| http://www.w3.org/ns/prov#value | - Twenty years later, all the normatizing work of listing and classifying harmful substances, hazardous inputs and dangerous procedures undertaken in Brazilian states such as Rio de Janeiro and S??o Paulo would become federal norms and standards, embodied in the 1996 and 1997 Resolutions of the National Environment Council (CONAMA).6 The whole process of environment-centered institutional constructi
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