Specialty Tanks

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12.2.3.6   Automatic Line Leak Detection or Mechanical LLD

If automatic line leak detectors are used for monitoring underground piping the following records must be maintained at the UST facility.

         A copy of the last annual functionality test of the MLLD.   Functionality testing of the MLLD must be performed once per year.

 

 

 

12.2.3.7   Other Leak Detection Documentation

Other leak detection documentation that must be maintained at the UST facility includes:

         Copies of all third-party certification documentation for ATGs, MLLDs, SIR, and Interstitial Monitoring used for monitoring the UST systems installed at the facilities for which the Class B operator is responsible.