Unique formulation has passed the european test method E.N. 1040 at 1:100 achieving a kill rate of 99.999% on pseudomonas aeruginosa and staphylococcus aureus. Also tested against and proven to kill e-coli, salmonella, listeria and MRSA. Patented formula is unique in that it kills bacteria in normal use at normal dilution rates. Biodegradable, phosphate and formaldehyde free.