No, it is not necessary to provide separate containment systems for each individual container or piece of equipment. The SPCC Plan preparer may choose to design facility drainage to provide a common collection area for multiple containers, piping, or oil-filled equipment located at the facility. In the specific secondary containment requirements in , the term bulk storage container installation refers to an assemblage of bulk storage containers, many of which are separated by the types of product that they store. Owners or operators must ensure each bulk storage container meets the requirements in , either individually or as part of a bulk storage container installation., Secondary containment for each container under SPCC Pursuant to 40 CFR §112.7 (c), facilities subject to the Spill Prevention, Control, and Countermeasure (SPCC) must provide containment or diversionary structures or equipment to prevent discharges as described in §112.1 (b)., Secondary containment is a safety measure designed to prevent the spread of hazardous chemicals in case of a primary container failure, such as a spill or leak. It involves the use of additional containment systems, such as double-walled containers, spill trays, or dikes, to capture and control any hazardous chemical release. In essence, it’s a seriously important factor for safe chemical .