As you enter the soma distribution room, you find yourself elbowing past groups of black-wearing Epsilon janitors and elevator attendants arguing in monosyllabic sentences, as well as the slightly taller Deltas, all of whom are wearing the same khaki uniform.

A freemartin Alpha enters carrying a metal case that immediately
settles down the entire crowd. All at once, order is brought to the room. Talking ceases, lines are formed, and a general feeling of relief spreads throughout the room. As the workers receive their soma ration for the day, they settle in for a narcotic holiday on a faraway planet. The hallway west leads back to the lobby.
You see a soma case here.