Ozone Protection - EAc4 Intent To reduce ozone depletion and support early compliance with the Montreal Protocol while minimizing direct contributions to climate change Requirements Install base building level HVAC and refrigeration equipment that do not contain hydrochlorofluorocarbons (HCFCs) The intent and requirements described on this webpage are paraphrased from the copyrighted works of the USGBC "LEED 2009 for New Construction and Major Renovations Rating System November 2008", and, the CAGBC "LEED Rating System & Addendum for New Construction and Major Renovations LEED Canada-NC version 1.0 December 2004", and are presented here strictly for informational purposes and are not intended to supplant or be used in place of the original copyrighted works.