Atmosphere, Corrosive (CL 4)
Saga Edition Core Rulebook, page 3 (table of contents).
The chemicals of a corrosive atmosphere eat away at clothing, objects, and flesh.
Type: Acid, atmospheric, contact, natural
Trigger: A creature, a droid, or an object begins its turn in a corrosive atmosphere.
Attack: +4 vs. Fortitude Defense
Damage/Effect: 2d6 acid (Miss: Half damage)
Recurrence: On trigger
Skill:
Knowledge [physical sciences] (DC 16): The character identifies the presence of a corrosive atmosphere.
Special: Creatures, droids, or objects that have special protection against a corrosive atmosphere, such as environmentally sealed space suits, are not affected by this hazard.
Corrosive Atmosphere (Deprecated)
Saga Edition Core Rulebook, page 253.
A corrosive atmosphere has chemicals that can eat away at everything from armor to organic flesh. Each round a creature is exposed to a corrosive atmosphere, make an attack roll (1d20+5) against a creature’s Fortitude Defense. If the attack succeeds, the creature takes 2d6 points of acid damage. If the attack fails, the creature takes half damage that round.