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Tank Inspection Adviser

Continuous Release Detection (CRDM) Defined

  • CRDM is a way of detecting a release of liquid through the inherent design. This does not require sensors or power to operate. Liquid releases can be visually detected by site personnel. There are 3 common acceptable CRDM systems:
  1. Tank with Release Prevention Barrier including poly barriers & concrete pads
  2. Secondary Containment AST, which include double-wall ASTs & double-bottom ASTs
  3. Elevated AST with RPB

Does the tank have continuous release detection?

Select one below:

YES-Tank has Continuous Leak Detection NO-Tank does not have Continuous Leak Detection

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