|
What microorganisms are deactivated by
germicidal ultraviolet light?
|
|
Bacteria
|
UV Dose |
Bacteria
|
UV Dose |
|
Agrobacterium lumefaciens 5 |
8,500 |
Pseudomonas aeruginosa
(Environ.Strain) 1,2,3,4,5,9 |
10,500 |
|
Bacillus anthracis 1,4,5,7,9 (anthrax veg.) |
8,700 |
Pseudomonas aeruginosa (Lab. Strain) 5,7 |
3,900 |
|
Bacillus anthracis Spores(anthrax spores)* |
46,200 |
Pseudomonas fluorescens 4,9 |
6,600 |
|
Bacillus megatherium Sp. (veg) 4,5,9 |
2,500 |
Rhodospirillum rubrum 5 |
6,200 |
|
Bacillus megatherium Sp. (spores) 4,9 |
5,200 |
Salmonella enteritidis 3,4,5,9 |
7,600 |
|
Bacillus paratyphosus 4,9 |
6,100 |
Salmonella paratyphi (Enteric Fever) 5,7 |
6,100 |
|
Bacillus subtilis 3,4,5,6,9 |
11,000 |
Salmonella Species 4,7,9 |
15,200 |
|
Bacillus subtilis Spores 2,3,4,6,9 |
22,000 |
Salmonella typhimurium 4,5,9 |
15,200 |
|
Clostridium tetani |
23,100 |
Salmonella
typhi (Typhoid Fever) 7 |
7,000 |
|
Clostridium botulinum |
11,200 |
Salmonella |
10,500 |
|
Corynebacterium
diphtheriae 1,4,5,7,8,9 |
6,500 |
Sarcina lutea
1,4,5,6,9 |
26,400
|
|
Dysentery bacilli
3,4,7,9 |
4,200 |
Serratia marcescens
1,4,6,9 |
6,160
|
|
Eberthella typhosa
1,4,9 |
4,100 |
Shigella
dysenteriae - Dysentery 1,5,7,9 |
4,200 |
|
Escherichia coli
1,2,3,4,9 |
6,600 |
Shigella flexneri -
Dysentery 5,7 |
3,400 |
|
Legionella
bozemanii 5 |
3,500 |
Shigella
paradysenteriae 4,9 |
3,400 |
|
Legionella
dumoffill 5 |
5,500 |
Shigella sonnei 5
|
7,000
|
|
Legionella gormanil
5 |
4,900 |
Spirillum rubrum
1,4,6,9 |
6,160
|
|
Legionella micdadei
5 |
3,100 |
Staphylococcus
albus 1,6,9 |
5,720
|
|
Legionella
longbeachae 5 |
2,900 |
Staphylococcus
aureus 3,4,6,9 |
6,600
|
|
Legionella
pneumophila
(Legionnaire's Disease) |
12,300 |
Staphylococcus
epidermidis 5,7 |
5,800 |
|
Leptospira canicola-Infectious
Jaundice 1,9 |
6,000 |
Streptococcus
faecaila 5,7,8 |
10,000
|
|
Leptospira
interrogans
1,5,9 |
6,000 |
Streptococcus
hemolyticus 1,3,4,5,6,9 |
5,500
|
|
Micrococcus
candidus 4,9 |
12,300 |
Streptococcus
lactis 1,3,4,5,6 |
8,800
|
|
Micrococcus
sphaeroides 1,4,6,9 |
15,400 |
Streptococcus pyrogenes |
4,200 |
|
Mycobacterium
tuberculosis 1,3,4,5,7,8,9 |
10,000 |
Streptococcus salivarius |
4,200
|
|
Neisseria
catarrhalis 1,4,5,9 |
8,500 |
Streptococcus
viridans 3,4,5,9 |
3,800
|
|
Phytomonas
tumefaciens 1,4,9 |
8,500 |
Vibrio comma
(Cholera) 3,7 |
6,500
|
|
Proteus vulgaris
1,4,5,9 |
6,600 |
Vibrio cholerae
1,5,8,9 |
6,500
|
|
Molds |
UV Dose
|
Molds |
UV Dose |
|
Aspergillus amstelodami |
77,000 |
Oospora lactis
1,3,4,6,9 |
11,000
|
|
Aspergillus flavus
1,4,5,6,9 |
99,000
|
Penicillium chrysogenum |
56,000
|
|
Aspergillus glaucus
4,5,6,9 |
88,000
|
Penicillium
digitatum 4,5,6,9 |
88,000
|
|
Aspergillus niger
(breed mold) 2,3,4,5,6,9 |
330,000 |
Penicillium
expansum 1,4,5,6,9 |
22,000
|
|
Mucor
mucedo |
77,000 |
Penicillium
roqueforti 1,2,3,4,5,6 |
26,400 |
|
Mucor racemosus (A
& B) 1,3,4,6,9 |
35,200 |
Rhizopus nigricans
(cheese mold) 3,4,5,6,9 |
220,000 |
|
Protozoa |
UV Dose
|
Protozoa |
UV Dose
|
|
Chlorella vulgaris
(algae) 1,2,3,4,5,9 |
22,000
|
Giardia lamblia
(cysts) 3 |
100,000
|
|
Blue-green
Algae |
420,000
|
Nematode
Eggs
6
|
40,000
|
|
E.
hystolytica |
84,000
|
Paramecium
1,2,3,4,5,6,9
|
200,000
|
|
Virus |
UV Dose
|
Virus
|
UV Dose |
|
Adeno
Virus Type III
3
|
4,500
|
Influenza
1,2,3,4,5,7,9
|
6,600
|
|
Bacteriophage
1,3,4,5,6,9
|
6,600
|
Rotavirus
5
|
24,000
|
|
Coxsackie
|
6,300
|
Tobacco
Mosaic
2,4,5,6,9
|
440,000
|
|
Infectious
Hepatitis
1,5,7,9 |
8,000 |
0 |
|
|
Yeasts |
UV Dose
|
Yeasts |
UV Dose
|
|
Baker's
Yeast
1,3,4,5,6,7,9
|
8,800 |
Saccharomyces
cerevisiae 4,6,9 |
13,200
|
|
Brewer's
Yeast
1,2,3,4,5,6,9
|
6,600 |
Saccharomyces
ellipsoideus 4,5,6,9 |
13,200 |
|
Common
Yeast Cake
1,4,5,6,9
|
13,200 |
Saccharomyces sp.
2,3,4,5,6,9 |
17,600
|
|
1. "The
Use of Ultraviolet Light for Microbial Control", Ultrapure
Water, April 1989.
2. William V. Collentro, "Treatment of Water with
Ultraviolet Light - Part I", Ultrapure Water, July/August
1986.
3. James E. Cruver, Ph.D., "Spotlight on Ultraviolet
Disinfection", Water Technology, June 1984.
4. Dr. Robert W. Legan, "Alternative Disinfection Methods-A Comparison of UV and Ozone", Industrial Water
Engineering, Mar/Apr 1982.
5. Unknown
6. Rudolph Nagy, Research Report BL-R-6-1059-3023-1,
Westinghouse Electric Corporation.
7. Myron Lupal, "UV Offers Reliable Disinfection", Water
Conditioning & Purification, November 1993.
8. John Treij, �Ultraviolet Technology�, Water
Conditioning & Purification, December 1995.9. Bak Srikanth,
�The Basic Benefits of Ultraviolet Technology�, Water
Conditioning & Purification, December 1995
*
Approximate - Various sources may report different
inactivation dosages. |
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