Get Underground Storage Tank Piping Installation Checklist

Petroleum Vapor Intrusion Petroleum vapors from leaking underground storage tanks have the potential to enter buildings, where they might pose a risk to the health of occupants. This problem is called Petroleum Vapor Intrusion (PVI).

6-Step Installation Guide for Underground Water Tanks: Excavate - Measure the length and width of the tank. ... Prepare Base - Remove any roots and rake the bed flat. ... Set the Tank - Place the tank in the middle of the hole. ... Connections - bulkhead fittings in tank.

You should suspect a leak when you discover any of the following warning signals: You, your co-workers, or customers smell escaped product or see anything like an oily sheen on water near the facility. Your neighbors complain of vapors in their basements or about water that tastes or smells like petroleum.

An underground storage tank (UST) system is a tank (or a combination of tanks) and connected underground piping having at least 10 percent of their combined volume underground. The tank system includes the tank, underground connected piping, underground ancillary equipment, and any containment system.

Leaking USTs (LUSTs) can occur over time due to corrosion, cracks, defective piping, improper installation and spills during refilling and maintenance activities. In addition, USTs may be vulnerable to damage during a natural disaster or extreme weather event, such as floods, hurricanes, wildfires, and earthquakes.

A typical leaking underground storage tank (LUST) scenario involves the release of a fuel product from an underground storage tank (UST) that can contaminate surrounding soil, groundwater, or surface waters, or affect indoor air spaces.

An underground storage tank system (UST) is a tank and any underground piping connected to the tank that has at least 10 percent of its combined volume underground. The federal UST regulations apply only to UST systems storing either petroleum or certain hazardous substances .

About 60 percent of all underground storage tanks (USTs) have experienced at least one leak and that remediation of the approximately 528,000 total leaks costs over $1 billion a year in state and federal funds.