Vol. 80 Tuesday, 

No. 173 September 8, 2015 

Part IV 

Environmental Protection Agency 

40 CFR Parts 51, 60, 61 et al. 

Revisions to Test Methods, Performance Specifications, and Testing 

Regulations for Air Emission Sources; Proposed Rule 


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ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Parts 51, 60, 61, and 63 

[EPA–HQ–OAR–2014–0292; FRL–9931–50– 

OAR] 

RIN 2060–AS34 

Revisions to Test Methods, 

Performance Specifications, and 

Testing Regulations for Air Emission 

Sources 

AGENCY: Environmental Protection 

Agency (EPA). 

ACTION: Proposed rule. 

SUMMARY: This action proposes 

technical and editorial corrections and 

revisions to regulations related to source 

testing of emissions. This proposed rule 

will make corrections and updates to 

testing provisions that contain 

inaccuracies and outdated procedures, 

and provide alternatives to existing 

testing regulations. These revisions will 

improve the quality of data and provide 

testers flexibility to use recentlyapproved alternative procedures. Many 

of these changes were suggested by 

testers and other end-users, and they 

will not impose new substantive 

requirements on source owners or 

operators. 

DATES: Comments must be received on 

or before November 9, 2015. 

Public Hearing. If anyone contacts the 

Environmental Protection Agency (EPA) 

by September 18, 2015 requesting to 

speak at a public hearing, a hearing will 

be held on October 8, 2015. 

ADDRESSES: Submit your comments, 

identified by Docket ID No. EPA–HQ– 

OAR–2014–0292, by one of the 

following methods: 

• Federal eRulemaking Portal: 

www.regulations.gov. Follow the on-line 

instructions for submitting comments. 

• Email: a-and-r-docket@epa.gov. 

Include docket ID No. EPA–HQ–OAR– 

2014–0292 in the subject line of the 

message. 

• Fax: (202) 566–9744. 

• Mail: Attention Docket No. EPA– 

HQ–OAR–2014–0292, Environmental 

Protection Agency, Mailcode: 28221T, 

1200 Pennsylvania Ave. NW., 

Washington, DC 20460. 

• Hand Delivery: Docket No. EPA– 

HQ–OAR–2014–0292, EPA Docket 

Center, Public Reading Room, EPA WJC 

West Building, Room 3334, 1301 

Constitution Ave. NW., Washington, DC 

20460. Such deliveries are only 

accepted during the Docket’s normal 

hours of operation, and special 

arrangements should be made for 

deliveries of boxed information. 

Instructions: Direct your comments to 

Docket ID No. EPA–HQ–OAR–2014– 

0292. The EPA’s policy is that all 

comments received will be included in 

the public docket without change and 

may be made available online at http:// 

www.regulations.gov, including any 

personal information provided, unless 

the comment includes information 

claimed to be Confidential Business 

Information (CBI) or other information 

whose disclosure is restricted by statute. 

Do not submit information that you 

consider to be CBI or otherwise 

protected through www.regulations.gov 

or email. The www.regulations.gov Web 

site is an ‘‘anonymous access’’ system, 

which means the EPA will not know 

your identity or contact information 

unless you provide it in the body of 

your comment. If you send an email 

comment directly to the EPA without 

going through www.regulations.gov, 

your email address will be 

automatically captured and included as 

part of the comment that is placed in the 

public docket and made available on the 

Internet. If you submit an electronic 

comment, the EPA recommends that 

you include your name and other 

contact information in the body of your 

comment and with any disk or CD–ROM 

you submit. If the EPA cannot read your 

comment due to technical difficulties 

and cannot contact you for clarification, 

the EPA may not be able to consider 

your comment. Electronic files should 

avoid the use of special characters, any 

form of encryption, and be free of any 

defects or viruses. 

Docket: All documents in the docket 

are listed in the www.regulations.gov 

index. Although listed in the index, 

some information is not publicly 

available, e.g., CBI or other information 

whose disclosure is restricted by statute. 

Certain other material, such as 

copyrighted material, will be publicly 

available only in hard copy. Publicly 

available docket materials are available 

either electronically in 

www.regulations.gov or in hard copy at 

the Revisions to Test Methods and 

Testing Regulations Docket, EPA/DC, 

EPA WJC West Building, Room 3334, 

1301 Constitution Ave. NW., 

Washington, DC. The Public Reading 

Room is open from 8:30 a.m. to 4:30 

p.m., Monday through Friday, excluding 

legal holidays. The telephone number 

for the Public Reading Room is (202) 

566–1744, and the telephone number for 

the EPA Docket Center is (202) 566– 

1742. 

FOR FURTHER INFORMATION CONTACT: Ms. 

Lula H. Melton, Office of Air Quality 

Planning and Standards, Air Quality 

Assessment Division (E143–02), 

Environmental Protection Agency, 

Research Triangle Park, NC 27711; 

telephone number: (919) 541–2910; fax 

number: (919) 541–0516; email address: 

melton.lula@epa.gov. 

SUPPLEMENTARY INFORMATION: 

The supplementary information in 

this preamble is organized as follows: 

I. General Information 

A. Does this action apply to me? 

B. What should I consider as I prepare my 

comments for the EPA? 

C. Where can I get a copy of this 

document? 

II. Background 

III. Summary of Proposed Amendments 

A. Appendix M to Part 51 

B. Method 201A of Appendix M to Part 51 

C. Method 202 of Appendix M to Part 51 

D. Appendix P to Part 51 

E. General Provisions (Subpart A) Part 60 

F. Standards of Performance for Stationary 

Spark Ignition Internal Combustion 

Engines (Subpart JJJJ) Part 60 

G. Method 1 of Appendix A–1 to Part 60 

H. Method 2 of Appendix A–1 to Part 60 

I. Method 2G of Appendix A–2 to Part 60 

J. Method 3C of Appendix A–2 to Part 60 

K. Method 4 of Appendix A–3 to Part 60 

L. Method 5 of Appendix A–3 to Part 60 

M. Method 5H of Appendix A–3 to Part 60 

N. Method 5I of Appendix A–3 to Part 60 

O. Method 6C of Appendix A–4 to Part 60 

P. Method 7E of Appendix A–4 to Part 60 

Q. Method 10 of Appendix A–4 to Part 60 

R. Methods 10A and 10B of Appendix A– 

4 to Part 60 

S. Method 15 of Appendix A–5 to Part 60 

T. Method 16C of Appendix A–6 to Part 60 

U. Method 18 of Appendix A–6 to Part 60 

V. Method 25C of Appendix A–7 to Part 60 

W. Method 26 of Appendix A–8 to Part 60 

X. Method 26A of Appendix A–8 to Part 

60 

Y. Method 29 of Appendix A–8 to Part 60 

Z. Method 30A of Appendix A–8 to Part 60 

AA. Method 30B of Appendix A–8 to Part 

60 

BB. Appendix B to Part 60—Performance 

Specifications 

CC. Performance Specification 1 of 

Appendix B to Part 60 

DD. Performance Specification 2 of 

Appendix B to Part 60 

EE. Performance Specification 3 of 

Appendix B to Part 60 

FF. Performance Specification 4A of 

Appendix B to Part 60 

GG. Performance Specification 11 of 

Appendix B to Part 60 

HH. Performance Specification 15 of 

Appendix B to Part 60 

II. Performance Specification 16 of 

Appendix B to Part 60 

JJ. Procedure 2 of Appendix F to Part 60 

KK. General Provisions (Subpart A) Part 61 

LL. Method 107 of Appendix B to Part 61 

MM. General Provisions (Subpart A) Part 

63 

NN. Method 320 of Appendix A to Part 63 

IV. Request for Comments 

V. Statutory and Executive Order Reviews 

A. Executive Order 12866: Regulatory 

Planning and Review and Executive 


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Order 13563: Improving Regulation and 

Regulatory Review 

B. Paperwork Reduction Act (PRA) 

C. Regulatory Flexibility Act (RFA) 

D. Unfunded Mandates Reform Act 

(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 and 1 CFR Part 51 

J. Executive Order 12898: Federal Actions 

To Address Environmental Justice in 

Minority Populations and Low-Income 

Populations 

I. General Information 

A. Does this action apply to me? 

The proposed amendments apply to 

industries that are already subject to the 

current provisions of parts 51, 60, 61, 

and 63. For example, Performance 

Specification 4A applies to municipal 

waste combustors and hazardous waste 

incinerators. We did not list all of the 

specific affected industries or their 

North American Industry Classification 

System (NAICS) codes herein since 

there are many affected sources. If you 

have any questions regarding the 

applicability of this action to a 

particular entity, consult either the air 

permitting authority for the entity or 

your EPA regional representative as 

listed in 40 CFR 63.13. 

B. What should I consider as I prepare 

my comments for the EPA? 

1. Submitting CBI. Do not submit this 

information to the EPA through http:// 

www.regulations.gov or email. Clearly 

mark any of the information that you 

claim to be CBI. For CBI information in 

a disk or CD–ROM that you mail to the 

EPA, mark the outside of the disk or 

CD–ROM as CBI and then identify 

electronically within the disk or CD– 

ROM the specific information that is 

claimed as CBI. In addition to one 

complete version of the comment that 

includes information claimed as CBI, a 

copy of the comment that does not 

contain the information claimed as CBI 

must be submitted for inclusion in the 

public docket. Information so marked 

will not be disclosed except in 

accordance with procedures set forth in 

40 CFR part 2. 

2. Tips for Preparing Your Comments. 

When submitting comments, remember 

to: 

• Follow directions—The agency may 

ask you to respond to specific questions 

or organize comments by referencing a 

Code of Federal Regulations (CFR) part 

or section number. 

• Explain why you agree or disagree, 

suggest alternatives, and substitute 

language for your requested changes. 

• Describe any assumptions and 

provide any technical information and/ 

or data that you used. 

• If you estimate potential costs or 

burdens, explain how you arrived at 

your estimate in sufficient detail to 

allow for it to be reproduced. 

• Provide specific examples to 

illustrate your concerns, and suggest 

alternatives. 

• Explain your views as clearly as 

possible, avoiding the use of profanity 

or personal threats. 

• Make sure to submit your 

comments by the comment period 

deadline identified. 

C. Where can I get a copy of this 

document? 

In addition to being available in the 

docket, an electronic copy of this 

proposed rule will also be available on 

the Worldwide Web (WWW) through 

the Technology Transfer Network 

(TTN). Following signature, a copy of 

this proposed rule will be posted at the 

following address: http://www.epa.gov/

ttn/emc/. The TTN provides information 

and technology exchange in various 

areas of air pollution control. 

II. Background 

The EPA has been cataloging errors 

and corrections, as well as revisions that 

are needed to test methods, performance 

specifications, and associated 

regulations in 40 CFR parts 51, 60, 61, 

and 63. The most recent final rule that 

updated and revised methods was 

published on February 27, 2014 (79 FR 

11228). Many of the corrections and 

revisions herein have been brought to 

our attention by affected parties and 

end-users. The corrections and revisions 

consist primarily of typographical 

errors, technical errors in equations and 

diagrams, updates to procedures, and 

the addition of alternative equipment 

and methods the Agency has found 

acceptable to use. 

III. Summary of Proposed Amendments 

A. Appendix M to Part 51 

In paragraph (4)(a) of appendix M to 

part 51, we propose to add Methods 30A 

and 30B to the list of methods not 

requiring the use of audit samples. 

Consistent with the criteria used in 

establishing the original list of methods 

for which no audit samples are required 

(75 FR 55636), Method 30A is an 

instrumental test method that already 

has sufficient calibration and quality 

assurance requirements. Method 30B 

has sufficient performance-based quality 

assurance measures including analysis 

of an independent calibration standard 

with each set of field samples. 

B. Method 201A of Appendix M to Part 

51 

In Method 201A, the constant in 

equation 9, which is shown as 0.07657, 

will be corrected to 0.007657. 

C. Method 202 of Appendix M to Part 

51 

In Method 202, we propose to add 

section 3.8 to incorporate ASTM E617– 

13 by reference. The first sentence in 

paragraph 8.5.4.3 will be revised by 

adding ‘‘back half of the filterable PM 

filter holder.’’ Section 9.10 erroneously 

states ‘‘You must purge the assembled 

train as described in sections 8.5.3.2 and 

8.5.3.3.’’ The statement will be corrected 

to reference section 8.5.3. Sections 10.3 

and 10.4 will be added to require 

calibration of the balance used to weigh 

impingers and to require a multipoint 

calibration of the analytical balance. 

During the most recent revision of 

Method 202, sections 11.2.2.1, 11.2.2.2, 

11.2.2.3, 11.2.2.4 and figure 7 were 

inadvertently deleted and will be reinserted into the method. 

D. Appendix P to Part 51 

In appendix P to part 51, section 3.3 

erroneously refers to section 2.1 of 

Performance Specification 2 of 

appendix B of part 60. The citation will 

be corrected to section 6.1. Section 5.1.3 

erroneously refers to paragraph 4.1.4, 

which does not exist; the text will be 

changed to reflect the correct references 

to paragraphs 3.1.4 and 3.1.5. 

E. General Provisions (Subpart A) Part 

60 

In the General Provisions of part 60, 

§ 60.8(f) will be revised to require the 

reporting of specific emissions test data 

in test reports. These data elements will 

be required regardless of whether the 

report is submitted electronically or in 

paper format. We are proposing these 

modifications to ensure that emissions 

test reporting includes all data 

necessary to assess and assure the 

quality of the reported emissions data 

and appropriately describes and 

identifies the specific unit covered by 

the emissions test report. Section 

60.17(g) will be revised to add ASTM 

D6911–15 to the list of incorporations 

by reference and to re-number the 

remaining consensus standards that are 

incorporated by reference in alphanumeric order. 


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F. Standards of Performance for 

Stationary Spark Ignition Internal 

Combustion Engines (Subpart JJJJ) Part 

60 

In Table 2 of subpart JJJJ, Methods 18 

and 320 and ASTM D 6348–03 will be 

deleted as test method options for 

measuring VOC, and only Method 25A 

will be allowed. 

G. Method 1 of Appendix A–1 to Part 60 

In Method 1, section 11.2.1.2, the 

word ‘‘istances’’ will be changed to 

‘‘distances’’ in the second sentence. In 

addition, there are two figures labeled 

Figure 1–2. The second figure will be 

deleted. 

H. Method 2 of Appendix A–1 to Part 60 

In Method 2, instructions are given for 

conducting S-type pitot calibrations. 

Currently, the same equipment is 

commonly used for both Methods 2 and 

2G (same S-type pitot), but the 

calibration procedure is slightly 

different in each method. Other key 

pieces that enhance the quality 

assurance/quality control (QA/QC) of 

the calibrations will be added to Method 

2, and the amount of blockage allowed 

will be reduced to tighten up calibration 

accuracy. To address these issues, 

changes will be made to sections 6.7, 

10.1.2.3, 10.1.3.4, 10.1.3.7, and 

10.1.4.1.3 of Method 2. Section 10.1.4.3 

inadvertently references section 

10.1.4.4. The reference will be corrected 

to section 12.4.4. The side of Figure 2– 

10 labeled (b) will be deleted, and the 

label (a) will be removed from the 

figure. 

I. Method 2G of Appendix A–2 to Part 

60 

In Method 2G, instructions are given 

for conducting S-type pitot calibrations. 

Currently the same equipment is 

commonly used for both Methods 2 and 

2G (same S-type pitot), but the 

calibration procedure is slightly 

different in each method. Other key 

pieces that enhance the QA/QC of the 

calibrations will be added to the 

method, and the amount of blockage 

allowed will be reduced to tighten up 

calibration accuracy. Changes will be 

made to sections 6.11.1, 6.11.2, 10.6.6, 

and 10.6.8 of Method 2G to address 

these issues. 

J. Method 3C of Appendix A–2 to Part 

60 

In Method 3C, section 6.3 will be 

revised to add subsections (6.3.1, 6.3.2, 

6.3.3, 6.3.4, and 6.3.5) that clarify the 

requirements necessary to check 

analyzer linearity. 

K. Method 4 of Appendix A–3 to Part 60 

In Method 4, section 10.3 (Field 

Balance) will be added to require 

calibration of the balance used to weigh 

impingers. Section 12.2.5 will be added, 

which provides another option for 

calculating the approximate moisture 

content. Section 16.4 will be revised to 

clarify that a fuel sample must be taken 

and analyzed to develop F-factors 

required by the alternative. Also, in 

section 16.4, percent relative humidity 

is inadvertently defined as ‘‘calibrated 

hydrometer acceptable’’; the word 

‘‘hydrometer’’ will be replaced with 

‘‘hygrometer.’’ 

L. Method 5 of Appendix A–3 to Part 60 

In Method 5, we erroneously finalized 

the reference to the Isostack metering 

system in 79 FR 11228. Therefore, we 

will remove this reference from section 

6.1.1.9 and continue to issue broadly 

applicable test method determinations 

or letters of assessments regarding 

whether specific alternative metering 

equipment meets the specifications of 

the method as was our intent in the 

‘‘Summary of Comments and Responses 

on Revisions to Test Methods and 

Testing Regulations’’ (EPA–HQ–OAR– 

2010–0114–0045). The phrase ‘‘after 

ensuring that all joints have been wiped 

clean of silicone grease’’ will be 

removed from section 8.7.6.2.5. Sections 

10.7 and 10.8 will be added to require 

calibration of the balance used to weigh 

impingers and to require a multipoint 

calibration of the analytical balance. 

M. Method 5H of Appendix A–3 to Part 

60 

In Method 5H, sections 10.4 and 10.5 

will be added to require calibration of 

the balance used to weigh impingers 

and to require a multipoint calibration 

of the analytical balance. 

N. Method 5I of Appendix A–3 to Part 

60 

In Method 5I, sections 10.1 and 10.2 

will be added to require calibration of 

the balance used to weigh impingers 

and to require a multipoint calibration 

of the analytical balance. 

O. Method 6C of Appendix A–4 to Part 

60 

In Method 6C, due to numerous 

comments and questions, the language 

detailing the methodology for 

performing interference checks in 

section 8.3 will be revised to clarify and 

streamline the procedure. We continue 

to believe that the interference test need 

only be repeated if major components 

are replaced with different model parts. 

P. Method 7E of Appendix A–4 to Part 

60 

In Method 7E, section 8.1.2 will be 

revised to be consistent with the 

requirements in Performance 

Specification 2. In cases where the 3- 

point sampling is used, the three points 

along the measurement line exhibiting 

the highest average concentration 

during the stratification test will be 0.4, 

1.2, and 2.0 meters instead of 0.4, 1.0, 

and 2.0 meters. 

Also, in Method 7E, due to numerous 

comments and questions, the language 

in section 8.2.7 detailing the 

methodology for performing 

interference checks will be revised to 

clarify and streamline the procedure. 

We continue to believe that the 

interference test need only be repeated 

if major components are replaced with 

different model parts. Also, the word 

‘‘equations’’ will be replaced with 

‘‘equation’’ in the sentence in section 

12.8 that reads ‘‘If desired, calculate the 

total NOX concentration with a 

correction for converter efficiency using 

equation 7E–8.’’ 

Q. Method 10 of Appendix A–4 to Part 

60 

In Method 10, sections 6.2.5 and 8.4.2 

will be revised, and section 6.2.6 will be 

added to clarify the types of sample 

tanks allowed for integrated sampling. 

R. Methods 10A and 10B of Appendix 

A–4 to Part 60 

Methods 10A and 10B will be revised 

to allow the use of sample tanks as an 

alternative to flexible bags for sample 

collection. 

S. Method 15 of Appendix A–5 to Part 

60 

In Method 15, section 8.3.2 will be 

revised to clarify the calibrations that 

represent partial calibration. 

T. Method 16C of Appendix A–6 to Part 

60 

In Method 16C, equation 16–1C will 

be revised to replace Cv (manufacturer 

certified concentration of a calibration 

gas in ppmv SO2) in the denominator 

with CS (calibration span in ppmv). 

Therefore, the definition of CS will be 

added to the nomenclature in section 

12.1, and the definition of Cv will be 

deleted from the nomenclature in 

section 12.1. 

U. Method 18 of Appendix A–6 to Part 

60 

In Method 18, section 8.2.1.5.2.3 will 

be removed because the requirement to 

analyze two field audit samples as 

described in section 9.2 has been moved 

to the General Provisions. 


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V. Method 25C of Appendix A–7 to Part 

60 

In Method 25C, section 9.1 incorrectly 

references section 8.4.1; this reference 

will be corrected to section 8.4.2. 

Section 11.2 will be deleted because the 

audit sample analysis is now covered 

under the General Provisions. The 

nomenclature will be revised in section 

12.1, and equation 25C–2 will be 

revised in section 12.3. Sections 12.4, 

12.5, 12.5.1, and 12.5.2 will be added to 

incorporate equations to correct sample 

concentrations for ambient air dilution. 

W. Method 26 of Appendix A–8 to Part 

60 

In Method 26, section 13.3 will be 

revised to indicate the correct method 

detection limit. 

X. Method 26A of Appendix A–8 to Part 

60 

In Method 26A, language will be 

added to section 4.3 indicating that 

dissociating chloride salts at elevated 

temperatures interfere with halogen acid 

measurement in this method, but 

maintaining particulate probe/filter 

temperatures at 120+/¥14 °C (248+/

¥25 °F) minimizes this interference. 

Sections 6.1.7 and 8.1.5 will be revised 

to delete reference to other temperatures 

around the probe and filter holder 

during sampling as specified by the 

applicable subpart or approved by the 

Administrator for a particular 

application. Also, the error in ‘‘. . . 

between 120 and 134 °C (248 and 275 

°F . . .’’) will be corrected to ‘‘. . . 

between 120 and 134 °C (248 and 273 

°F . . .’’) in section 8.1.6. 

Y. Method 29 of Appendix A–8 to Part 

60 

In Method 29, section 8.2.9.3 will be 

revised to require rinsing impingers 

containing permanganate with hydrogen 

chloride (HCl) to ensure consistency 

with the application of Method 29 

across various stationary source 

categories and since there is evidence 

that HCl is needed to release the 

mercury (Hg) bound in the precipitate 

from the permanganate. Sections 10.4 

and 10.5 will be added to require 

calibration of the balance used to weigh 

impingers and to require a multipoint 

calibration of the analytical balance. 

Z. Method 30A of Appendix A–8 to Part 

60 

In Method 30A, the heading of section 

8.1 will be changed from ‘‘Sample Point 

Selection.’’ to ‘‘Selection of Sampling 

Sites and Sampling Points.’’ 

AA. Method 30B of Appendix A–8 to 

Part 60 

In Method 30B, the heading of section 

8.1 will be changed from ‘‘Sample Point 

Selection.’’ to ‘‘Selection of Sampling 

Sites and Sampling Points.’’ In section 

8.3.3.8, the reference to ASTM WK223 

will be changed to ASTM D6911–15. 

ASTM WK223 was the draft standard 

that was available at the time that 

Method 30B was first promulgated; it 

has since been finalized to ASTM 

D6911–15. 

BB. Appendix B to Part 60— 

Performance Specifications 

In the index to appendix B to part 60, 

Performance Specification 16— 

Specifications and Test Procedures for 

Predictive Emission Monitoring Systems 

in Stationary Sources will be added. 

CC. Performance Specification 1 of 

Appendix B to Part 60 

In Performance Specification 1, 

paragraph 8.1(2)(i) will be revised to not 

limit the location of a continuous 

opacity monitoring system (COMS) to a 

point at least four duct diameters 

downstream and two duct diameters 

upstream from a control device or flow 

disturbance, but it will refer to 

paragraphs 8.1(2)(ii) and 8.1(2)(iii) for 

additional options. 

DD. Performance Specification 2 of 

Appendix B to Part 60 

In Performance Specification 2, the 

definition of span value will be revised 

in section 3.11. Also, in section 6.1.1, 

the data recorder language will be 

revised. In section 16.3.2, the characters 

‘‘|dverbar’’ will be replaced with 

d, which is the average difference 

between responses and the 

concentration/responses. In section 18, 

Table 2–2 and Figure 2–1 are attached 

to each other. Table 2–2 will be 

detached from Figure 2–1, and the 

figure will be labeled ‘‘Calibration Drift 

Determination.’’ 

EE. Performance Specification 3 of 

Appendix B to Part 60 

In Performance Specification 3, we 

will revise section 13.2 to clarify how to 

calculate relative accuracy. 

FF. Performance Specification 4A of 

Appendix B to Part 60 

In Performance Specification 4A, we 

will revise the response time test 

procedure in sections 8.3 and 8.3.1. The 

language specifying that the response 

time is a check of the entire system was 

previously deleted. However, we have 

had several inquiries about this, and we 

believe that the entire system should be 

checked with the response time test 

procedure; therefore, we will put this 

requirement back into the performance 

specification. We will also revise 

section 13.3 because we have received 

information indicating that the response 

time of 1.5 minutes is too stringent; we 

will relax the response time requirement 

to 2.0 minutes. 

GG. Performance Specification 11 of 

Appendix B to Part 60 

In Performance Specification 11, 

equations 11–1 and 11–2 will be revised 

in section 12.1, and the response range 

will be used in lieu of the upscale value 

in section 13.1. 

HH. Performance Specification 15 of 

Appendix B to Part 60 

In Performance Specification 15, the 

statement ‘‘An audit sample is obtained 

from the Administrator’’ will be deleted 

from paragraph 9.1.2. Also, in 

Performance Specification 15, reserved 

sections 14.0 and 15.0 will be added. 

II. Performance Specification 16 of 

Appendix B to Part 60 

In Performance Specification 16, we 

will change Table 16–1 to make be 

consistent with conventional statistical 

applications; the two columns currently 

labeled ‘‘n-1’’ will be re-labeled ‘‘n.’’ We 

will also revise section 12.2.3 for 

selection of n-1 degrees of freedom. 

JJ. Procedure 2 of Appendix F to Part 60 

In Procedure 2, equations 2–2 and 2– 

3 in section 12.0 will be revised to 

correctly define the denominator when 

calculating calibration drift. Also, 

equation 2–4 in section 12.0 will be 

revised to correctly define the 

denominator when calculating accuracy. 

KK. General Provisions (Subpart A) Part 

61 

Section 61.13(e)(1)(i) of the General 

Provisions of Part 61 will be revised to 

add Methods 30A and 30B to the list of 

methods not requiring the use of audit 

samples. Consistent with the criteria 

used in establishing the original list of 

methods for which no audit samples are 

required (75 FR 55636), Method 30A is 

an instrumental test method that already 

has sufficient calibration and QA 

requirements. Method 30B has sufficient 

performance-based QA measures 

including analysis of an independent 

calibration standard with each set of 

field samples. 

LL. Method 107 of Appendix B to Part 

61 

In Method 107, the term ‘‘Geon’’ will 

be deleted from the heading in section 

11.7.3. 


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MM. General Provisions (Subpart A) 

Part 63 

The General Provisions of part 63, 

§ 63.7(c)(2)(iii)(A) will be revised to add 

Methods 30A and 30B to the list of 

methods not requiring the use of audit 

samples. Consistent with the criteria 

used in establishing the original list of 

methods for which no audit samples are 

required (75 FR 55636), Method 30A 

will be added because it is an 

instrumental test method that already 

has sufficient calibration and QA 

requirements, and Method 30B will be 

added because it has sufficient 

performance-based QA measures 

including analysis of an independent 

calibration standard with each set of 

field samples. 

Also in the General Provisions of part 

63, § 63.7(g)(2) will be revised to require 

the reporting of specific emissions test 

data in test reports. These data elements 

will be required regardless of whether 

the report is submitted electronically or 

in paper format. We will make these 

revisions to ensure that emissions test 

reporting includes all data necessary to 

assess and assure the quality of the 

reported emissions data and 

appropriately describes and identifies 

the specific unit covered by the 

emissions test report. 

NN. Method 320 of Appendix A to Part 

63 

In Method 320, sections 13.1, 13.4, 

and 13.4.1 will be revised to indicate 

the correct Method 301 reference. 

IV. Request for Comments 

The Agency is reviewing the 

adequacy of its current test methods in 

regard to sampling site selection and 

sampling point requirements. Emission 

gas flow patterns affect representative 

testing, and this is not addressed in 

many EPA test methods. Method 1 

contains provisions for sampling point 

locations, traversing, and determination 

of cyclonic flow, and Method 7E was 

revised to contain procedures for 

determining gaseous stratification in 

2006. However, there are currently no 

requirements in most methods for 

gaseous compounds to follow the 

Method 1 or 7E procedures. 

Method 7E allows stratification to be 

assessed through either a 3- or 12-point 

traverse while measuring variations in 

either a pollutant or diluent 

concentration. The degree of 

stratification determines whether a 

single-point, 3-point, or 12-point 

traverse is used for the emissions test. 

There are no requirements to check for 

cyclonic flow in Method 7E. 

We have some information that 

suggests deficiencies exist in the 3-point 

test in a number of cases and that at 

least a 5-point, dual axis test should be 

required. A summary of this information 

has been included in the docket for this 

action. We are also reconsidering the 

appropriateness of measuring variations 

in a diluent gas for the test instead of 

the regulated pollutant. 

In this rule, we propose to update the 

General Provisions of parts 60, 61, and 

63 to include evaluations of gas 

stratification and cyclonic flow with all 

compliance tests. The Agency solicits 

comments and data to aid in 

establishing effective and equitable 

procedures. 

The Agency also requests comments 

on the proposed changes to the response 

time test in Performance Specification 

4A. The Agency has received some 

information to suggest that a system 

response time test criteria of less than 

two minutes may be difficult to 

accomplish. Therefore, the Agency 

solicits comments and data to assist in 

establishing appropriate criteria. 

V. Statutory and Executive Order 

Reviews 

A. Executive Order 12866: Regulatory 

Planning and Review and Executive 

Order 13563: Improving Regulation and 

Regulatory Review 

This action is not a ‘‘significant 

regulatory action’’ under the terms of 

Executive Order (E.O.) 12866 (58 FR 

51735, October 4, 1993) and is, 

therefore, not subject to review under 

Executive Orders 12866 and 13563 (76 

FR 3821, January 21, 2011). 

B. Paperwork Reduction Act (PRA) 

This action does not impose an 

information collection burden under the 

PRA. The amendments being proposed 

in this action to the test methods, 

performance specifications, and testing 

regulations do not add information 

collection requirements but make 

corrections and updates to existing 

testing methodology. In addition, the 

proposed amendments clarify 

performance testing requirements. 

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. This 

proposed rule will not impose emission 

measurement requirements beyond 

those specified in the current 

regulations, nor does it change any 

emission standard. We have, therefore, 

concluded that this action will have no 

net regulatory burden for all directly 

regulated small entities. 

D. Unfunded Mandates Reform Act 

(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. The 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. This action simply 

corrects and updates existing testing 

regulations. Thus, Executive Order 

13175 does not apply to this action. 

G. Executive Order 13045: Protection of 

Children From Environmental Health 

Risks and Safety Risks 

The EPA interprets Executive Order 

13045 as applying only to those 

regulatory actions that concern 

environmental health or safety risks that 

the EPA has reason to believe may 

disproportionately affect children, per 

the definition of ‘‘covered regulatory 

action’’ in section 2–202 of the 

Executive Order. This action is not 

subject to Executive Order 13045 

because it does not concern an 

environmental health risk or safety risk. 

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 and 1 CFR Part 51 

This action involves technical 

standards. The EPA proposes to use 


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ASTM D6911–15 for packaging and 

shipping samples in Method 30B. The 

ASTM D6911–15 standard provides 

guidance on the selection of procedures 

for proper packaging and shipment of 

environmental samples to the laboratory 

for analysis to ensure compliance with 

appropriate regulatory programs and 

protection of sample integrity during 

shipment. 

The EPA proposes to use ASTM 

E617–13 for laboratory weights and 

precision mass standards in Methods 4, 

5, 5H, 5I, 29, and 202. The ASTM E617– 

13 standard covers weights and mass 

standards used in laboratories for 

specific classes. 

The ASTM D6911–15 and ASTM 

E617–13 standards were developed and 

adopted by the American Society for 

Testing and Materials (ASTM). These 

standards may be obtained from http:// 

www.astm.org or from the ASTM at 100 

Barr Harbor Drive, P.O. Box C700, West 

Conshohocken, PA 19428–2959. 

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. 

List of Subjects 

40 CFR Part 51 

Environmental protection, Air 

pollution control, Performance 

specifications, Test methods and 

procedures. 

40 CFR Part 60 

Environmental protection, Air 

pollution control, Incorporation by 

reference, Performance specifications, 

Test methods and procedures. 

40 CFR Parts 61 and 63 

Environmental protection, Air 

pollution control, Performance 

specifications, Test methods and 

procedures. 

Dated: August 14, 2015. 

Gina McCarthy, 

Administrator. 

For the reasons stated in the 

preamble, the Environmental Protection 

Agency proposes to amend title 40, 

chapter I of the Code of Federal 

Regulations as follows: 

PART 51—REQUIREMENTS FOR 

PREPARATION, ADOPTION, AND 

SUBMITTAL OF IMPLEMENTATION 

PLANS 

■ 1. The authority citation for part 51 

continues to read as follows: 

Authority: 23 U.S.C. 101; 42 U.S.C. 7401– 

7671q. 

■ 2. Revise section 4.0 a. of appendix M 

to part 51 to read as follows: 

Appendix M to Part 51—Recommended 

Test Methods for State Implementation 

Plans 

* * * * * 

4.0 * * * 

a. The source owner, operator, or 

representative of the tested facility shall 

obtain an audit sample, if commercially 

available, from an AASP for each test method 

used for regulatory compliance purposes. No 

audit samples are required for the following 

test methods: Methods 3A and 3C of 

appendix A–3 of part 60 of this chapter, 

Methods 6C, 7E, 9, and 10 of appendix A– 

4 of part 60, Methods 18 and 19 of appendix 

A–6 of part 60, Methods 20, 22, and 25A of 

appendix A–7 of part 60, Methods 30A and 

30B of appendix A–8 of part 60, and Methods 

303, 318, 320, and 321 of appendix A of part 

63 of this chapter. If multiple sources at a 

single facility are tested during a compliance 

test event, only one audit sample is required 

for each method used during a compliance 

test. The compliance authority responsible 

for the compliance test may waive the 

requirement to include an audit sample if 

they believe that an audit sample is not 

necessary. ‘‘Commercially available’’ means 

that two or more independent AASPs have 

blind audit samples available for purchase. If 

the source owner, operator, or representative 

cannot find an audit sample for a specific 

method, the owner, operator, or 

representative shall consult the EPA Web site 

at the following URL, http://www.epa.gov/

ttn/emc, to confirm whether there is a source 

that can supply an audit sample for that 

method. If the EPA Web site does not list an 

available audit sample at least 60 days prior 

to the beginning of the compliance test, the 

source owner, operator, or representative 

shall not be required to include an audit 

sample as part of the quality assurance 

program for the compliance test. When 

ordering an audit sample, the source owner, 

operator, or representative shall give the 

sample provider an estimate for the 

concentration of each pollutant that is 

emitted by the source or the estimated 

concentration of each pollutant based on the 

permitted level and the name, address, and 

phone number of the compliance authority. 

The source owner, operator, or representative 

shall report the results for the audit sample 

along with a summary of the emission test 

results for the audited pollutant to the 

compliance authority and shall report the 

results of the audit sample to the AASP. The 

source owner, operator, or representative 

shall make both reports at the same time and 

in the same manner or shall report to the 

compliance authority first and then report to 

the AASP. If the method being audited is a 

method that allows the samples to be 

analyzed in the field, and the tester plans to 

analyze the samples in the field, the tester 

may analyze the audit samples prior to 

collecting the emission samples provided a 

representative of the compliance authority is 

present at the testing site. The tester may 

request and the compliance authority may 

grant a waiver to the requirement that a 

representative of the compliance authority 

must be present at the testing site during the 

field analysis of an audit sample. The source 

owner, operator, or representative may report 

the results of the audit sample to the 

compliance authority and then report the 

results of the audit sample to the AASP prior 

to collecting any emission samples. The test 

protocol and final test report shall document 

whether an audit sample was ordered and 

utilized and the pass/fail results as 

applicable. 

* * * * * 

■ 3. Revise section 12.5 equations 8 and 

9 in Method 201A of appendix M to part 

51 to read as follows: 

Appendix M to Part 51—Recommended 

Test Methods for State Implementation 

Plans 

* * * * * 

Method 201A—Determination of PM10 and 

PM2.5 Emissions From Stationary Sources 

(Constant Sampling Rate Procedure) 

* * * * * 

12.0 Calculations and Data Analysis 

* * * * * 

12.5 * * * 

For Nre less than 3,162: 

For Nre greater than 3,162: 


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* * * * * 

■ 4. In Method 202 of appendix M to 

part 51: 

■ a. Add sections 3.8, 10.3, 10.4, 

11.2.2.1, 11.2.2.2, 11.2.2.3, 11.2.2.4, and 

Figure 7 to section 18.0. 

■ b. Revise sections 8.5.4.3 and 9.10. 

The additions and revisions read as 

follows: 

Appendix M to Part 51—Recommended 

Test Methods for State Implementation 

Plans 

* * * * * 

Method 202—Dry Impinger Method for 

Determining Condensable Particulate 

Emissions From Stationary Sources 

* * * * * 

3.0 Definitions 

* * * * * 

3.8 ASTM E617–13. ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precisions Mass Standards’’ was 

developed and adopted by the American 

Society for Testing and Materials (ASTM). 

The standards cover weights and mass 

standards used in laboratories for specific 

classes. The ASTM E617–13 standard has 

been approved for incorporation by reference 

by the Director of the Office of the Federal 

Register in accordance with 5 U.S.C. 552(a) 

and 1 CFR part 51. The standard may be 

obtained from http://www.astm.org or from 

the ASTM at 100 Barr Harbor Drive, P.O. Box 

C700, West Conshohocken, PA 19428–2959. 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.5.4.3 CPM Container #2, Organic 

rinses. Follow the water rinses of the back 

half of the filterable PM filer holder, probe 

extension, condenser, each impinger and all 

of the connecting glassware and front half of 

the CPM filter with an acetone rinse. 

* * * * * 

9.0 Quality Control 

* * * * * 

9.10 Field Train Recovery Blank. You 

must recover a minimum of one field train 

blank for each source category tested at the 

facility. You must recover the field train 

blank after the first or second run of the test. 

You must assemble the sampling train as it 

will be used for testing. Prior to the purge, 

you must add 100 ml of water to the first 

impinger and record this data on Figure 4. 

You must purge the assembled train as 

described in Section 8.5.3. You must recover 

field train blank samples as described in 

Section 8.5.4. From the field sample weight, 

you will subtract the condensable particulate 

mass you determine with this blank train or 

0.002 g (2.0 mg), whichever is less. 

* * * * * 

10.0 Calibration and Standardization 

* * * * * 

10.3 Field Balance Calibration Check. 

Check the calibration of the balance used to 

weigh impingers with ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precision Mass Standards’’ Class 

3 tolerance (or better) weight of at least 500g 

or within 50g of a loaded impinger weight. 

Daily before use, the field balance must 

measure the weight within ± 0.5 g of the 

certified mass. If the daily balance calibration 

check fails, perform corrective measures and 

repeat check before use of balance. 

10.4 Analytical Balance Calibration. 

Perform a multipoint calibration (at least five 

points spanning the operational range) of the 

analytical balance before the first use and 

semiannually, thereafter. The calibration of 

the analytical balance must be conducted 

using ASTM E617–13 ‘‘Standard 

Specification for Laboratory Weights and 

Precision Mass Standards’’ Class 2 (or better) 

tolerance weights. Audit the balance each 

day it is used for gravimetric measurements 

by weighing at least one ASTM E617–13 

Class 2 tolerance (or better) calibration 

weight that corresponds to 50 to 150 percent 

of the weight of one filter or 5 g. If the scale 

cannot reproduce the value of the calibration 

weight to within 0.5 mg of the certified mass, 

perform corrective measures, and conduct 

the multipoint calibration before use. 

11.0 Analytical Procedures 

* * * * * 

11.2.2 * * * 

11.2.2.1 Determine the inorganic fraction 

weight. Transfer the aqueous fraction from 

the extraction to a clean 500-ml or smaller 

beaker. Evaporate to no less than 10 ml liquid 

on a hot plate or in the oven at 105 °C and 

allow to dry at room temperature (not to 

exceed 30 °C (85 °F)). You must ensure that 

water and volatile acids have completely 

evaporated before neutralizing nonvolatile 

acids in the sample. Following evaporation, 

desiccate the residue for 24 hours in a 

desiccator containing anhydrous calcium 

sulfate. Weigh at intervals of at least 6 hours 

to a constant weight. (See Section 3.0 for a 

definition of Constant weight.) Report results 

to the nearest 0.1 mg on the CPM Work Table 

(see Figure 6 of Section 18) and proceed 

directly to Section 11.2.3. If the residue 

cannot be weighed to constant weight, redissolve the residue in 100 ml of deionized 

distilled ultra-filtered water that contains 1 

ppmw (1 mg/L) residual mass or less and 

continue to Section 11.2.2.2. 

11.2.2.2 Use titration to neutralize acid 

in the sample and remove water of hydration. 

If used, calibrate the pH meter with the 

neutral and acid buffer solutions. Then titrate 

the sample with 0.1N NH4OH to a pH of 7.0, 

as indicated by the pH meter or colorimetric 

indicator. Record the volume of titrant used 

on the CPM Work Table (see Figure 6 of 

Section 18). 

11.2.2.3 Using a hot plate or an oven at 

105 °C, evaporate the aqueous phase to 

approximately 10 ml. Quantitatively transfer 

the beaker contents to a clean, 50-ml pretared weighing tin and evaporate to dryness 

at room temperature (not to exceed 30 °C (85 

°F)) and pressure in a laboratory hood. 

Following evaporation, desiccate the residue 

for 24 hours in a desiccator containing 

anhydrous calcium sulfate. Weigh at 

intervals of at least 6 hours to a constant 

weight. (See Section 3.0 for a definition of 

Constant weight.) Report results to the 

nearest 0.1 mg on the CPM Work Table (see 

Figure 6 of Section 18). 

11.2.2.4 Calculate the correction factor to 

subtract the NH4

+ retained in the sample 

using Equation 1 in Section 12. 

* * * * * 

18.0 Tables, Diagrams, Flowcharts, and 

Validation Data 

* * * * * 

BILLING CODE 6560–50–P 


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BILLING CODE 6560–50–C 

* * * * * 

■ 5. Revise sections 3.3 and 5.1.3 of 

appendix P to part 51 to read as follows: 

Appendix P to Part 51—Minimum 

Emission Monitoring Requirements 

* * * * * 

3.3 Calibration Gases. For nitrogen oxides 

monitoring systems installed on fossil fuelfired steam generators, the pollutant gas used 

to prepare calibration gas mixtures (Section 

6.1, Performance Specification 2, appendix B, 

part 60 of this chapter) shall be nitric oxide 

(NO). For nitrogen oxides monitoring 

systems, installed on nitric acid plants the 

pollutant gas used to prepare calibration gas 

mixtures (Section 6.1, Performance 

Specification 2, appendix B, part 60) shall be 

nitrogen dioxide (NO2). These gases shall 

also be used for daily checks under 

paragraph 3.7 of this appendix as applicable. 

For sulfur dioxide monitoring systems 

installed on fossil fuel-fired steam generators 

or sulfuric acid plants, the pollutant gas used 

to prepare calibration gas mixtures (Section 

6.1, Performance Specification 2, appendix B, 

part 60) shall be sulfur dioxide (SO2). Span 

and zero gases should be traceable to 

National Bureau of Standards reference gases 

whenever these reference gases are available. 

Every 6 months from date of manufacture, 

span and zero gases shall be reanalyzed by 

conducting triplicate analyses using the 

reference methods in appendix A, part 60, as 

follows: For SO2, use Reference Method 6; for 

nitrogen oxides, use Reference Method 7; and 

for carbon dioxide or oxygen, use Reference 

Method 3. The gases may be analyzed at less 


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frequent intervals if longer shelf lives are 

guaranteed by the manufacturer. 

* * * * * 

5.1.3 The values used in the equations 

under paragraph 5.1 are derived as follows: 

E = pollutant emission, g/million cal (lb/ 

million BTU), 

C = pollutant concentration, g/dscm (lb/

dscf), determined by multiplying the average 

concentration (ppm) for each hourly period 

by 4.16x10-5 M g/dscm per ppm (2.64x 10-9

M lb/dscf per ppm) where M = pollutant 

molecular weight, g/g-mole (lb/lb-mole). M = 

64 for sulfur dioxide and 46 for oxides of 

nitrogen. 

%O2, %CO2 = Oxygen or carbon dioxide 

volume (expressed as percent) determined 

with equipment specified under paragraphs 

3.1.4 and 3.1.5 of this appendix. 

* * * * * 

PART 60—STANDARDS OF 

PERFORMANCE FOR NEW 

STATIONARY SOURCES 

■ 6. The authority citation for part 60 

continues to read as follows: 

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

■ 7. In § 60.8, revise paragraph (f) to 

read as follows: 

§ 60.8 Performance tests. 

* * * * * 

(f) Unless otherwise specified in the 

applicable subpart, each performance 

test shall consist of three separate runs 

using the applicable test method. 

(1) Each run shall be conducted for 

the time and under the conditions 

specified in the applicable standard. For 

the purpose of determining compliance 

with an applicable standard, the 

arithmetic means of results of the three 

runs shall apply. In the event that a 

sample is accidentally lost or conditions 

occur in which one of the three runs 

must be discontinued because of forced 

shutdown, failure of an irreplaceable 

portion of the sample train, extreme 

meteorological conditions, or other 

circumstances, beyond the owner or 

operator’s control, compliance may, 

upon the Administrator’s approval, be 

determined using the arithmetic mean 

of the results of the two other runs. 

(2) Contents of report (electronic or 

paper submitted copy). Unless 

otherwise specified in a relevant 

standard or test method, or as otherwise 

approved by the Administrator in 

writing, results of a performance test 

shall include general identification 

information for the facility including a 

mailing address, the actual address, the 

owner or operator or responsible official 

(where they are applicable) or an 

appropriate representative and an email 

address for this person, and the 

appropriate Federal Registry System 

(FRS) number for the facility; the 

purpose of the test including the 

regulation requiring the test, the 

pollutant being measured, the units of 

the standard or the pollutant emissions 

units, and any process parameter 

component; a brief process description; 

a complete unit description, including a 

description of feed streams and control 

devices, the appropriate source 

classification code (SCC), and the 

latitude and longitude of the emission 

point being tested, and the permitted 

maximum process rate (where 

applicable); sampling site description; 

description of sampling and analysis 

procedures and any modifications to 

standard procedures; quality assurance 

procedures; record of operating 

conditions, including operating 

parameters for which limits are being 

set, during the test; record of 

preparation of standards; record of 

calibrations; raw data sheets for field 

sampling; raw data sheets for field and 

laboratory analyses; chain-of-custody 

documentation; explanation of 

laboratory data qualifiers; example 

calculations of all applicable stack gas 

parameters, emission rates, percent 

reduction rates, and analytical results, 

as applicable; identification information 

for the company conducting the 

performance test including a contact 

person and his/her email address; and 

any other information required by the 

test method, a relevant standard, or the 

Administrator. 

* * * * * 

■ 8. In § 60.17: 

■ a. Redesignate paragraphs (g)(202) 

through (206) as (g)(204) through (208). 

■ b. Redesignate paragraphs (g)(200) and 

(201) as (g)(202) and (203). 

■ c. Redesignate paragraph (g)(199) as 

(g)(200). 

■ d. Redesignate paragraph (g)(198) as 

(g)(199). 

■ e. Redesignate paragraph (g)(197) as 

(g)(198). 

■ f. Redesignate paragraph (g)(196) as 

(g)(197). 

■ g. Redesignate paragraph (g)(195) as 

(g)(196). 

■ h. Redesignate paragraph (g)(194) as 

(g)(195). 

■ i. Redesignate paragraph (g)(193) as 

(g)(194). 

■ j. Redesignate paragraph (g)(192) as 

(g)(193). 

■ k. Redesignate paragraph (g)(191) as 

(g)(192). 

■ l. Redesignate paragraph (g)(190) as 

(g)(191). 

■ m. Add paragraphs (g)(190) and 

(g)(201). 

The additions read as follows: 

§ 60.17 Incorporations by reference. 

* * * * * 

(g) * * * 

* * * * * 

(190) ASTM D6911–15, Standard 

Guide for Packaging and Shipping 

Environmental Samples for Laboratory 

Analysis, IBR approved for appendix A– 

8 to this part: Method 30B, section 

8.3.3.8. 

* * * * * 

(201) ASTM E617–13, Standard 

Specification for Laboratory Weights 

and Precision Mass Standards, IBR 

approved for appendix M to part 51 of 

this chapter: Method 202, sections 10.3 

and 10.4; appendix A–3 to this part: 

Method 4, section 10.3; Method 5, 

sections 10.7 and 10.8, Method 5H, 

sections 10.4 and 10.5, Method 5I, 

sections 10.7 and 10.8; and appendix A– 

8 to this part: Method 29, section 10.4. 

* * * * * 

Subpart JJJJ—Standards of 

Performance for Stationary Spark 

Ignition Internal Combustion Engines 

■ 9. Revise table 2 to subpart JJJJ of part 

60 to read as follows: 

As stated in § 60.4244, you must 

comply with the following requirements 

for performance tests within 10 percent 

of 100 percent peak (or the highest 

achievable) load: 


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TABLE 2 TO SUBPART JJJJ OF PART 60—REQUIREMENTS FOR PERFORMANCE TESTS

For each Complying with the 

requirement to You must Using According to the following requirements 

1. Stationary SI internal 

combustion engine 

demonstrating compliance according to 

§ 60.4244.

a. limit the concentration of NOX in the 

stationary SI internal 

combustion engine 

exhaust.

i. Select the sampling 

port location and the 

number/location of 

traverse points at 

the exhaust of the 

stationary internal 

combustion engine; 

(1) Method 1 or 1A of 

40 CFR part 60, appendix A–1, if 

measuring flow rate.

(a) Alternatively, for NOX, O2, and moisture measurement, ducts ≤6 inches in 

diameter may be sampled at a single 

point located at the duct centroid and 

ducts >6 and ≤12 inches in diameter 

may be sampled at 3 traverse points located at 16.7, 50.0, and 83.3% of the 

measurement line (‘3-point long line’). If 

the duct is >12 inches in diameter and 

the sampling port location meets the 

two and half-diameter criterion of section 11.1.1 of Method 1 of 40 CFR part 

60, appendix A, the duct may be sampled at ‘3-point long line’; otherwise, 

conduct the stratification testing and select sampling points according to section 8.1.2 of Method 7E of 40 CFR part 

60, appendix A. 

ii. Determine the O2

concentration of the 

stationary internal 

combustion engine 

exhaust at the sampling port location; 

(2) Method 3, 3A, or 

3Bb of 40 CFR part 

60, appendix A–2 or 

ASTM Method 

D6522– 

00(Reapproved 

2005)a,c.

(b) Measurements to determine O2 concentration must be made at the same 

time as the measurements for NOX concentration. 

iii. If necessary, determine the exhaust 

flowrate of the stationary internal combustion engine exhaust; 

(3) Method 2 or 2C of 

40 CFR part 60, appendix A–1 or Method 19 of 40 CFR 

part 60, appendix 

A–7.

iv. If necessary, measure moisture content 

of the stationary internal combustion 

engine exhaust at 

the sampling port location; and 

(4) Method 4 of 40 

CFR part 60, appendix A–3, Method 

320 of 40 CFR part 

63, appendix A, or 

ASTM Method D 

6348–03c.

(c) Measurements to determine moisture 

must be made at the same time as the 

measurement for NOX concentration. 

v. Measure NOX at 

the exhaust of the 

stationary internal 

combustion engine; 

if using a control device, the sampling 

site must be located 

at the outlet of the 

control device.

(5) Method 7E of 40 

CFR part 60, appendix A–4, ASTM 

Method D6522–00 

(Reapproved 

2005)a, Method 320 

of 40 CFR part 63, 

appendix A, or 

ASTM Method D 

6348–03c.

(d) Results of this test consist of the average of the three 1-hour or longer runs. 

b. limit the concentration of CO in the 

stationary SI internal 

combustion engine 

exhaust.

i. Select the sampling 

port location and the 

number/location of 

traverse points at 

the exhaust of the 

stationary internal 

combustion engine; 

(1) Method 1 or 1A of 

40 CFR part 60, appendix A–1, if 

measuring flow rate.

(a) Alternatively, for CO, O2, and moisture 

measurement, ducts ≤6 inches in diameter may be sampled at a single 

point located at the duct centroid and 

ducts >6 and ≤12 inches in diameter 

may be sampled at 3 traverse points located at 16.7, 50.0, and 83.3% of the 

measurement line (‘3-point long line’). If 

the duct is >12 inches in diameter and 

the sampling port location meets the 

two and half-diameter criterion of section 11.1.1 of Method 1 of 40 CFR part 

60, appendix A, the duct may be sampled at ‘3-point long line’; otherwise, 

conduct the stratification testing and select sampling points according to section 8.1.2 of Method 7E of 40 CFR part 

60, appendix A. 


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TABLE 2 TO SUBPART JJJJ OF PART 60—REQUIREMENTS FOR PERFORMANCE TESTS—Continued 

For each Complying with the 

requirement to You must Using According to the following requirements 

ii. Determine the O2

concentration of the 

stationary internal 

combustion engine 

exhaust at the sampling port location; 

(2) Method 3, 3A, or 

3Bb of 40 CFR part 

60, appendix A–2 or 

ASTM Method 

D6522– 

00(Reapproved 

2005)a c.

(b) Measurements to determine O2 concentration must be made at the same 

time as the measurements for CO concentration. 

iii. If necessary, determine the exhaust 

flowrate of the stationary internal combustion engine exhaust; 

(3) Method 2 or 2C of 

40 CFR 60, appendix A–1 or Method 

19 of 40 CFR part 

60, appendix A–7.

iv. If necessary, measure moisture content 

of the stationary internal combustion 

engine exhaust at 

the sampling port location; and 

(4) Method 4 of 40 

CFR part 60, appendix A–3, Method 

320 of 40 CFR part 

63, appendix A, or 

ASTM Method D 

6348–03c.

(c) Measurements to determine moisture 

must be made at the same time as the 

measurement for CO concentration. 

v. Measure CO at the 

exhaust of the stationary internal combustion engine; if 

using a control device, the sampling 

site must be located 

at the outlet of the 

control device.

(5) Method 10 of 40 

CFR part 60, appendix A4, ASTM 

Method D6522–00 

(Reapproved 

2005)a, Method 320 

of 40 CFR part 63, 

appendix A, or 

ASTM Method D 

6348–03c.

(d) Results of this test consist of the average of the three 1-hour or longer runs. 

c. limit the concentration of VOC in the 

stationary SI internal 

combustion engine 

exhaust.

i. Select the sampling 

port location and the 

number/location of 

traverse points at 

the exhaust of the 

stationary internal 

combustion engine; 

(1) Method 1 or 1A of 

40 CFR part 60, appendix A–1, if 

measuring flow rate.

(a) Alternatively, for VOC, O2, and moisture measurement, ducts ≤6 inches in 

diameter may be sampled at a single 

point located at the duct centroid and 

ducts >6 and ≤12 inches in diameter 

may be sampled at 3 traverse points located at 16.7, 50.0, and 83.3% of the 

measurement line (‘3-point long line’). If 

the duct is >12 inches in diameter and 

the sampling port location meets the 

two and half-diameter criterion of section 11.1.1 of Method 1 of 40 CFR part 

60, appendix A, the duct may be sampled at ‘3-point long line’; otherwise, 

conduct the stratification testing and select sampling points according to section 8.1.2 of Method 7E of 40 CFR part 

60, appendix A. 

ii. Determine the O2

concentration of the 

stationary internal 

combustion engine 

exhaust at the sampling port location; 

(2) Method 3, 3A, or 

3Bb of 40 CFR part 

60, appendix A–2 or 

ASTM Method 

D6522– 

00(Reapproved 

2005) a c.

(b) Measurements to determine O2 concentration must be made at the same 

time as the measurements for VOC 

concentration. 

iii. If necessary, determine the exhaust 

flowrate of the stationary internal combustion engine exhaust; 

(3) Method 2 or 2C of 

40 CFR 60, appendix A–1 or Method 

19 of 40 CFR part 

60, appendix A–7.

iv. If necessary, measure moisture content 

of the stationary internal combustion 

engine exhaust at 

the sampling port location; and 

(4) Method 4 of 40 

CFR part 60, appendix A–3, Method 

320 of 40 CFR part 

63, appendix A, or 

ASTM Method D 

6348–03c.

(c) Measurements to determine moisture 

must be made at the same time as the 

measurement for VOC concentration. 


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TABLE 2 TO SUBPART JJJJ OF PART 60—REQUIREMENTS FOR PERFORMANCE TESTS—Continued 

For each Complying with the 

requirement to You must Using According to the following requirements 

v. Measure VOC at 

the exhaust of the 

stationary internal 

combustion engine; 

if using a control device, the sampling 

site must be located 

at the outlet of the 

control device.

(5) Method 25A of 40 

CFR part 60, appendix A–7 or Method 25A with the use 

of a methane cutter 

as described in 40 

CFR 1065.265.

(d) Results of this test consist of the average of the three 1-hour or longer runs. 

vi. If necessary, measure methane and/or 

ethane at the exhaust of the stationary internal combustion engine; if 

using a control device, the sampling 

site must be located 

at the outlet of the 

control device.

(6) Method 18 of 40 

CFR part 60, appendix A–6, Method 

320 of 40 CFR part 

63, appendix A, or 

ASTM Method D 

6348–03c.

(e) Measurements to determine methane 

and/or ethane must be made at the 

same time as the measurement for 

VOC concentration. 

a Also, you may petition the Administrator for approval to use alternative methods for portable analyzer. b You may use ASME PTC 19.10–1981, Flue and Exhaust Gas Analyses, for measuring the O2 content of the exhaust gas as an alternative to 

EPA Method 3B. AMSE PTC 19.10–1981 incorporated by reference, see 40 CFR 60.17. c Incorporated by reference; see 40 CFR 60.17. 

■ 10. In appendix A–1 to part 60: 

■ a. Revise section 11.2.1.2 in Method 1. 

■ b. Remove Figure 1–2 in section 17.0 

after the table entitled ‘‘Table 1–1 CrossSection Layout for Rectangular Stacks’’ 

in Method 1. 

■ c. Revise sections 6.7, 10.1.2.3, 

10.1.3.4, 10.1.3.7, 10.1.4.1.3, 10.1.4.3, 

and Figure 2–10 in section 17.0 in 

Method 2. 

The revisions read as follows: 

Appendix A–1 to Part 60—Test 

Methods 1 through 2F 

* * * * * 

Method 1—Sample and Velocity Traverses 

for Stationary Sources 

* * * * * 

11.0 Procedure 

* * * * * 

11.2.1.2 When the eight- and twodiameter criterion cannot be met, the 

minimum number of traverse points is 

determined from Figure 1–1. Before referring 

to the figure, however, determine the 

distances from the measurement site to the 

nearest upstream and downstream 

disturbances, and divide each distance by the 

stack diameter or equivalent diameter, to 

determine the distance in terms of the 

number of duct diameters. 

* * * * * 

Method 2—Determination of Stack Gas 

Velocity and Volumetric Flow Rate (Type S 

Pitot Tube) 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.7 Calibration Pitot Tube. Calibration of 

the Type S pitot tube requires a standard 

Pitot tube for a reference. 

* * * * * 

10.0 Calibration and Standardization 

* * * * * 

10.1.2.3 The flow system shall have the 

capacity to generate a test-section velocity 

around 910 m/min (3,000 ft/min). This 

velocity must be constant with time to 

guarantee constant and steady flow during 

the entire period of calibration. A centrifugal 

fan is recommended for this purpose, as no 

flow rate adjustment for back pressure of the 

fan is allowed during the calibration process. 

Note that Type S pitot tube coefficients 

obtained by single-velocity calibration at 910 

m/min (3,000 ft/min) will generally be valid 

to ±3 percent for the measurement of 

velocities above 300 m/min (1,000 ft/min) 

and to ±6 percent for the measurement of 

velocities between 180 and 300 m/min (600 

and 1,000 ft/min). If a more precise 

correlation between the pitot tube coefficient, 

(Cp), and velocity is desired, the flow system 

should have the capacity to generate at least 

four distinct, time-invariant test-section 

velocities covering the velocity range from 

180 to 1,500 m/min (600 to 5,000 ft/min), and 

calibration data shall be taken at regular 

velocity intervals over this range (see 

References 9 and 14 in section 17.0 for 

details). 

* * * * * 

10.1.3.4 Read Dpstd, and record its value 

in a data table similar to the one shown in 

Figure 2–9. Remove the standard pitot tube 

from the duct, and disconnect it from the 

manometer. Seal the standard entry port. 

Make no adjustment to the fan speed or other 

wind tunnel volumetric flow control device 

between this reading and the corresponding 

Type S pitot reading. 

* * * * * 

10.1.3.7 Repeat Steps 10.1.3.3 through 

10.1.3.6 until three pairs of Dp readings have 

been obtained for the A side of the Type S 

pitot tube, with all the paired observations 

conducted at a constant fan speed (no 

changes to fan velocity between observed 

readings). 

* * * * * 

10.1.4.1.3 For Type S pitot tube 

combinations with complete probe 

assemblies, the calibration point should be 

located at or near the center of the duct; 

however, insertion of a probe sheath into a 

small duct may cause significant crosssectional area interference and blockage and 

yield incorrect coefficient values (Reference 

9 in section 17.0). Therefore, to minimize the 

blockage effect, the calibration point may be 

a few inches off-center if necessary, but no 

closer to the outer wall of the wind tunnel 

than 4 inches. The maximum allowable 

blockage, as determined by a projected-area 

model of the probe sheath, is 2 percent or 

less of the duct cross-sectional area (Figure 

2–10a). If the pitot and/or probe assembly 

blocks more than 2 percent of the crosssectional area at an insertion point only 4 

inches inside the wind tunnel, the diameter 

of the wind tunnel must be increased. 

* * * * * 

10.1.4.3 For a probe assembly constructed 

such that its pitot tube is always used in the 

same orientation, only one side of the pitot 

tube need be calibrated (the side which will 

face the flow). The pitot tube must still meet 

the alignment specifications of Figure 2–2 or 

2–3, however, and must have an average 


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deviation (s) value of 0.01 or less (see section 

12.4.4). 

* * * * * 

17.0 Tables, Diagrams, Flowcharts, and 

Validation Data 

Figure 2-10. Projected-area models for typical pitot tube assemblies. 

* * * * * 

■ 11. In appendix A–2 to part 60: 

■ a. Revise sections 6.11.1, 6.11.2, 

10.6.6, and 10.6.8 in Method 2G. 

■ b. Revise section 6.3 in Method 3C. 

■ c. Add sections 6.3.1, 6.3.2, 6.3.3, 

6.3.4, and 6.3.5 in Method 3C. 

The revisions and additions read as 

follows: 

Appendix A–2 to Part 60—Test 

Methods 2G through 3C 

* * * * * 

Method 2G—Determination of Stack Gas 

Velocity and Volumetric Flow Rate With 

Two-Dimensional Probes 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.11.1 Test section cross-sectional area. 

The flowing gas stream shall be confined 

within a circular, rectangular, or elliptical 

duct. The cross-sectional area of the tunnel 

must be large enough to ensure fully 

developed flow in the presence of both the 

calibration pitot tube and the tested probe. 

The calibration site, or ‘‘test section,’’ of the 

wind tunnel shall have a minimum diameter 

of 30.5 cm (12 in.) for circular or elliptical 

duct cross-sections or a minimum width of 

30.5 cm (12 in.) on the shorter side for 

rectangular cross-sections. Wind tunnels 

shall meet the probe blockage provisions of 

this section and the qualification 

requirements prescribed in section 10.1. The 

projected area of the portion of the probe 

head, shaft, and attached devices inside the 

wind tunnel during calibration shall 

represent no more than 2 percent of the 

cross-sectional area of the tunnel. If the pitot 

and/or probe assembly blocks more than 2 

percent of the cross-sectional area at an 

insertion point only 4 inches inside the wind 

tunnel, the diameter of the wind tunnel must 

be increased. 

6.11.2 Velocity range and stability. The 

wind tunnel should be capable of achieving 

and maintaining a constant and steady 

velocity between 6.1 m/sec and 30.5 m/sec 

(20 ft/sec and 100 ft/sec) for the entire 

calibration period for each selected 

calibration velocity. The wind tunnel shall 

produce fully developed flow patterns that 

are stable and parallel to the axis of the duct 

in the test section. 

* * * * * 

10.0 Calibration 

* * * * * 

10.6.6 Read the differential pressure from 

the calibration pitot tube (DPstd), and record 

its value. Read the barometric pressure to 

within ±2.5 mm Hg (±0.1 in. Hg) and the 

temperature in the wind tunnel to within 

0.6°C (1 °F). Record these values on a data 

form similar to Table 2G–8. Record the 

rotational speed of the fan or indicator of 

wind tunnel volumetric flow and make no 

adjustment to fan speed or wind tunnel flow 

control between this observation and the 

Type S probe reading. 

* * * * * 

10.6.8 Take paired differential pressure 

measurements with the calibration pitot tube 

and tested probe (according to sections 10.6.6 

and 10.6.7). The paired measurements in 

each replicate can be made either 

simultaneously (i.e., with both probes in the 

wind tunnel) or by alternating the 

measurements of the two probes (i.e., with 

only one probe at a time in the wind tunnel). 

Adjustments made to the fan speed or other 

changes to the system designed to change the 

air flow velocity of the wind tunnel between 

observation of the calibration pitot tube 

(DPstd) and the Type S pitot tube invalidates 

the reading and the observation must be 

repeated. 

* * * * * 

Method 3C—Determination of Carbon 

Dioxide, Methane, Nitrogen, and Oxygen 

From Stationary Sources 

* * * * * 

6. Analysis 

* * * * * 

6.3 Analyzer Linearity Check and 

Calibration. Perform this test before sample 

analysis. 

6.3.1 Using the gas mixtures in section 

5.1, verify the detector linearity over the 

range of suspected sample concentrations 

with at least three concentrations per 


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compound of interest. This initial check may 

also serve as the initial instrument 

calibration. 

6.3.2 You may extend the use of the 

analyzer calibration by performing a single 

point calibration verification. Calibration 

verifications shall be performed by triplicate 

injections of a single-point standard gas. The 

concentration of the single-point calibration 

must either be at the midpoint of the 

calibration curve or at approximately the 

source emission concentration measured 

during operation of the analyzer. 

6.3.3 Triplicate injections must agree 

within 5 percent of their mean, and the 

average calibration verification point must 

agree within 10 percent of the initial 

calibration response factor. If these 

calibration verification criteria are not met, 

the initial calibration described in section 

6.3.1, using at least three concentrations, 

must be repeated before analysis of samples 

can continue. 

6.3.4 For each instrument calibration, 

record the carrier and detector flow rates, 

detector filament and block temperatures, 

attenuation factor, injection time, chart 

speed, sample loop volume, and component 

concentrations. 

6.3.5 Plot a linear regression of the 

standard concentrations versus area values to 

obtain the response factor of each compound. 

Alternatively, response factors of uncorrected 

component concentrations (wet basis) may be 

generated using instrumental integration. 

Note: Peak height may be used instead of 

peak area throughout this method. 

* * * * * 

■ 12. In appendix A–3 to part 60: 

■ a. Add sections 10.3 and 12.2.5 in 

Method 4. 

■ b. Revise section 16.4 in Method 4. 

■ c. Revise sections 6.1.1.9 and 8.7.6.2.5 

in Method 5. 

■ d. Add sections 10.7 and 10.8 in 

Method 5. 

■ e. Add sections 10.4 and 10.5 in 

Method 5H. 

■ f. Add sections 10.1 and 10.2 in 

Method 5I. 

The revisions and additions read as 

follows: 

Appendix A–3 to Part 60—Test 

Methods 4 through 5I 

* * * * * 

Method 4—Determination of Moisture 

Content in Stack Gases 

* * * * * 

10.0 Calibration and Standardization 

* * * * * 

10.3 Field Balance Calibration Check. 

Check the calibration of the balance used to 

weigh impingers using ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precision Mass Standards’’ 

(incorporated by reference—see 40 CFR 

60.17) Class 3 tolerance (or better) weight of 

at least 500g or within 50g of a loaded 

impinger weight. Daily before use, the field 

balance must measure the weight within 

±0.5g of the certified mass. If the daily 

balance calibration check fails, perform 

corrective measures and repeat check before 

use of balance. 

* * * * * 

12.0 Data Analysis and Calculations 

* * * * * 

12.2.5 Using F-factors to determine 

approximate moisture for estimating 

moisture content where no wet scrubber is 

being used, for the purpose of determining 

isokinetic sampling rate settings with no fuel 

sample is acceptable using the average Fc or 

Fd factor from Method 19 (see Method 19, 

section 12.3.1). If this option is selected, 

calculate the approximate moisture as 

follows: 

BWS = BH + BA + BF

Where: 

BA = Mole Fraction of moisture in the 

ambient air. 

BF = Mole fraction of moisture from free 

water in the fuel. 

BH ≤ Mole fraction of moisture from the 

hydrogen in the fuel. 

Bws = Mole fraction of moisture in the stack 

gas. 

Fd = Volume of dry combustion components 

per unit of heat content at 0 percent 

oxygen, dscf/106 

Btu (scm/J). See Table 19–2 in Method 19. 

Fw = Volume of wet combustion components 

per unit of heat content at 0 percent 

oxygen, wet 

scf/106 Btu (scm/J). See Table 19–2 in 

Method 19. 

%RH = Percent relative humidity (calibrated 

hydrometer acceptable), percent. 

PBar = Barometric pressure, in. Hg. 

T = Ambient temperature, °F. 

W = Percent free water by weight, percent. 

O2 = Percent oxygen in stack gas, dry basis, 

percent. 

* * * * * 

16.0 Alternative Procedures 

* * * * * 

16.4 Using F-factors to determine 

moisture is an acceptable alternative to 

Method 4 for a combustion stack not using 

a scrubber and where a fuel sample is taken 

during the test run and analyzed for 

development of an Fd factor (see Method 19, 

section 12.3.2) and where stack O2 content is 

measured by Method 3A or 3B during each 

test run. 

If this option is selected, calculate the 

moisture content as follows: 

BWS = BH + BA + BF

Where: 

BA = Mole fraction of moisture in the ambient 

air. 


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Note: Values of BA should be between 0.00 

and 0.06 with common values being about 

0.015. 

BF = Mole fraction of moisture from free 

water in the fuel. 

Note: Free water in fuel is minimal for 

distillate oil and gases, such as propane and 

natural gas, so this step may be omitted for 

those fuels. 

BH = Mole fraction of moisture from the 

hydrogen in the fuel. 

Bws = Mole fraction of moisture in the stack 

gas. 

Fd = Volume of dry combustion components 

per unit of heat content at 0 percent 

oxygen, dscf/106 Btu (scm/J). Develop a 

test specific Fd value using an integrated 

fuel sample from each test run and 

Equation 19–3 in section 12.3.2 of 

Method 19. 

FW = Volume of wet combustion components 

per unit of heat content at 0 percent 

oxygen, wet scf/106 Btu (scm/J). Develop 

a test specific FW value using an 

integrated fuel sample from each test run 

and Equation 19–4 in section 12.3.2 of 

Method 19. 

%RH = Percent relative humidity (calibrated 

hygrometer acceptable), percent. 

PBar = Barometric pressure, in. Hg. 

T = Ambient temperature, °F. 

W = Percent free water by weight, percent. 

O2 = Percent oxygen in stack gas, dry basis, 

percent. 

* * * * * 

Method 5—Determination of Particulate 

Matter Emissions From Stationary Sources 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.1.1.9 Metering System. Vacuum gauge, 

leak-free pump, calibrated temperature 

sensors (rechecked at at least one point after 

each test), dry gas meter (DGM) capable of 

measuring volume to within 2 percent, and 

related equipment, as shown in Figure 5–1. 

Other metering systems capable of 

maintaining sampling rates within 10 percent 

of isokinetic and of determining sample 

volumes to within 2 percent may be used, 

subject to the approval of the Administrator. 

When the metering system is used in 

conjunction with a pitot tube, the system 

shall allow periodic checks of isokinetic 

rates. 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.7.6.2.5 Clean the inside of the front half 

of the filter holder by rubbing the surfaces 

with a Nylon bristle brush and rinsing with 

acetone. Rinse each surface three times or 

more if needed to remove visible particulate. 

Make a final rinse of the brush and filter 

holder. Carefully rinse out the glass cyclone, 

also (if applicable). After all acetone 

washings and particulate matter have been 

collected in the sample container, tighten the 

lid on the sample container so that acetone 

will not leak out when it is shipped to the 

laboratory. Mark the height of the fluid level 

to allow determination of whether leakage 

occurred during transport. Label the 

container to identify clearly its contents. 

* * * * * 

10.0 Calibration and Standardization 

* * * * * 

10.7 Field Balance Calibration Check. 

Check the calibration of the balance used to 

weigh impingers using ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precision Mass Standards’’ 

(incorporated by reference—see 40 CFR 

60.17) Class 3 tolerance (or better) weight of 

at least 500g or within 50g of a loaded 

impinger weight. Daily before use, the field 

balance must measure the weight within 

±0.5g of the certified mass. If the daily 

balance calibration check fails, perform 

corrective measures and repeat check before 

use of balance. 

10.8 Analytical Balance Calibration. 

Perform a multipoint calibration (at least five 

points spanning the operational range) of the 

analytical balance before the first use and 

semiannually, thereafter. The calibration of 

the analytical balance must be conducted 

using ASTM E617–13 ‘‘Standard 

Specification for Laboratory Weights and 

Precision Mass Standards’’ (incorporated by 

reference—see 40 CFR 60.17) Class 2 (or 

better) tolerance weights. Audit the balance 

each day it is used for gravimetric 

measurements by weighing at least one 

ASTM E617–13 Class 2 tolerance (or better) 

calibration weight) that corresponds to 50 to 

150 percent of the weight of one filter or 5g. 

If the scale cannot reproduce the value of the 

calibration weight to within 0.5 mg of the 

certified mass, perform corrective measures, 

and conduct the multipoint calibration before 

use. 

* * * * * 

Method 5H—Determination of Particulate 

Matter Emissions From Wood Heaters From 

a Stack Location 

* * * * * 

10.0 Calibration and Standardization 

* * * * * 

10.4 Field Balance Calibration Check. 

Check the calibration of the balance used to 

weigh impingers using ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precision Mass Standards’’ 

(incorporated by reference—see 40 CFR 

60.17) Class 3 tolerance (or better) weight of 

at least 500g or within 50g of a loaded 

impinger weight. Daily before use, the field 

balance must measure the weight within ± 

0.5g of the certified mass. If the daily balance 

calibration check fails, perform corrective 

measures and repeat check before use of 

balance. 

10.5 Analytical Balance Calibration. 

Perform a multipoint calibration (at least five 

points spanning the operational range) of the 

analytical balance before the first use and 

semiannually, thereafter. The calibration of 

the analytical balance must be conducted 

using ASTM E617–13 ‘‘Standard 

Specification for Laboratory Weights and 

Precision Mass Standards’’ (incorporated by 

reference—see 40 CFR 60.17) Class 2 (or 

better) tolerance weights. Audit the balance 

each day it is used for gravimetric 

measurements by weighing at least one 

ASTM E617–13 Class 2 tolerance (or better) 

calibration weight that corresponds to 50 to 

150 percent of the weight of one filter or 5g. 

If the scale cannot reproduce the value of the 

calibration weight to within 0.5 mg of the 

certified mass, perform corrective measures, 

and conduct the multipoint calibration before 

use. 

* * * * * 


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Method 5I—Determination of Low Level 

Particulate Matter Emissions From 

Stationary Sources 

* * * * * 

10. Calibration and Standardization Same as 

Method 5, Section 5 

10.1 Field Balance Calibration Check. 

Check the calibration of the balance used to 

weigh impingers using ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precision Mass Standards’’ 

(incorporated by reference—see 40 CFR 

60.17) Class 3 tolerance (or better) weight of 

at least 500g or within 50g of a loaded 

impinger weight. Daily before use, the field 

balance must measure the weight within 

±0.5g of the certified mass. If the daily 

balance calibration check fails, perform 

corrective measures and repeat check before 

use of balance. 

10.2 Analytical Balance Calibration. 

Perform a multipoint calibration (at least five 

points spanning the operational range) of the 

analytical balance before the first use and 

semiannually, thereafter. The calibration of 

the analytical balance must be conducted 

using ASTM E617–13 ‘‘Standard 

Specification for Laboratory Weights and 

Precision Mass Standards’’ (incorporated by 

reference—see 40 CFR 60.17) Class 2 (or 

better) tolerance weights. Audit the balance 

each day it is used for gravimetric 

measurements by weighing at least one 

ASTM E617–13 Class 2 tolerance (or better) 

calibration weight that corresponds to 50 to 

150 percent of the weight of one filter or 5g. 

If the scale cannot reproduce the value of the 

calibration weight to within 0.5 mg of the 

certified mass, perform corrective measures, 

and conduct the multipoint calibration before 

use. 

* * * * * 

■ 13. In appendix A–4 to part 60: 

■ a. Revise section 8.3 in Method 6C. 

■ b. Revise sections 8.1.2, 8.2.7 

introductory text, and 12.8 in Method 

7E. 

■ c. Revise sections 6.2.5 and 8.4.2 in 

Method 10. 

■ d. Add section 6.2.6 in Method 10. 

■ e. Revise sections 6.1.6, 6.1.7, 6.1.8, 

6.1.9, 6.1.10, 8.1, 8.2.1 and 8.2.3 in 

Method 10A. 

■ f. Add section 6.1.11 in Method 10A. 

■ g. Revise section 6.1 in Method 10B. 

The revisions and additions read as 

follows: 

Appendix A–4 to Part 60—Test 

Methods 6 Through 10B 

* * * * * 

Method 6C—Determination of Sulfur 

Dioxide Emissions From Stationary Sources 

(Instrumental Analyzer Procedure) 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.3 Interference Check. You must follow 

the procedures of section 8.2.7 of Method 7E 

to conduct an interference check, substituting 

SO2 for NOX as the method pollutant. For 

dilution-type measurement systems, you 

must use the alternative interference check 

procedure in section 16 and a co-located, 

unmodified Method 6 sampling train. 

* * * * * 

Method 7E—Determination of Nitrogen 

Oxides Emissions From Stationary Sources 

(Instrumental Analyzer Procedure) 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.1.2 Determination of Stratification. 

Perform a stratification test at each test site 

to determine the appropriate number of 

sample traverse points. If testing for multiple 

pollutants or diluents at the same site, a 

stratification test using only one pollutant or 

diluent satisfies this requirement. A 

stratification test is not required for small 

stacks that are less than 4 inches in diameter. 

To test for stratification, use a probe of 

appropriate length to measure the NOX (or 

pollutant of interest) concentration at twelve 

traverse points located according to Table 1– 

1 or Table 1–2 of Method 1. Alternatively, 

you may measure at three points on a line 

passing through the centroidal area. Space 

the three points at 16.7, 50.0, and 83.3 

percent of the measurement line. Sample for 

a minimum of twice the system response 

time (see section 8.2.6) at each traverse point. 

Calculate the individual point and mean NOX

concentrations. If the concentration at each 

traverse point differs from the mean 

concentration for all traverse points by no 

more than: (a) ± 5.0 percent of the mean 

concentration; or (b) ± 0.5 ppm (whichever is 

less restrictive), the gas stream is considered 

unstratified and you may collect samples 

from a single point that most closely matches 

the mean. If the 5.0 percent or 0.5 ppm 

criterion is not met, but the concentration at 

each traverse point differs from the mean 

concentration for all traverse points by not 

more than: (a) ±10.0 percent of the mean; or 

(b) ±1.0 ppm (whichever is less restrictive), 

the gas stream is considered to be minimally 

stratified, and you may take samples from 

three points. Space the three points at 16.7, 

50.0, and 83.3 percent of the measurement 

line. Alternatively, if a twelve-point 

stratification test was performed and the 

emissions were shown to be minimally 

stratified (all points within ± 10.0 percent of 

their mean or within ± 1.0 ppm), and if the 

stack diameter (or equivalent diameter, for a 

rectangular stack or duct) is greater than 2.4 

meters (7.8 ft), then you may use 3-point 

sampling and locate the three points along 

the measurement line exhibiting the highest 

average concentration during the 

stratification test, at 0.4, 1.2 and 2.0 meters 

from the stack or duct wall. If the gas stream 

is found to be stratified because the 10.0 

percent or 1.0 ppm criterion for a 3-point test 

is not met, locate twelve traverse points for 

the test in accordance with Table 1–1 or 

Table 1–2 of Method 1. 

* * * * * 

8.2.7 Interference Check. Conduct an 

interference response test of the gas analyzer 

prior to its initial use in the field. If you have 

multiple analyzers of the same make and 

model, you need only perform this 

alternative interference check on one 

analyzer. You may also meet the interference 

check requirement if the instrument 

manufacturer performs this or a similar check 

on an analyzer of the same make and model 

of the analyzer that you use and provides you 

with documented results. 

* * * * * 

12.0 Calculations and Data Analysis 

* * * * * 

12.8 NO2—NO Conversion Efficiency 

Correction. If desired, calculate the total NOX

concentration with a correction for converter 

efficiency using Equation 7E–8. 

* * * * * 

Method 10—Determination of Carbon 

Monoxide Emissions From Stationary 

Sources (Instrumental Analyzer Procedure) 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.2.5 Flexible Bag. Tedlar, or equivalent, 

with a capacity of 60 to 90 liters (2 to 3 ft3). 

(Verify through the manufacturer that the 

Tedlar alternative is suitable for CO and 

make this verified information available for 

inspection.) Leak-test the bag in the 

laboratory before using by evacuating with a 

pump followed by a dry gas meter. When the 

evacuation is complete, there should be no 

flow through the meter. 

6.2.6 Sample Tank. Stainless steel or 

aluminum tank equipped with a pressure 

indicator with a minimum volume of 4 liters. 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.4.2 Integrated Sampling. Evacuate the 

flexible bag or sample tank. Set up the 

equipment as shown in Figure 10–1 with the 

bag disconnected. Place the probe in the 

stack and purge the sampling line. Connect 

the bag, making sure that all connections are 

leak-free. Sample at a rate proportional to the 

stack velocity. If needed, the CO2 content of 

the gas may be determined by using the 


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Method 3 integrated sample procedures, or 

by weighing an ascarite CO2 removal tube 

used and computing CO2 concentration from 

the gas volume sampled and the weight gain 

of the tube. Data may be recorded on a form 

similar to Table 10–1. If a sample tank is 

used for sample collection, follow procedures 

similar to those in sections 8.1.2, 8.2.3, 8.3, 

and 12.4 of Method 25 as appropriate to 

prepare the tank, conduct the sampling, and 

correct the measured sample concentration. 

* * * * * 

Method 10A—Determination of Carbon 

Monoxide Emissions in Certifying 

Continuous Emission Monitoring Systems at 

Petroleum Refineries 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.1.6 Flexible Bag. Tedlar, or equivalent, 

with a capacity of 10 liters (0.35 ft3) and 

equipped with a sealing quick-connect plug. 

The bag must be leak-free according to 

section 8.1. For protection, it is 

recommended that the bag be enclosed 

within a rigid container. 

6.1.7 Sample Tank. Stainless steel or 

aluminum tank equipped with a pressure 

indicator with a minimum volume of 10 

liters. 

6.1.8 Valves. Stainless-steel needle valve 

to adjust flow rate, and stainless-steel 3-way 

valve, or equivalent. 

6.1.9 CO2 Analyzer. Fyrite, or equivalent, 

to measure CO2 concentration to within 0.5 

percent. 

6.1.10 Volume Meter. Dry gas meter, 

capable of measuring the sample volume 

under calibration conditions of 300 ml/min 

(0.01 ft3/min) for 10 minutes. 

6.1.11 Pressure Gauge. A water filled Utube manometer, or equivalent, of about 30 

cm (12 in.) to leak-check the flexible bag. 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.1 Sample Bag or Tank Leak-Checks. 

While a leak-check is required after bag or 

sample tank use, it should also be done 

before the bag or sample tank is used for 

sample collection. The tank should be leakchecked according to the procedure specified 

in section 8.1.2 of Method 25. The bag should 

be leak-checked in the inflated and deflated 

condition according to the following 

procedure: 

* * * * * 

8.2.1 Evacuate and leak check the sample 

bag or tank as specified in section 8.1. 

Assemble the apparatus as shown in Figure 

10A–1. Loosely pack glass wool in the tip of 

the probe. Place 400 ml of alkaline 

permanganate solution in the first two 

impingers and 250 ml in the third. Connect 

the pump to the third impinger, and follow 

this with the surge tank, rate meter, and 3- 

way valve. Do not connect the bag or sample 

tank to the system at this time. 

* * * * * 

8.2.3 Purge the system with sample gas 

by inserting the probe into the stack and 

drawing the sample gas through the system 

at 300 ml/min ± 10 percent for 5 minutes. 

Connect the evacuated bag or sample tank to 

the system, record the starting time, and 

sample at a rate of 300 ml/min for 30 

minutes, or until the bag is nearly full, or the 

sample tank reaches ambient pressure. 

Record the sampling time, the barometric 

pressure, and the ambient temperature. Purge 

the system as described above immediately 

before each sample. 

* * * * * 

Method 10B—Determination of Carbon 

Monoxide Emissions From Stationary 

Sources 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.1 Sample Collection. Same as in 

Method 10A, section 6.1 (paragraphs 6.1.1 

through 6.1.11). 

* * * * * 

■ 14. Revise section 8.3.2 in Method 15 

of appendix A–5 to part 60 to read as 

follows: 

Appendix A–5 to Part 60—Test 

Methods 11 through 15A 

* * * * * 

Method 15—Determination of Hydrogen 

Sulfide, Carbonyl Sulfide, and Carbon 

Disulfide Emissions From Stationary 

Sources 

* * * * * 

8.0 Sample Collection, Preservation, 

Transport, and Storage 

* * * * * 

8.3.2 Determination of Calibration Drift. 

After each run, or after a series of runs made 

within a 24-hour period, perform a partial 

recalibration using the procedures in section 

10.0. Only H2S (or other permeant) need be 

used to recalibrate the GC/FPD analysis 

system and the dilution system. Partial 

recalibration may be performed at the 

midlevel calibration gas concentration or at 

a concentration measured in the samples but 

not less than the lowest calibration standard 

used in the initial calibration. Compare the 

calibration curves obtained after the runs to 

the calibration curves obtained under section 

10.3. The calibration drift should not exceed 

the limits set forth in section 13.4. If the drift 

exceeds this limit, the intervening run or 

runs should be considered invalid. As an 

option, the calibration data set which gives 

the highest sample values may be chosen by 

the tester. 

* * * * * 

■ 15. In appendix A–6 to part 60: 

■ a. Revise sections 12.1 and 12.2 in 

Method 16C. 

■ b. Remove section 8.2.1.5.2.3 in 

Method 18. 

The revisions read as follows: 

Appendix A–6 to Part 60—Test 

Methods 16 through 18 

* * * * * 

Method 16C—Determination of Total 

Reduced Sulfur Emissions From Stationary 

Sources 

* * * * * 

12.0 Calculations and Data Analysis 

* * * * * 

12.1 Nomenclature. 

ACE = Analyzer calibration error, percent of 

calibration span. 

CD = Calibration drift, percent. 

CDir = Measured concentration of a 

calibration gas (low, mid, or high) when 

introduced in direct calibration mode, 

ppmv. 

CH2S = Concentration of the system 

performance check gas, ppmv H2S. 

CS = Measured concentration of the system 

performance gas when introduced in 

system calibration mode, ppmv H2S. 

CSO2 = Unadjusted sample SO2 concentration, 

ppmv. 

CTRS = Total reduced sulfur concentration 

corrected for system performance, ppmv. 

CS = Calibration span, ppmv. 

DF = Dilution system (if used) dilution factor, 

dimensionless. 

SP = System performance, percent. 

12.2 Analyzer Calibration Error. For nondilution systems, use Equation 16C–1 to 

calculate the analyzer calibration error for the 

low-, mid-, and high-level calibration gases. 

* * * * * 

■ 16. In appendix A–7 to part 60: 

■ a. Revise sections 9.1, 12.1, and 12.3 

in Method 25C. 

■ b. Remove section 11.2 in Method 

25C. 

■ c. Add sections 12.4, 12.5, 12.5.1, and 

12.5.2 in Method 25C. 

The revisions and additions read as 

follows: 

Appendix A–7 to Part 60—Test 

Methods 19 through 25E 

* * * * * 


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Method 25C—Determination of Nonmethane 

Organic Compounds (NMOC) in Landfill 

Gases 

* * * * * 

9.0 Quality Control 

* * * * * 

9.1 Miscellaneous Quality Control 

Measures. 

Section Quality control measure Effect 

8.4.2 .............................. Verify that landfill gas sample contains less than 20 percent N2 or 5 percent O2.Ensures that ambient air was not drawn into the landfill 

gas sample and gas was sampled from an appropriate 

location. 

10.1, 10.2 ...................... NMOC analyzer initial and daily performance checks ....... Ensures precision of analytical results. 

* * * * * 

12.0 Data Analysis and Calculations 

* * * * * 

12.1 Nomenclature. 

Bw = Moisture content in the sample, 

fraction. 

CN2 = N2 concentration in the diluted sample 

gas. 

CmN2 = Measured N2 concentration, fraction 

in landfill gas. 

CmOx = Measured Oxygen concentration, 

fraction in landfill gas. 

COx = Oxygen concentration in the diluted 

sample gas. 

Ct = Calculated NMOC concentration, ppmv 

C equivalent. 

Ctm = Measured NMOC concentration, ppmv 

C equivalent. 

Pb = Barometric pressure, mm Hg. 

Pt = Gas sample tank pressure after sampling, 

but before pressurizing, mm Hg absolute. 

Ptf = Final gas sample tank pressure after 

pressurizing, mm Hg absolute. 

Pti = Gas sample tank pressure after 

evacuation, mm Hg absolute. 

Pw = Vapor pressure of H2O (from Table 25C– 

1), mm Hg. 

r = Total number of analyzer injections of 

sample tank during analysis (where j = 

injection number, 1 . . . r). 

Tt = Sample tank temperature at completion 

of sampling, °K. 

Tti = Sample tank temperature before 

sampling, °K. 

Ttf = Sample tank temperature after 

pressuring, °K. 

* * * * * 

12.3 Nitrogen Concentration in the 

landfill gas. Use equation 25C–2 to calculate 

the measured concentration of nitrogen in the 

original landfill gas. 

12.4 Oxygen Concentration in the landfill 

gas. Use equation 25C–3 to calculate the 

measured concentration of oxygen in the 

original landfill gas. 

12.5 You must correct the NMOC 

Concentration for the concentration of 

nitrogen or oxygen based on which gas or 

gases passes the requirements in section 9.1. 

12.5.1 NMOC Concentration with 

nitrogen correction. Use Equation 25C–4 to 

calculate the concentration of NMOC for each 

sample tank when the nitrogen concentration 

is less than 20 percent. 

12.5.2 NMOC Concentration with oxygen 

correction. Use Equation 25C–4 to calculate 

the concentration of NMOC for each sample 

tank if the landfill gas oxygen is less than 5 

percent and the landfill gas nitrogen 

concentration is greater than 20 percent. 


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54164 Federal Register / Vol. 80, No. 173 / Tuesday, September 8, 2015 / Proposed Rules 

* * * * * 

■ 17. In appendix A–8 to part 60: 

■ a. Revise section 13.3 in Method 26. 

■ b. Revise sections 4.3, 6.1.7, 8.1.5, and 

8.1.6 in Method 26A. 

■ c. Revise section 8.2.9.3 in Method 29. 

■ d. Add section 10.4 and 10.5 in 

Method 29. 

■ e. Revise the section heading for 

section 8.1 in Method 30A. 

■ f. Revise the section heading for 

section 8.1 and section 8.3.3.8 in 

Method 30B. 

The revisions and additions read as 

follows: 

Appendix A–8 to Part 60—Test 

Methods 26 through 30B 

* * * * * 

Method 26—Determination of Hydrogen 

Chloride Emissions From Stationary Sources 

* * * * * 

13.0 Method Performance 

* * * * * 

13.3 Detection Limit. A typical IC 

instrumental detection limit for C1¥ is 0.2 

mg/ml. Detection limits for the other analyses 

should be similar. Assuming 50 ml liquid 

recovered from both the acidified impingers, 

and the basic impingers, and 0.12 dscm of 

stack gas sampled, then the analytical 

detection limit in the stack gas will be about 

0.05 ppm for HCl and Cl2, respectively. 

* * * * * 

Method 26A—Determination of Hydrogen 

Halide and Halogen Emissions From 

Stationary Sources Isokinetic Method 

* * * * * 

4.0 Interferences 

* * * * * 

4.3 Dissociating chloride salts (e.g., 

ammonium chloride) at elevated 

temperatures interfere with halogen acid 

measurement in this method. Maintaining 

particulate probe/filter temperatures at 

120 ± 14 °C (248 ± 25 °F) minimizes this 

interference. 

* * * * * 

6.0. Equipment and Supplies 

* * * * * 

6.1.7 Heating System. Any heating system 

capable of monitoring and maintaining 

temperature around the filter shall be used to 

ensure a sample gas temperature exiting the 

filter of 120 ± 14 °C (248 ± 25 °F) during 

sampling or such other temperature as 

specified by an applicable subpart of the 

standards. The monitoring and regulation of 

the temperature around the filter may be 

done with the filter temperature sensor or 

another temperature sensor. 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.1.5 Sampling Train Operation. Follow 

the general procedure given in Method 5, 

section 8.5. Maintain a temperature around 

the probe, through the filter (and cyclone, if 

used) of 120 ± 14 °C (248 ± 25 °F) or such 

other temperature as specified by an 

applicable subpart of the standards to avoid 

dissociating halogen salts and to maintain 

acid gases in the vapor phase since it is 

extremely difficult to purge acid gases off 

these components. (These components are 

not quantitatively recovered and hence any 

collection of acid gases on these components 

will result in potential under reporting these 

emissions.) For each run, record the data 

required on a data sheet such as the one 

shown in Method 5, Figure 5–3. If the 

condensate impinger becomes too full, it may 

be emptied, recharged with 50 ml of 0.1 N 

H2SO4, and replaced during the sample run. 

The condensate emptied must be saved and 

included in the measurement of the volume 

of moisture collected and included in the 

sample for analysis. The additional 50 ml of 

absorbing reagent must also be considered in 

calculating the moisture. Before the sampling 

train integrity is compromised by removing 

the impinger, conduct a leak-check as 

described in Method 5, section 8.4.2. 

8.1.6 Post-Test Moisture Removal 

(Optional). When the optional cyclone is 

included in the sampling train or when 

liquid is visible on the filter at the end of a 

sample run even in the absence of a cyclone, 

perform the following procedure. Upon 

completion of the test run, connect the 

ambient air conditioning tube at the probe 

inlet and operate the train with the filter 

heating system between 120 and 134 °C (248 

and 273 °F) at a low flow rate (e.g., DH = 1 

in. H2O) to vaporize any liquid and hydrogen 

halides in the cyclone or on the filter and 

pull them through the train into the 

impingers. After 30 minutes, turn off the 

flow, remove the conditioning tube, and 

examine the cyclone and filter for any visible 

liquid. If liquid is visible, repeat this step for 

15 minutes and observe again. Keep 

repeating until the cyclone is dry. 

Note: It is critical that this is repeated until 

the cyclone is completely dry. 

* * * * * 

Method 29—Determination of Metals 

Emissions From Stationary Sources 

* * * * * 

8.0 Sample Collection, Preservation, 

Transport, and Storage 

* * * * * 

8.2.9.3 Wash the two permanganate 

impingers with 25 ml of 8 N HCl, and place 

the wash in a separate sample container 

labeled No. 5C containing 200 ml of water. 

First, place 200 ml of water in the container. 

Then wash the impinger walls and stem with 

the 8 N HCl by turning the impinger on its 

side and rotating it so that the HCl contacts 

all inside surfaces. Use a total of only 25 ml 

of 8 N HCl for rinsing both permanganate 

impingers combined. Rinse the first 

impinger, then pour the actual rinse used for 

the first impinger into the second impinger 

for its rinse. Finally, pour the 25 ml of 8 N 

HCl rinse carefully into the container with 

the 200 ml of water. Mark the height of the 

fluid level on the outside of the container in 

order to determine if leakage occurs during 

transport. 

* * * * * 

10.0 Calibration and Standardization 

* * * * * 

10.4 Field Balance Calibration Check. 

Check the calibration of the balance used to 

weigh impingers using ASTM E617–13 

‘‘Standard Specification for Laboratory 

Weights and Precision Mass Standards’’ 

(incorporated by reference—see 40 CFR 

60.17) Class 3 tolerance (or better) weight of 

at least 500g or within 50g of a loaded 

impinger weight. Daily before use, the field 

balance must measure the weight within ± 

0.5g of the certified mass. If the daily balance 

calibration check fails, perform corrective 

measures and repeat check before use of 

balance. 

10.5 Analytical Balance Calibration. 

Perform a multipoint calibration (at least five 

points spanning the operational range) of the 

analytical balance before the first use and 

semiannually, thereafter. The calibration of 

the analytical balance must be conducted 

using ASTM E617–13 ‘‘Standard 

Specification for Laboratory Weights and 

Precision Mass Standards’’ (incorporated by 

reference—see 40 CFR 60.17) Class 2 (or 

better) tolerance weights. Audit the balance 

each day it is used for gravimetric 

measurements by weighing at least one 

ASTM E617–13 Class 2 tolerance (or better) 

calibration weight that corresponds to 50 to 

150 percent of the weight of one filter or 5 

g. If the scale cannot reproduce the value of 

the calibration weight to within 0.5 mg of the 

certified mass, perform corrective measures, 

and conduct the multipoint calibration before 

use. 

* * * * * 

Method 30A—Determination of Total Vapor 

Phase Mercury Emissions From Stationary 

Sources (Instrumental Analyzer Procedure) 

* * * * * 

8.0 Sample Collection 

* * * * * 


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8.1 Selection of Sampling Sites and 

Sampling Points. * * * 

* * * * * 

Method 30B—Determination of Total Vapor 

Phase Mercury Emissions From Coal-Fired 

Combustion Sources Using Carbon Sorbent 

Traps 

* * * * * 

8.0 Sample Collection and Handling 

* * * * * 

8.1 Selection of Sampling Sites and 

Sampling Points. * * * 

* * * * * 

8.3.3.8 Sample Handling, Preservation, 

Storage, and Transport. While the 

performance criteria of this approach 

provides for verification of appropriate 

sample handling, it is still important that the 

user consider, determine, and plan for 

suitable sample preservation, storage, 

transport, and holding times for these 

measurements. Therefore, procedures in 

ASTM D6911–15 ‘‘Standard Guide for 

Packaging and Shipping Environmental 

Samples for Laboratory Analysis’’ 

(incorporated by reference—see 40 CFR 

60.17) shall be followed for all samples, 

where appropriate. 

* * * * * 

■ 18. In appendix B to part 60: 

■ a. Add the entry ‘‘Performance 

Specification 16—Specifications and 

Test Procedures for Predictive Emission 

Monitoring Systems in Stationary 

Sources’’ at the end of the table of 

contents for appendix B to part 60. 

■ b. Add a sentence to the end of section 

8.1(2)(i) in Performance Specification 1. 

■ c. Revise sections 3.11, 6.1.1, 16.3.2, 

and Figure 2–1 in section 18.0 in 

Performance Specification 2. 

■ d. Revise section 13.2 in Performance 

Specification 3. 

■ e. Revise sections 8.3, 8.3.1, and 13.3 

in Performance Specification 4A. 

■ f. Revise sections 12.1 and 13.1 in 

Performance Specification 11. 

■ g. Revise section 9.1.2 in Performance 

Specification 15. 

■ h. Add sections 14.0 and 15.0 in 

Performance Specification 15. 

■ i. Revise the introductory text of 

section 12.2.3 in Performance 

Specification 16. 

■ j. Revise table 16–1 in Performance 

Specification 16. 

The revisions and additions read as 

follows: 

Appendix B to Part 60—Performance 

Specifications 

* * * * * 

Performance Specification 1—Specifications 

and Test Procedures for Continuous Opacity 

Monitoring Systems in Stationary Sources 

* * * * * 

8.0 What Performance Procedures Are 

Required To Comply With PS–1? 

* * * * * 

8.1 * * * 

(2) * * * 

(i) Measurement Location. * * * 

Alternatively, you may select a measurement 

location specified in paragraph 8.1(2)(ii) or 

8.1(2)(iii). 

* * * * * 

Performance Specification 2—Specifications 

and Test Procedures for SO2 and NOX

Continuous Emission Monitoring Systems in 

Stationary Sources 

* * * * * 

3.0 Definitions 

* * * * * 

3.11 Span Value means the calibration 

portion of the measurement range as 

specified in the applicable regulation or other 

requirement. If the span is not specified in 

the applicable regulation or other 

requirement, then it must be a value 

approximately equivalent to two times the 

emission standard. 

* * * * * 

6.0 Equipment and Supplies 

* * * * * 

6.1.1 Data Recorder. The portion of the 

CEMS that provides a record of analyzer 

output. The data recorder may record other 

pertinent data such as effluent flow rates, 

various instrument temperatures or abnormal 

CEMS operation. The data recorder output 

range must include the full range of expected 

concentration values in the gas stream to be 

sampled including zero and span values. 

* * * * * 

16.0 Alternative Procedures 

* * * * * 

16.3.2 For diluent CEMS: 

RA = d ̄ ; ≤0.7 percent O2 or CO2, as 

applicable. 

Note: Waiver of the relative accuracy test 

in favor of the alternative RA procedure does 

not preclude the requirements to complete 

the CD tests nor any other requirements 

specified in an applicable subpart for 

reporting CEMS data and performing CEMS 

drift checks or audits. 

* * * * * 

18.0 Tables, Diagrams, Flowcharts, and 

Validation Data 

Figure 2–1. Calibration Drift Determination 

TABLE 2–1—t-VALUES

N a t 0.975 n a t 0.975 n a t 0.975

2 12.706 7 2.447 12 2.201 

3 4.303 8 2.365 13 2.179 

4 3.182 9 2.306 14 2.160 

5 2.776 10 2.262 15 2.145 

6 2.571 11 2.228 16 2.131 

aThe values in this table are already corrected for n¥1 degrees of freedom. Use n equal to the number of individual values. 

TABLE 2–2—MEASUREMENT RANGE

Measurement point Pollutant monitor 

Diluent monitor for 

CO2 O2

1 ................................ 20–30% of span value ........................................... 5–8% by volume ......................... 4–6% by volume. 

2 ................................ 50–60% of span value ........................................... 10–14% by volume ..................... 8–12% by volume. 

Day Date and time Calibration value (C) Monitor value (M) Difference 

(C¥M) 

Percent of span 

value (C¥M)/span 

value × 100 

Low-level 


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Day Date and time Calibration value (C) Monitor value (M) Difference 

(C¥M) 

Percent of span 

value (C¥M)/span 

value × 100 

High-level 

* * * * * 

Performance Specification 3—Specifications 

and Test Procedures for O2 and CO2

Continuous Emission Monitoring Systems in 

Stationary Sources 

* * * * * 

13.0 Method Performance 

* * * * * 

13.2 CEMS Relative Accuracy 

Performance Specification. The RA of the 

CEMS must be no greater than 20.0 percent 

of the mean value of the reference method 

(RM) data when calculated using equation 3– 

1. The results are also acceptable if the result 

of Equation 3–2 is less than or equal to 1.0 

percent O2 (or CO2). 

Where: d ̄ = Absolute value of the mean of the 

differences (from Equation 2–3 of 

Performance Specification 2). 

⎢CC⎢ = Absolute value of the confidence 

coefficient (from Equation 2–5 of 

Performance Specification 2). 

* * * * * 

Performance Specification 4A— 

Specifications and Test Procedures for 

Carbon Monoxide Continuous Emission 

Monitoring Systems in Stationary Sources 

* * * * * 

8.0 Sample Collection, Preservation, 

Storage, and Transport 

* * * * * 

8.3 Response Time Test Procedure. The 

response time test applies to all types of 

CEMS, but will generally have significance 

only for extractive systems. The entire system 

is checked with this procedure including 

applicable sample extraction and transport, 

sample conditioning, gas analyses, and data 

recording. 

8.3.1 Introduce zero gas into the system. 

When the system output has stabilized (no 

change greater than 1 percent of full scale for 

30 sec), introduce an upscale calibration gas 

and wait for a stable value. Record the time 

(upscale response time) required to reach 95 

percent of the final stable value. Next, 

reintroduce the zero gas and wait for a stable 

reading before recording the response time 

(downscale response time). Repeat the entire 

procedure three times and determine the 

mean upscale and downscale response times. 

The slower or longer of the two means is the 

system response time. 

* * * * * 

13.0 Method Performance 

* * * * * 

13.3 Response Time. The CEMS response 

time shall not exceed 2.0 min to achieve 95 

percent of the final stable value. 

* * * * * 

Performance Specification 11— 

Specifications and Test Procedures for 

Particulate Matter Continuous Emission 

Monitoring Systems at Stationary Sources 

* * * * * 

12.0 What calculations and data analyses 

are needed? 

* * * * * 


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12.1 How do I calculate upscale drift and 

zero drift? You must determine the difference 

in your PM CEMS output readings from the 

established reference values (zero and 

upscale check values) after a stated period of 

operation during which you performed no 

unscheduled maintenance, repair, or 

adjustment. 

(1) Calculate the upscale drift (UD) using 

Equation 11–1: 

Where: 

UD = The upscale (high-level) drift of your 

PM CEMS in percent, 

RCEM = The measured PM CEMS response to 

the upscale reference standard, and 

RU = The pre-established numerical value of 

the upscale reference standard. 

Rr = The response range of the analyzer. 

(2) Calculate the zero drift (ZD) using 

Equation 11–2: 

Where: 

ZD = The zero (low-level) drift of your PM 

CEMS in percent, 

RCEM = The measured PM CEMS response to 

the zero reference standard, 

RL = The pre-established numerical value of 

the zero reference standard, and 

Rr = The response range of the analyzer. 

* * * * * 

13.0 What are the performance criteria for 

my PM CEMS? 

* * * * * 

13.1 What is the 7-day drift check 

performance specification? Your daily PM 

CEMS internal drift checks must demonstrate 

that the average daily drift of your PM CEMS 

does not deviate from the value of the 

reference light, optical filter, Beta attenuation 

signal, or other technology-suitable reference 

standard by more than 2 percent of the 

response range. If your CEMS includes 

diluent and/or auxiliary monitors (for 

temperature, pressure, and/or moisture) that 

are employed as a necessary part of this 

performance specification, you must 

determine the calibration drift separately for 

each ancillary monitor in terms of its 

respective output (see the appropriate 

performance specification for the diluent 

CEMS specification). None of the calibration 

drifts may exceed their individual 

specification. 

* * * * * 

Performance Specification 15—Performance 

Specification for Extractive FTIR Continuous 

Emissions Monitor Systems in Stationary 

Sources 

* * * * * 

9.0 Quality Control 

* * * * * 

9.1.2 Test Procedure. Spike the audit 

sample using the analyte spike procedure in 

section 11. The audit sample is measured 

directly by the FTIR system (undiluted) and 

then spiked into the effluent at a known 

dilution ratio. Measure a series of spiked and 

unspiked samples using the same procedures 

as those used to analyze the stack gas. 

Analyze the results using sections 12.1 and 

12.2. The measured concentration of each 

analyte must be within ±5 percent of the 

expected concentration (plus the 

uncertainty), i.e., the calculated correction 

factor must be within 0.93 and 1.07 for an 

audit with an analyte uncertainty of ±2 

percent. 

* * * * * 

14.0 Pollution Prevention [Reserved] 

15.0 Waste Management [Reserved] 

* * * * * 

Performance Specification 16— 

Specifications and Test Procedures for 

Predictive Emission Monitoring Systems in 

Stationary Sources 

* * * * * 

12.0 Calculations and Data Analysis 

* * * * * 

12.2.3 Confidence Coefficient. Calculate 

the confidence coefficient using Equation 16– 

3 and Table 16–1 for n¥1 degrees of 

freedom. 

* * * * * 

17.0 Tables, Diagrams, Flowcharts, and 

Validation Data 

TABLE 16–1—t-VALUES FOR ONESIDED, 97.5 PERCENT CONFIDENCE

INTERVALS FOR SELECTED SAMPLE

SIZES * 

n¥1 t0.025

1 ................................................ 12.706 

2 ................................................ 4.303 

3 ................................................ 3.182 

4 ................................................ 2.776 

5 ................................................ 2.571 

6 ................................................ 2.447 

7 ................................................ 2.365 

8 ................................................ 2.306 

9 ................................................ 2.262 

10 .............................................. 2.228 

11 .............................................. 2.201 

TABLE 16–1—t-VALUES FOR ONESIDED, 97.5 PERCENT CONFIDENCE

INTERVALS FOR SELECTED SAMPLE

SIZES *—Continued 

n¥1 t0.025

12 .............................................. 2.179 

13 .............................................. 2.160 

14 .............................................. 2.145 

15 .............................................. 2.131 

16 .............................................. 2.120 

17 .............................................. 2.110 

18 .............................................. 2.101 

19 .............................................. 2.093 

20 .............................................. 2.086 

21 .............................................. 2.080 

22 .............................................. 2.074 

23 .............................................. 2.069 

24 .............................................. 2.064 

25 .............................................. 2.060 

26 .............................................. 2.056 

27 .............................................. 2.052 

>28 ............................................ t-Table 

* n¥1 equals the degrees of freedom. 

* * * * * 

■ 19. Revise section 12.0 paragraphs (3) 

and (4) in Procedure 2 of appendix F to 

part 60 to read as follows: 

Appendix F to Part 60—Quality 

Assurance Procedures 

* * * * * 

Procedure 2—Quality Assurance 

Requirements for Particulate Matter 

Continuous Emission Monitoring Systems at 

Stationary Sources 

* * * * * 

12.0 What calculations and data analysis 

must I perform for my PM CEMS? 

* * * * * 

(3) How do I calculate daily upscale and 

zero drift? You must calculate the upscale 

drift using Equation 2–2 and the zero drift 

using Equation 2–3: 


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Where: 

UD = The upscale drift of your PM CEMS, 

in percent, 

RCEM = Your PM CEMS response to the 

upscale check value, and 

RU = The upscale check value. 

Rr = The response range of the analyzer. 

Where: 

ZD = The zero (low-level) drift of your PM 

CEMS, in percent, 

RCEM = Your PM CEMS response of the zero 

check value, 

RL = The zero check value. 

Rr = The response range of the analyzer. 

(4) How do I calculate SVA accuracy? You 

must use Equation 2–4 to calculate the 

accuracy, in percent, for each of the three 

SVA tests or the daily sample volume check: 

Where: 

VM = Sample gas volume determined/

reported by your PM CEMS (e.g., dscm), 

VR = Sample gas volume measured by the 

independent calibrated reference device 

(e.g., dscm) for the SVA or the reference 

value for the daily sample volume check. 

Note: Before calculating SVA accuracy, you 

must correct the sample gas volumes 

measured by your PM CEMS and the 

independent calibrated reference device to 

the same basis of temperature, pressure, and 

moisture content. You must document all 

data and calculations. 

* * * * * 

PART 61–NATIONAL EMISSION 

STANDARDS FOR HAZARDOUS AIR 

POLLUTANTS 

■ 20. The authority citation for part 61 

continues to read as follows: 

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

■ 21. In § 61.13, revise paragraph 

(e)(1)(i) to read as follows: 

§ 61.13 Emission tests and waiver of 

emission tests. 

* * * * * 

(e) * * * 

(1) * * * 

(i) The source owner, operator, or 

representative of the tested facility shall 

obtain an audit sample, if commercially 

available, from an AASP for each test 

method used for regulatory compliance 

purposes. No audit samples are required 

for the following test methods: Methods 

3A and 3C of appendix A–3 of part 60 

of this chapter; Methods 6C, 7E, 9, and 

10 of appendix A–4 of part 60; Method 

18 and 19 of appendix A–6 of part 60; 

Methods 20, 22, and 25A of appendix 

A–7 of part 60; Methods 30A and 30B 

of appendix A–8 of part 60; and 

Methods 303, 318, 320, and 321 of 

appendix A of part 63 of this chapter. 

If multiple sources at a single facility are 

tested during a compliance test event, 

only one audit sample is required for 

each method used during a compliance 

test. The compliance authority 

responsible for the compliance test may 

waive the requirement to include an 

audit sample if they believe that an 

audit sample is not necessary. 

‘‘Commercially available’’ means that 

two or more independent AASPs have 

blind audit samples available for 

purchase. If the source owner, operator, 

or representative cannot find an audit 

sample for a specific method, the owner, 

operator, or representative shall consult 

the EPA Web site at the following URL, 

www.epa.gov/ttn/emc, to confirm 

whether there is a source that can 

supply an audit sample for that method. 

If the EPA Web site does not list an 

available audit sample at least 60 days 

prior to the beginning of the compliance 

test, the source owner, operator, or 

representative shall not be required to 

include an audit sample as part of the 

quality assurance program for the 

compliance test. When ordering an 

audit sample, the source owner, 

operator, or representative shall give the 

sample provider an estimate for the 

concentration of each pollutant that is 

emitted by the source or the estimated 

concentration of each pollutant based 

on the permitted level and the name, 

address, and phone number of the 

compliance authority. The source 

owner, operator, or representative shall 

report the results for the audit sample 

along with a summary of the emission 

test results for the audited pollutant to 

the compliance authority and shall 

report the results of the audit sample to 

the AASP. The source owner, operator, 

or representative shall make both 

reports at the same time and in the same 

manner or shall report to the 

compliance authority first and then 

report to the AASP. If the method being 

audited is a method that allows the 

samples to be analyzed in the field and 

the tester plans to analyze the samples 

in the field, the tester may analyze the 

audit samples prior to collecting the 

emission samples provided a 

representative of the compliance 

authority is present at the testing site. 

The tester may request, and the 

compliance authority may grant, a 

waiver to the requirement that a 

representative of the compliance 

authority must be present at the testing 

site during the field analysis of an audit 

sample. The source owner, operator, or 

representative may report the results of 

the audit sample to the compliance 

authority and then report the results of 

the audit sample to the AASP prior to 

collecting any emission samples. The 

test protocol and final test report shall 

document whether an audit sample was 

ordered and utilized and the pass/fail 

results as applicable. 

* * * * * 

■ 22. Revise the section heading for 

section 11.7.3 in Method 107 of 

appendix B to part 61 to read as follows: 

Appendix B to Part 61—Test Methods 

* * * * * 

Method 107—Determination of Vinyl 

Chloride Content of In-Process Wastewater 

Samples, and Vinyl Chloride Content of 

Polyvinyl Chloride Resin Slurry, Wet Cake, 

and Latex Samples 

* * * * * 

11.0 Analytical Procedure 

* * * * * 

11.7.3 Dispersion Resin Slurry and Latex 

Samples. * * * 

* * * * * 

PART 63—NATIONAL EMISSION 

STANDARDS FOR HAZARDOUS AIR 

POLLUTANTS FOR SOURCE 

CATEGORIES 

■ 23. The authority citation for part 63 

continues to read as follows: 

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

■ 24. In § 63.7: 

■ a. Revise paragraph (c)(2)(iii)(A). 

■ b. Add paragraph (g)(2). 

The revision and addition read as 

follows: 


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§ 63.7 Performance testing requirements. 

* * * * * 

(c) * * * 

(2) * * * 

(iii) * * * 

(A) The source owner, operator, or 

representative of the tested facility shall 

obtain an audit sample, if commercially 

available, from an AASP for each test 

method used for regulatory compliance 

purposes. No audit samples are required 

for the following test methods: Methods 

3A and 3C of appendix A–3 of part 60 

of this chapter; Methods 6C, 7E, 9, and 

10 of appendix A–4 of part 60; Methods 

18 and 19 of appendix A–6 of part 60; 

Methods 20, 22, and 25A of appendix 

A–7 of part 60; Methods 30A and 30B 

of appendix A–8 of part 60; and 

Methods 303, 318, 320, and 321 of 

appendix A of this part. If multiple 

sources at a single facility are tested 

during a compliance test event, only one 

audit sample is required for each 

method used during a compliance test. 

The compliance authority responsible 

for the compliance test may waive the 

requirement to include an audit sample 

if they believe that an audit sample is 

not necessary. ‘‘Commercially 

available’’ means that two or more 

independent AASPs have blind audit 

samples available for purchase. If the 

source owner, operator, or 

representative cannot find an audit 

sample for a specific method, the owner, 

operator, or representative shall consult 

the EPA Web site at the following URL, 

www.epa.gov/ttn/emc, to confirm 

whether there is a source that can 

supply an audit sample for that method. 

If the EPA Web site does not list an 

available audit sample at least 60 days 

prior to the beginning of the compliance 

test, the source owner, operator, or 

representative shall not be required to 

include an audit sample as part of the 

quality assurance program for the 

compliance test. When ordering an 

audit sample, the source owner, 

operator, or representative shall give the 

sample provider an estimate for the 

concentration of each pollutant that is 

emitted by the source or the estimated 

concentration of each pollutant based 

on the permitted level and the name, 

address, and phone number of the 

compliance authority. The source 

owner, operator, or representative shall 

report the results for the audit sample 

along with a summary of the emission 

test results for the audited pollutant to 

the compliance authority and shall 

report the results of the audit sample to 

the AASP. The source owner, operator, 

or representative shall make both 

reports at the same time and in the same 

manner or shall report to the 

compliance authority first and then 

report to the AASP. If the method being 

audited is a method that allows the 

samples to be analyzed in the field and 

the tester plans to analyze the samples 

in the field, the tester may analyze the 

audit samples prior to collecting the 

emission samples provided a 

representative of the compliance 

authority is present at the testing site. 

The tester may request, and the 

compliance authority may grant, a 

waiver to the requirement that a 

representative of the compliance 

authority must be present at the testing 

site during the field analysis of an audit 

sample. The source owner, operator, or 

representative may report the results of 

the audit sample to the compliance 

authority and then report the results of 

the audit sample to the AASP prior to 

collecting any emission samples. The 

test protocol and final test report shall 

document whether an audit sample was 

ordered and utilized and the pass/fail 

results as applicable. 

* * * * * 

(g) * * * 

(2) Contents of report (electronic or 

paper submitted copy). Unless 

otherwise specified in a relevant 

standard or test method, or as otherwise 

approved by the Administrator in 

writing, results of a performance test 

shall include general identification 

information for the facility including a 

mailing address, the actual address, the 

owner or operator or responsible official 

(where they are applicable) or an 

appropriate representative and an email 

address for this person, and the 

appropriate Federal Registry System 

(FRS) number for the facility; the 

purpose of the test including the 

regulation requiring the test, the 

pollutant being measured, the units of 

the standard or the pollutant emissions 

units, and any process parameter 

component; a brief process description; 

a complete unit description, including a 

description of feed streams and control 

devices, the appropriate source 

classification code (SCC), and the 

latitude and longitude of the emission 

point being tested, and the permitted 

maximum process rate (where 

applicable); sampling site description; 

description of sampling and analysis 

procedures and any modifications to 

standard procedures; quality assurance 

procedures; record of operating 

conditions, including operating 

parameters for which limits are being 

set, during the test; record of 

preparation of standards; record of 

calibrations; raw data sheets for field 

sampling; raw data sheets for field and 

laboratory analyses; chain-of-custody 

documentation; explanation of 

laboratory data qualifiers; example 

calculations of all applicable stack gas 

parameters, emission rates, percent 

reduction rates, and analytical results, 

as applicable; identification information 

for the company conducting the 

performance test including a contact 

person and his/her email address; and 

any other information required by the 

test method, a relevant standard, or the 

Administrator. 

* * * * * 

■ 25. Revise sections 13.1, 13.4, and 

13.4.1 in Method 320 of appendix A to 

part 63 to read as follows: 

Appendix A to Part 63—Test Methods 

Pollutant Measurement Methods From 

Various Waste Media 

* * * * * 

Test Method 320—Measurement of Vapor 

Phase Organic and Inorganic Emissions by 

Extractive Fourier Transform Infrared 

(FTIR) Spectroscopy 

* * * * * 

13.0 Method Validation Procedure 

* * * * * 

13.1 Section 6.0 of Method 301 (40 CFR 

part 63, appendix A), the Analyte Spike 

procedure, is used with these modifications. 

The statistical analysis of the results follows 

section 12.0 of EPA Method 301. Section 3 

of this method defines terms that are not 

defined in Method 301. 

* * * * * 

13.4 Statistical Treatment. The statistical 

procedure of EPA Method 301 of this 

appendix, section 12.0 is used to evaluate the 

bias and precision. For FTIR testing a 

validation ‘‘run’’ is defined as spectra of 24 

independent samples, 12 of which are spiked 

with the analyte(s) and 12 of which are not 

spiked. 

13.4.1 Bias. Determine the bias (defined 

by EPA Method 301 of this appendix, section 

12.1.1) using equation 7: 

B = SM ¥ CS (7) 

Where: 

B = Bias at spike level. 

Sm = Mean concentration of the analyte 

spiked samples. 

CS = Expected concentration of the spiked 

samples. 

* * * * * 

[FR Doc. 2015–20768 Filed 9–4–15; 8:45 am] 

BILLING CODE 6560–50–P 


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