Although only performed seasonally, disinfection is one of the most important steps in wastewater treatment. Peroxychem's VigorOxII offers a new solution for wastewater disinfection. Made of a combination of peracetic acid, hydrogen peroxide, acetic acid, and water, this formula is effective enough to meet Fecal Coliform and E. Coli based permits, however it requires less contact time than chlorine and does not require de-chlorination.