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. To enforce any edition other than that specified in this section, the Coast Guard must publish a document in the Federal Register and the material must be available to the public. All approved incorporation by reference (IBR) material is available for inspection at the U.S. Coast Guard and the National Archives and Records Administration (NARA). Contact U.S. Coast Guard Headquarters at: Commandant (CG-ENG), Attn: Office of Design and Engineering Standards, U.S. Coast Guard Stop 7509, 2703 Martin Luther King Jr. Avenue SE, Washington, DC 20593-7509; phone (202) 372-1375; email [email protected]. For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email [email protected]. The material may be obtained from the following sources:

(a) American Society of Mechanical Engineers (ASME), Two Park Avenue, New York, NY 10016-5990; 800-843-2763; [email protected]; www.asme.org.

(1) ASME BPVC.I-2019, 2019 ASME Boiler and Pressure Vessel Code, Section I, Rules for Construction of Power Boilers, 2019 Edition, issued July 1, 2019 (“Section I of the ASME BPVC”); IBR approved for § 53.01-10(e).

(2) ASME BPVC.IV-2019, 2019 ASME Boiler and Pressure Vessel Code, Section IV, Rules for Construction of Heating Boilers, 2019 Edition, issued July 1, 2019 (“Section IV of the ASME BPVC”); IBR approved for §§ 53.01-3; 53.01-5; 53.01-10(a); 53.05-1(a); 53.05-2(a); 53.05-3; 53.05-5; 53.10-1; 53.10-3(a); 53.10-10; 53.10-15; 53.12-1(a).

(b) UL Solutions, 333 Pfingston Road, Northbrook, IL 60062; 847-272-8800; www.ul.com.

(1) UL 174, Standard for Safety, Household Electric Storage Tank Water Heaters, Eleventh Edition, dated April 29, 2004, including revisions through December 15, 2016 (“UL 174”); IBR approved for § 53.01-10(c).

(2) UL 1453, Standard for Safety, Electric Booster and Commercial Storage Tank Water Heaters, Sixth Edition, dated March 29, 2016, including revisions through March 9, 2017 (“UL 1453”); IBR approved for § 53.01-10(c).