1.3
Methane concentration, %
8828=2x22388322ssassssasBaassssa2s$ss88&232822388$ 88 88 X2382S8888 = 328o:;S 28 8 = 2883 = 58s832S388 88 83X88822 88833Ś88882 = 2222222S8g88S32338o88 = = 2222222S 222888?;
2331 12
Time. hours: minutes: seconds