Enne uue lõhkematerjali valmistamist või sissevedu tuleb lõhkematerjali valmistajal või sissevedajal (edaspidi tarnija) läbi viia katselõhkamine. Katselõhkamisega kontrollitakse lõhkematerjali sobivust antud geoloogilistes ja hüdrogeoloogilistes tingimustes kasutamiseks.
The prior investigations referred to in Articles 4 and 5 shall include examination of the hydrogeological conditions of the area concerned, the possible purifying powers of the soil and subsoil and the risk of pollution and alteration of the quality of the groundwater from the discharge and shall establish whether the discharge of substances into groundwater is a satisfactory solution from the point of view of the environment.
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