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Table 2

Comparison of observed amounts of microorganisms found in the non-woven fabrics and sand samples

PhaseSampleObserved microorganismsQuantification
First phase Nonwoven fabric Suspended bacteria ++ + + 
Rhizopoda (Amoebae) ++ 
Free-swimming ciliates (like-Tetrahymena++ + + 
Nematode worms 
Second phase Nonwoven fabric Suspended bacteria ++ + + 
Flagellates ++ 
Free-swimming ciliates (like-Tetrahymena++ + 
Nematode worms ++ + 
Worm eggs ++ + 
Rotifers ++ + 
Sand (1) Suspended bacteria ++ + 
Flagellates ++ 
Free-swimming ciliates ++ + 
Attached ciliates (like-Vorticella++ + 
Worm eggs ++ + 
Rotifers ++ 
Sand (2) Suspended bacteria ++ 
Flagellates ++ 
Rhizopoda – (Naked Amoebae and Testate Amoebae) 
Nematode worms ++ 
Worm eggs 
PhaseSampleObserved microorganismsQuantification
First phase Nonwoven fabric Suspended bacteria ++ + + 
Rhizopoda (Amoebae) ++ 
Free-swimming ciliates (like-Tetrahymena++ + + 
Nematode worms 
Second phase Nonwoven fabric Suspended bacteria ++ + + 
Flagellates ++ 
Free-swimming ciliates (like-Tetrahymena++ + 
Nematode worms ++ + 
Worm eggs ++ + 
Rotifers ++ + 
Sand (1) Suspended bacteria ++ + 
Flagellates ++ 
Free-swimming ciliates ++ + 
Attached ciliates (like-Vorticella++ + 
Worm eggs ++ + 
Rotifers ++ 
Sand (2) Suspended bacteria ++ 
Flagellates ++ 
Rhizopoda – (Naked Amoebae and Testate Amoebae) 
Nematode worms ++ 
Worm eggs 

Note: (+): a few; (++ ): some; (+++): many; (++ + +) predominant.

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