The U.S. Army Corps of Engineers Baltimore District is considering a re-procurement for a five-year IDIQ contract to supply chelated copper algaecide in bulk liquid form. The product must meet specific ANSI/AWWA and NSF/ANSI standards for use at the Washington Aqueduct. The services will be performed at the Washington Aqueduct location. This procurement is set aside for small businesses within the NAICS code for Other Basic Inorganic Chemical Manufacturing, which has a size standard of 1,000 employees.