3636 Federal Register / Vol. 83, No. 18 / Friday, January 26, 2018 / Proposed Rules 
3See HUD, Manufactured Housing Consensus 
Committee, https://www.hud.gov/program_ offices/ 
housing/rmra/mhs/cc1. Committee, a statutory Federal Advisory 
Committee body.3Given the significant 
role that manufactured housing plays in providing affordable housing, HUD has determined that it should undertake a substantive review of all current and planned federal regulation of manufactured housing. This review is intended to ensure that HUD can more effectively meet its responsibilities to facilitate the availability of affordable manufactured homes and encourage innovation and cost-effective construction techniques for manufactured housing while continuing to protect consumers by ensuring quality, durable, safe and affordable manufactured homes. 
In conducting this review, HUD 
believes that it would benefit from information and perspectives among state, local and tribal officials, experts in relevant disciplines, affected stakeholders in the private sector and the public as a whole. HUD is, therefore, requesting comment on all current and planned regulatory actions affecting manufactured housing. HUD specifically seeks comment on: 
•Rules listed in its Unified Agenda 
of Regulatory and Deregulatory Actions regulations, including rules to update its Manufactured Home Construction and Safety Standards (FR–5739), and exempt Recreational Vehicles from its Manufactured Home Construction and Safety Standards and Procedural and Enforcement Regulations (FR–5787). 
•How HUD should proceed with its 
Interpretative Bulletin that provides guidance for designing and installing manufactured home foundations in areas subject to freezing temperatures with seasonal ground freezing. 
•The effectiveness of HUD’s on-site 
completion of construction regulations, its Subpart I notification and corrections procedures, and its Alternative Construction approval process, both overall and specifically in review of manufactured homes with a carport- ready design or any other similar design that would permit the construction of an add-on at the final home site, that is not structurally independent from the home’s structure, support and anchoring systems. 
HUD does not anticipate moving 
forward with any manufactured housing program regulations pending completion of its review. HUD may make exceptions, however, on individual rules based on policy priorities or revised circumstances. To assist in the formulation of 
comments, HUD encourages commenters to consider how HUD’s manufactured housing regulatory agenda may be streamlined to reduce or eliminate costs and overall burden while ensuring that HUD can continue to meet its statutory responsibilities under the Manufactured Home construction and Safety Standards Act of 1974 (42 U.S.C. 5401 et seq.), as amended. 
Dated: January 8, 2018. 
Dana T. Wade, 
General Deputy Assistant Secretary for 
Housing. 
[FR Doc. 2018–01276 Filed 1–25–18; 8:45 am] 
BILLING CODE 4210–67–P 
ENVIRONMENTAL PROTECTION 
AGENCY 
40 CFR Parts 51, 60, and 63 
[EPA–HQ–OAR–2016–0510; FRL–9972–22– 
OAR] 
RIN 2060–AS95 
Revisions to Testing Regulations for 
Air Emission Sources 
AGENCY : Environmental Protection 
Agency (EPA). 
ACTION : Proposed rule. 
SUMMARY : This action proposes 
corrections and updates to regulations for source testing of emissions. The proposed rule includes corrections to testing provisions that contain inaccuracies, updates to outdated procedures, and approved alternative procedures that provide testers enhanced flexibility. The revisions will improve the quality of data but will not impose new substantive requirements on source owners or operators. 
DATES : Comments. Written comments 
must be received by March 27, 2018. 
Public Hearing. The EPA will hold a 
public hearing on this rule if requested. Requests for a hearing must be made by February 5, 2018. Requests for a hearing should be made to Mrs. Lula H. Melton via email at melton.lula@epa.gov or by 
phone at (919) 541–2910. If a hearing is requested, it will be held on February 26, 2018 at EPA Headquarters, William Jefferson Clinton East Building, 1201 Constitution Avenue NW, Washington, DC 20004. 
ADDRESSES : Submit your comments, 
identified by Docket ID No. EPA–HQ– OAR–2016–0510 at http://www.regulations.gov. Follow the online 
instructions for submitting comments. Once submitted, comments cannot be edited or removed from Regulations.gov. The EPA may publish any comment received to its public docket. Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make. The EPA will generally not consider comments or comment contents located outside of the primary submission (i.e., on the Web, Cloud, or 
other file sharing system). For additional submission methods, the full EPA public comment policy, information about CBI or multimedia submissions, and general guidance on making effective comments, please visit http://www.epa.gov/dockets/ commenting-epa-dockets. 
All documents in the docket are listed 
on the https://www.regulations.gov website. Although listed on the website, 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, is not placed on the internet and will be publicly available only in hard copy. Publicly available docket materials are available either electronically at http://www.regulations.gov or in hard copy at 
the EPA Docket Center, Room 3334, EPA WJC West Building, 1301 Constitution Avenue NW, Washington, DC 20004. 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 : Mrs. 
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 action is the agency taking? 
II. Background III. Summary of Proposed Amendments 
A. Method 201A of Appendix M of Part 51 B. Method 204 of Appendix M of Part 51 C. Method 205 of Appendix M of Part 51 
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D. General Provisions (Subpart A) of Part 
60 
E. Fossil-Fuel-Fired Steam Generators 
(Subpart D) Part 60 
F. Electric Utility Steam Generating Units 
(Subpart Da) Part 60 
G. Industrial-Commercial-Institutional 
Steam Generating Units (Subpart Db) 
Part 60 
H. Small Industrial-Commercial- 
Institutional Steam Generating Units (Subpart Dc) Part 60 
I. Municipal Waste Combustors for Which 
Construction is Commenced After December 20, 1989 and on or Before September 20, 1994 (Subpart Ea) Part 60 
J. Glass Manufacturing Plants (Subpart CC) 
Part 60 
K. New Residential Wood Heaters, New 
Residential Hydronic Heaters and Forced-Air Furnaces (Subpart QQQQ) Part 60 
L. Method 2B of Appendix A–1 of Part 60 M. Method 5 of Appendix A–3 of Part 60 N. Method 5B of Appendix A–3 of Part 60 O. Method 5I of Appendix A–3 of Part 60 P. Method 7 of Appendix A–4 of Part 60 Q. Method 8 of Appendix A–4 of Part 60 R. Method 18 of Appendix A–6 of Part 60 S. Method 22 of Appendix A–7 of Part 60 T. Method 26 of Appendix A–8 of Part 60 U. Method 26A of Appendix A–8 of Part 
60 
V. Test Method 28WHH of Appendix A–8 
of Part 60 
W. Performance Specification 1 of 
Appendix B of Part 60 
X. Performance Specification 2 of 
Appendix B of Part 60 
Y. Performance Specification 3 of 
Appendix B of Part 60 
Z. Performance Specification 11 of 
Appendix B of Part 60 
AA. Performance Specification 15 of 
Appendix B of Part 60 
BB. Performance Specification 18 of 
Appendix B of Part 60 
CC. Procedure 1 of Appendix F of Part 60 
DD. General Provisions (Subpart A) of Part 
63 
EE. Wool Fiberglass Manufacturing 
(Subpart NNN) Part 63 
FF. Major Sources: Industrial, Commercial, 
and Institutional Boilers and Process Heaters (Subpart DDDDD) Part 63 
GG. Coal- and Oil-Fired Electric Utility 
Steam Generating Units (Subpart UUUUU) Part 63 
HH. Method 303 of Appendix A of Part 63 II. Method 308 of Appendix A of Part 63 JJ. Method 320 of Appendix A of Part 63 KK. Method 323 of Appendix A of Part 63 LL. Method 325A of Appendix A of Part 63 MM. Method 325B of Appendix A of Part 
63 
IV. Statutory and Executive Order Reviews 
A. Executive Order 12866: Regulatory 
Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review 
B. Executive Order 13771: Reducing 
Regulations and Controlling Regulatory Costs 
C. Paperwork Reduction Act (PRA) D. Regulatory Flexibility Act (RFA) E. Unfunded Mandates Reform Act 
(UMRA) F. Executive Order 13132: Federalism 
G. Executive Order 13175: Consultation 
and Coordination With Indian Tribal Governments 
H. Executive Order 13045: Protection of 
Children From Environmental Health Risks and Safety Risks 
I. Executive Order 13211: Actions 
Concerning Regulations That Significantly Affect Energy Supply, Distribution or Use 
J. National Technology Transfer and 
Advancement Act and 1 CFR Part 51 
K. 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 subject to the current 
provisions of parts 51, 60, and 63. 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 in numerous NAICS categories. 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 action is the agency taking? 
This action makes corrections and 
revisions to source test methods, 
performance specifications (PS), quality assurance/quality control (QA/QC) procedures, and testing regulations. The corrections and revisions consist primarily of typographical errors, updates to testing procedures, and the addition of alternative equipment and methods the Agency has deemed acceptable to use. 
II. Background 
The EPA catalogs errors and 
corrections, as well as necessary 
revisions to test methods, PS, QA/QC procedures, and associated regulations in 40 CFR parts 51, 60, and 63 and periodically updates and revises these provisions. The most recent updates and revisions were promulgated on August 30, 2016 (81 FR 59800). This proposed rule addresses necessary corrections and revisions identified subsequent to that final action, many of which were brought to our attention by regulated sources and end-users, such as environmental consultants and compliance professionals. These revisions will improve the quality of data obtained and give source testers the flexibility to use newly-approved alternative procedures. III. Summary of Proposed Amendments 
The following amendments are being 
proposed. 
A. Method 201A of Appendix M of Part 
51 
In Method 201A, in section 12.5, the 
denominator of equation 24 would be corrected. 
B. Method 204 of Appendix M of Part 
51 
In Method 204, in section 8.2, the 
statement regarding equation 204–2 would be corrected to ‘‘The NEAR must be ≤0.05.’’ 
C. Method 205 of Appendix M of Part 51 
In Method 205, section 2.1.1 would be 
revised to allow the use of National Institute of Standards and Technology (NIST)-traceable transfer standards to calibrate the gas dilution system because these standards are widely available and provide the accuracy necessary to perform the calibration. Section 2.1.1 would also be revised to require testers to report the results of the calibration of the dilution system to enable the regulatory authority to review this information. 
D. General Provisions (Subpart A) of 
Part 60 
In the General Provisions of part 60, 
section 60.17(h) would be revised to add American Society for Testing and Materials (ASTM) D6216–12 to the list of incorporations by reference and to re- number the remaining consensus standards that are incorporated by reference in alpha-numeric order. 
E. Fossil-Fuel-Fired Steam Generators 
(Subpart D) Part 60 
In subpart D, the allowed filter 
temperature in section 60.46(b)(2)(i) would be revised from 160 ±14 °C to 160 
±5 °C resulting in increased precision of 
the filterable PM measurements. 
F. Electric Utility Steam Generating 
Units (Subpart Da) Part 60 
In subpart Da, the allowed filter 
temperature in section 60.50Da (b)(1)(ii)(A) would be revised from 160 ±14 °C to 160 ±5 °C resulting in 
increased precision of the filterable PM measurements. 
G. Industrial-Commercial-Institutional 
Steam Generating Units (Subpart Db) Part 60 
In subpart Db, the allowed filter 
temperature in section 60.46b(d)(4) would be revised from 160 ±14 °C to 160 
±5 °C resulting in increased precision of 
the filterable PM measurements. 
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H. Small Industrial-Commercial- 
Institutional Steam Generating Units (Subpart Dc) Part 60 
In subpart Dc, the allowed filter 
temperature in section 60.45c(a)(5) would be revised from 160 ±14 °C to 160 
±5 °C resulting in increased precision of 
the filterable PM measurements. 
I. Municipal Waste Combustors for 
Which Construction Is Commenced After December 20, 1989 and on or Before September 20, 1994 (Subpart Ea) Part 60 
In subpart Ea, the allowed filter 
temperature in section 60.58a(b)(3) would be revised from 160 ±14 °C to 160 
±5 °C resulting in increased precision of 
the filterable PM measurements. 
J. Glass Manufacturing Plants (Subpart 
CC) Part 60 
In subpart CC, the allowed filter 
temperature in section 60.293(f) would be revised from 120 ±14 °C to 120 ±5 °C 
resulting in increased precision of the filterable particulate matter (PM) measurements. The allowed filter temperature in section 60.296(d)(2) would be revised from 177 ±14 °C to 177 
±5 °C resulting in increased precision of 
the filterable PM measurements. 
K. New Residential Wood Heaters, New 
Residential Hydronic Heaters and Forced-Air Furnaces Part 60 
In subpart QQQQ, in Method 28WHH, 
in section 13.5.1, equation 8 would be corrected. 
L. Method 2B of Appendix A–1 of Part 
60 
In Method 2B, in section 12.1, the 
definition of ambient carbon dioxide concentration would be revised because the global monthly mean (CO
2)a 
concentration varies over time. Also, a website link would be added to the definition. 
M. Method 5 of Appendix A–3 of Part 
60 
The allowed filter temperature in 
Method 5, sections 2.0, 6.1.1.2, 6.1.1.6, 6.1.1.7, and 8.5 would be revised from 120 ±14 °C to 120 ±5 °C resulting in 
increased precision of the filterable PM measurements. Section 6.1.1.9 would be revised to allow the use of a single temperature sensor in lieu of two temperature sensors on the dry gas meter as allowed by Technical Information Document 19 (TID–19) and the approved broadly applicable alternative, ALT–117 (see https://www.epa.gov/emc). N. Method 5B of Appendix A–3 of Part 60 
The allowed filter temperature in 
Method 5B, sections 2.0, 6.1, and 8.2 would be revised from 160 ±14 °C to 160 
±5 °C resulting in increased precision of 
the filterable PM measurements. Section 11.0 would be revised to replace the reference to Method 5, section 11.0 with specific analytical procedures and to report the results using Figure 5B–1 for complete data review. Section 17.0 would be revised to delete the word ‘‘Reserved’’ from the title, and Figure 5B–1 (Analytical Data Sheet) would be added. 
O. Method 5I of Appendix A–3 of Part 
60 
In Method 5I, sections 2.1 and 8.5.2.2 
would be revised to tighten the allowed filter temperature from 120 ±14 °C to 
120 ±5 °C resulting in increased 
precision of the filterable PM measurements. 
P. Method 7 of Appendix A–4 of Part 60 
In Method 7, sections 10.1.2 and 11.3 
reference erroneous sections; the correct 
sections would be inserted. 
Q. Method 8 of Appendix A–4 of Part 60 
In Method 8, sections 6.1.1.1 through 
6.1.1.4 would be renumbered to 6.1.1.2 
through 6.1.1.5; a new section 6.1.1.1 would be added to clarify the requirements that apply to the probe nozzle; and Figure 8–1 (Sulfuric Acid Sampling Train) would be corrected. 
R. Method 18 of Appendix A–6 of Part 
60 
In Method 18, in section 13.1, the 
erroneous paragraph (c) designation would be re-designated as (b). 
S. Method 22 of Appendix A–7 of Part 
60 
In Method 22, sections 11.2.1 and 
11.2.2 would be revised to allow digital photography to be used for a subset of the recordkeeping requirements. Section 11.2.3 would be added to allow digital photographic records. Note that ALT– 109 (see https://www.epa.gov/emc) is the associated broadly applicable alternative that allows the use of digital photographs for specific recordkeeping requirements. 
T. Method 26 of Appendix A–8 of Part 
60 
In Method 26, section 6.2.2 would be 
revised to allow the use of glass sample storage containers as an option to allow flexibility and to be consistent with Method 26A. U. Method 26A of Appendix A–8 of Part 60 
In Method 26A, section 6.2.1 would 
be revised to remove the language regarding sample storage containers. We have determined that high-density polyethylene is an acceptable material for sample storage containers in addition to the currently allowed glass. Therefore, we would allow both high- density polyethylene and glass in a new section 6.2.4. 
V. Test Method 28WHH of Appendix 
A–8 of Part 60 
In Test Method 28WHH, equation 8 in 
section 13.5.1 would be corrected. 
W. Performance Specification 1 of 
Appendix B of Part 60 
In Performance Specification 1, 
references to ASTM D6216–98 (in sections 2.1, 3.1, 6.1, 8.1(1), 8.1(3)(ii), 8.2(1), 8.2(2), 8.2(3), 9.0, 12.1, 13.1, 13.2, and 16.0 reference 8. will be replaced with ASTM D6216–12. Note: If the initial certification of the continuous opacity monitoring system (COMS) has already occurred using D6216–98, D6216–03, or D6216–07, it will not be necessary to recertify using D6216–12. 
X. Performance Specification 2 of 
Appendix B of Part 60 
In Performance Specification 2, 
section 13.2 would be replaced with a table that indicates the relative accuracy performance specifications. 
Y. Performance Specification 3 of 
Appendix B of Part 60 
In Performance Specification 3, the 
two sentences in section 12.0 that read, ‘‘Calculate the arithmetic difference between the RM and the CEMS output for each run. The average difference of the nine (or more) data sets constitute the RA.’’ would be deleted; these two sentences are no longer necessary since equations 3–1 and 3–2 would be moved from section 13.2 to section 12.0. 
Z. Performance Specification 11 of 
Appendix B of Part 60 
In Performance Specification 11, 
section 13.1, the word ‘‘average’’ erroneously exists in the second sentence and would be deleted. 
AA. Performance Specification 15 of 
Appendix B of Part 60 
In Performance Specification 15, 
section 13.0 would be added as ‘‘Method Performance (Reserved).’’ 
BB. Performance Specification 18 of 
Appendix B of Part 60 
In Performance Specification 18, in 
section 11.8.7, the last sentence would 
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be revised to clarify the duration of the 
drift check. In Table 1, the erroneous acronym ‘‘NO
2’’ would be replaced with 
‘‘NO.’’ In the appendix of Performance Specification 18, the inadvertently omitted reserved section 12.0 would be added. 
CC. Procedure 1 of Appendix F of Part 
60 
In Procedure 1, in section 5.1.2 (1), 
the sentence immediately following the table that reads, ‘‘Challenge the CEMS three times at each audit point, and use the average of the three responses in determining accuracy.’’ would be replaced with, ‘‘Inject each of the audit gases, three times each for a total of six injections. Inject the gases in such a manner that the entire CEMS is challenged. Do not inject the same gas concentration twice in succession.’’ In section 5.1.2 (3), the reference to EPA’s traceability protocol for gaseous calibration standards would be updated, and the language regarding the use of EPA Method 205 for dilution of audit gases would be clarified. 
DD. General Provisions (Subpart A) of 
Part 63 
Sections 63.7(g)(2), 63.7(g)(2)(v), and 
63.8(e)(5)(i) of the General Provisions (subpart A) of part 63 would be revised to require the reporting of specific test data for continuous monitoring system performance evaluation tests and ongoing QA tests. These data elements would be required regardless of the format of the report, i.e., electronic or 
paper. These modifications will ensure that performance evaluation and quality assurance test reporting include all data necessary for the compliance authority to assess and assure the quality of the reported data and that the reported information describes and identifies the specific unit covered by the evaluation test report. 
EE. Wool Fiberglass Manufacturing 
(Subpart NNN) Part 63 
In subpart NNN, the allowed filter 
temperature in § 63.1385(a)(5) would be revised from 120 ±14 °C to 120 ±5 °C 
resulting in increased precision of the filterable PM measurements. 
FF. Major Sources: Industrial, 
Commercial, and Institutional Boilers and Process Heaters (Subpart DDDDD) Part 63 
In Table 6 of subpart DDDDD, row 1.f. 
would be revised to allow the use of EPA SW–846–7471B (for liquid samples) in addition to EPA SW–846– 7470A for measuring mercury to allow flexibility. GG. Coal- and Oil-Fired Electric Utility 
Steam Generating Units (Subpart UUUUU) Part 63 
In subpart UUUUU, the allowed filter 
temperature in § 63.10010(h)(7)(i)(1) would be revised from 160 ±14 °C to 160 
±5 °C resulting in increased precision of 
the filterable PM measurements. In Table 5, Method 5I would be allowed as a test method option because Method 5I is designed for low PM application. 
HH. Method 303 of Appendix A of Part 
63 
In Method 303, section 12.4, equation 
303–3 would be corrected by inserting ‘‘where y = ’’ in front of the equation. 
II. Method 308 of Appendix A of Part 63 
In Method 308, deionized distilled 
water would replace the aqueous n- 
proponal solution; the affected sections are 2.0, 7.2.2, 7.2.3.3, and 11.3.2. Section 7.2.2, which defines the aqueous n-proponal solution, would be removed. Section 8.1.2 would be revised to require a leak check prior to the sampling run (in addition to after the sampling run) for QA purposes; requiring a leak check prior to the 
sampling run would potentially save time and money. In section 9.1, methanol spike recovery check would be added as a QC measure in Table 9.1. In section 12.1, variables used in equations 308–4 and 308–5 would be added and section 12.5, which includes equations 308–4 and 308–5, would be added. In section 13.0, the title ‘‘Reserved’’ would be replaced with ‘‘Method Performance’’ and QA requirements would be added to be consistent with other methods. 
JJ. Method 320 of Appendix A of Part 63 
In section 8.2.2.4, the denominator in 
equation 2 would be corrected from P
SS 
to P S. In section 9.2.3, the word ‘‘where’’ 
in the statement ‘‘Calculate the dilution 
ratio using the tracer gas as follows: where:’’ would be deleted. Also in section 9.2.3, ‘‘dir’’ on the definition of spike is inadvertently superscripted and would be subscripted. 
KK. Method 323 of Appendix A of Part 
63 
In Method 323, section 12.9, the 
denominator in equation 323–8 would be corrected. 
LL. Method 325A of Appendix A of Part 
63 
In Method 325A, section 8.2.1.3 
would be revised to clarify that only one extra sampling site is required near known sources of volatile organic compounds (VOCs) when the source is within 50 meters of the boundary and the source is located between two 
monitors. The label under Figure 8.1 would be corrected from Refinery (20% angle) to Refinery (20° angle). Section 
8.2.3.2 would be revised to include facilities with a monitoring perimeter length equal to 7,315 meters (24,000 feet). Section 8.2.3.3 would be added to provide clarification and an equivalent procedure in Option 2 (linear distance between sites) for site locations that parallel section 8.2.2.2.4 in Option 1 (radial distance between sites). 
MM. Method 325B of Appendix A of 
Part 63 
In Method 325B, section 9.3.2 would 
be revised to correct an error in the number of field blank samples required for a sampling period and to provide consistency with the sample analysis required in Method 325B. In sections 9.13 and 11.3.2.5, the erroneous reference to section 10.6.3 would be corrected to 10.0. Also in section 11.3.2.5, the erroneous reference to section 10.9.5 would be corrected to 9.13. Section 12.2.2 would be revised to correct the calculation of target compound concentrations at standard conditions. Sections 12.2.3 and 12.2.4 would be deleted because the equations for target concentrations are incorrect. Table 17–1 would be revised to add inadvertently omitted QC criteria from section 9.3.3. 
IV. Statutory and Executive Order 
Reviews 
Additional information about these 
statutes and Executive Orders can be found at http://www2.epa.gov/laws- regulations/laws-and-executive-orders. 
A. Executive Order 12866: Regulatory 
Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review 
This action is not a ‘‘significant 
regulatory action’’ 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. Executive Order 13771: Reducing 
Regulations and Controlling Regulatory Costs 
This action is expected to be an 
Executive Order 13771 deregulatory 
action. This proposed rule is expected to provide meaningful burden reduction by improving data quality and providing source testers the flexibility to use newly-approved alternative procedures. 
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C. 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 substantively revise the existing information collection requirements but rather only make corrections and minor updates to existing testing methodology. In 
addition, the proposed amendments clarify performance testing requirements. 
D. Regulatory Flexibility Act (RFA) 
I certify that this action will not have 
a significant economic impact on a 
substantial number of small entities under the RFA. In making this determination, the impact of concern is any significant adverse economic impact on small entities. An agency may certify that a rule will not have a significant economic impact on a substantial number of small entities if the rule relieves regulatory burden, has no net burden or otherwise has a positive economic effect on the small entities subject to the rule. This 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. 
E. 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. 
F. Executive Order 13132: Federalism 
This action does not have federalism 
implications. It will not have substantial 
direct effects on the states, on the relationship between the national government and the states, or on the distribution of power and responsibilities among the various levels of government. 
G. Executive Order 13175: Consultation 
and Coordination With Indian Tribal Governments 
This action does not have tribal 
implications, as specified in Executive Order 13175. This action would correct and update existing testing regulations. Thus, Executive Order 13175 does not apply to this action. 
H. Executive Order 13045: Protection of 
Children From Environmental Health Risks and Safety Risks 
The EPA interprets Executive Order 
13045 as applying only to those regulatory actions that concern environmental health or safety risks that the EPA has reason to believe may disproportionately affect children, per the definition of ‘‘covered regulatory action’’ in section 2–202 of the Executive Order. This action is not subject to Executive Order 13045 because it does not concern an environmental health risk or safety risk. 
I. Executive Order 13211: Actions 
Concerning Regulations That Significantly Affect Energy Supply, Distribution or Use 
This action is not subject to Executive 
Order 13211, because it is not a significant regulatory action under Executive Order 12866. 
J. National Technology Transfer and 
Advancement Act and 1 CFR Part 51 
This action involves technical 
standards. The EPA proposes to use ASTM D6216–12 for continuous opacity monitors in Performance Specification 1. The ASTM D6216–12 standard covers the procedure for certifying continuous opacity monitors and includes design and performance specifications, test procedures, and QA requirements to ensure that continuous opacity monitors meet minimum design and calibration requirements, necessary in part, for accurate opacity monitoring measurements in regulatory environmental opacity monitoring applications subject to 10 percent or higher opacity standards. 
The ASTM D6216–12 standard was 
developed and adopted by the American Society for Testing and Materials. 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. 
K. Executive Order 12898: Federal 
Actions To Address Environmental Justice in Minority Populations and Low-Income Populations 
The EPA believes that this action is 
not subject to Executive Order 12898 (59 FR 7629, February 16, 1994) because it does not establish an environmental health or safety standard. This action would correct and update existing testing regulations. 
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 Part 63 
Environmental protection, Air 
pollution control, Performance 
specifications, Test methods and procedures. 
Dated: December 11, 2017. 
E. Scott Pruitt, 
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. Amend appendix M to part 51 as 
follows: 
■a. Revise section 12.5, equation 24, in 
Method 201A. 
■b. Revise the last sentence in section 
8.2 in Method 204. 
■c. Revise section 2.1.1 in Method 205. 
The revisions read as follows: 
Appendix M to Part 51—Recommended Test Methods for State Implementation Plans 
* * * * * 
Method 201A—Determination of PM 10and 
PM 2.5Emissions From Stationary Sources 
(Constant Sampling Rate Procedure) 
* * * * * 
12.5 Equations. Use the following 
equations to complete the calculations 
required in this test method. 
* * * * * 
Sampling Dwell Time at Each Point. N tpis 
the total number of traverse points. You must use the preliminary velocity traverse data. 
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* * * * * 
Method 204—Criteria for and Verification of 
a Permanent or Temporary Total Enclosure 
* * * * * 
8.2 * * * The NEAR must be ≤0.05. 
* * * * * 
Method 205—Verification of Gas Dilution Systems for Field Instrument Calibrations 
* * * * * 
2.1.1 The gas dilution system shall be 
recalibrated once per calendar year using NIST-traceable flow standards with an uncertainty ≤0.25 percent. You shall report 
the results of the calibration by the person or manufacturer who carried out the calibration whenever the dilution system is used, listing the date of the most recent calibration, the due date for the next calibration, calibration point, reference flow device (ID, S/N), and acceptance criteria. Follow the manufacturer’s instructions for the operation and use of the gas dilution system. A copy of the manufacturer’s instructions for the operation of the instrument, as well as the most recent calibration documentation shall be made available for inspection at the test site. 
* * * * * 
PART 60—STANDARDS OF 
PERFORMANCE FOR NEW STATIONARY SOURCES 
■3. The authority citation for part 60 
continues to read as follows: 
Authority: 42 U.S.C. 7401 et seq. 
■4. In § 60.17: 
■a. Redesignate paragraphs (h)(177) 
through (h)(209) as (h)(178) through (h)(210). 
■b. Add new paragraph (h)(177). 
The addition reads as follows: 
§ 60.17 Incorporations by reference. 
* * * * * 
(h) * * * 
(177) ASTM D6216–12, Standard 
Practice for Opacity Monitor 
Manufacturers to Certify Conformance with Design and Performance Specifications, IBR approved for appendix B to part 60: Performance Specification 1. 
* * * * * 
Subpart D—Standards of Performance 
for Fossil-Fuel-Fired Steam Generators 
■5. Revise § 60.46(b)(2)(i) to read as 
follows: § 60.46 Test methods and procedures. 
* * * * * 
(b) * * * 
(2) * * * (i) The sampling time and sample 
volume for each run shall be at least 60 
minutes and 0.85 dscm (30 dscf). The probe and filter holder heating systems in the sampling train shall be set to provide an average gas temperature of 160 ±5 °C (320 ±9 °F). 
* * * * * 
Subpart Da—Standards of 
Performance for Electric Utility Steam Generating Units 
■6. Revise § 60.50Da (b)(1)(ii)(A) to 
read as follows: 
§ 60.50Da Compliance determination 
procedures and methods. 
* * * * * 
(b) * * * 
(1) * * * (ii) * * * (A) The sampling time and sample 
volume for each run shall be at least 120 
minutes and 1.70 dscm (60 dscf). The probe and filter holder heating system in the sampling train may be set to provide an average gas temperature of no greater than 160 ±5 °C (320 ±9 °F). 
* * * * * 
Subpart Db—Standards of 
Performance for Industrial- Commercial-Institutional Steam Generating Units 
■7. Revise § 60.46b (d)(4) to read as 
follows: 
§ 60.46b Compliance and performance test 
methods and procedures for particulate matter and nitrogen oxides. 
* * * * * 
(d) * * * 
(4) For Method 5 of appendix A of 
this part, the temperature of the sample 
gas in the probe and filter holder is monitored and is maintained at 160 ±5 °C (320 ±9 °F). 
* * * * * 
Subpart Dc—Standards of 
Performance for Small Industrial- Commercial-Institutional Steam Generating Units 
■8. Revise § 60.45c(a)(5) to read as 
follows: § 60.45c Compliance and performance test 
methods and procedures for particulate matter. 
(a) * * * 
(5) For Method 5 or 5B of appendix 
A of this part, the temperature of the 
sample gas in the probe and filter holder shall be monitored and maintained at 160 ±5 °C (320 ±9 °F). 
* * * * * 
Subpart Ea—Standards of 
Performance for Municipal Waste Combustors for Which Construction Is Commenced After December 20, 1989 and On or Before September 20, 1994 
■9. Revise § 60.58a(b)(3) to read as 
follows: 
§ 60.58a Compliance and performance 
testing. 
* * * * * 
(b) * * * 
(3) Method 5 shall be used for 
determining compliance with the 
particulate matter emission limit. The minimum sample volume shall be 1.7 cubic meters (60 cubic feet). The probe and filter holder heating systems in the sample train shall be set to provide a gas temperature of 160° ±5 °C (320° ±9 °F). 
An oxygen or carbon dioxide measurement shall be obtained simultaneously with each Method 5 run. 
* * * * * 
Subpart CC—Standards of 
Performance for Glass Manufacturing Plants 
■10. Revise § 60.293(f) to read as 
follows: 
§ 60.293 Standards for particulate matter 
from glass melting furnace with modified- processes. 
* * * * * 
(f) Test methods and procedures as 
specified in § 60.296 shall be used to 
determine compliance with this section except that to determine compliance for any glass melting furnace using modified processes and fired with either a gaseous fuel or a liquid fuel containing less than 0.50 weight percent sulfur, Method 5 shall be used with the probe and filter holder heating system in the sampling train set to provide a gas temperature of 120 ±5 °C (248 ±9 °F). 
* * * * * 
■11. Revise § 60.296(d)(2) to read as 
follows: 
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§ 60.296 Test methods and procedures. 
* * * * * 
(d) * * * 
(2) Method 5 shall be used to 
determine the particulate matter 
concentration (c s) and volumetric flow 
rate (Q sd) of the effluent gas. The 
sampling time and sample volume for each run shall be at least 60 minutes and 0.90 dscm (31.8 dscf). The probe and filter holder heating system may be set to provide a gas temperature no greater than 177 ±5 °C (350 ±9 °F), 
except under the conditions specified in § 60.293(e). 
* * * * * 
■12. Revise ‘‘(CO 2)a’’ in section 12.1 in 
Method 2B of appendix A–1 to part 60 
to read as follows: 
Appendix A–1 to Part 60—Test 
Methods 1 Through 2F 
* * * * * 
Method 2B—Determination of Exhaust Gas 
Volume Flow Rate From Gasoline Vapor Incinerators 
* * * * * 
12.1 Nomenclature. 
* * * * * 
(CO 2)a= Ambient carbon dioxide 
concentration, ppm (if not measured during the test period, may be assumed to equal the global monthly mean CO
2 
concentration posted at http://www.esrl.noaa.gov/gmd/ccgg/trends/ global.html#global_ data). 
* * * * * 
■13. In appendix A–3 to part 60: 
■a. Revise sections 2.0, 6.1.1.2, 6.1.1.6, 
6.1.1.7, 6.1.1.9, and 8.5 in Method 5. 
■b. Revise sections 2.0, 6.1, 8.2, and 
11.0 in Method 5B. 
■c. Add section 17.0 in Method 5B. 
■d. Revise sections 2.1 and 8.5.2.2 in 
Method 5I. 
The revisions read as follows: 
Appendix A–3 to Part 60—Test 
Methods 4 Through 5I 
* * * * * 
Method 5—Determination of Particulate 
Matter Emissions From Stationary Sources 
* * * * * 
2.0 Summary of Method. Particulate 
matter is withdrawn isokinetically from the source and collected on a glass fiber filter maintained at a temperature of 120 ±5 °C 
(248 ±9 °F) or such other temperature as 
specified by an applicable subpart of the standards or approved by the Administrator for a particular application. The PM mass, which includes any material that condenses at or above the filtration temperature, is determined gravimetrically after the removal of uncombined water. 
* * * * * 
6.1.1.2 Probe Liner. Borosilicate or quartz 
glass tubing with a heating system capable of maintaining a probe gas temperature during sampling of 120 ±5 °C (248 ±9 °F), or such 
other temperature as specified by an 
applicable subpart of the standards or as approved by the Administrator for a particular application. Since the actual temperature at the outlet of the probe is not 
usually monitored during sampling, probes constructed according to APTD–0581 and utilizing the calibration curves of APTD– 0576 (or calibrated according to the procedure outlined in APTD–0576) will be considered acceptable. Either borosilicate or quartz glass probe liners may be used for stack temperatures up to about 480 °C (900 °F); quartz glass liners shall be used for temperatures between 480 and 900 °C (900 
and 1,650 °F). Both types of liners may be used at higher temperatures than specified for short periods of time, subject to the approval of the Administrator. The softening temperature for borosilicate glass is 820 °C (1500 °F), and for quartz glass it is 1500 °C 
(2700 °F). Whenever practical, every effort 
should be made to use borosilicate or quartz glass probe liners. Alternatively, metal liners (e.g., 316 stainless steel, Incoloy 825 or other 
corrosion resistant metals) made of seamless tubing may be used, subject to the approval of the Administrator. 
* * * * * 
6.1.1.6 Filter Heating System. Any 
heating system capable of monitoring and maintaining temperature around the filter shall be used to ensure the sample gas temperature exiting the filter of 120 ± 5 °C 
(248 ±9 °F) during sampling or such other 
temperature as specified by an applicable subpart of the standards or approved by the Administrator for a particular application. The monitoring and regulation of the temperature around the filter may be done with the filter temperature sensor or another temperature sensor. 
6.1.1.7 Filter Temperature Sensor. A 
temperature sensor capable of measuring temperature to within ±3 °C (5.4 °F) shall be 
installed so that the sensing tip of the temperature sensor is in direct contact with the sample gas exiting the filter. The sensing tip of the sensor may be encased in glass, Teflon, or metal and must protrude at least
1⁄2 
in. into the sample gas exiting the filter. The filter temperature sensor must be monitored and recorded during sampling to ensure a sample gas temperature exiting the filter of 120 ±5 °C (248 ±9 °F), or such other 
temperature as specified by an applicable subpart of the standards or approved by the Administrator for a particular application. 
* * * * * 
6.1.1.9 Metering System. Vacuum gauge, 
leak-free pump, calibrated temperature sensors, 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. The average DGM temperature for use in the calculations of Section 12.0 may be obtained by averaging the two temperature sensors located at the inlet and outlet of the 
DGM as shown in Figure 5–3 or alternatively from a single temperature sensor located at the immediate outlet of the DGM or the plenum of the DGM. 
* * * * * 
8.5 Sampling Train Operation. During the 
sampling run, maintain an isokinetic sampling rate (within 10 percent of true isokinetic unless otherwise specified by the Administrator) and a sample gas temperature through the filter of 120 ±5 °C (248 ±9 °F) or 
such other temperature as specified by an applicable subpart of the standards or approved by the Administrator. Note: After startup of the sampling system, it may take several minutes to equilibrate the system and temperature reading to within the required temperature threshold. 
* * * * * 
Method 5B—Determination of Nonsulfuric 
Acid Particulate Matter Emissions From Stationary Sources 
* * * * * 
2.0 Summary of Method 
Particulate matter is withdrawn 
isokinetically from the source and collected 
on a glass fiber filter maintained at a temperature of 160 ±5 °C (320 ±9 °F). The 
collected sample is then heated in an oven at 160 °C (320 °F) for 6 hours to volatilize any 
condensed sulfuric acid that may have been collected, and the nonsulfuric acid particulate mass is determined gravimetrically. 
* * * * * 
6.1 Sample Collection. The probe liner heating system and filter 
heating system must be capable of maintaining a sample gas temperature of 160 ±5 °C (320 ±9 °F). 
* * * * * 
8.2 Probe and Filter Temperatures. Maintain the probe outlet and filter 
temperatures at 160 ±5 °C (320 ±9 °F). Note: 
After start-up of the sampling system, it may take several minutes to equilibrate the system and temperature reading to within the required temperature threshold. 
* * * * * 
11.0 Analytical Procedure 
11.1 Record and report the data required 
on a sheet such as the one shown in Figure 5B–1. 
11.2 Handle each sample container as 
follows: 
11.2.1 Container No. 1. Leave the 
contents in the shipping container or transfer the filter and any loose PM from the sample container to a tared glass weighing dish. Oven dry the filter sample at a temperature of 160 ±5 °C (320 ±9 °F) for 6 hours. Cool in 
a desiccator for 2 hours, and weigh to constant weight. Report the results to the nearest 0.1 mg. For the purposes of this section, the term ‘‘constant weight’’ means a difference of no more than 0.5 mg or 1 percent of total weight less tare weight, whichever is greater, between two consecutive weighings, with no less than 6 hours of desiccation time between weighings. 
11.2.2 Container No. 2. Note the level of 
liquid in the container, and confirm on the 
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analysis sheet whether leakage occurred 
during transport. If a noticeable amount of leakage has occurred, either void the sample or use methods, subject to the approval of the Administrator, to correct the final results. Measure the liquid in this container either volumetrically to ±1 ml or gravimetrically to ±0.5 g. Transfer the contents to a tared 250 ml beaker, and evaporate to dryness at ambient temperature and pressure. Then oven dry the probe sample at a temperature 
of 160 ±5 °C (320 ±9 °F) for 6 hours. Cool in 
a desiccator for 2 hours, and weigh to constant weight. Report the results to the nearest 0.1 mg. 11.2.3 Container No. 3. Weigh the spent 
silica gel (or silica gel plus impinger) to the 
nearest 0.5 g using a balance. This step may be conducted in the field. 
11.2.4 Acetone Blank Container. Measure 
the acetone in this container either volumetrically or gravimetrically. Transfer the acetone to a tared 250 ml beaker, and 
evaporate to dryness at ambient temperature and pressure. Desiccate for 24 hours, and weigh to a constant weight. Report the results to the nearest 0.1 mg. 
Note: The contents of Container No. 2 as 
well as the acetone blank container may be evaporated at temperatures higher than 
ambient. If evaporation is done at an elevated 
temperature, the temperature must be below the boiling point of the solvent; also, to prevent ‘‘bumping,’’ the evaporation process must be closely supervised, and the contents of the beaker must be swirled occasionally to maintain an even temperature. Use extreme care, as acetone is highly flammable and has a low flash point. 
* * * * * 
17.0 Tables, Diagrams, Flowcharts, and 
Validation Data 
Container number Weight of particulate collected, mg 
Final weight Tare weight Weight gain 
1. ..................................................................................................................................
2. ..................................................................................................................................
Total: ............................................................................................................................
Less acetone blank ......................................................................................................
Weight of particulate matter .........................................................................................
Volume of liquid water collected 
Impinger volume, ml Silica gel weight, g 
Final ..............................................................................................................................
Initial .............................................................................................................................
Liquid collected ............................................................................................................
Total volume collected ................................................................................................. ............................................. g* ml 
*Convert weight of water to volume by dividing total weight increase by density of water (1 g/ml). 
Figure 5B–1. Analytical Data Sheet 
* * * * * 
Method 5I—Determination of Low Level Particulate Emissions From Stationary Sources 
* * * * * 
2.1. Description. The system setup and 
operation is essentially identical to Method 
5. Particulate is withdrawn isokinetically from the source and collected on a 47 mm glass fiber filter maintained at a temperature of 120 ±5 °C (248 ±9 °F). The PM mass is 
determined by gravimetric analysis after the removal of uncombined water. Specific measures in this procedure designed to 
improve system performance at low particulate levels include: 
1. Improved sample handling procedures 
2. Light weight sample filter assembly 3. Use of low residue grade acetone 
Accuracy is improved through the 
minimization of systemic errors associated with sample handling and weighing procedures. High purity reagents, all glass, grease free, sample train components, and light weight filter assemblies and beakers, each contribute to the overall objective of improved precision and accuracy at low particulate concentrations. 
* * * * * 
8.5.2.2 Care should be taken to maintain 
the filter box temperature of the paired trains as close as possible to the Method required temperature of 120 ±5 °C (248 ±9 °F). If 
separate ovens are being used for simultaneously operated trains, it is recommended that the oven temperature of each train be maintained within ±5 °C (±9 °F) 
of each other. Note: After startup of the sampling system, it may take several minutes to equilibrate the system and temperature reading to within the required temperature threshold. 
* * * * * 
■14. In appendix A–4 to part 60: 
■a. Revise sections 10.1.2 and 11.3 in 
Method 7. 
■b. Redesignate sections 6.1.1.1 
through 6.1.1.4 to read as sections 
6.1.1.2 through 6.1.1.5 in Method 8. 
■c. Add a new section 6.1.1.1 in 
Method 8. 
■d. Revise Figure 8–1 in Method 8. 
Appendix A–4 to Part 60—Test Methods 6 Through 10B 
* * * * * 
Method 7—Determination of Nitrogen Oxide 
Emissions From Stationary Sources 
* * * * * 
10.1.2 Determination of 
Spectrophotometer Calibration Factor K c. 
Add 0 ml, 2.0 ml, 4.0 ml, 6.0 ml, and 8.0 ml of the KNO
3working standard solution (1 ml 
= 100 mg NO 2) to a series of five 50-ml 
volumetric flasks. To each flask, add 25 ml of absorbing solution and 10 ml water. Add 1 N NaOH to each flask until the pH is between 9 and 12 (about 25 to 35 drops). Dilute to the mark with water. Mix thoroughly, and pipette a 25-ml aliquot of each solution into a separate porcelain evaporating dish. Beginning with the evaporation step, follow the analysis procedure of section 11.2 until the solution 
has been transferred to the 100-ml volumetric flask and diluted to the mark. Measure the absorbance of each solution at the optimum 
wavelength as determined in section 10.1.1.2. This calibration procedure must be repeated on each day that samples are analyzed. Calculate the spectrophotometer calibration factor as shown in section 12.2. 
* * * * * 
11.3 Sample Analysis. Mix the contents 
of the flask thoroughly, and measure the absorbance at the optimum wavelength used for the standards (Section 10.1.1.2), using the blank solution as a zero reference. Dilute the sample and the blank with equal volumes of water if the absorbance exceeds A
4, the 
absorbance of the 400-mg NO 2standard (see 
section 10.1.3). 
* * * * * 
Method 8—Determination of Sulfuric Acid 
and Sulfur Dioxide Emissions From Stationary Sources 
* * * * * 
6.1.1.1 Probe Nozzle. Borosilicate or 
quartz glass with a sharp, tapered leading 
edge and coupled to the probe liner using a Teflon union. When the stack temperature exceeds 210 °C (410 °F), a leak-free ground 
glass fitting or other leak free, non- contaminating fitting must be used to couple the nozzle to the probe liner. It is also acceptable to use a one-piece glass nozzle/ liner assembly. The angle of the taper shall be >30°, and the taper shall be on the outside 
to preserve a constant internal diameter. The probe nozzle shall be of the button-hook or elbow design, unless otherwise specified by 
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the Administrator. Other materials of 
construction may be used, subject to the approval of the Administrator. A range of nozzle sizes suitable for isokinetic sampling should be available. Typical nozzle sizes 
range from 0.32 to 1.27 cm (
1⁄8to 1⁄2in) inside 
diameter (ID) in increments of 0.16 cm (1⁄16 
in). Larger nozzles sizes are also available if higher volume sampling trains are used. 
6.1.1.2 Probe Liner. Borosilicate or quartz 
glass, with a heating system to prevent visible condensation during sampling. Do not use metal probe liners. 6.1.1.3 Filter Holder. Borosilicate glass, 
with a glass frit filter support and a silicone 
rubber gasket. Other gasket materials (e.g., Teflon or Viton) may be used, subject to the approval of the Administrator. The holder 
design shall provide a positive seal against leakage from the outside or around the filter. The filter holder shall be placed between the first and second impingers. Do not heat the filter holder. 
6.1.1.4 Impingers. Four, of the Greenburg- 
Smith design, as shown in Figure 8–1. The first and third impingers must have standard tips. The second and fourth impingers must 
be modified by replacing the insert with an approximately 13-mm (
1⁄2-in.) ID glass tube, 
having an unconstricted tip located 13 mm (
1⁄2in.) from the bottom of the impinger. 
Similar collection systems, subject to the approval of the Administrator, may be used. 
6.1.1.5 Temperature Sensor. 
Thermometer, or equivalent, to measure the temperature of the gas leaving the impinger train to within 1 °C (2 °F). 
* * * * * 
BILLING CODE 6560–50–P 
BILLING CODE 6560–50–P 
* * * * * 
■15. Redesignate paragraph (c) as 
paragraph (b) in section 13.1 in Method 
18 of appendix A–6 to part 60 to read 
as follows: 
Appendix A–6 to Part 60—Test 
Methods 16 Through 18 
* * * * * 
Method 18—Measurement of Gaseous 
Organic Compound Emissions by Gas Chromatography 
* * * * * 13.1 * * * (b) Recovery. After developing an 
appropriate sampling and analytical system for the pollutants of interest, conduct the procedure in section 8.4. Conduct the appropriate recovery study in section 8.4 at each sampling point where the method is being applied. Submit the data and results of the recovery procedure with the reporting of results under section 8.3. 
* * * * * 
■16. In appendix A–7 to part 60: 
■a. Revise sections 11.2.1 and 11.2.2 in 
Method 22. 
■b. Add section 11.2.3 in Method 22. The revisions read as follows: 
Appendix A–7 to Part 60—Test 
Methods 19 Through 25E 
* * * * * 
Method 22—Visual Determination of 
Fugitive Emissions From Material Sources and Smoke Emissions From Flares 
* * * * * 
11.2.1 Outdoor Location. Record the 
following information on the field data sheet 
(Figure 22–1): Company name, industry, process unit, observer’s name, observer’s affiliation, and date. Record also the 
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estimated wind speed, wind direction, and 
sky condition. Sketch the process unit being observed, and note the observer location relative to the source and the sun. Indicate the potential and actual emission points on the sketch. Alternatively, digital photography as described in Section 11.2.3 may be used for a subset of the recordkeeping requirements of this section. 
11.2.2 Indoor Location. Record the 
following information on the field data sheet (Figure 22–2): Company name, industry, process unit, observer’s name, observer’s affiliation, and date. Record as appropriate the type, location, and intensity of lighting on the data sheet. Sketch the process unit being observed, and note the observer location relative to the source. Indicate the potential and actual fugitive emission points on the sketch. Alternatively, digital photography as described in Section 11.2.3 may be used for a subset of the recordkeeping requirements of this section. 
11.2.3 Digital Photographic Records. 
Digital photographs, annotated or unaltered, 
may be used to record and report sky conditions, observer’s location relative to the source, observer’s location relative to the sun, process unit being observed, potential emission points and actual emission points for the requirements in Sections 11.2.1 and 11.2.2. The image must have the proper 
lighting, field of view and depth of field to properly distinguish the sky condition (if applicable), process unit, potential emission point and actual emission point. At least one digital photograph must be from the point of the view of the observer. The photograph(s) representing the environmental conditions must be taken within reasonable time of the observation (i.e., 15 mins). Any photographs 
altered or annotated must be retained in an unaltered format for recordkeeping purposes. 
* * * * * 
■17. In appendix A–8 to part 60: 
■a. Revise section 6.2.2 in Method 26. 
■b. Revise section 6.2.1 in Method 26A. 
■c. Add section 6.2.4 in Method 26A. 
■d. Revise equation 8 in section 13.5.1 
in Test Method 28WHH. 
The revisions read as follows: 
Appendix A–8 to Part 60—Test 
Methods 26 Through 30B 
* * * * * 
Method 26—Determination of Hydrogen 
Halide and Halogen Emissions From Stationary Sources Non-Isokinetic Method 
* * * * * 6.2.2 Storage Bottles. 100- or 250-ml, 
high-density polyethylene or glass sample 
storage containers with Teflon screw cap liners to store impinger samples. 
* * * * * 
Method 26A—Determination of Hydrogen 
Halide and Halogen Emissions From Stationary Sources Isokinetic Method 
* * * * * 
6.2.1 Probe-Liner and Probe-Nozzle 
Brushes, Wash Bottles, Petri Dishes, 
Graduated Cylinder and/or Balance, and Rubber Policeman. Same as Method 5, sections 6.2.1, 6.2.2, 6.2.4, 6.2.5, and 6.2.7. 
* * * * * 
6.2.4 Sample Storage Containers. High- 
density polyethylene or glass sample storage containers with Teflon screw cap liners to store impinger samples. 
Test Method 28WHH for Measurement of 
Particulate Emissions and Heating Efficiency of Wood-Fired Hydronic Heating Appliances 
* * * * * 
13.5.1 * * * 
* * * * * 
■18. In appendix B to part 60: 
■a. Revise sections 2.1, 3.1, 6.1, 8.1(1), 
8.1(3)(ii), 8.2(1), 8.2(2), 8.2(3), 9.0, 12.1, 
13.1, 13.2, and 16.0 8. in Performance Specification 1. 
■b. Revise section 13.2 in Performance 
Specification 2. 
■c. Revise sections 12.0 and 13.2 in 
Performance Specification 3. 
■d. Revise section 13.1 in Performance 
Specification 11. 
■e. Add section 13.0 in Performance 
Specification 15. 
■f. Revise section 11.8.7 and table 1 in 
Performance Specification 18. 
■g. Add section 12.0 to Appendix A of 
Performance Specification 18. 
The revisions 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 
* * * * * 
2.1 ASTM D6216–12 (incorporated by 
reference, see § 60.17) is the reference for design specifications, manufacturer’s performance specifications, and test procedures. The opacity monitor manufacturer must periodically select and test an opacity monitor, that is representative of a group of monitors produced during a specified period or lot, for conformance with the design specifications in ASTM D6216–12. 
The opacity monitor manufacturer must test each opacity monitor for conformance with the manufacturer’s performance specifications in ASTM D6216–12. Note: If 
the initial certification of the opacity monitor occurred before January 26, 2018 using D6216–98, D6216–03, or D6216–07, it is not necessary to recertify using D6216–12. 
* * * * * 
3.1 All definitions and discussions from 
section 3 of ASTM D6216–12 are applicable to PS–1. 
* * * * * 
6.1 Continuous Opacity Monitoring 
System. You, as owner or operator, are 
responsible for purchasing an opacity monitor that meets the specifications of ASTM D6216–12, including a suitable data recorder or automated data acquisition handling system. Example data recorders include an analog strip chart recorder or more appropriately an electronic data acquisition and reporting system with an input signal range compatible with the analyzer output. 
* * * * * 
8.1 * * * (1) You must purchase an opacity monitor 
that complies with ASTM D6216–12 and obtain a certificate of conformance from the opacity monitor manufacturer. 
(2) * * * (3) * * * (ii) Calibration Error Check. Conduct a 
three-point calibration error test using three calibration attenuators that produce outlet pathlength corrected, single-pass opacity values shown in ASTM D6216–12, section 
7.5. If your applicable limit is less than 10 percent opacity, use attenuators as described in ASTM D6216–12, section 7.5 for applicable standards of 10 to 19 percent opacity. Confirm the external audit device produces the proper zero value on the COMS data recorder. Separately, insert each calibration attenuators (low, mid, and high- level) into the external audit device. While inserting each attenuator, (1) ensure that the entire light beam passes through the attenuator, (2) minimize interference from reflected light, and (3) leave the attenuator in place for at least two times the shortest recording interval on the COMS data recorder. Make a total of five nonconsecutive readings for each attenuator. At the end of the test, correlate each attenuator insertion to the corresponding value from the data recorder. Subtract the single-pass calibration attenuator values corrected to the stack exit conditions from the COMS responses. Calculate the arithmetic mean difference, standard deviation, and confidence coefficient of the five measurements value using equations 1–3, 1–4, and 1–5. Calculate the calibration error as the sum of the 
absolute value of the mean difference and the 95 percent confidence coefficient for each of the three test attenuators using equation 1–6. Report the calibration error test results for each of the three attenuators. 
* * * * * 
8.2 * * * (1) Conduct the verification procedures for 
design specifications in section 6 of ASTM D6216–12. 
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(2) Conduct the verification procedures for 
performance specifications in section 7 of 
ASTM D6216–12. 
(3) Provide to the owner or operator, a 
report of the opacity monitor’s conformance to the design and performance specifications required in sections 6 and 7 of ASTM D6216– 12 in accordance with the reporting requirements of section 9 in ASTM D6216– 12. 
* * * * * 
9.0 What quality control measures are 
required by PS–1? 
Opacity monitor manufacturers must 
initiate a quality program following the 
requirements of ASTM D6216–12, section 8. The quality program must include (1) a 
quality system and (2) a corrective action program. 
* * * * * 12.1 Desired Attenuator Values. Calculate 
the desired attenuator value corrected to the 
emission outlet pathlength as follows: 
Where: 
OP 1= Nominal opacity value of required 
low-, mid-, or high-range calibration 
attenuators. 
OP 2= Desired attenuator opacity value from 
ASTM D6216–12, section 7.5 at the opacity limit required by the applicable subpart. 
L
1= Monitoring pathlength. 
L2= Emission outlet pathlength. 
* * * * * 
13.1 Design Specifications. The opacity 
monitoring equipment must comply with the 
design specifications of ASTM D6216–12. 13.2 Manufacturer’s Performance 
Specifications. The opacity monitor must 
comply with the manufacturer’s performance specifications of ASTM D6216–12. 
* * * * * 
16.0 ***  
8. ASTM D6216–12: Standard Practice for 
Opacity Monitor Manufacturers to Certify Conformance with Design and Performance Specifications. American Society for Testing and Materials (ASTM). April 1998. 
* * * * * 
Performance Specification 2—Specifications 
and Test Procedures for SO 2and NO X 
Continuous Emission Monitoring Systems in Stationary Sources 
* * * * * 
13.2 Relative Accuracy Performance 
Specification. 
Calculate . . . RA criteria 
(%) 
If average emissions during the RATA are ≥50% of emission 
standard.Use Eq. 2–6, with RM in the denominator ................................ <20.0 
If average emissions during the RATA are <50% of emission 
standard.Use Eq. 2–6, emission standard in the denominator ................ <10.0 
For SO 2emission standards <130 but> 86 ng/J (0.30 and 0.20 
lb/million Btu).Use Eq. 2–6, emission standard in the denominator ................ <15.0 
For SO 2emission standards <86 ng/J (0.20 lb/million Btu) ....... Use Eq. 2–6, emission standard in the denominator ................ <20.0 
* * * * * Performance Specification 3—Specifications and Test Procedures for O
2and CO 2 
Continuous Emission Monitoring Systems in Stationary Sources 
* * * * * 12.0 Calculations and Data Analysis 
Summarize the results on a data sheet 
similar to that shown in Figure 2.2 of PS2. 
* * * * * 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 
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(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 O
2(or CO 2). 
* * * * * 
Performance Specification 11— 
Specifications and Test Procedures for Particulate Matter Continuous Emission Monitoring Systems at Stationary Sources 
* * * * * 
13.1 What is the 7-day drift check 
performance specification? Your daily PM 
CEMS internal drift checks must demonstrate that the 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 
* * * * * 13.0 Method Performance [Reserved] 
* * * * * 
Performance Specification 18—Performance Specifications and Test Procedures for Gaseous Hydrogen Chloride (HCl) Continuous Emission Monitoring Systems at Stationary Sources 
* * * * * 
11.8.7 The zero-level and mid-level CD 
for each day must be less than 5.0 percent of 
the span value as specified in section 13.2 of this PS. You must meet this criterion for 7 consecutive operating days. 
* * * * * 
TABLE 1—I NTERFERENCE TESTGAS 
CONCENTRATIONS  
Potential 
interferent 
gas1 Approximate concentration 
(balance N 2) 
CO 2................ 15% ± 1% CO 2.2 
CO .................. 100 ± 20 ppm. 
CH2O ............. 20 ± 5 ppm. 
CH4................ 100 ± 20 ppm. 
NH3................ 10 ± 5 ppm (extractive 
CEMS only). 
NO .................. 250 ± 50 ppm. 
SO2................ 200 ± 20 ppm. 
O2................... 3% ± 1% O 2.2 
H2O ................ 10% ± 1% H 2O.2 
N2................... Balance.2 
1Any of these specific gases can be tested 
at a lower level if the manufacturer has pro-
vided reliable means for limiting or scrubbing that gas to a specified level in CEMS field in-stallations. 2Gases for short path IP cell interference 
tests cannot be added above 100 percent stack equivalent concentration. Add these gases at the indicated percentages to make up the remaining cell volume. 
* * * * * 
PS–18 Appendix A—Standard Addition 
Procedures 
* * * * * 
12.0 Reserved 
* * * * * 
■19. Revise sections 5.1.2(1) and 
5.1.2(3) in Procedure 1 of appendix F to 
part 60 to read as follows: 
Appendix F to Part 60—Quality 
Assurance Procedures 
Procedure 1—Quality Assurance 
Requirements for Gas Continuous Emission Monitoring Systems Used for Compliance Determination 
* * * * * 
5.1.2 Cylinder Gas Audit (CGA). If 
applicable, a CGA may be conducted in three 
of four calendar quarters, but in no more than three quarters in succession. 
To conduct a CGA: (1) Challenge the CEMS 
(both pollutant and diluent portions of the CEMS, if applicable) with an audit gas of known concentration at two points within the following ranges: 
Audit point Audit range 
Pollutant monitors Diluent monitors for— 
CO
2 O 2 
1 ...................................... 20 to 30% of span value ............................. 5 to 8% by volume ...................................... 4 to 6% by volume. 
2 ...................................... 50 to 60% of span value ............................. 10 to 14% by volume .................................. 8 to 12% by volume. 
Inject each of the audit gases, three times 
each for a total of six injections. Inject the 
gases in such a manner that the entire CEMS is challenged. Do not inject the same gas concentration twice in succession. 
Use of separate audit gas cylinder for audit 
points 1 and 2. Do not dilute gas from audit 
cylinder when challenging the CEMS. 
The monitor should be challenged at each 
audit point for a sufficient period of time to assure adsorption-desorption of the CEMS sample transport surfaces has stabilized. 
(2) * * * (3) Use Certified Reference Materials 
(CRM’s) (See Citation 1) audit gases that have been certified by comparison to National Institute of Standards and Technology (NIST) Standard Reference Materials (SRM’s) or EPA Protocol Gases following the most recent edition of the EPA Traceability Protocol for Assay and Certification of Gaseous Calibration Standards (See Citation 2). Procedures for preparation of CRM’s are described in Citation 1. Procedures for preparation of EPA Protocol Gases are described in Citation 2. In the case that a 
suitable audit gas level is not commercially available, Method 205 (See Citation 3) may be used to dilute CRM’s or EPA Protocol Gases to the needed level. The difference between the actual concentration of the audit gas and the concentration indicated by the monitor is used to assess the accuracy of the CEMS. 
* * * * * 
PART 63—NATIONAL EMISSION 
STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES 
■20. The authority citation for part 63 
continues to read as follows: 
Authority: 42 U.S.C. 7401 et seq. 
■21. In § 63.7, revise paragraphs (g)(2) 
introductory text and (g)(2)(v) to read as follows: § 63.7 Performance testing requirements. 
* * * * * 
(g) * * * 
(2) Contents of a performance test, 
CMS performance evaluation, or CMS 
quality assurance test report (electronic or paper submitted copy). Unless otherwise specified in a relevant standard, test method, CMS performance specification, or quality assurance requirement for a CMS, or as otherwise approved by the Administrator in writing, the report shall include the elements identified in paragraphs (g)(2)(i) through (vi) of this section. 
* * * * * 
(v) Where a test method, CMS 
performance specification, or on-going 
quality assurance requirement for a CMS requires you record or report, the following shall be included in your 
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report: 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, and example calculations for reported results. 
* * * * * 
■22. In § 63.8, revise paragraph (e)(5)(i) 
to read as follows: 
§ 63.8 Monitoring requirements. 
* * * * * 
(e) * * * 
(5) ***  (i) The owner or operator 
shall furnish the Administrator a copy 
of a written report of the results of the performance evaluation containing the 
information specified in § 63.7(g)(2)(i) through (vi) within 60 days of completion of the performance evaluation, unless otherwise specified in a relevant standard. 
* * * * * 
Subpart NNN—National Emission 
Standards for Hazardous Air Pollutants for Wool Fiberglass Manufacturing 
■23. Revise § 63.1385(a)(5) to read as 
follows: 
§ 63.1385 Test methods and procedures. 
(a) * * * 
(5) Method 5 or Method 29 (40 CFR 
part 60, appendix A–3) for the 
concentration of total PM. When using Method 5, each run must consist of a minimum sample volume of 2 dry standard cubic meters (dscm). When using Method 29, each run must consist 
of a minimum sample volume of 3 dscm. When measuring PM concentration using either Method 5 or 29, the probe and filter holder heating system must be set to provide a gas temperature no greater than 120 ±5 °C 
(248 ±9 °F). 
* * * * * 
Subpart DDDDD—National Emission 
Standards for Hazardous Air Pollutants 
for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters 
* * * * * 
■24. Revise Table 6 to Subpart DDDDD 
of part 63 to read as follows: 
TABLE 6 TOSUBPART DDDDD OFPART63—F UELANALYSIS REQUIREMENTS  
[As stated in § 63.7521, you must comply with the following requirements for fuel analysis testing for existing, new or reconstructed affected 
sources. However, equivalent methods (as defined in § 63.7575) may be used in lieu of the prescribed methods at the discretion of the 
source owner or operator] 
To conduct a fuel analysis for the following pollutant . . . You must . . . Using . . . 
1. Mercury ....................................... a. Collect fuel samples .................. Procedure in § 63.7521(c) or ASTM D519 2,aor ASTM D7430,aor 
ASTM D6883,aor ASTM D2234/D2234Ma(for coal) or EPA 1631 
or EPA 1631E or ASTM D6323a(for solid), or EPA 821–R–01–013 
(for liquid or solid), or ASTM D4177a(for liquid), or ASTM D4057a 
(for liquid), or equivalent. 
b. Composite fuel samples ............ Procedure in § 63.7521(d) or equivalent. 
c. Prepare composited fuel sam-
ples.EPA SW–846–3050Ba(for solid samples), ASTM D2013/D2013Ma 
(for coal), ASTM D5198a(for biomass), or EPA 3050a(for solid 
fuel), or EPA 821–R–01–013a(for liquid or solid), or equivalent. 
d. Determine heat content of the 
fuel type.ASTM D5865a(for coal) or ASTM E711a(for biomass), or ASTM 
D5864afor liquids and other solids, or ASTM D240aor equivalent. 
e. Determine moisture content of 
the fuel type.ASTM D3173,aASTM E871,aor ASTM D5864,aor ASTM D240, or 
ASTM D95a(for liquid fuels), or ASTM D4006a(for liquid fuels), or 
equivalent. 
f. Measure mercury concentration 
in fuel sample.ASTM D6722a(for coal), EPA SW–846–7471Baor EPA 1631 or 
EPA 1631E (for solid samples), or EPA SW–846–7470Aaor EPA 
SW–846–7471Ba(for liquid samples), or EPA 821–R–01–013 (for 
liquid or solid), or equivalent. 
g. Convert concentration into units 
of pounds of mercury per 
MMBtu of heat content.For fuel mixtures use Equation 8 in § 63.7530. 
2. HCl .............................................. a. Collect fuel samples .................. Procedure in § 63.7521(c) or ASTM D 5192,aor ASTM D7430,aor 
ASTM D6883,aor ASTM D2234/D2234Ma(for coal) or ASTM 
D6323a(for coal or biomass), ASTM D4177a(for liquid fuels) or 
ASTM D4057a(for liquid fuels), or equivalent. 
b. Composite fuel samples ............ Procedure in § 63.7521(d) or equivalent. 
c. Prepare composited fuel sam-
ples.EPA SW–846–3050Ba(for solid samples), ASTM D2013/D2013Ma 
(for coal), or ASTM D5198a(for biomass), or EPA 3050aor equiv-
alent. 
d. Determine heat content of the 
fuel type.ASTM D5865a(for coal) or ASTM E711a(for biomass), ASTM 
D5864, ASTM D240aor equivalent. 
e. Determine moisture content of 
the fuel type.ASTM D3173aor ASTM E871,aor D5864,aor ASTM D240,aor 
ASTM D95a(for liquid fuels), or ASTM D4006a(for liquid fuels), or 
equivalent. 
f. Measure chlorine concentration 
in fuel sample.EPA SW–846–9250,aASTM D6721,aASTM D4208a(for coal), or 
EPA SW–846–5050aor ASTM E776a(for solid fuel), or EPA SW– 
846–9056aor SW–846–9076a(for solids or liquids) or equivalent. 
g. Convert concentrations into 
units of pounds of HCl per MMBtu of heat content.For fuel mixtures use Equation 7 in § 63.7530 and convert from chlo-
rine to HCl by multiplying by 1.028. 
3. Mercury Fuel Specification for 
other gas 1 fuels.a. Measure mercury concentration 
in the fuel sample and convert to units of micrograms per cubic meter, or.Method 30B (M30B) at 40 CFR part 60, appendix A–8 of this chapter 
or ASTM D5954,
aASTM D6350,aISO 6978–1:2003(E).aor ISO 
6978–2:2003(E),aor EPA–1631aor equivalent. 
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TABLE 6 TOSUBPART DDDDD OFPART63—F UELANALYSIS REQUIREMENTS —Continued 
[As stated in § 63.7521, you must comply with the following requirements for fuel analysis testing for existing, new or reconstructed affected 
sources. However, equivalent methods (as defined in § 63.7575) may be used in lieu of the prescribed methods at the discretion of the 
source owner or operator] 
To conduct a fuel analysis for the following pollutant . . . You must . . . Using . . . 
b. Measure mercury concentration 
in the exhaust gas when firing 
only the other gas 1 fuel is fired in the boiler or process heater.Method 29, 30A, or 30B (M29, M30A, or M30B) at 40 CFR part 60, 
appendix A–8 of this chapter or Method 101A or Method 102 at 40 CFR part 61, appendix B of this chapter, or ASTM Method D6784
a 
or equivalent. 
4. TSM ............................................. a. Collect fuel samples .................. Procedure in § 63.7521(c) or ASTM D5 192,aor ASTM D7430,aor 
ASTM D6883,aor ASTM D2234/D2234Ma(for coal) or ASTM 
D6323a(for coal or biomass), or ASTM D4177,a(for liquid fuels)or 
ASTM D4057a(for liquid fuels),or equivalent. 
b. Composite fuel samples ............ Procedure in § 63.7521(d) or equivalent. 
c. Prepare composited fuel sam-
ples.EPA SW–846–3050Ba(for solid samples), ASTM D2013/D2013Ma 
(for coal), ASTM D5198aor TAPPI T266a(for biomass), or EPA 
3050aor equivalent. 
d. Determine heat content of the 
fuel type.ASTM D5865a(for coal) or ASTM E711a(for biomass), or ASTM 
D5864afor liquids and other solids, or ASTM D240aor equivalent. 
e. Determine moisture content of 
the fuel type.ASTM D3173aor ASTM E871,aor D5864, or ASTM D240,aor ASTM 
D95a(for liquid fuels), or ASTM D4006a(for liquid fuels), or ASTM 
D4177a(for liquid fuels) or ASTM D4057a(for liquid fuels), or 
equivalent. 
f. Measure TSM concentration in 
fuel sample.ASTM D3683,aor ASTM D4606,aor ASTM D6357aor EPA 200.8a 
or EPA SW–846–6020,aor EPA SW–846–6020A,aor EPA SW– 
846–6010C,aEPA 7060aor EPA 7060Aa(for arsenic only), or 
EPA SW–846–7740a(for selenium only). 
g. Convert concentrations into 
units of pounds of TSM per MMBtu of heat content.For fuel mixtures use Equation 9 in § 63.7530. 
aIncorporated by reference, see § 63.14. 
* * * * * 
Subpart UUUUU—National Emission 
Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units 
■25. Revise § 63.10010(h)(7)(i)(1) to 
read as follows: 
§ 63.10010 What are my monitoring, 
installation, operation, and maintenance requirements? 
* * * * * (h) * * * 
(7) * * * (i) * * * 
(1) Install and certify your PM CEMS 
according to the procedures and 
requirements in Performance Specification 11—Specifications and Test Procedures for Particulate Matter Continuous Emission Monitoring Systems at Stationary Sources in Appendix B to part 60 of this chapter, using Method 5 at Appendix A–3 to part 60 of this chapter and ensuring that the front half filter temperature shall be 
160° ±5 °C (320° ±9 °F). The reportable 
measurement output from the PM CEMS must be expressed in units of the applicable emissions limit (e.g., lb/ 
MMBtu, lb/MWh). 
* * * * * 
■26. Revise Table 5 to Subpart UUUUU 
of part 63 to read as follows: 
TABLE 5 TOSUBPART UUUUU OFPART63—P ERFORMANCE TESTING REQUIREMENTS  
[As stated in § 63.10007, you must comply with the following requirements performance testing for existing, new or reconstructed affected 
sources:1] 
To conduct a 
performance test for the following pollutant . . . Using . . . You must perform the following activities, as applicable to your input- or output-based emission limit . . . Using . . .
2 
1. Filterable Particulate 
matter (PM).Emissions Testing ...... a. Select sampling ports location and the 
number of traverse points.Method 1 at appendix A–1 to part 60 of this 
chapter. 
b. Determine velocity and volumetric flow-rate 
of the stack gas.Method 2, 2A, 2C, 2F, 2G or 2H at appendix 
A–1 or A–2 to part 60 of this chapter. 
c. Determine oxygen and carbon dioxide con-
centrations of the stack gas.Method 3A or 3B at appendix A–2 to part 60 
of this chapter, or ANSI/ASME PTC 19.10– 
1981.3 
d. Measure the moisture content of the stack 
gas.Method 4 at appendix A–3 to part 60 of this 
chapter. 
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TABLE 5 TOSUBPART UUUUU OFPART63—P ERFORMANCE TESTING REQUIREMENTS —Continued 
[As stated in § 63.10007, you must comply with the following requirements performance testing for existing, new or reconstructed affected 
sources:1] 
To conduct a 
performance test for the following pollutant . . . Using . . . You must perform the following activities, as applicable to your input- or output-based emission limit . . . Using . . .
2 
e. Measure the filterable PM concentration .... Methods 5 and 5I at appendix A–3 to part 60 
of this chapter. 
For positive pressure fabric filters, Method 5D 
at appendix A–3 to part 60 of this chapter 
for filterable PM emissions. 
Note that the Method 5 or 5I front half tem-
perature shall be 160° ±14 °C (320° ±25 
°F). 
f. Convert emissions concentration to lb/ 
MMBtu or lb/MWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
OR OR 
PM CEMS .................. a. Install, certify, operate, and maintain the 
PM CEMS.Performance Specification 11 at appendix B 
to part 60 of this chapter and Procedure 2 at appendix F to part 60 of this chapter. 
b. Install, certify, operate, and maintain the 
diluent gas, flow rate, and/or moisture mon-itoring systems.Part 75 of this chapter and § 63.10010(a), (b), 
(c), and (d). 
c. Convert hourly emissions concentrations to 
30 boiler operating day rolling average lb/ MMBtu or lb/MWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
2. Total or individual 
non-Hg HAP metals.Emissions Testing ...... a. Select sampling ports location and the 
number of traverse points.Method 1 at appendix A–1 to part 60 of this 
chapter. 
b. Determine velocity and volumetric flow-rate 
of the stack gas.Method 2, 2A, 2C, 2F, 2G or 2H at appendix 
A–1 or A–2 to part 60 of this chapter. 
c. Determine oxygen and carbon dioxide con-
centrations of the stack gas.Method 3A or 3B at appendix A–2 to part 60 
of this chapter, or ANSI/ASME PTC 19.10– 1981.
3 
d. Measure the moisture content of the stack 
gas.Method 4 at appendix A–3 to part 60 of this 
chapter. 
e. Measure the HAP metals emissions con-
centrations and determine each individual HAP metals emissions concentration, as well as the total filterable HAP metals emissions concentration and total HAP metals emissions concentration.Method 29 at appendix A–8 to part 60 of this 
chapter. For liquid oil-fired units, Hg is in-cluded in HAP metals and you may use Method 29, Method 30B at appendix A–8 to part 60 of this chapter; for Method 29, you must report the front half and back half results separately. When using Method 29, report metals matrix spike and recovery levels. 
f. Convert emissions concentrations (indi-
vidual HAP metals, total filterable HAP metals, and total HAP metals) to lb/MMBtu or lb/MWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
3. Hydrogen chloride 
(HCl) and hydrogen fluoride (HF).Emissions Testing ...... a. Select sampling ports location and the 
number of traverse points.Method 1 at appendix A–1 to part 60 of this 
chapter. 
b. Determine velocity and volumetric flow-rate 
of the stack gas.Method 2, 2A, 2C, 2F, 2G or 2H at appendix 
A–1 or A–2 to part 60 of this chapter. 
c. Determine oxygen and carbon dioxide con-
centrations of the stack gas.Method 3A or 3B at appendix A–2 to part 60 
of this chapter, or ANSI/ASME PTC 19.10– 1981.
3 
d. Measure the moisture content of the stack 
gas.Method 4 at appendix A–3 to part 60 of this 
chapter. 
e. Measure the HCl and HF emissions con-
centrations.Method 26 or Method 26A at appendix A–8 
to part 60 of this chapter or Method 320 at appendix A to part 63 of this chapter or ASTM 6348–03
3with 
(1) the following conditions when using ASTM 
D6348–03: 
(A) The test plan preparation and implemen-
tation in the Annexes to ASTM D6348–03, Sections A1 through A8 are mandatory; 
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TABLE 5 TOSUBPART UUUUU OFPART63—P ERFORMANCE TESTING REQUIREMENTS —Continued 
[As stated in § 63.10007, you must comply with the following requirements performance testing for existing, new or reconstructed affected 
sources:1] 
To conduct a 
performance test for the following pollutant . . . Using . . . You must perform the following activities, as applicable to your input- or output-based emission limit . . . Using . . .
2 
(B) For ASTM D6348–03 Annex A5 (Analyte 
Spiking Technique), the percent (%) R 
must be determined for each target analyte (see Equation A5.5); 
(C) For the ASTM D6348–03 test data to be 
acceptable for a target analyte, %R must be 70% ≥R ≤130%; and 
1Regarding emissions data collected during periods of startup or shutdown, see §§ 63.10020(b) and (c) and 63.10021(h). 
2See Tables 1 and 2 to this subpart for required sample volumes and/or sampling run times. 
3Incorporated by reference, see § 63.14. 
3.e.1(D) The %R value for each 
compound must be reported in the test report and all field measurements 
corrected with the calculated %R value for that compound using the following equation: 
and 
To conduct a 
performance test for the following pollutant . . . (cont’d) Using . . . (cont’d) You must perform the following activities, as applicable to your input- or output-based emission limit . . . Using . . .
2(cont’d) 
(2) spiking levels nominally no greater than 
two times the level corresponding to the 
applicable emission limit. 
Method 26A must be used if there are en-
trained water droplets in the exhaust stream. 
f. Convert emissions concentration to lb/ 
MMBtu or lb/MWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
OR OR 
HCl and/or HF CEMS a. Install, certify, operate, and maintain the 
HCl or HF CEMS.Appendix B of this subpart. 
b. Install, certify, operate, and maintain the 
diluent gas, flow rate, and/or moisture mon-itoring systems.Part 75 of this chapter and § 63.10010(a), (b), 
(c), and (d). 
c. Convert hourly emissions concentrations to 
30 boiler operating day rolling average lb/ MMBtu or lb/MWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
4. Mercury (Hg) ........... Emissions Testing ...... a. Select sampling ports location and the 
number of traverse points.Method 1 at appendix A–1 to part 60 of this 
chapter or Method 30B at Appendix A–8 for Method 30B point selection. 
b. Determine velocity and volumetric flow-rate 
of the stack gas.Method 2, 2A, 2C, 2F, 2G or 2H at appendix 
A–1 or A–2 to part 60 of this chapter. 
c. Determine oxygen and carbon dioxide con-
centrations of the stack gas.Method 3A or 3B at appendix A–1 to part 60 
of this chapter, or ANSI/ASME PTC 19.10– 1981.
3 
d. Measure the moisture content of the stack 
gas.Method 4 at appendix A–3 to part 60 of this 
chapter. 
e. Measure the Hg emission concentration .... Method 30B at appendix A–8 to part 60 of 
this chapter, ASTM D6784,3or Method 29 
at appendix A–8 to part 60 of this chapter; for Method 29, you must report the front half and back half results separately. 
f. Convert emissions concentration to lb/TBtu 
or lb/GWh emission rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
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To conduct a 
performance test for the following pollutant . . . (cont’d) Using . . . (cont’d) You must perform the following activities, as applicable to your input- or output-based emission limit . . . Using . . .
2(cont’d) 
OR OR 
Hg CEMS ................... a. Install, certify, operate, and maintain the 
CEMS.Sections 3.2.1 and 5.1 of appendix A of this 
subpart. 
b. Install, certify, operate, and maintain the 
diluent gas, flow rate, and/or moisture mon-
itoring systems.Part 75 of this chapter and § 63.10010(a), (b), 
(c), and (d). 
c. Convert hourly emissions concentrations to 
30 boiler operating day rolling average lb/ TBtu or lb/GWh emissions rates.Section 6 of appendix A to this subpart. 
OR OR 
Sorbent trap moni-
toring system.a. Install, certify, operate, and maintain the 
sorbent trap monitoring system.Sections 3.2.2 and 5.2 of appendix A to this 
subpart. 
b. Install, operate, and maintain the diluent 
gas, flow rate, and/or moisture monitoring systems.Part 75 of this chapter and § 63.10010(a), (b), 
(c), and (d). 
c. Convert emissions concentrations to 30 
boiler operating day rolling average lb/TBtu or lb/GWh emissions rates.Section 6 of appendix A to this subpart. 
OR OR 
LEE testing ................. a. Select sampling ports location and the 
number of traverse points.Single point located at the 10% centroidal 
area of the duct at a port location per Method 1 at appendix A–1 to part 60 of this chapter or Method 30B at Appendix A– 8 for Method 30B point selection. 
b. Determine velocity and volumetric flow-rate 
of the stack gas.Method 2, 2A, 2C, 2F, 2G, or 2H at appendix 
A–1 or A–2 to part 60 of this chapter or flow monitoring system certified per appen-dix A of this subpart. 
c. Determine oxygen and carbon dioxide con-
centrations of the stack gas.Method 3A or 3B at appendix A–1 to part 60 
of this chapter, or ANSI/ASME PTC 19.10– 1981,
3or diluent gas monitoring systems 
certified according to part 75 of this chap-ter. 
d. Measure the moisture content of the stack 
gas.Method 4 at appendix A–3 to part 60 of this 
chapter, or moisture monitoring systems certified according to part 75 of this chap-ter. 
e. Measure the Hg emission concentration .... Method 30B at appendix A–8 to part 60 of 
this chapter; perform a 30 operating day test, with a maximum of 10 operating days per run (i.e., per pair of sorbent traps) or 
sorbent trap monitoring system or Hg CEMS certified per appendix A of this sub-part. 
f. Convert emissions concentrations from the 
LEE test to lb/TBtu or lb/GWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
g. Convert average lb/TBtu or lb/GWh Hg 
emission rate to lb/year, if you are attempt-ing to meet the 29.0 lb/year threshold.Potential maximum annual heat input in TBtu 
or potential maximum electricity generated in GWh. 
5. Sulfur dioxide (SO 2) SO 2CEMS ................. a. Install, certify, operate, and maintain the 
CEMS.Part 75 of this chapter and § 63.10010(a) and 
(f). 
b. Install, operate, and maintain the diluent 
gas, flow rate, and/or moisture monitoring systems.Part 75 of this chapter and § 63.10010(a), (b), 
(c), and (d). 
c. Convert hourly emissions concentrations to 
30 boiler operating day rolling average lb/ MMBtu or lb/MWh emissions rates.Method 19 F-factor methodology at appendix 
A–7 to part 60 of this chapter, or calculate using mass emissions rate and gross out-put data (see § 63.10007(e)). 
2See Tables 1 and 2 to this subpart for required sample volumes and/or sampling run times. 
3Incorporated by reference, see § 63.14. 
* * * * * 
■27. In appendix A to part 63: 
■a. Revise section 12.4 in Method 303. 
■b. Revise sections 2.0, 7.2.3.3, 8.1.2, 
9.1, 11.3.2, and 12.1 in Method 308. ■c. Remove and reserve section 7.2.2 in 
Method 308. 
■d. Add sections 12.5 and 13.0 in 
Method 308. 
■e. Revise section 9.2.3 in Method 320.. 
■f. Revise section 12.9 in Method 323. ■g. Revise section 8.2.1.3, Figure 8.1. 
and section 8.2.3.2 in Method 325A. 
■h. Add section 8.2.3.3 in Method 
325A. 
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■i. Revise sections 9.3.2, 9.13, 11.3.2.5, 
and 12.2.2 and table 17–1 in Method 
325B. 
■j. Remove sections 12.2.3 and 12.2.4 
in Method 325B. 
The revisions read as follows: Appendix A to Part 63—Test Methods 
Pollutant Measurement Methods From Various Waste Media 
* * * * * 
Method 303—Determination of Visible 
Emissions From By-Product Coke Oven Batteries 
* * * * * 12.4 Average Duration of VE from 
Charging Operations. Use Equation 303–3 to 
calculate the daily 30-day rolling log average of seconds of visible emissions from the charging operation for each battery using these current day’s observations and the 29 previous valid daily sets of observations. 
* * * * * 
Method 308—Procedure for Determination 
of Methanol Emission From Stationary Sources 
* * * * * 
2.0 Summary of Method 
A gas sample is extracted from the 
sampling point in the stack. The methanol is 
collected in deionized distilled water and adsorbed on silica gel. The sample is returned to the laboratory where the methanol in the water fraction is separated from other organic compounds with a gas chromatograph (GC) and is then measured by a flame ionization detector (FID). The fraction adsorbed on silica gel is extracted with deionized distilled water and is then separated and measured by GC/FID. 
* * * * * 7.2.2 [Reserved]. 
* * * * * 
7.2.3.3 Methanol Standards for Adsorbent 
Tube Samples. Prepare a series of methanol 
standards by first pipetting 10 ml of the methanol working standard into a 100-ml volumetric flask and diluting the contents to exactly 100 ml with deionized distilled water. This standard will contain 10 mg/ml of methanol. Pipette 5, 15, and 25 ml of this standard, respectively, into four 50-ml volumetric flasks. Dilute each solution to 50 ml with deionized distilled water. These standards will have 1, 3, and 5 mg/ml of methanol, respectively. Transfer all four standards into 40-ml glass vials capped with Teflon
®-lined septa and store under 
refrigeration. Discard any excess solution. 
* * * * * 8.1.2 Leak Check. A leak check before 
and after the sampling run is mandatory. The leak-check procedure is as follows: 
Temporarily attach a suitable (e.g., 0- to 40- 
ml/min) rotameter to the outlet of the DGM, and place a vacuum gauge at or near the probe inlet. Plug the probe inlet, pull a 
vacuum of at least 250 mm (10 inch) Hg or the highest vacuum experienced during the sampling run, and note the flow rate as indicated by the rotameter. A leakage rate in excess of 2 percent of the average sampling rate is acceptable. 
Note: Carefully release the probe inlet plug 
before turning off the pump. 
* * * * * 
9.1 Miscellaneous Quality Control 
Measures. The following quality control measures are required: 
Section Quality control measure Effect 
8.1.2, 8.1.3, 10.1 ......... Sampling equipment leak check and calibration ................. Ensures accurate measurement of sample volume. 
10.2 ............................. GC calibration ...................................................................... Ensures precision of GC analysis. 
13.0 ............................. Methanol spike recovery check ........................................... Verifies all methanol in stack gas is being captured in im-
pinge/adsorbent tube setup. 
* * * * * 
11.3.2 Desorption of Samples. Add 3 ml 
of deionized distilled water to each of the 
stoppered vials and shake or vibrate the vials for 30 minutes. 
* * * * * 
12.1 Nomenclature. 
Caf= Concentration of methanol in the front 
of the adsorbent tube, mg/ml. 
Cab= Concentration of methanol in the back 
of the adsorbent tube, mg/ml. 
Ci= Concentration of methanol in the 
impinger portion of the sample train, mg/ 
ml. 
E = Mass emission rate of methanol, mg/hr 
(lb/hr). 
ms= Total mass of compound measured in 
impinger and on adsorbent with spiked train (mg). m
u= Total mass of compound measured in 
impinger and on adsorbent with 
unspiked train (mg). 
mv= Mass per volume of spiked compound 
measured (mg/L). 
Mtot= Total mass of methanol collected in 
the sample train, mg. 
Pbar= Barometric pressure at the exit orifice 
of the DGM, mm Hg (in. Hg). 
Pstd= Standard absolute pressure, 760 mm Hg 
(29.92 in. Hg). 
Qstd= Dry volumetric stack gas flow rate 
corrected to standard conditions, dscm/ hr (dscf/hr). 
R = fraction of spiked compound recovered 
s = theoretical concentration (ppm) of spiked 
target compound 
T
m= Average DGM absolute temperature, 
degrees K (°R). Tstd= Standard absolute temperature, 293 
degrees K (528 °R). 
Vaf= Volume of front half adsorbent sample, 
ml. 
Vab= Volume of back half adsorbent sample, 
ml. 
Vi= Volume of impinger sample, ml. 
Vm= Dry gas volume as measured by the 
DGM, dry cubic meters (dcm), dry cubic 
feet (dcf). 
Vm(std)= Dry gas volume measured by the 
DGM, corrected to standard conditions, dry standard cubic meters (dscm), dry standard cubic feet (dscf). 
* * * * * 
12.5 Recovery Fraction (R) 
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13.0 Method Performance 
Since a potential sample may contain a 
variety of compounds from various sources, 
a specific precision limit for the analysis of field samples is impractical. Precision in the range of 5 to 10 percent relative standard deviation (RSD) is typical for gas chromatographic techniques, but an experienced GC operator with a reliable instrument can readily achieve 5 percent RSD. For this method, the following 
combined GC/operator values are required. 
(a) Precision. Triplicate analyses of 
calibration standards fall within 5 percent of their mean value. 
(b) Recovery. After developing an 
appropriate sampling and analytical system for the pollutants of interest, conduct the following spike recovery procedure at each 
sampling point where the method is being applied. 
i. Methanol Spike. Set up two identical 
sampling trains. Collocate the two sampling 
probes in the stack. The probes shall be placed in the same horizontal plane, where the first probe tip is 2.5 cm from the outside edge of the other. One of the sampling trains shall be designated the spiked train and the other the unspiked train. Spike methanol into the impinger, and onto the adsorbent tube in the spiked train prior to sampling. The total mass of methanol shall be 40 to 60 percent of the mass expected to be collected with the unspiked train. Sample the stack gas into the two trains simultaneously. Analyze the impingers and adsorbents from the two trains utilizing identical analytical procedures and 
instrumentation. Determine the fraction of 
spiked methanol recovered (R) by combining the amount recovered in the impinger and in the adsorbent tube, using the equations in section 12.5. Recovery values must fall in the range: 0.70 ≤R ≤1.30. Report the R value in 
the test report. 
* * * * * 
Method 320—Measurement of Vapor Phase 
Organic and Inorganic Emissions by Extractive Fourier Transform Infrared (FTIR) Spectroscopy 
* * * * * 
9.2.3 Calculate the dilution ratio using 
the tracer gas as follows: 
Where: 
DF = Dilution factor of the spike gas; this 
value shall be ≥10. 
SF6(dir)= SF 6(or tracer gas) concentration 
measured directly in undiluted spike 
gas. 
SF6(spk)= Diluted SF 6(or tracer gas) 
concentration measured in a spiked sample. Spike
dir= Concentration of the analyte in the 
spike standard measured by filling the 
FTIR cell directly. 
CS = Expected concentration of the spiked 
samples. 
Unspike = Native concentration of analytes 
in unspiked samples. 
* * * * * Method 323—Measurment of Formaldehyde 
Emissions From Natural Gas-Fired Stationary Sources-Acetyl Acetone Derivitization Method 
* * * * * 
12.9 Formaldehyde Concentration 
Corrected to 15% Oxygen 
* * * * * 
Method 325A—Volatile Organic Compounds 
From Fugitive and Area Sources: Sampler Deployment and VOC Sample Collection 
* * * * * 
8.2.1.3 Extra samplers must be placed 
near known sources of VOCs if the potential emission source is within 50 meters (162 
feet) of the boundary and the source location is between two monitors. Measure the distance (x) between the two monitors and place another monitor approximately 
halfway between (x/2 ±10 percent) the two monitors. Only one extra sampler is required between two monitors to account for the known source of VOCs. For example, in 
Figure 8.1, the facility added three additional monitors (i.e., light shaded sampler 
locations) and in Figure 8.2, the facility added two additional monitors to provide sufficient coverage of all area sources. 
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* * * * * 
8.2.3.2 For facilities with a monitoring 
perimeter length greater than or equal to 
7,315 meters (24,000 feet), sampling locations are spaced 610 ±76 meters (2,000 ±250 feet) apart. 
8.2.3.3 Unless otherwise specified in an 
applicable regulation, permit or other 
requirement, for small disconnected subareas with known sources within 50 meters (162 feet) of the monitoring perimeter, sampling points need not be placed closer than 152 meters (500 feet) apart as long as a minimum of 3 monitoring locations are used for each subarea. 
* * * * * 
Method 325B—Volatile Organic Compounds From Fugitive and Area Sources: Sampler Preparation and Analysis 
* * * * * 9.3.2 Field blanks must be shipped to the 
monitoring site with the sampling tubes and 
must be stored at the sampling location throughout the monitoring exercise. The field blanks must be installed under a protective hood/cover at the sampling location, but the long-term storage caps must remain in place throughout the monitoring period (see Method 325A). The field blanks are then shipped back to the laboratory in the same container as the sampled tubes. Collect at least two field blank samples per sampling period to ensure sample integrity associated with shipment, collection, and storage. 
* * * * * 
9.13 Routine CCV at the Start of a 
Sequence. Run CCV before each sequence of analyses and after every tenth sample to 
ensure that the previous multi-level calibration (see Section 10.0) is still valid. 
* * * * * 11.3.2.5 Whenever the thermal 
desorption—GC/MS analytical method is 
changed or major equipment maintenance is performed, you must conduct a new five- level calibration (see Section 10.0). System calibration remains valid as long as results from subsequent CCV are within 30 percent of the most recent 5-point calibration (see Section 9.13). Include relevant CCV data in the supporting information in the data report for each set of samples. 
* * * * * 
12.2.2 Determine the equivalent 
concentrations of compounds in atmospheres as follows. Correct target compound concentrations determined at the sampling site temperature and atmospheric pressure to standard conditions (25 °C and 760 mm mercury) using Equation 12.5. 
Where: m meas= The mass of the compound as 
measured in the sorbent tube (mg). t = The exposure time (minutes). 
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tss= The average temperature during the 
collection period at the sampling site (K). 
UNTP= The method defined diffusive uptake 
rate (sampling rate) (mL/min). 
Note: Diffusive uptake rates (U std) for 
common VOCs, using carbon sorbents packed into sorbent tubes of the dimensions 
specified in Section 6.1, are listed in Table 12.1. Adjust analytical conditions to keep expected sampled masses within range (see Sections 11.3.1.3 to 11.3.1.5). Best possible method detection limits are typically in the order of 0.1 ppb for 1,3-butadiene and 0.05 
ppb for volatile aromatics such as benzene for 14-day monitoring. However, actual detection limits will depend upon the analytical conditions selected. 
* * * * * 
TABLE 17.1—S UMMARY OF GC/MS A NALYSIS QUALITY CONTROL PROCEDURES  
Parameter Frequency Acceptance criteria Corrective action 
Bromofluorobenzene Instrument 
Tune Performance Check.Dailyaprior to sample analysis .... Evaluation criteria presented in 
Section 9.5 and Table 9.2.(1) Retune and or (2) Perform Maintenance. 
Five point calibration bracketing 
the expected sample concentra-tion.Following any major change, re-
pair or maintenance or if daily CCV does not meet method re-quirements. Recalibration not to exceed three months.(1) Percent Deviation (%DEV) of 
response factors ±30%.
(2) Relative Retention Times 
(RRTs) for target peaks ±0.06 units from mean RRT.(1) Repeat calibration sample 
analysis. 
(2) Repeat linearity check. (3) Prepare new calibration stand-
ards as necessary and repeat analysis. 
Calibration Verification (CCV Sec-
ond source calibration verification check).Following the calibration curve ..... The response factor ±30% DEV 
from calibration curve average response factor.(1) Repeat calibration check. (2) Repeat calibration curve. 
Laboratory Blank Analysis ............. Dailyafollowing bromofluoro- ben-
zene and calibration check; prior to sample analysis.(1) ≤0.2 ppbv per analyte or ≤3 
times the LOD, whichever is greater.
(2) Internal Standard (IS) area re-
sponse ±40% and IS Retention 
Time (RT) ±0.33 min. of most recent calibration check.(1) Repeat analysis with new 
blank tube. 
(2) Check system for leaks, con-
tamination. 
(3) Analyze additional blank. 
Blank Sorbent Tube Certification ... One tube analyzed for each batch 
of tubes cleaned or 10 percent of tubes whichever is greater.<0.2 ppbv per VOC targeted com-
pound or 3 times the LOD, whichever is greater.Re-clean all tubes in batch and 
reanalyze. 
Samples—Internal Standards ........ All samples ................................... IS area response ±40% and IS 
RT ±0.33 min. of most recent 
calibration validation.Flag Data for possible invalida-
tion. 
Field Blanks ................................... Two per sampling period .............. No greater than one-third of the 
measured target analyte or compliance limit..Flag Data for possible invalidation 
due to high blank bias. 
aEvery 24 hours. 
* * * * * 
[FR Doc. 2018–00470 Filed 1–25–18; 8:45 am] 
BILLING CODE 6560–50–P 
ENVIRONMENTAL PROTECTION 
AGENCY 
40 CFR Part 62 
[EPA–R08–OAR–2017–0698; FRL–9972–54- 
Region 8] 
Approval and Promulgation of State 
Plans for Designated Facilities and Pollutants; North Dakota; Control of Emissions From Existing Commercial and Industrial Solid Waste Incineration Units 
AGENCY : Environmental Protection 
Agency (EPA). 
ACTION : Proposed rule. 
SUMMARY : The Environmental Protection 
Agency (EPA) is proposing to approve a Clean Air Act (CAA) section 111(d)/129 plan (the ‘‘plan’’) submitted by the Division of Air Quality of the North Dakota Department of Health (the ‘‘Department’’) on June 12, 2014. The plan would allow for the implementation of emissions guidelines for existing commercial and industrial solid waste incineration (CISWI) units within the jurisdiction of the State of North Dakota. The plan creates new enforceable emissions limits and operating procedures for existing CISWI units within the State of North Dakota in accordance with the requirements established by the revised CISWI new source performance standards (NSPS) and emission guidelines (EG), promulgated by the EPA on March 21, 2011, with subsequent final amendments to the rule promulgated on February 7, 2013. This proposed plan approval rulemaking is being taken in accordance with the requirements of sections 111(d) and 129 of the CAA and the relevant parts and subparts of the Code of Federal Regulations (CFR). 
DATES : Written comments must be 
received on or before February 26, 2018. 
ADDRESSES : Submit your comments, 
identified by Docket ID No. EPA–R08– OAR–2017–0698 at http://www.regulations.gov. Follow the online 
instructions for submitting comments. Once submitted, comments cannot be edited or removed from www.regulations.gov. The EPA may 
publish any comment received to its 
public docket. Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make. The EPA will generally not consider comments or comment contents located outside of the primary submission (i.e., on the web, 
cloud, or other file sharing system). For additional submission methods, the full EPA public comment policy, information about CBI or multimedia submissions, and general guidance on 
making effective comments, please visit http://www2.epa.gov/dockets/ commenting-epa-dockets. 
FOR FURTHER INFORMATION CONTACT : 
Gregory Lohrke, Air Program, U.S. Environmental Protection Agency (EPA), Region 8, Mail Code 8P–AR, 1595 Wynkoop Street, Denver, Colorado 
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