|
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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