5004.2.1 Spill control for hazardous material liquids.
FC § 5004.2.1
Buildings, structures, rooms or areas used for the storage of hazardous material liquids in individual vessels having a capacity of more than 55 gallons (208 L), or in which the aggregate capacity of multiple vessels exceeds 1,000 gallons (3785 L), shall be provided with spill control to prevent the flow of liquids to adjoining areas. Floors in indoor locations, and similar surfaces in outdoor locations, shall be designed to contain a spill from the largest single vessel by one of the following methods: 1. Liquid-tight sloped or recessed floors in indoor locations or similar protection in outdoor locations.
2.Liquid-tight floors and raised or recessed sills or dikes in indoor locations or similar protection in outdoor locations.
3.Sumps and collection systems.
4.Other approved engineered systems.













