The U.S. Army Corps of Engineers Baltimore District is considering a re-procurement for a Single Award Task Order Contract to supply bulk liquid sodium hypochlorite to the Washington Aqueduct. The contract would have a five-year ordering period. The required chemicals must meet specific ANSI/AWWA and NSF/ANSI standards. The work is to be performed for the Washington Aqueduct. The associated NAICS code has a small business size standard of 1,000 employees.