View source for Guide:Rune Finder Guide v1.10, by Urlik

==Type III Ordinary Objects==
Most of these objects use OperateFn 14, which means they make a single Chest
TC drop with no desired quality. These are: Crates, Rogue Corpses (of all
types), Guard Corpses (of all types), most Hidden Stashes, Skull Piles, Jugs,
Skeleton Corpses, Hollow Logs, Loose Rocks, Loose Boulders, Coffins, Stashes,
Pillars, Cocoons, Tristram Bodies, some Rat Nests, Corpses of Villagers, Goo
Piles, Harem Beds, Hung Skeletons, Bone Chests, Hell Fire Braziers, and Pilesof-
Skulls-and-Rocks and some Barrels in Act 5 outdoor areas...
Note: there is a 33.3% chance that the Goo Piles in the Sand Maggot Lair will
have a poison trap.
The remaining Type III Ordinary Objects use OperateFn 1 which means they
make a single Chest TC drop with no desired quality and they have an 18.08%
chance to spawn a monster. These are: Caskets (all areas except Arcane's),
Sarcophaguses, and Act 1 Beds.