Sampling period (days)
Variation of mass Dm (g)
Concentration of environmental CO
2
(ppm)
7
0.57 ± 0.007
48 ± 1
7
0.72 ± 0.007
55 ± 1
7
0.75 ± 0.007
55 ± 1
Table 3:
Variation of mass in relation to the quantity of CO
2
present in the environment (indoor). The concentration of indoor CO
2
was found 10 times less than the average concentration in the atmosphere, thus indicating good quality of the air.
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