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Storage Tank Systems for Petroleum Products and Allied Petroleum Products Regulations

Version of section 23 from 2008-06-12 to 2017-06-01:

  •  (1) The owner or operator of a storage tank system installed before the coming into force of these Regulations that has aboveground piping without secondary containment must visually inspect the walls of that piping within two years after the day on which these Regulations come into force to determine if the piping is leaking and after that inspection they must

    • (a) immediately

      • (i) use continuous external aboveground pipe leak monitoring for that piping, or

      • (ii) implement a corrosion analysis program for that piping, developed and conducted by a corrosion expert, that includes at least an annual inspection;

    • (b) once each month, visually inspect that piping; or

    • (c) annually perform a piping precision leak detection test of that piping in accordance with section 24.

  • (2) The continuous external aboveground pipe leak monitoring must

    • (a) be carried out using a sensor cable system designed either for installation on the bottom of the piping or for placement on the ground underneath the piping;

    • (b) be capable of detecting a leak rate of at least 0.38 L/h within 96 hours after the onset of the leak at the lowest expected soil temperature at the site where the sensor cable system is installed;

    • (c) be capable of locating the leak with an accuracy of ± 1 m;

    • (d) be capable of continuously monitoring sensor cable system integrity; and

    • (e) have an alarm located at a place of work where it can be readily heard and seen.


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