Metal and Diamond Mining Effluent Regulations

Version of section 20 from 2006-10-03 to 2018-05-31:

  •  (1) With respect to deleterious substances contained in effluent deposited from each final discharge point, the owner or operator of a mine shall, for each month and for each calendar quarter during which there was a deposit, record the loading

    • (a) in kg for deleterious substances referred to in items 1 to 7, in column 1, of Schedule 4; or

    • (b) in MBq for a deleterious substance referred to in item 8, in column 1, of that Schedule.

  • (2) The owner or operator shall determine the loading for each month using the following formula:

    ML = C × V / 1,000

    where

    ML
    is the loading for a month;
    C
    is the monthly mean concentration of the deleterious substance, recorded under section 19.1; and
    V
    is the total monthly volume of effluent deposited from each final discharge point, recorded under section 19.
  • (3) The owner or operator shall determine the loading for each calendar quarter using the following formula:

    QL = C × V / 1,000

    where

    QL
    is the loading for a calendar quarter;
    C
    is the mean of the monthly mean concentrations of the deleterious substance for that calendar quarter, recorded under section 19.1; and
    V
    is the total volume of effluent deposited from each final discharge point during that calendar quarter, based on the sum of the total monthly volumes of effluent deposited from each final discharge point, recorded under section 19.
  • SOR/2006-239, s. 9
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