37. The person responsible for a drilling site must carry out an initial characterization study of the site.
The characterization study must cover, according to the most stringent areas, a territory having a minimum radius of 2 km outside the limits of the drilling site or a territory corresponding to the horizontal length of the well planned.
The characterization study includes, with respect to the territory involved,
(1) a hydrogeological study signed by a professional;
(2) an analysis of the water samples taken at the sites where water is withdrawn for human consumption or food processing purposes, such analysis is carried out using the parameters and substances in Schedule II;
(3) an analysis of the water samples taken at the observation wells referred to in section 39 and carried out using the parameters and substances in Schedule II.
The water samples referred to in subparagraph 2 of the second paragraph are taken with the consent of the person responsible for the water withdrawal site concerned. If such consent cannot be obtained, the person responsible for the drilling site must include in the hydrogeological study, the list of the persons responsible for the water withdrawals who refused the sampling of the site.