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UV Kill Dosages

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Dosage of UV-C for complete destruction (uW-sec/cm2)
Agrobacterium Lumefaciens^ 8,500 Streptococcus Lactis* 8,800
Bacillus Anthracis*(Anthrax) 8,700 Streptococcus Pyrogenes^ 4,200
Bacillus Anthracis Spores^(Anthrax) 46,200 Streptococcus Salivarius^ 4,200
BaciHus Megatherium Sp. (Veg)* 2,500 Streptococcus Viridans* 3,800
Bacillus Megatherium Sp. (Spores)* 5,200 Typhoid Fever^ 4,100
Bacillus Paratyphosus* 6,100 Vibrio Comma (Cholera)^ 6,500
Bacillus Subtilis* 11,000 Vibrio Cholerae^ 6,500
Bacillus Subtilis Spores* 22,000 MOLDS
Clostridium Tetani^ 23,100 Aspergillus Amstelodami^ 77,000
Clostridium Botulinum^ 11,200 Aspergillus Flavus* 99,000
Corynebacterium Diphtheriae* 6,500 Aspergillus Glaucus* 88,000
Dysentery BaciIli* 4,200 Aspergillus Niger (bread mold)* 330,000
Eberthella Typhosa* 4,100 Mucor Mucedo^ 77,000
Escerichia Coll* 8,600 Mucor Racemosus (A & B)* 35,200
Legionella Bozemanii^ 3,500 Oospora Lactis* 11,000
Legionella Dumoffill^ 5,500 Penicillium Chrysogenum^ 56,000
Legionella Gormanil^ 4,900 Penicillium Digitatum* 88,000
Legionella Micdadei^ 3,100 Penicillium Expansum* 22,000
LegioneHa Longbeachae^ 2,900 Penicillium Roqueforti* 26,400
Leglonella Pneumophfla Rhizopus Nigricans (cheese mold)* 220,000
(Legionnaire’s Disease) 2,760 PROTOZOA
Leptospiracanicola- Chlorella Volgaris (atgae)* 22,000
Infectious Jaundice^ 6,000 Blue-green Algai^ 420,000
Leptospira Interrogans^ 8,000 E. Hystolytica^ 84,000
Micrococcus Candidus* 12,300 Giardia Lamblia (cysts)^ 100,000
Micrococcus Sphaeroides* 15,400 Nematode Eggs^ 40,000
Mycobacterlum Tuberculosis^ 10,000 Paramecium* 200,000
Neisseria Catarrhalis* 8,500 VIRUS
Phytomonas Tumefaciens* 10,500 Adeno Virus Type III^ 4,500
Proteus Vulgaris* 3,900 BacterIophage (E.Coli)* 6,600
Pseudomonas Aeruginosa Coxsackie A2^ 6,300
(Environmental Strain)* 6,600 Infectious Hepatitis^ 8,000
Pseudomonas Aeruginosa lnfluenza* 3,400
(Laboratory Strain)^ 6,200 Rotavirus^ 24,000
Pseudomonas Fluorescens* 7,600 Poliovirus^ 21,000
Rhodospirillum Rubrum^ 6,100 Variola** (Smallpox) 24,000
Salmonella Enteritidis^ 10,000 YEASTS
Salmonella Paratyphi Baker’s Yeast* 8,800
(Enteric Fever)^ 15,200 Brewer’s Yeast* 6,600
Salmonella Species^ 7,000 Common Yeast Cake* 13,200
Salmonella Typhimurium* 10,500 Saccharomyces Cereisiae* 13,200
Salmonella Typhosa Saccharomyces Ellipsoideus* 13,200
(Typhoid Fever)^ 26,400 Saccharomyces Sp.* 17,600
Salmonella* 6,160
Sarcina Lutea * 4,200
Serratia Marcescens* 3,400
Shigella Dysenteriae-Dysentery^ 3,400 *Westlnghouse Electric Corp.
^Various Sources (predominately Pasteur Institute, Paris, France)
**Ed Nardell (Harvard School of Medicine) verbally
Dosage measured in u-watt-sec/cm2


Shigella Flexneri-Dysentery^ 7,000
Shigella Paradysenteriae* 8,500
Shigella Sonnei^ 6,600
Spirillum Rubrum* 6,160
Staphlylococcus Albus* 5,720
Staphlylococcus Aureus* 6,600
Staphlylococcus Epidermidis^ 5,800
Streptococcus Faecaila^ 10,000
Streptococcus Hemolyticus* 5,500

Also see: Mathematical Modeling of Ultraviolet Germicidal Irradiation for Air Disinfection

Additional references on this subject including RATE CONSTANTS FOR AIRBORNE PATHOGENS are available from Penn State University.

Sizes of airborne pathogens are also available from Penn State University at AEROBIOLOGICAL ENGINEERING -- Airborne Pathogens Database.

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