Q-2, r. 27 - Regulation respecting pulp and paper mills

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47. If effluents are combined, the operator must install and maintain in working order a sampling station for each of the effluents upstream from the point where they are combined.
If the flow of each of the effluents cannot be measured or calculated otherwise, the operator must install and maintain in working order a flow measurement system for each of the effluents.
O.C. 808-2007, s. 47.