I can't comment on most Polish industry, but for the Place of Culture and Science (Pałac Kultury i Nauki; abbreviated PKiN), I have a few interesting pictures from the basement, which isn't normally open due to the presence of:

http://harbinger.twilightwar.net/asbestos.JPG

<cough, cough>

Anyway, the 1959 era 'Place Guards' had been equipped with a nice cap, jacket, first aid kit, a stretcher, and gas mask.

http://harbinger.twilightwar.net/cap.JPG
http://harbinger.twilightwar.net/mask.JPG

So I took that to mean they were prepared for NBC operations to some extent.

Or maybe the gas mask was for the asbestos.... <shrug>