Recent Postings of Broadly Applicable Alternative Test Methods, 3296-3298 [2022-01124]

Download as PDF 3296 Federal Register / Vol. 87, No. 14 / Friday, January 21, 2022 / Notices pathway), and Methylene Chloride or MC (air and water pathway). C. How can I access the documents submitted for review to the SACC? EPA’s background documents, related supporting materials, and draft charge questions to the SACC are available in the docket established for this meeting at https://www.regulations.gov; docket ID number EPA–HQ–OPPT–2021–0415 and on the SACC website. In addition, EPA will provide additional background documents (e.g., SACC members and consultants participating in this meeting and the meeting agenda) as the materials become available. You may obtain electronic copies of these documents, and certain other related documents that might be available, in the docket at https://www.regulations.gov and the SACC website at https://www.epa.gov/ tsca-peer-review. After the public meeting, the SACC will prepare meeting minutes summarizing its recommendations to the EPA. The meeting minutes will be posted on the SACC website and in the docket. jspears on DSK121TN23PROD with NOTICES1 III. Public Participation Instructions To participate in the Exposures to Fenceline Communities virtual public meeting, please follow the instructions in this unit. A. How can I provide comments for the SACC’s consideration? To ensure proper receipt of comments it is imperative that you identify docket ID No. EPA–HQ–OPPT–2021–0415 in the subject line on the first page of your comments. 1. Written comments. The Agency encourages written comments for this meeting be submitted by the date set in the DATES section of this document and using the additional instructions in ADDRESSES and Unit I.B. and C. and Unit III, of this document. Anyone submitting written comments after this date, should contact the DFO listed under FOR FURTHER INFORMATION CONTACT. If you submit comments after the date set in the DATES section, those comments will be provided to the SACC members, but you should recognize that the SACC members may not have adequate time to consider your written comments prior to their discussion. 2. Oral comments. The Agency encourages each individual or group wishing to make brief oral comments to the SACC during the peer review virtual meeting to please follow the registration instructions that will be announced on the SACC website (https://www.epa.gov/ tsca-peer-review) by early February 2022. VerDate Sep<11>2014 17:39 Jan 20, 2022 Jkt 256001 Oral comments before the SACC during the peer review virtual meeting are limited to 5 minutes unless arrangements have been made prior to the date set in the DATES section. In addition, each speaker should email a copy of his/her comments to the DFO prior to the meeting for distribution to the SACC. B. How can I participate in the virtual public meeting? This meeting is virtual and viewed via webcast. For information on how to first register and then view the webcast, please refer to the SACC website at https://www.epa.gov/tsca-peer-review. EPA intends to announce registration instructions on the SACC website by early February 2022. Authority: 15 U.S.C. 2601 et seq. Dated: January 18, 2022. Michal Freedhoff, Assistant Administrator, Office of Chemicals Safety and Pollution Prevention. [FR Doc. 2022–01185 Filed 1–20–22; 8:45 am] BILLING CODE 6560–50–P ENVIRONMENTAL PROTECTION AGENCY [EPA–HQ–OAR–2007–1196; FRL–9469–01– OAR] Recent Postings of Broadly Applicable Alternative Test Methods Environmental Protection Agency (EPA). ACTION: Notice of availability. AGENCY: This notice announces the broadly applicable alternative test method approval decisions that the Environmental Protection Agency (EPA) made under and in support of New Source Performance Standards (NSPS) and the National Emission Standards for Hazardous Air Pollutants (NESHAP) between January 1, 2021, and December 31, 2021. FOR FURTHER INFORMATION CONTACT: An electronic copy of each alternative test method approval document is available at https://www.epa.gov/emc/broadlyapplicable-approved-alternative-testmethods. For questions about this notice, contact Mrs. Lula H. Melton, Air Quality Assessment Division, Office of Air Quality Planning and Standards (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. For technical questions about individual alternative test method decisions, refer to the contact person identified in the individual approval document(s). SUMMARY: PO 00000 Frm 00019 Fmt 4703 Sfmt 4703 SUPPLEMENTARY INFORMATION: I. General Information A. Does this notice apply to me? This notice will be of interest to entities regulated under title 40 Code of Federal Regulations (CFR) parts 59, 60, 61, 63 and 65; state, local, and tribal agencies; and the EPA Regional offices responsible for implementation and enforcement of regulations under 40 CFR parts 59, 60, 61, 63, and 65. B. How can I get copies of this information? You may access copies of the broadly applicable alternative test method approval documents at https:// www.epa.gov/emc/broadly-applicableapproved-alternative-test-methods. II. Background This notice identifies broadly applicable alternative test methods that the EPA approved in 2020 under the New Source Performance Standards (NSPS), 40 CFR part 60, and the National Emission Standards for Hazardous Air Pollutants (NESHAP) programs, 40 CFR parts 61 and 63. See Table 1 of this notice for the summary of these test methods. Source owners and operators may voluntarily use these broadly applicable alternative test methods in lieu of otherwise required test methods or related testing procedures. Use of these broadly applicable alternative test methods are not intended to and should not change the applicable emission standards. The Administrator has the authority to approve the use of alternative test methods for compliance with requirements under 40 CFR parts 60, 61, and 63. This authority is found in 40 CFR 60.8(b)(3), 61.13(h)(1)(ii), and 63.7(e)(2)(ii). Additional and similar authority can be found in 40 CFR 59.104(f) and 65.158(a)(2). The criteria for approval and procedures for submission and review of broadly applicable alternative test methods are explained in a previous Federal Register notice published at 72 FR 4257 (January 30, 2007) and located at https://www.epa.gov/emc/broadlyapplicable-approved-alternative-testmethods. As explained in this notice, we will announce approvals for broadly applicable alternative test methods at https://www.epa.gov/emc/broadlyapplicable-approved-alternative-testmethods as they are issued and publish an annual notice that summarizes approvals for broadly applicable alternative test methods during the preceding year. As also explained in the January 30, 2007 notice, our approval decisions E:\FR\FM\21JAN1.SGM 21JAN1 Federal Register / Vol. 87, No. 14 / Friday, January 21, 2022 / Notices involve thorough technical reviews of numerous source-specific requests for alternatives and modifications to test methods and procedures. Based on these reviews, we have often found that these modifications or alternatives would be equally valid and appropriate to apply to other sources within a particular class, category, or subcategory. Consequently, we have concluded that where a method modification or an alternative method is clearly broadly applicable to a class, category, or subcategory of sources, it is both equitable and efficient to simultaneously approve its use for all appropriate sources and situations. Use of approved alternative test methods are not mandatory but rather permissive. Sources are not required to employ such a method but may choose to do so in appropriate circumstances. As specified in 40 CFR 63.7(f)(5), however, a source owner or operator electing to use an alternative method for 40 CFR part 63 standards must continue to use the alternative method until otherwise authorized. Source owners or operators should, therefore, review the specific broadly applicable alternative method approval decision at https:// www.epa.gov/emc/broadly-applicableapproved-alternative-test-methods before electing to employ any alternative method. III. Approved Alternative Test Methods and Modifications to Test Methods This notice specifies six broadly applicable alternative test methods that the EPA approved between January 1, 2021, and December 31, 2021. The alternative method decision letter/ memo designation numbers, test methods affected, sources allowed to use this alternative, and method modifications or alternative methods allowed are summarized in Table 1 of this notice. A summary of approval documents was previously made available on our Technology Transfer Network between January 1, 2021, and December 31, 2021. For more detailed information, please refer to the complete copies of these approval documents 3297 available at https://www.epa.gov/emc/ broadly-applicable-approvedalternative-test-methods. As also explained in our January 30, 2007 notice, we will revisit approvals of alternative test methods in response to written requests or objections indicating that a particular approved alternative test method either should not be broadly applicable or that its use is not appropriate or should be limited in some way. Any objection to a broadly applicable alternative test method, as well as the resolution of that objection, will be announced at https:// www.epa.gov/emc/broadly-applicableapproved-alternative-test-methods and in a subsequent Federal Register notice. If we decide to retract a broadly applicable test method, we will likely consider the need for an appropriate transition period for users either to request case-by-case approval or to transition to an approved method. Richard A. Wayland, Director, Air Quality Assessment Division. TABLE 1—APPROVED ALTERNATIVE TEST METHODS AND MODIFICATIONS TO TEST METHODS REFERENCED IN OR PUBLISHED UNDER APPENDICES IN 40 CFR PARTS 60, 61, AND 63 POSTED BETWEEN JANUARY 2021 AND DECEMBER 2021 a jspears on DSK121TN23PROD with NOTICES1 Alternative method decision letter/ memo number As an alternative or modification to . . . For . . . You may . . . ALT–140 .................. Method 28R for Certification and Auditing of Wood Heaters. Sources subject to 40 CFR part 60, subpart AAA—Standards of Performance for New Residential Wood Heaters. ALT–141 .................. Section A6.4.1 of ASTM D6348–03 ..... ALT–142 .................. Method 18—Measurement of Gaseous Organic Compound Emissions by Gas Chromatography or Method 25A—Determination of Total Gaseous Organic Concentration Using a Flame Ionization Analyzer. Sources subject to 40 CFR part 60, subpart JJJJ—Standards of Performance for Stationary Spark Ignition Internal Combustion Engines and 40 CFR part 63, subpart ZZZZ—National Emission Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines. Sources subject to 40 CFR part 63, subpart O—National Emission Standards for Hazardous Air Pollutants (NESHAP): Ethylene Oxide Emission Standards for Sterilization Facilities. Use the Integrated Duty Cycle Test Method for Certification of Wood Fired Stoves Using Cordwood: Measurement of Particulate Matter (PM) and Carbon Monoxide (CO) Emissions and Heating Efficiency with the modifications listed in the Agency’s approval letter dated March 31, 2021. Use section 8.3.3 of Method 320— Measurement of Vapor Phase Organic and Inorganic Emissions by Extractive Fourier Transform Infrared (FTIR) Spectroscopy. ALT–143 .................. Method 10—Determination of Carbon Monoxide Emissions From Stationary Sources (Instrumental Analyzer Procedure). VerDate Sep<11>2014 18:17 Jan 20, 2022 Jkt 256001 PO 00000 Frm 00020 Sources subject to 40 CFR part 63, subpart AAAA—National Emission Standards for Hazardous Air Pollutants: Municipal Solid Waste Landfills Residual Risk and Technology Review. Fmt 4703 Sfmt 4703 E:\FR\FM\21JAN1.SGM Use Method 320—Measurement of Vapor Phase Organic and Inorganic Emissions by Extractive Fourier Transform Infrared (FTIR) Spectroscopy with the provisos specified in the Agency’s approval letter dated March 4, 2021. Use the alternative method attached to the Agency’s approval letter dated September 14, 2021. 21JAN1 3298 Federal Register / Vol. 87, No. 14 / Friday, January 21, 2022 / Notices TABLE 1—APPROVED ALTERNATIVE TEST METHODS AND MODIFICATIONS TO TEST METHODS REFERENCED IN OR PUBLISHED UNDER APPENDICES IN 40 CFR PARTS 60, 61, AND 63 POSTED BETWEEN JANUARY 2021 AND DECEMBER 2021 a—Continued Alternative method decision letter/ memo number As an alternative or modification to . . . For . . . You may . . . ALT–144 .................. Method 10—Determination of Carbon Monoxide Emissions From Stationary Sources (Instrumental Analyzer Procedure). Use the alternative method attached to the Agency’s approval letter dated September 30, 2021. ALT–145 .................. Method 10—Determination of Carbon Monoxide Emissions From Stationary Sources (Instrumental Analyzer Procedure). Sources subject to 40 CFR part 63, subpart AAAA—National Emission Standards for Hazardous Air Pollutants: Municipal Solid Waste Landfills Residual Risk and Technology Review. Sources subject to 40 CFR part 63, subpart AAAA—National Emission Standards for Hazardous Air Pollutants: Municipal Solid Waste Landfills Residual Risk and Technology Review. Use the alternative method attached to the Agency’s approval letter dated September 30, 2021. a Source owners or operators should review the specific broadly applicable alternative method approval letter at https://www.epa.gov/emc/ broadly-applicable-approved-alternative-test-methods before electing to employ any alternative test method. BILLING CODE 6560–50–P Dated: January 14, 2022. Cindy S. Barger, Director, NEPA Compliance Division, Office of Federal Activities. ENVIRONMENTAL PROTECTION AGENCY [FR Doc. 2022–01149 Filed 1–20–22; 8:45 am] [FR Doc. 2022–01124 Filed 1–20–22; 8:45 am] BILLING CODE 6560–50–P [ER–FRL–9060–4] FEDERAL COMMUNICATIONS COMMISSION Environmental Impact Statements; Notice of Availability [OMB 3060–1096; FR ID 67771] Responsible Agency: Office of Federal Activities, General Information 202– 564–5632 or https://www.epa.gov/nepa. Weekly receipt of Environmental Impact Statements (EIS) Filed January 10, 2022 10 a.m. EST Through January 14, 2022 10 a.m. EST Pursuant to 40 CFR 1506.9. Notice: Section 309(a) of the Clean Air Act requires that EPA make public its comments on EISs issued by other Federal agencies. EPA’s comment letters on EISs are available at: https:// cdxnodengn.epa.gov/cdx-enepa-public/ action/eis/search. EIS No. 20220006, Final, NMFS, ME, Amendment 23 to the Northeast Multispecies Fishery Management Plan, Review Period Ends: 02/22/ 2022, Contact: Mark Grant 978–281– 9145. jspears on DSK121TN23PROD with NOTICES1 Amended Notice EIS No. 20210179, Draft, Caltrans, CA, Cajalco Road Widening and Safety Enhancement Project, Comment Period Ends: 03/03/2022, Contact: Aaron Burton 909–383–2841. Revision to FR Notice Published 12/ 03/2021; Extending the Comment Period from 01/18/2022 to 03/03/ 2022. VerDate Sep<11>2014 18:17 Jan 20, 2022 Jkt 256001 Information Collection Being Reviewed by the Federal Communications Commission Federal Communications Commission. ACTION: Notice and request for comments. AGENCY: As part of its continuing effort to reduce paperwork burdens, and as required by the Paperwork Reduction Act (PRA) of 1995, the Federal Communications Commission (FCC or the Commission) invites the general public and other Federal agencies to take this opportunity to comment on the following information collection. Comments are requested concerning: Whether the proposed collection of information is necessary for the proper performance of the functions of the Commission, including whether the information shall have practical utility; the accuracy of the Commission’s burden estimate; ways to enhance the quality, utility, and clarity of the information collected; ways to minimize the burden of the collection of information on the respondents, including the use of automated collection techniques or other forms of information technology; and ways to further reduce the information SUMMARY: PO 00000 Frm 00021 Fmt 4703 Sfmt 4703 collection burden on small business concerns with fewer than 25 employees. The FCC may not conduct or sponsor a collection of information unless it displays a currently valid control number. No person shall be subject to any penalty for failing to comply with a collection of information subject to the PRA that does not display a valid Office of Management and Budget (OMB) control number. DATES: Written PRA comments should be submitted on or before March 22, 2022. If you anticipate that you will be submitting comments, but find it difficult to do so within the period of time allowed by this notice, you should advise the contact listed below as soon as possible. ADDRESSES: Direct all PRA comments to Nicole Ongele, FCC, via email PRA@ fcc.gov and to nicole.ongele@fcc.gov. FOR FURTHER INFORMATION CONTACT: For additional information about the information collection, contact Nicole Ongele, (202) 418–2991. SUPPLEMENTARY INFORMATION: OMB Control Number: 3060–1096. Title: Prepaid Calling Card Service Provider Certification, WC Docket No. 05–68. Form Number: N/A. Type of Review: Extension of a currently approved collection. Respondents: Business or other forprofit entities. Number of Respondents and Responses: 121 respondents; 1,452 responses. Estimated Time per Response: 2.5 hours–20 hours. Frequency of Response: Quarterly reporting requirement, third party disclosure requirement and recordkeeping requirement. E:\FR\FM\21JAN1.SGM 21JAN1

Agencies

[Federal Register Volume 87, Number 14 (Friday, January 21, 2022)]
[Notices]
[Pages 3296-3298]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2022-01124]


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

ENVIRONMENTAL PROTECTION AGENCY

[EPA-HQ-OAR-2007-1196; FRL-9469-01-OAR]


Recent Postings of Broadly Applicable Alternative Test Methods

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of availability.

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

SUMMARY: This notice announces the broadly applicable alternative test 
method approval decisions that the Environmental Protection Agency 
(EPA) made under and in support of New Source Performance Standards 
(NSPS) and the National Emission Standards for Hazardous Air Pollutants 
(NESHAP) between January 1, 2021, and December 31, 2021.

FOR FURTHER INFORMATION CONTACT: An electronic copy of each alternative 
test method approval document is available at https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods. For questions 
about this notice, contact Mrs. Lula H. Melton, Air Quality Assessment 
Division, Office of Air Quality Planning and Standards (E143-02), 
Environmental Protection Agency, Research Triangle Park, NC 27711; 
telephone number: (919) 541-2910; fax number: (919) 541-0516; email 
address: [email protected]. For technical questions about individual 
alternative test method decisions, refer to the contact person 
identified in the individual approval document(s).

SUPPLEMENTARY INFORMATION:

I. General Information

A. Does this notice apply to me?

    This notice will be of interest to entities regulated under title 
40 Code of Federal Regulations (CFR) parts 59, 60, 61, 63 and 65; 
state, local, and tribal agencies; and the EPA Regional offices 
responsible for implementation and enforcement of regulations under 40 
CFR parts 59, 60, 61, 63, and 65.

B. How can I get copies of this information?

    You may access copies of the broadly applicable alternative test 
method approval documents at https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods.

II. Background

    This notice identifies broadly applicable alternative test methods 
that the EPA approved in 2020 under the New Source Performance 
Standards (NSPS), 40 CFR part 60, and the National Emission Standards 
for Hazardous Air Pollutants (NESHAP) programs, 40 CFR parts 61 and 63. 
See Table 1 of this notice for the summary of these test methods. 
Source owners and operators may voluntarily use these broadly 
applicable alternative test methods in lieu of otherwise required test 
methods or related testing procedures. Use of these broadly applicable 
alternative test methods are not intended to and should not change the 
applicable emission standards.
    The Administrator has the authority to approve the use of 
alternative test methods for compliance with requirements under 40 CFR 
parts 60, 61, and 63. This authority is found in 40 CFR 60.8(b)(3), 
61.13(h)(1)(ii), and 63.7(e)(2)(ii). Additional and similar authority 
can be found in 40 CFR 59.104(f) and 65.158(a)(2). The criteria for 
approval and procedures for submission and review of broadly applicable 
alternative test methods are explained in a previous Federal Register 
notice published at 72 FR 4257 (January 30, 2007) and located at 
https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods. As explained in this notice, we will announce approvals for 
broadly applicable alternative test methods at https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods as they are issued 
and publish an annual notice that summarizes approvals for broadly 
applicable alternative test methods during the preceding year.
    As also explained in the January 30, 2007 notice, our approval 
decisions

[[Page 3297]]

involve thorough technical reviews of numerous source-specific requests 
for alternatives and modifications to test methods and procedures. 
Based on these reviews, we have often found that these modifications or 
alternatives would be equally valid and appropriate to apply to other 
sources within a particular class, category, or subcategory. 
Consequently, we have concluded that where a method modification or an 
alternative method is clearly broadly applicable to a class, category, 
or subcategory of sources, it is both equitable and efficient to 
simultaneously approve its use for all appropriate sources and 
situations.
    Use of approved alternative test methods are not mandatory but 
rather permissive. Sources are not required to employ such a method but 
may choose to do so in appropriate circumstances. As specified in 40 
CFR 63.7(f)(5), however, a source owner or operator electing to use an 
alternative method for 40 CFR part 63 standards must continue to use 
the alternative method until otherwise authorized. Source owners or 
operators should, therefore, review the specific broadly applicable 
alternative method approval decision at https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods before electing to 
employ any alternative method.

III. Approved Alternative Test Methods and Modifications to Test 
Methods

    This notice specifies six broadly applicable alternative test 
methods that the EPA approved between January 1, 2021, and December 31, 
2021. The alternative method decision letter/memo designation numbers, 
test methods affected, sources allowed to use this alternative, and 
method modifications or alternative methods allowed are summarized in 
Table 1 of this notice. A summary of approval documents was previously 
made available on our Technology Transfer Network between January 1, 
2021, and December 31, 2021. For more detailed information, please 
refer to the complete copies of these approval documents available at 
https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods.
    As also explained in our January 30, 2007 notice, we will revisit 
approvals of alternative test methods in response to written requests 
or objections indicating that a particular approved alternative test 
method either should not be broadly applicable or that its use is not 
appropriate or should be limited in some way. Any objection to a 
broadly applicable alternative test method, as well as the resolution 
of that objection, will be announced at https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods and in a 
subsequent Federal Register notice. If we decide to retract a broadly 
applicable test method, we will likely consider the need for an 
appropriate transition period for users either to request case-by-case 
approval or to transition to an approved method.

Richard A. Wayland,
Director, Air Quality Assessment Division.

  Table 1--Approved Alternative Test Methods and Modifications to Test Methods Referenced in or Published Under
           Appendices in 40 CFR Parts 60, 61, and 63 Posted Between January 2021 and December 2021 \a\
----------------------------------------------------------------------------------------------------------------
  Alternative method decision      As an alternative or
      letter/ memo number          modification to . . .            For . . .                You may . . .
----------------------------------------------------------------------------------------------------------------
ALT-140.......................  Method 28R for              Sources subject to 40 CFR  Use the Integrated Duty
                                 Certification and           part 60, subpart AAA--     Cycle Test Method for
                                 Auditing of Wood Heaters.   Standards of Performance   Certification of Wood
                                                             for New Residential Wood   Fired Stoves Using
                                                             Heaters.                   Cordwood: Measurement of
                                                                                        Particulate Matter (PM)
                                                                                        and Carbon Monoxide (CO)
                                                                                        Emissions and Heating
                                                                                        Efficiency with the
                                                                                        modifications listed in
                                                                                        the Agency's approval
                                                                                        letter dated March 31,
                                                                                        2021.
ALT-141.......................  Section A6.4.1 of ASTM      Sources subject to 40 CFR  Use section 8.3.3 of
                                 D6348-03.                   part 60, subpart JJJJ--    Method 320--Measurement
                                                             Standards of Performance   of Vapor Phase Organic
                                                             for Stationary Spark       and Inorganic Emissions
                                                             Ignition Internal          by Extractive Fourier
                                                             Combustion Engines and     Transform Infrared
                                                             40 CFR part 63, subpart    (FTIR) Spectroscopy.
                                                             ZZZZ--National Emission
                                                             Standards for Hazardous
                                                             Air Pollutants for
                                                             Stationary Reciprocating
                                                             Internal Combustion
                                                             Engines.
ALT-142.......................  Method 18--Measurement of   Sources subject to 40 CFR  Use Method 320--
                                 Gaseous Organic Compound    part 63, subpart O--       Measurement of Vapor
                                 Emissions by Gas            National Emission          Phase Organic and
                                 Chromatography or Method    Standards for Hazardous    Inorganic Emissions by
                                 25A--Determination of       Air Pollutants (NESHAP):   Extractive Fourier
                                 Total Gaseous Organic       Ethylene Oxide Emission    Transform Infrared
                                 Concentration Using a       Standards for              (FTIR) Spectroscopy with
                                 Flame Ionization Analyzer.  Sterilization Facilities.  the provisos specified
                                                                                        in the Agency's approval
                                                                                        letter dated March 4,
                                                                                        2021.
ALT-143.......................  Method 10--Determination    Sources subject to 40 CFR  Use the alternative
                                 of Carbon Monoxide          part 63, subpart AAAA--    method attached to the
                                 Emissions From Stationary   National Emission          Agency's approval letter
                                 Sources (Instrumental       Standards for Hazardous    dated September 14,
                                 Analyzer Procedure).        Air Pollutants:            2021.
                                                             Municipal Solid Waste
                                                             Landfills Residual Risk
                                                             and Technology Review.

[[Page 3298]]

 
ALT-144.......................  Method 10--Determination    Sources subject to 40 CFR  Use the alternative
                                 of Carbon Monoxide          part 63, subpart AAAA--    method attached to the
                                 Emissions From Stationary   National Emission          Agency's approval letter
                                 Sources (Instrumental       Standards for Hazardous    dated September 30,
                                 Analyzer Procedure).        Air Pollutants:            2021.
                                                             Municipal Solid Waste
                                                             Landfills Residual Risk
                                                             and Technology Review.
ALT-145.......................  Method 10--Determination    Sources subject to 40 CFR  Use the alternative
                                 of Carbon Monoxide          part 63, subpart AAAA--    method attached to the
                                 Emissions From Stationary   National Emission          Agency's approval letter
                                 Sources (Instrumental       Standards for Hazardous    dated September 30,
                                 Analyzer Procedure).        Air Pollutants:            2021.
                                                             Municipal Solid Waste
                                                             Landfills Residual Risk
                                                             and Technology Review.
----------------------------------------------------------------------------------------------------------------
\a\ Source owners or operators should review the specific broadly applicable alternative method approval letter
  at https://www.epa.gov/emc/broadly-applicable-approved-alternative-test-methods before electing to employ any
  alternative test method.

[FR Doc. 2022-01124 Filed 1-20-22; 8:45 am]
BILLING CODE 6560-50-P


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