Effective against the AIDS, Hepatitis B Viruses and HCV (Hepatitis C Virus). Formulated without acid, NABC is non-caustic and non-abrasive. Safe to use on nearly any hard surface-NABC will not etch porcelain, or pit fixtures-will not harm plumbing or septic tanks when used according to directions. Even accidentals spills will not result in ruined clothing or carpeting. Effective against the antibiotic resistant bacteria: Methicillin resistant Staphylococcus aureus (MRSA) and Vancomycin resistant Enterococcus faecalis (VRE). EPA Reg. No. 5741-18.