21. Analysis: All analyses required for the enforcement of this Regulation must be carried out by an approved laboratory in accordance with an approved method.
In the case of water produced in Québec, it is compulsory that such analyses be carried out on the samples taken before a representative of the Ministère de l’Agriculture, des Pêcheries et de l’Alimentation, or a representative duly authorized by the Communauté urbaine de Montréal, the Communauté urbaine de Québec or the Communauté urbaine de l’Outaouais.
R.R.Q., 1981, c. Q-2, r. 5, s. 21.