78. During loading and unloading, every cargo tank shall be placed in an impermeable area resistant to the material.
Cargo tanks containing incompatible materials shall not be placed in the same loading zone or unloading zone.
The area shall be equipped with an impermeable basin able to hold at least 110% of the cargo tank’s capacity or, where there are several cargo tanks, 125% of the capacity of the largest cargo tank, unless the area is equipped with a collection system able to collect leakage and spillage. The collection system shall be resistant to the materials that are stored therein and be able to hold 110% of the cargo tank’s capacity or, where there are several cargo tanks, 125% of the capacity of the largest cargo tank.
The accumulated water in the loading or unloading area shall be conveyed to a treatment or discharge system, in accordance with the Environment Quality Act (chapter Q-2).