7 requires a Pre-Start Health and Safety Review (PSR) to be completed. A report must be prepared by a "Qualified Reviewer". C.E.T.s, A.Sc.T.s and C.Tech.s with competent technical knowledge, may qualify as a “qualified reviewer” under item 8 which covers, “process uses or produces a toxic substance that may result in exposure above the occupational exposure limits.” Designer Qualification and Registration The Ministry of Municipal Affairs and Housing considers an OACETT member who is employed as a designer, who has passed the ministry's exam, and has a Building Code Identification Number can do the design on a house and other structures within their qualification, usually up to 600 square metres and three storeys. Arms References External links OACETT official website Engineering societies based in Canada Professional associations based in Ontario