EPA PRODUCT Need a biocide that works, but presents less impact in your wastewater? This is the product of choice to effectively control algal, bacterial, and fungal slimes in commercial and industrial cooling towers, evaporative condensers, heat exchange water systems, evaporative coolers, industrial process water systems, brewery pasteurizers, can warmers, hydrostatic sterilizers and retorts, air washing systems equipped with a mist eliminator, and industrial air scrubbing systems. United 336 works fast and then rapidly degrades in system, meeting the AWWA standards for biodegradability.