B-1.1, r. 2 - Construction Code

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8.208. The portion of the loading and unloading area of a bulk plant used to park a cargo tank during loading or unloading must,
(1)  in the case of Class 1 or Class 2 petroleum products, have a collection system for the products; the system must consist of a concrete apron having a minimum 1% slope away from the pump island in a direction opposite the loading or unloading ramp, an oil separator and a drain connecting the apron and the separator; or
(2)  in the case of Class 3 petroleum products or Class 1, Class 2 and Class 3 petroleum products in bulk plants located north of the 53rd parallel of north latitude and bulk plants in a designated location, be liquid-tight and designed in such manner that a spilled product remains confined.
O.C. 220-2007, s. 1.