Metal and Diamond Mining Effluent Regulations
14 (1) Subject to section 15, the owner or operator of a mine shall collect from each final discharge point a grab sample and conduct an acute lethality test, in accordance with the requirements and procedures specified in Reference Method EPS 1/RM/13,
(a) once a month, in accordance with the procedure set out in section 5 or 6 of that document; and
(b) without delay, in accordance with the procedure set out in section 6 of that document, if a deposit occurs that is out of the normal course of events.
(2) For the purpose of paragraph (1)(a), the owner or operator shall
(a) select and record the sampling date not less than 3 days in advance of collecting the grab sample; and
(b) collect the grab samples not less than 15 days apart.
(3) When collecting a grab sample of effluent for the purpose of subsection (1), the owner or operator shall collect a sufficient volume of effluent to enable the owner or operator to comply with paragraph 15(1)(a).
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