(SW should System be has used a (SW Inadequate to potential inactivation complete the required violation one for design or year failing operation to consult disinfection (CT). the EPA profile and the prior to making a profile significant should The Surface then change be to kept their in Virus) Treatment > If 4 yes, the disinfection plant’s Rule requires was logs? records practices that water indefinitely. EPA (141.570d or systems achieve Failure 141.172c). to have at least 99.99% the profile (4-log) removal available for and/or review during inactivation of sanitary surveys viruses. The is a cartridge recordkeeping filtration system violation of 40 employed is not C.F.R. credited with §141.536. any virus removal due to the large size of the pores in comparison with the size of viruses. In addition, the UV system is not credited with virus inactivation due to the relatively high UV resistance of viruses. The system must therefore achieve 99.99% inactivation of viruses through chemical disinfection. upon calculations made in this sanitary survey using conservative values, the
should be used to complete the required one year disinfection profile and the profile should then be kept in the plant’s records indefinitely. Failure to have the profile available for review during sanitary surveys is a recordkeeping violation of 40 C.F.R. §141.536. (SW If yes, was EPA System has a potential violation for failing to consult the EPA prior to making a significant change to their disinfection practices (141.570d or 141.172c). (SW Virus) > 4 logs? Inadequate inactivation design or operation (CT). The Surface Treatment Rule requires that water systems achieve at least 99.99% (4-log) removal and/or inactivation of viruses. The cartridge filtration system employed is not credited with any virus removal due to the large size of the pores in comparison with the size of viruses. In addition, the UV system is not credited with virus inactivation due to the relatively high UV resistance of viruses. The system must therefore achieve 99.99% inactivation of viruses through chemical disinfection. upon calculations made in this sanitary survey using conservative values, the
ss_tribal_form.docx