U.S. EPA registered pesticide info
'Ems Cooling Tower & Condenser Treatment #313 (concentrate)' is an algaecide. Its Federal EPA registration number is: 3682-20. It was originally approved by EPA on 20 Jul 1965. Its registration got cancelled on 24 Apr 1987. It has a 'Caution' signal word. It has the following active ingredients: Pentachlorophenol, sodium salt. It's approved for 2 sites including cooling tower water and evaporative condenser water. It is also approved for 1 pests and pest groups including but not limited to algae.