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.
Kilroot was forced to install the clean-up equipment.
( z1 force :ARG1 ( z2 company :name ( z3 name :op "Kilroot" ) ) :ARG2 ( z4 install :ARG0 z2 :ARG1 ( z5 equipment :purpose ( z6 clean-up ) ) ) )