In the Volume Laboratory, the metrological activities are carried out under the laboratory conditions with the temperature maintained at the interval of 15°C - 25°C varying with ±1 °C in one hour and with relative humidity of (50 ± 15) %. The activities in the Density Laboratory are carried out with the temperature maintained at (20,0 ± 1,0) °C and with relative humidity of (45 ± 15) %.
In the Viscosity Laboratory, the metrological activities are carried out under the laboratory conditions with the temperature and relative humidity maintained at (20,0 ± 1,0) °C and (45 ± 15) %, relatively.