1) The location of the treasure

1-6	Chest
7-9	Urn
10-12	Bag
13-15	Pot
16-17	Loose
18	Carried
19	Hidden (Wall, Floor, Secret Compartment, etc.)
20	Ref's Choice

 
2) There is a one in four chance that a treasure has a trap in it.
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3) Traps

01-20	1-8 Daggers (1 in 6 poison)
21-36	1-6 Arrows
37-46	1-3 Spears (1 in 6 poison)
47-62	Gas
63-78	Poison Lock
79-88	Monster in Chest (Pay attention to monster’s size)
89-92	Exploding Chest (2-7 dice of damage)
93-95	Chest Does a Spell At Person
96	Chest Acts as Mirror of Life Trapping
97	Intelligent Chest (2nd -7th Level Magic User)
98	Lose One Level of Experience
99	Lose One Magic Item
00	Roll Twice

4) Gasses (Roll 6 sided die for first digit and 4 sided die for second digit)

11-12	Obscures Vision (Players run into each other, miss treasure, etc.)
13-14	Blinds Player 01-100 Hours
21-22	Fear During Next 2-9 Fights
23-24	Sleep 6-36 Rounds
31	+ 1-4 Points to Random Ability (8 hours) (1 in 10 permanent)
32-33	Sick: Return to Surface (1 in 6 in coma)
34	Paralyzation
41	Stone
42	Death!!
43	Polymorph to Monster or Animal 10’R.
44	Amnesia (1-20 days, 1 in 6 permanent)
51-52	Change Alignment
53-54	Slow (As slow spell)
61-62	Haste (As haste spell)
63	Cloud Kill
64	Go Berserk! Attack Friends!