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3.5. It is forbidden to carry out any works in the exhaust hoods if there are substances,
materials and equipment, not relating to the performed operations, as well as when an
exhaust hood is defective, or the ventilation system is switched off.
3.6. At the end of a working day, HFL waste must be collected in a special closed
container and removed from the laboratory for further recycling. It is forbidden to discharge
HFL and CL into the drain system.
3.7. In the case of spilling HFL in the Stainer or its immediate vicinity, the power
supply system of the equipment beyond the room must be preliminary switched off. The
spilled HFL must be covered up with dry sand or sawdust, wipe materials, and then the HFL
must be gathered and placed into a closeable container. The gathered HFL must be
disposed of on the same day. It is forbidden to continue operation in the room until the odor
of the spilled liquid vanishes completely.
4 Actions in case of fire
4.1. In case if HFL catches fire in the working chamber, close the lid of the chamber
and switch off the power supply system of the Stainer. If the fire does not cease, apply a
CO2 fire extinguisher. Initially blow the ventilation grids on the housing of the Stainer. The
inflow ventilation grid is situated on the bottom of the Stainer, the exhaust ventilation grid –
at the back panel. If possible, it is recommended to take off the air filter from the inflow
ventilation grid. If the fire in the working chamber does not cease, cautiously fold the lid of
the working chamber back and fill the working chamber with gas from the fire extinguisher.
Try to avoid spattering of reagents from the troughs.
4.2. If the flame develops beyond the working chamber of the Stainer, close the lid of
the working chamber, switch off the power supply system of the Stainer, put out the fire with
a CO2 fire extinguisher. Initially process the ventilation grids on the housing of the Stainer
with a jet from the fire extinguisher.