Meeting Secondary Containment Standards

Does your business or facility store chemicals, waste, or other hazardous essential fluids? While containing the substance itself is important, so is having a system in place for preventing secondary spill containment spills. In this case, around every primary container needs to be a 2nd containment system.

Guidelines for supplementary containment are specified by the Resource Efficiency and Recovery Act (RCRA) 40 CFR 264, including the use and management of containers and tanks. While standards for container and container systems are similar, both have separate specific guidelines.

A container must have a crack- and gap-free base, one impermeable to everyone water leaks, spills, and precipitation. At the same time, the machine is in destination for a catch spills from the primary storage container and, therefore, must be made with a draining system and then prevent run-on. If such a trickle occurs, however, the liquid must be taken off the sump as soon as possible to prevent overflow.

Container systems for supplementary containment follow a similar set of guidelines with a few notable differences. Such as, a container must contain overflow in order to prevent contamination of soil, ground, and surface water. Because a container system may be placed outdoors, the container needs to handle pressure, contact with waste, climate conditions, and stress from daily operations. Additionally, the container must be placed on a foundation or base that supports supplementary containment.

Like containers, tanks too must be designed to deplete any water leaks, and if such a leak occurs, the chemical or liquid must be removed as soon as possible or at least within a day.

As far as containment capacities, a container is expected to hold 10 % of all primary containment systems, while both a container and container should have enough volume for the contents of the largest primary container. Although essential fluids often need supplementary containment, other substances do, as well: solids in quantities greater than 550 pounds, multiple containers totaling 10, 000 pounds or more, or open essential fluids greater than 1. 1 or 5. 3 gallons.

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