ONDEO Nalco Co., Naperville, Ill., is conducting an asset-liability...

ONDEO Nalco Co., Naperville, Ill., is conducting an asset-liability study of its $250 million pension plan, said Todd M. Hacker, treasurer. The study is being conducted by Northern Trust, which was hired as manager of managers early last summer, and it will be finished by the end of the year, he said. The plan’s current asset allocation is 60% equity and 40% fixed income.