By Julia Averbuck, Contributing Reporter
RIO DE JANEIRO, BRAZIL – The Federal Police has opened an official in inquiry in the Division of Environmental Crimes in Rio in which it accuses national oil company Petrobras of dumping highly-toxic residues in the ocean without any prior treatment of the waste materials.
These residues are known as "production water" or "black water," a contaminated water that surfaces along with the oil extracted in offshore platforms. This water contains grease and other chemical elements that are considered harmful for the environment and human health.
The industry says 99 percent of these residues are . . .