9-13-71: IGCC GREEN CONSTRUCTION CODE AMENDMENT, INFORMATIVE APPENDIX H, SECTION H401.3.3 (H4.3.3), DUCT LEAKAGE TESTS:
H401.3.3 (H4.3.3) Duct Leakage Tests. Leakage tests shall be performed in compliance with the requirements in ANSI/ASHRAE/IES Standard 90.1, Section 6.4.4.2.2.