532Meaning of hazardous chemicals that are present or likely to be present

532  Meaning of hazardous chemicals that are present or likely to be present  (1) A reference in these Regulations to hazardous chemicals, including Schedule 15 chemicals, being present or likely to be present at a facility is a reference to the quantity of hazardous chemicals that would, if present, meet the maximum capacity of the facility, including:  (a) the maximum capacity of process vessels and interconnecting pipe systems that contain the hazardous chemicals; and  (b) the maximum capacity of storage tanks and vessels used for the hazardous chemicals; and  (c) the maximum capacity of other storage areas at the facility that could contain the hazardous chemicals; and  (d) the maximum capacity of pipe work outside process areas to contain the hazardous chemicals; and  (e) the maximum quantity of hazardous chemicals that would, in the event of failure, escape into the facility from pipe work that is situated off the premises but is connected to the facility; and  (f) the maximum quantity of hazardous chemicals loaded into or onto, or unloaded from, vehicles, trailers, rolling stock and ships that are from time to time present at the facility in the course of the facility’s operations.  (2) Subregulation (1) applies with any necessary changes to hazardous chemicals that are likely to be present at a proposed facility.  (3) Schedule 15 chemicals present or likely to be present in the tailings dam of a mine are not to be considered in determining whether a mine is a facility or a major hazard facility.