According to the results of 1957 studies, the minimum concentration of carbon dioxide in the air of the burn chamber was 541 cm3/m3, the maximum – 2351 cm3/m3, with an average monthly indicator of 950±7 cm3/m3. In some months of the year the air saturation with carbon dioxide varied: in July and August it remained the smallest (752±13 cm3/m3 and 758±9 cm3/m3, respectively), and from November to February – the highest (from 1059±24 cm3/m3 up to 1084±25 cm3/m3). The average content of carbon dioxide was increased during the heating season (October-April) in comparison with the warm season (May-September), amounting to 879±9 cm3/m3 and 786±8 cm3/m3, respectively. The gas concentration was different in the chambers with different air volume per patient: the lower it was, the higher the CO2 content was 1061±9 cm3/m3 with an air volume of 13,4 m3, 957±16 cm3/m3with a volume of 17,4 m3, 686±6 cm3/m3 and 686±7 cm3/m3 for volumes of 31,4 m3 and 51,8 m3, respectively.

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