Who is Required to Prepare and Implement Environmental Emergency Plans?

Any person or company that owns or that has the charge, management or control of a substance listed in Schedule 1 of the Environmental Emergency Regulations, where the maximum expected quantity of the substance and the container maximum capacity in which the substance is stored, is equal to or exceeds the specified threshold quantities set out in column 3 of Schedule 1 for that substance, will be required to prepare, implement and test an environmental emergency plan specific to the place where the substance is located, and notify Environment Canada accordingly.

For propane, the threshold is 4.50 metric tonnes.