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

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62. The operator must install and maintain in working order a continuous system for measuring and recording the pH and temperature upstream from the discharge point for each final effluent.
If the second paragraph of section 12 applies, the operator must install and maintain in working order a continuous system for measuring and recording the pH at the feed water intake point.
The accuracy of the system must be tested once a week.
The operator must keep a log of the testing, adjustments and repairs made and retain it for a minimum of 2 years after the date of testing.
O.C. 808-2007, s. 62.