Leaking Protection Monitoring

Note - The requirements shown here apply to underground storage tanks (USTs) that are greater than 1100 gallons, and are recommended for smaller tanks as well. Check for additional requirements in your state.

Leak Monitoring Methods

The EPA had identified a variety of general leak detection methods for use in monthly monitoring which meet Federal requirements:

Ground Water Monitoring (tanks & pipes)
Vapor Monitoring (tanks & pipes)
Secondary Containment with Interstitial Monitoring (tanks & pipes)
Automatic Tank Gauging Systems (tanks)
Leak Detection for Underground Suction Pipe (pipes)
Leak Detection for Pressurized Pipe (pipes)
Eventually, every underground storage system owner will be required to use at least one of these systems. However, as a temporary method you can combine tank tightness testing with manual tank gauging or monthly manual inventory control.

Federal regulations require all underground storage systems to have leak protection. State and local regulations may be more stringent than Federal requirements, so you should always check to see which requirements you need to meet.

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