35. Stresses that effective prevention requires consistent monitoring of strict adherence to the highest standards and practices in well-bore construction and maintenance; considers that well completion reports should be submitted by operato
rs to the competent authorities; underlines that both industry and
competent authorities should ensure, at all stages, regular quality control for casing and cement integrity, as well as baseline groundwater sampling to control the quality of drinking water, conducted in close cooperation with drinking water providers; points out that this requires signific
...[+++]ant human resources and technical expertise on all levels;