The oil spill from the PTTGC started to impact 500 meters of shoreline of Ao Phrao on 28 July 2013. A team from Oil Spill Response Limited (OSRL) was sent to secure the shoreline at three specific locations (PTT Global Chemical, 2013b). Thai military personnel, PTTGC workers and local volunteers began their operation in cleaning the residual of oil on the shorelines of Ao Phrao.