74.1. For the purposes of this Division, the “total capacity” in water, calculated in American gallons (US gal) or in litres, or in mass, calculated in metric tons, for the location of the installation includes, where applicable,(1) the fixed capacity, namely, the total number of fixed storage tanks and their individual capacity;
(2) the transit capacity, namely, the total number of containers in transit that are kept on the site longer than necessary for the transfer, including tank trucks, trailers, self-supporting tanks and tank cars, and their individual capacity; and
(3) the portable or unconnected capacity, namely, the total maximum number of containers and their individual capacity.