The union has promised to reveal all at media conference today.
Within the past week the state oil company has reported two oil leaks at installations.
This comes on the heels of the December 2013 oil spill in the Gulf of Paria.
The Environmental Management Authority stated that no oil from Tuesday’s spill at the Point-a-Pierre refinery has enter the sea.
However, oil was seen in the Guaracara River and its banks.
Petrotrin said that it had contained the spill to the refinery’s compound.