The Building Commission is carrying out an independent audit of the Perth Children’s Hospital and other Western Australian buildings containing products supplied by Yuanda Australia Pty Ltd. The audit follows the discovery of asbestos in unitised roof panels the company supplied to the principal contractor John Holland Pty Ltd during the construction of the Perth Children’s Hopsital in July 2016. The Building Commissioner has released an interim report on the audit’s findings, which are summarised in this document.