Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. All approved incorporation by reference (IBR) material is available for inspection at EPA and at the National Archives and Records Administration (NARA). Contact EPA at: U.S. EPA's Air and Radiation Docket; EPA West Building, Room 3334, 1301 Constitution Ave. NW, Washington, DC, 202-566-1742. For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations.html or email [email protected]. The material also may be obtained from the following sources.

(a) Air-Conditioning, Heating, and Refrigeration Institute (AHRI), 2311 Wilson Boulevard, Suite 400, Arlington, VA 22201; phone: 703.524.8800; website: www.ahrinet.org.

(1) 2008 Appendix C to AHRI Standard 700-2014, 2008 Appendix C for Analytical Procedures for AHRI Standard 700-2014—Normative, copyright 2008; into § 84.5(i).

(2) AHRI RTL OM December 2019, Refrigerant Testing Laboratory Certification Program Operations Manual, copyright 2019; IBR approved for § 84.3.

(3) AHRI General OM—January 2023, General Operations Manual, copyright 2022; IBR approved for § 84.3.

(b) ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428; phone: 610.832.9500; email: [email protected]; website: www.astm.org/.

(1) ASTM D6064-11 (reapproved 2022), Standard Specification for HFC-227ea, 1,1,1,2,3,3,3-Heptafluoropropane (CF3CHFCF3), approved November 1, 2022; IBR approved for § 84.5(i).

(2) ASTM D6231/D6231M-21, Standard Specification for HFC-125 (Pentafluoroethane, C2HF5), approved June 1, 2021; IBR approved for § 84.5(i).

(3) ASTM D6541-21, Standard Specification for HFC-236fa, 1,1,1,3,3,3-Hexafluoropropane, (CF3CH2CF3), approved June 1, 2021; IBR approved for § 84.5(i).

(4) ASTM D6806-02 (reapproved 2022), Standard Practice for Analysis of Halogenated Organic Solvents and Their Admixtures by Gas Chromatography, approved May 1, 2022; IBR approved for § 84.5(i).

(c) International Organization for Standardization (ISO), Chemin de Blandonnet 8, CP 401—1214 Vernier, Geneva, Switzerland; tel.: + 41 22 749 01 11; fax: + 41 22 733 34 30; email: [email protected]; website: www.iso.org.

(1) ISO/IEC 17025:2017(E), “General requirements for the competence of testing and calibration laboratories”, Third Edition, published November 2017; IBR approved for § 84.3.

(2) [Reserved]