79. The analyses subsequent to the measurements required by sections 70 to 73 and 75 must be performed by a laboratory accredited by the Minister under section 118.6 of the Environment Quality Act (chapter Q-2).
Despite the foregoing, if effluents are combined in accordance with section 20, the analyses subsequent to the toxicity measurements under section 71 must be performed in accordance with Division 6 of Reference Method EPS 1/RM/13 published by Environment Canada.