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Metal and Diamond Mining Effluent Regulations

Version of section 15 from 2006-10-03 to 2018-05-31:

  •  (1) If a sample of effluent is determined to be acutely lethal when tested under paragraph 14(1)(a), the owner or operator of a mine shall

    • (a) without delay, conduct the effluent characterization set out in subsection 4(1) of Schedule 5 on the aliquot of each grab sample collected under paragraph 14(1)(a) and record the concentrations of the deleterious substances set out in column 1 of Schedule 4;

    • (b) collect, from the final discharge point from which the sample was determined to be acutely lethal, a grab sample twice a month and, without delay, conduct an acute lethality test on each grab sample in accordance with the procedure set out in section 6 of Reference Method EPS 1/RM/13 and, if the sample is determined to be acutely lethal, then conduct the effluent characterization set out in subsection 4(1) of Schedule 5 and record the concentrations of the deleterious substances set out in column 1 of Schedule 4; and

    • (c) collect the grab samples not less than seven days apart.

  • (2) The owner or operator may resume sampling and testing at the frequency prescribed in section 14 if the effluent is determined not to be acutely lethal in three consecutive tests conducted under paragraph (1)(b).

  • SOR/2006-239, s. 8

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