The present Law establishes rates of environmental charges and the modalities of their calculation. The document consists of III Sections that contain 8 articles. Section I (arts. 1-4) regards rates of environmental charges. Article 1 regards the sphere of application of the present Law. Article 2 estbalishes rates of environmental charges for emissions (discharge) of hazardous substances. Article 3 establishes rates of environmental charges for disposal in accordance with the established modali