According to Vostok Media, the cause of the leak was the depressurization of the refrigeration valve in the finished product warehouse.
Moreover, the Ratimir employees themselves were able to cope with the leak by closing the backup valve. The leakage volume was 3-5 liters.
The warehouse is ventilated, there is no gas cloud.
It's worth reminding that on the eve it became known about a fire at the largest Russian coal terminal in the port of Taman.