The news comes as the owners of Kilroot announced plans to install clean-up equipment at the plant near Carrickfergus at a cost of Â£35 million.
The clean-up equipment normally costs more than £35 million.
( z1 cost :ARG1 ( z2 equipment :purpose ( z3 clean-up ) ) :ARG2 ( z4 more-than :op ( z5 monetary-quantity :quant 35000000 :unit ( z6 pound ) ) ) :ARG1-of ( z7 normal ) )