Pulp and Paper Effluent Regulations

29 (1) Sublethal toxicity testing shall be conducted in accordance with section 2 of Schedule IV.1, twice in each calendar year, on the aliquots of effluent samples collected in accordance with section 3 of Schedule II from the outfall structure that has potentially the most adverse environmental impact.

(2) A report on the sublethal toxicity tests shall be prepared twice in each calendar year and submitted to the authorization officer within three months after the completion of the tests.

(3) Despite subsections (1) and (2), the owner or operator of a mill or an off-site treatment facility that deposits effluent from the outfall structure referred to in subsection (1) on fewer than 120 days in any calendar year is required to conduct and submit the report on the sublethal toxicity tests only once in respect of that calendar year.