1 ene 1972 año - Clean Water Act
Descripción:
the basic structure for regulating pollutant discharges into the waters of the United States. Gave EPA the authority to implement pollution control programs such as setting wastewater standards for industry.
Añadido al timeline:
fecha:
1 ene 1972 año
Ahora mismo
~ 53 years ago
Fotos:
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