A hospital disinfectant, bactericidal at 1:32 dilution (4 oz. per gallon of water) according to the AOAC Use-Dilution Test method, modified in the presence of 400 ppm hard water plus 5% organic serum against: Pseudomonas aeruginosa (Pseudomonas); Salmonella enterica (Salmonella); Staphylococcus aureus (Staph).