Microbiology of AIR

b.stev

MICROBES MICROBES in the AIRin the AIR

Gases

Water vapour

Algal spores

Fungal spores

Common bacteria

E.coli S.marcesens

S.aureus

Dust particles

(Microbiologyprocedure, 2008)

The SOURCES SOURCES of Microbes of Microbes in Airin Air

Wind blown long suspension time

Human/Animal

breath coughsneeze

talklaugh

Aerosolsmachine fans

air conditioners

vents

Man's Actions

ploughingdigging

excavationconstruction

irrigationfertilizers

Water droplets fountains

streams ponds rivers

3 Forms of Discharge

grouped via size and moisture content

Dropletsmucoussalivatalking

coughing sneezing

Infectious dust

dried secretionsculturing microbes

handkerchiefbed making

clothes sweeping

Droplet Nuclei1-4 µm dry solid of a dropletability to travel distances

survival limited by: humidity sunlight susceptibility

Bibliography

Microbiologyprocedure.com. (2008). Air Microbiology, Microorganisms Composition in Air, Troposphere....Retrieved August 13, 2008, from http//:www.microbiologyprocedure.com/air-microbiology/hesss-tub

McKinney. R.E. (2004). Environmental Pollution Control Microbiology. Retrieved August 12, 2008, from http//:www.pagesbooks.google.com/books?isbn =082475493X...