This excerpt taken from the PBR 20-F filed May 22, 2009.
July 2000 spillCuritiba
On July 16, 2000, the Santa-Catarina/Paraná pipeline ruptured at our President Getúlio Vargas refinery, located approximately 15 miles (24 kilometers) from Curitiba, capital of the State of Paraná. Approximately 1.06 million gallons of crude oil spilled into the surrounding area. We spent approximately R$74 million at the time on the clean-up effort and fines imposed by the State of Paraná authorities. In addition, in relation to this spill:
IBAMA fined us R$168 million, which we are contesting;