Abstract: The present disclosure describes chemical blends and methods of using those blends for multipurpose environmental disinfection of objects and surfaces. The disclosed chemical blends composition comprising stabilized chlorine dioxide; a quaternary ammonium salt; ammonium phosphate; nonionized ammonia; buffer, surfactant, stabilizer; and water. The composition is configured to inactivate the full range of environmental and pathogenic organisms, including amoeba, bacterial spores, vegetative bacteria, fungi, viruses, parasites (eggs and oocysts) and toxic microbial products.