112. In June and October each year, the operator must analyze the physicochemical characteristics of the water in the observation wells. The analyses must pertain to the pH, conductivity, chlorides, sodium, ammoniacal nitrogen, nitrites and nitrates, chemical oxygen demand, dissolved matter and the phenolic compounds listed in Schedule XI. Sampling is performed according to Book 3 of the Guide d’échantillonnage à des fins d’analyses environnementales, published by the Centre d’expertise en analyse environnementale du Québec of the Ministère du Développement durable, de l’Environnement et des Parcs, and the samples must be kept in accordance with section 78.
The analyses must be performed by a laboratory accredited by the Minister under section 118.6 of the Environment Quality Act (chapter Q-2).
The results of the analyses must be retained by the operator for a minimum of 2 years after the date of analysis.