C-I-L ACQUIRING TRIMAC'S STAKE IN TRICIL <C-I-L Inc> said it would exercise its right to acquire <Trimac Ltd>'s stake in their jointly owned Tricil Ltd for 91 mln dlrs, with closing expected May 22. C-I-L added that the final price could be less, however, depending on an Ontario court ruling resulting from a previously reported legal action launched by C-I-L. Mississauga, Ontario-based Tricil is a waste management company with operations in the U.S. and Canada.