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).