There were traces of oil under the stilt house of Aziz Badruh, a resident of Atas Air hamlet, Margasari village, in the City of Balikpapan, on Wednesday last week. The Margasari village is in zone 1 of four zones of the cleanup effort being undertaken by Pertamina for the oil spill in Balikpapan Baythe result of a damaged Pertamina crude oil pipe on March 31.

From Tempo's observations 11 days after the incident, the waters of Balikpapan Bay are n