Resolution No. 157 regulating the introduction of liquid effluent containing substances which are not degradable.
This Resolution regulates the introduction of liquid effluent containing substances which are not degradable and have a high degree of toxicity, resulting from any industrial activity, shall comply, for protection of the health, safety and well-being of the populations who use the water in Paraiba do Sul River as a supply source, with the standards, criteria and directives established by this Regulation. It consists of 3 articles and 1 annex prohibiting the introduction of final industrial flow which contains the following carcinogenic substances. A list of prohibited substances is attached in annex.