What are the requirements for secondary containment?

Secondary containment needs to be at least the capacity of the container and sufficient freeboard1 for precipitation. For indoor storage, the industry standard is 110 percent of the container’s capacity. For a single drum, that would be 66 gallons of containment capacity.

Which of the following guidelines apply for secondary containment around an aboveground storage tank?

Secondary containment capacity must equal 100% of the capacity of the largest tank in the containment area plus the volume for a 24-hour, 25- year storm (if the area is uncovered).

Is secondary containment required for double-walled tanks?

Shop-built double-walled or double-hulled aboveground storage tanks (ASTs) may be used for secondary containment purposes, as long as they are operated with certain protective measures. When using double-walled ASTs as secondary containment, certain inspection requirements apply.

What is considered secondary containment?

So, basically, secondary containment is any system, device or control measure that is used to stop a discharge from leaving a specified area. The theory is that if a spill can be contained, it will not pollute the environment or cause additional harm.

What are the EPA requirements for secondary containment?

The EPA refers to the need for secondary containment in two different areas. Subpart J: Tank Systems (40 CFR 264.193), which covers large stationary containers, such as tank systems, for hazardous waste. Facilities that store hazardous materials may also be required to meet the either the UFC or IFC depending on what the locality has adopted.

What is the purpose of a secondary containment system?

(a) Secondary containment systems must be: (1) Designed, installed, and operated to prevent any migration of wastes or accumulated liquid out of the system to the soil, groundwater, or surface water at any time during the use of the tank system; and

When do I need to install secondaritial containment?

Beginning on April 11, 2016 owners and operators must install secondarily contained tanks and piping when installing or replacing tanks and piping. Owners and operators must use interstitial monitoring as release detection for these new or replaced tanks and piping.

Why are containment requirements specified in the SPCC rule?

address the potential of oil discharges from areas of a facility where oil is stored or handled. The containment design, sizing, and freeboard requirements are specified by the SPCC rule to address a major container failure. The general