK3SPTVN1PROD with RULES2
Federal Register / Vol. 80, No. 143 / Monday, July 27, 2015 / Rules and Regulations 44793 

TABLE 1 TO SUBPART LLL OF PART 63—APPLICABILITY OF GENERAL PROVISIONS—Continued 

Citation Requirement Applies to subpart LLL Explanation 

63.9(a) ................................... Notification Requirements ...................... Yes.

63.9(b)(1)–(5) ........................ Initial Notifications ................................... Yes.

63.9(c) ................................... Request for Compliance Extension ........ Yes.

63.9(d) ................................... New Source Notification for Special 

Compliance Requirements.

Yes.

63.9(e) ................................... Notification of performance test ............. Yes ..................................... Except for repeat performance test 

caused by an exceedance. See 

§ 63.1353(b)(6). 

63.9(f) .................................... Notification of VE/Opacity Test .............. Yes ..................................... Notification not required for VE/opacity 

test under § 63.1350(e) and (j). 

63.9(g) ................................... Additional CMS Notifications .................. Yes.

63.9(h)(1)–(3) ........................ Notification of Compliance Status .......... Yes.

63.9(h)(4) .............................. ................................................................. No ...................................... [Reserved]. 

63.9(h)(5)–(6) ........................ Notification of Compliance Status .......... Yes.

63.9(i) .................................... Adjustment of Deadlines ........................ Yes.

63.9(j) .................................... Change in Previous Information ............. Yes.

63.10(a) ................................. Recordkeeping/Reporting ....................... Yes.

63.10(b)(1) ............................ General Recordkeeping Requirements .. Yes.

63.10(b)(2)(i)–(ii) ................... General Recordkeeping Requirements .. No ...................................... See § 63.1355(g) and (h). 

63.10(b)(2)(iii) ....................... General Recordkeeping Requirements .. Yes.

63.10(b)(2)(iv)–(v) ................. General Recordkeeping Requirements .. No.

63.10(b)(2)(vi)–(ix) ................ General Recordkeeping Requirements .. Yes.

63.10(c)(1) ............................ Additional CMS Recordkeeping ............. Yes ..................................... PS–8A supersedes requirements for 

THC CEMS. 

63.10(c)(1) ............................ Additional CMS Recordkeeping ............. Yes ..................................... PS–8A supersedes requirements for 

THC CEMS. 

63.10(c)(2)–(4) ...................... ................................................................. No ...................................... [Reserved]. 

63.10(c)(5)–(8) ...................... Additional CMS Recordkeeping ............. Yes ..................................... PS–8A supersedes requirements for 

THC CEMS. 

63.10(c)(9) ............................ ................................................................. No ...................................... [Reserved]. 

63.10(c)(10)–(15) .................. Additional CMS Recordkeeping ............. Yes ..................................... PS–8A supersedes requirements for 

THC CEMS. 

63.10(d)(1) ............................ General Reporting Requirements ........... Yes.

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, Malfunction Reports No ...................................... See § 63.1354(c) for reporting requirements. Any reference to § 63.10(d)(5) 

in other General Provisions or in this 

subpart is to be treated as a crossreference to § 63.1354(c). 

63.10(e)(1)–(2) ...................... Additional CMS Reports ......................... Yes.

63.10(e)(3) ............................ Excess Emissions and CMS Performance Reports.Yes ..................................... Exceedances are defined in subpart 

LLL. 

63.10(e)(3)(vii) and (viii) ....... Excess Emissions and CMS Performance Reports.No ...................................... Superseded by 63.1354(b)(10). 

63.10(f) .................................. Waiver for Recordkeeping/Reporting ..... Yes.

63.11(a)–(b) .......................... Control Device Requirements ................ No ...................................... Flares not applicable. 

63.12(a)–(c) .......................... State Authority and Delegations ............. Yes.

63.13(a)–(c) .......................... State/Regional Addresses ...................... Yes.

63.14(a)–(b) .......................... Incorporation by Reference .................... Yes.

63.15(a)–(b) .......................... Availability of Information ....................... Yes.

[FR Doc. 2015–16811 Filed 7–24–15; 8:45 am] 

BILLING CODE 6560–50–P 


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