|
|
|
|
Ultraviolet
Dosage Required For Destruction Of Organisms (uW-s/cm2) |
Ultraviolet
energy levels at 254 nanometer units wavelength Required for 99.9%
destruction of various microorganisms UV energy in microwatt-seconds
per square centimeter
|
|
Bacteria
|
Mold
Spore |
|
| Agrobacterium
tumefaciens |
8,500
|
Aspergillus
flavus (yellowish green) |
99,000
|
|
Bacillus
anthracis |
8,700
|
Aspergillus
glaucus (bluish green) |
88,000
|
| Bacillus
mrgaterium (vegetative) |
2,500
|
Aspergillus
niger (black) |
330,000
|
|
Bacillus
mrgaterium (spore) |
52,000
|
Mucor
ramosissimus (white gray) |
35,200
|
| Bacillus
subtillis (vegetative) |
11,000
|
Penicillum
digitatum (olive) |
88,000
|
|
Bacillus
subtillis (spore) |
58,000
|
Penicillum
expensum (olive) |
22,000
|
| Clostridium
tetani |
22,000
|
Penicillum
roqueforti (green) |
26,400
|
|
Corynebacterium
diptheriae |
6,500
|
Rhizopus
nigricans (black) |
220,000
|
| Echerichia
coli |
7,000
|
-
|
-
|
|
Legionella
bozimanii |
3,500
|
-
|
-
|
| Legionella
dumoffii |
5,500
|
-
|
-
|
|
Legionella
gormanii |
4,900
|
Algae
|
|
| Legionella
micdadel |
3,100
|
Chlorella
vulgaris (algae) |
22,000
|
|
Legionella
longbeachae |
2,900
|
-
|
-
|
| Legionella
pneumophila |
3,800
|
-
|
-
|
|
Legionella
interrogans
(infectious jaundice) |
6,000
|
-
|
-
|
| Mycobacterium
tuberculosis |
10,000
|
Protozoa
|
|
|
Neisseria
catarrhaiis |
8,500
|
Nematode
eggs |
92,000
|
| Proteus
vulgaris |
6,600
|
Paramecium
|
200,000
|
|
Pseudomonas
aeruginosa
(laboratory strain) |
3,900
|
-
|
-
|
| Pseudomonas
aeruginosa
(environmental strain) |
10,500
|
-
|
-
|
|
Rhodospirilum
rubrum |
6,200
|
-
|
-
|
| Salmonella
enteritidis |
7,600
|
Virus
|
|
|
Salmonella
paratyphi
(Enteric fever) |
6,100
|
Bacteriophage
(E.coli) |
6,600
|
| Salmonella
typhimurium |
15,200
|
Hepatitis
virus |
8,000
|
|
Salmonella
typhosa
(Typhoid fever) |
6,000
|
Influenza
virus |
6,600
|
| Sarcina
lutea |
26,400
|
Poliovirus
|
21,000
|
|
Serratia
marcescens |
6,200
|
Rotavirus
|
35,000
|
| Shigella
dysenteriae
(Dysentery) |
4,200
|
Tobacco
mosaic virus |
440,000
|
|
Shigella
flexneri
(Dysentery) |
3,400
|
Virus
of Infectious Hepatitis |
8,000
|
| Shigella
sonnei |
7,000
|
-
|
-
|
|
Staphylococcus
epidermidis |
5,800
|
-
|
-
|
| Staphylococcus
aureus |
7,000
|
Yeast
|
|
|
Streptococcus
faecalis |
10,000
|
Baker's
yeast |
8,800
|
| Streptococcus
hemolyticus |
5,500
|
Brewer's
yeast |
6,600
|
|
Streptococcus
lactis |
8,800
|
Common
yeast cake |
13,200
|
| Streptococcus
viridans |
3,800
|
Saccharomyces
ellipsoideus |
13,200
|
|
Vibrio
cholerae |
6,500
|
Saccharomyces
sp. |
17,600
|
|
