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Federal Register / Vol. 86, No. 24 / Monday, February 8, 2021 / Notices EPA case No.

Chemical identity Fatty Acids, C18-unsatd., dimers, hydrogenated, polymers with hexanoic acid and .alpha.-hydro-.omega.hydroxypolyoxy-1,4-butanediyl CASRN:
2359671535.

SN180005

Butanoic acid, 3-mercapto-,1,1-2-hydroxymethyl-2-3-mercapto-1oxobutoxymethyl-1,3-propanediyl ester; CASRN: 1027326937; and Butanoic acid, 3-mercapto-,1,1-2,2-bis3-mercapto-1-oxobutoxymethyl-1,3propanediyl ester CASRN: 31775890.
Coke coal, secondary pitch CASRN: 94113914

Authority: 15 U.S.C. 2601 et seq.

I. General Information
Dated: November 6, 2020.
Madison Le, Director, New Chemicals Division, Office of Pollution Prevention and Toxics.

A. Does this notice apply to me?
This notice will be of interest to entities regulated under 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.

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ENVIRONMENTAL PROTECTION
AGENCY
EPAHQOAR20071196; FRL1001949
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, 2020, and December 31, 2020. This notice also announces the removal of a previously approved broadly applicable alternative test method.
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 E14302, Environmental Protection Agency, Research Triangle Park, NC
27711; telephone number: 919 541
2910; fax number: 919 5410516;
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 documents.
SUPPLEMENTARY INFORMATION:
SUMMARY:

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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. This notice also announces the removal of ALT109 as an approved broadly applicable alternative test method given our subsequent revisions to certain requirements in Method 22. 83 FR
56713 November 14, 2018.
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 60.8b3, 61.13h1ii, and 63.7e2ii. Additional and similar authority can be found in 40 CFR
59.104f and 65.158a2. The criteria
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https www.epa.gov/reviewing-newchemicals-under-toxic-substancescontrol-act-tsca/tsca-section-5a3c-determination-338.
https www.epa.gov/reviewing-newchemicals-under-toxic-substancescontrol-act-tsca/tsca-section-5a3c-determination-308.
https www.epa.gov/reviewing-newchemicals-under-toxic-substancescontrol-act-tsca/tsca-section-5a3c-determination-309.

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 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 63.7f5, 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
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