5004.2.2 Secondary containment for hazardous material liquids and solids.
FC § 5004.2.2
Where required by FC Table 5004.2.2, buildings, structures, rooms or areas used for the storage of hazardous materials liquids or solids shall be provided with secondary containment in accordance with this section when the capacity of an individual vessel or the aggregate capacity of multiple vessels exceeds the following quantities: 1. Liquids: Capacity of an individual vessel exceeds 55 gallons (208 L) or the aggregate capacity of multiple vessels exceeds 1,000 gallons (3785 L).
2.Solids: Capacity of an individual vessel exceeds 550 pounds (250 kg) or the aggregate capacity of multiple vessels exceeds 10,000 pounds (4540 kg). FC Table 5004.2.2Required Secondary Containment – Hazardous Material Solids and Liquids Storage MaterialIndoor StorageOutdoor StorageSolidsLiquidsSolidsLiquidsMaterialIndoor StorageOutdoor StorageSolidsLiquidsSolidsLiquidsPhysical-hazard materialsCombustible liquidsClass IINot ApplicableSee FC Chapter 57Not ApplicableSee FC Chapter 57Class IIIA See FC Chapter 57 See FC Chapter 57Class IIIB See FC Chapter 57 See FC Chapter 57Cryogenic fluids See FC Chapter 55 See FC Chapter 55Explosives aSee FC Chapter 56See FC Chapter 56Flammable liquidsClass IANot ApplicableSee FC Chapter 57Not ApplicableSee FC Chapter 57Class IB See FC Chapter 57 See FC Chapter 57Class IC See FC Chapter 57 See FC Chapter 57Flammable solidsNot RequiredNot ApplicableNot RequiredNot ApplicableOrganic peroxides, nondetonableClass IRequiredRequiredNot RequiredRequiredClass IIRequiredRequiredNot RequiredNot RequiredClass III Class IV Class VNot RequiredNot RequiredNot RequiredNot RequiredOxidizersClass 4RequiredRequiredNot RequiredRequiredClass 3 Not RequiredClass 2 Not RequiredClass 1Not RequiredNot RequiredNot RequiredNot RequiredPyrophorics, nondetonableNot RequiredRequiredNot RequiredRequiredUnstable (reactives), nondetonableClass 4RequiredRequiredRequiredRequiredClass 3 Class 2 Class 1Not RequiredNot RequiredNot RequiredNot RequiredWater-reactives, nondetonableClass 3RequiredRequiredRequiredRequiredClass 2 Class 1Not RequiredNot RequiredNot RequiredNot RequiredHealth-hazard materialsCorrosivesNot RequiredRequiredNot RequiredRequiredHighly toxicsRequiredRequiredRequiredRequiredToxics a. Unclassified detonable organic peroxides (see FC Chapter 62), detonable pyrophoric materials (see FC Chapter 64), detonable unstable (reactive) materials (see FC Chapter 66) and detonable water-reactive materials (see FC Chapter 67) shall be treated as explosives for purposes of storage, handling and use (see FC Chapter 56).
