Inside of the first room you’ll get; INSULATOR BOOTS, 2 AIR PACKS, 2 CREDITS, 2 CREDITS and 1 CREDIT.
In the second room, you’ll get; 2 CREDITS, 3 TIME BOMBS, 3 BURST BOMBS, 10 CREDITS and 1 CREDIT.
In the third room you’ll get; 1 CREDIT, LASER KNIFE, 3 GRENADES, 1 CREDIT, 2 CREDITS and LEATHER BOOTS.
After cleaning out the rooms, head into the corridor and follow it around until you see the “KEEP OUT” sign. There is an opening next to the sign with an item on the ground.