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Table 1 List of air and surface samples and description of the corresponding sampling area at the Mars500 facility (EU-250 = utility module, EU-150 = habitable module, and EU-100 = medical module)

From: Preparing for the crewed Mars journey: microbiota dynamics in the confined Mars500 habitat during simulated Mars flight and landing

Module

Air sample no.

Description

Surface Sample no.

Description

Surface character

Orientation

250

1

On the floor in front of the toilet

2

Wall above the vanity basin

Stainless steel

Vertical

6

On the floor of the gym next to the treadmill

3

Wall under the faucet close to the corner in the per capita shower cabin

Stainless steel

Vertical

7

On the floor in front of the greenhouse

9

Left hand side of the inside of the greenhouse

Stainless steel

Vertical

8

On the floor between storage racks

11

Rack surface from the storage area of clothes

Stainless steel

Horizontal

9

On the floor between the fridges

    

150

3

On the carpeted part of the floor in the community room

1

External surface of the toilet bowl

Stainless steel

Horizontal

4

On top of the table in the dining area

4

Wall in the corner in the community cabin

Wood

Vertical

5

On the floor of an individual compartment

5

Desktop surface close to the keyboard on the left hand side in the main panel

Wood

Horizontal

  

6

Surface of the dining table in the kitchen

Wood

Horizontal

10

Table surface in individual compartment

Wood

Horizontal

100

2

On the floor at the working place between desk and bunk

7

Table surface close to the insulator zone

Wood

Horizontal

  

8

Table surface around water plum

Wood

Horizontal