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Storage Tank Systems for Petroleum Products and Allied Petroleum Products Regulations

Version of section 17 from 2017-06-02 to 2022-05-02:

  •  (1) The owner or operator of a storage tank system installed before June 12, 2008 that has single-walled underground piping must test that piping using a piping precision leak detection test in accordance with section 24 within two years after June 12, 2008 and after that test they must

    • (a) immediately

      • (i) use continuous external underground pipe leak monitoring,

      • (ii) use automatic tank gauging in accordance with section 18, or

      • (iii) use continuous in-tank leak detection in accordance with section 20; or

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

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

    • (a) be carried out using a sensor cable system designed for installation adjacent to the piping and within the same pipe trench;

    • (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.

  • SOR/2017-110, s. 37
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