As soon as the ramp had been erected in the castle, people started arriving in Kulmhof from Lizmannstadt in lorries... The people were told that they had to take a bath, that their clothes had to be disinfected and that they could hand in any valuable items beforehand to be registered....

When they had undressed they were sent to the cellar of the castle and then along a passageway on to the ramp and from there into the gas-van. In the castle there were signs marked "to the baths". The gas vans were large vans, about 4-5 meters long, 2.2 meter wide and 2 meter high. The interior walls were lined with sheet metal. On the floor there was a wooden grille. The floor of the van had an opening which could be connected to the exhaust by means of a removable metal pipe. When the lorries were full of people the double doors at the back were closed and the exhaust connected to the interior of the van....