56. Artificial infiltration of leachate or water into disposal areas is permitted only in engineered landfills for the purpose of accelerating the degradation of the residual materials, subject to the following conditions:(1) prior authorization under the Environment Quality Act (chapter Q-2);
(2) the infiltration must take place in areas where there has been a deposit of a minimum thickness of 4 m of residual materials;
(3) if the infiltration is the result of surface spraying or sprinkling techniques, it can take place only in disposal areas that do not have a final cover and those techniques must not cause surface pooling or aerosol formation.