Have you seen the latest set of rules from Osprey Games.

Zone Alfa is set in a post-apocalyptic Eastern European setting. Players take on the role of bandits, mercenaries, and military units fighting over the blasted Exclusion Zone and its abandoned artefacts.
Think Stalker and the Metro series of computer games.

We have a number of figures suitable for these rules including the Hazmats

Check out the Distant Horizon range.