Call 1-631-273-0500, Monday – Friday, 7am to 6pm EST ULTRAVIOLET.COM Atlantic Ultraviolet Corporation What Microorganisms are Inactivated by Germicidal Ultraviolet Light? Incident energies at 253.7 nanometers (2537 Angstroms) necessary to inhibit colony formation in greater than 99% of microorganisms (measured in Microwatt Seconds per Square Centimeter) Shop Products at BuyUltraviolet.com Bacteria UV Light Dose Agrobacterium lumefaciens 5 8,500 Bacillus anthracis 1,4,5,7,9 (anthrax veg.) 8,700 Bacillus anthracis Spores (anthrax spores)* 46,200 Bacillus megatherium Sp. (veg) 4,5,9 2,500 Bacillus megatherium Sp. (spores) 4,9 5,200 Bacillus paratyphosus 4,9 6,100 Bacillus subtilis 3,4,5,6,9 11,000 Bacillus subtilis Spores 2,3,4,6,9 22,000 Clostridium tetani 23,100 Clostridium botulinum 11,200 Clostridium difficile 16,000 Corynebacterium diphtheriae 1,4,5,7,8,9 6,500 Dysentery bacilli 3,4,7,9 4,200 Eberthella typhosa 1,4,9 4,100 Escherichia coli 1,2,3,4,9 6,600 Legionella bozemanii 5 3,500 Legionella dumoffill 5 5,500 Legionella gormanil 5 4,900 Legionella micdadei 5 3,100 Legionella longbeachae 5 2,900 Legionella pneumophila (Legionnaire’s Disease) 12,300 Leptospira canicola-Infectious Jaundice 1,9 6,000 Leptospira interrogans 1,5,9 6,000 Micrococcus candidus 4,9 12,300 Micrococcus sphaeroides 1,4,6,9 15,400 Mycobacterium tuberculosis 1,3,4,5,7,8,9 10,000 Neisseria catarrhalis 1,4,5,9 8,500 Phytomonas tumefaciens 1,4,9 8,500 Proteus vulgaris 1,4,5,9 6,600 Pseudomonas aeruginosa (Environ.Strain) 1,2,3,4,5,9 10,500 Pseudomonas aeruginosa (Lab. Strain) 5,7 3,900 Pseudomonas fluorescens 4,9 6,600 Rhodospirillum rubrum 5 6,200 Salmonella enteritidis 3,4,5,9 7,600 Salmonella paratyphi (Enteric Fever) 5,7 6,100 Salmonella Species 4,7,9 15,200 Salmonella typhimurium 4,5,9 15,200 Salmonella typhi (Typhoid Fever) 7 7,000 Salmonella 10,500 Sarcina lutea 1,4,5,6,9 26,400 Serratia marcescens 1,4,6,9 6,160 Shigella dysenteriae – Dysentery 1,5,7,9 4,200 Shigella flexneri – Dysentery 5,7 3,400 Shigella paradysenteriae 4,9 3,400 Shigella sonnei 5 7,000 Spirillum rubrum 1,4,6,9 6,160 Staphylococcus albus 1,6,9 5,720 Staphylococcus aureus 3,4,6,9 6,600 Methicillin-resistant Staphylococcus aureus (MRSA) 6,500 Staphylococcus epidermidis 5,7 5,800 Streptococcus faecaila 5,7,8 10,000 Streptococcus hemolyticus 1,3,4,5,6,9 5,500 Streptococcus lactis 1,3,4,5,6 8,800 Streptococcus pyrogenes 4,200 Streptococcus salivarius 4,200 Streptococcus viridans 3,4,5,9 3,800 Vibrio comma (Cholera) 3,7 6,500 Vibrio cholerae 1,5,8,9 6,500 Molds UV Light Dose Aspergillus amstelodami 77,000 Aspergillus flavus 1,4,5,6,9 99,000 Aspergillus glaucus 4,5,6,9 88,000 Aspergillus niger (breed mold) 2,3,4,5,6,9 330,000 Mucor mucedo 77,000 Mucor racemosus (A & B) 1,3,4,6,9 35,200 Oospora lactis 1,3,4,6,9 11,000 Penicillium chrysogenum 56,000 Penicillium digitatum 4,5,6,9 88,000 Penicillium expansum 1,4,5,6,9 22,000 Penicillium roqueforti 1,2,3,4,5,6 26,400 Rhizopus nigricans (cheese mold) 3,4,5,6,9 220,000 Protozoa UV Light Dose Chlorella vulgaris (algae) 1,2,3,4,5,9 22,000 Blue-green Algae 420,000 E. hystolytica 84,000 Giardia lamblia (cysts) 3 100,000 Nematode Eggs 6 40,000 Paramecium 1,2,3,4,5,6,9 200,000 Virus UV Light Dose Adeno Virus Type III 3 4,500 Bacteriophage 1,3,4,5,6,9 6,600 Coxsackie 6,300 Infectious Hepatitis 8,000 Influenza 1,2,3,4,5,7,9 6,600 Rotavirus 5 24,000 Tobacco Mosaic 2,4,5,6,9 440,000 Yeast UV Light Dose Baker’s Yeast 1,3,4,5,6,7,9 8,800 Brewer’s Yeast 1,2,3,4,5,6,9 6,600 Common Yeast Cake 1,4,5,6,9 13,200 Saccharomyces cerevisiae 4,6,9 13,200 Saccharomyces ellipsoideus 4,5,6,9 13,200 Saccharomyces sp. 2,3,4,5,6,9 24,000 “The Use of Ultraviolet Light for Microbial Control”, Ultrapure Water, April 1989. William V. Collentro, “Treatment of Water with Ultraviolet Light – Part I”, Ultrapure Water, July/August 1986. James E. Cruver, Ph.D., “Spotlight on Ultraviolet Disinfection”, Water Technology, June 1984. Dr. Robert W. Legan, “Alternative Disinfection Methods-A Comparison of UV and Ozone”, Industrial Water Engineering, Mar/Apr 1982. Unknown Rudolph Nagy, Research Report BL-R-6-1059-3023-1, Westinghouse Electric Corporation. Myron Lupal, “UV Offers Reliable Disinfection”, Water Conditioning & Purification, November 1993. John Treij, “Ultraviolet Technology”, Water Conditioning & Purification, December 1995. Bak Srikanth, “The Basic Benefits of Ultraviolet Technology”, Water Conditioning & Purification, December 1995. * Approximate – Various sources may report different inactivation dosages. Dislaimer: THE INFORMATION CONTAINED IN THIS PUBLICATION IS BASED UPON DATA COLLECTED BY THE ATLANTIC ULTRAVIOLET CORPORATION AND IS BELIEVED TO BE CORRECT. 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