Permit Required. A use permit, in accordance with Chapter 17.75, shall be required for any new commercial, industrial, or institutional use, accessory use, or major addition or alteration to an existing use that involves the manufacture, storage, handling, transport, or processing of hazardous substances in sufficient quantities that would require permits as hazardous chemicals under the Uniform Fire Code adopted by the city, with the following exceptions:
1.
Underground storage of bulk flammable and combustible liquids is permitted, subject to the provisions of subsection E of this section; and
2.
Hazardous substances in container sizes of ten gallons or less stored or maintained for the purposes of retail or wholesale sales are exempt from these regulations. The planning director or the planning commission may request information on the procedures to be used to process, transport, and store hazardous substances in a safe manner prior to approval of a use permit.