Numbers 5:26

And the priest shall take a handful of the sacrifice as a memorial of it, and shall offer it up upon the altar; and afterwards he shall cause the woman to drink the water.

And the priest shall take an handful of the offering, even the memorial thereof, and burn it upon the altar, and afterward shall cause the woman to drink the water.

The priest shall take a handful of the meal offering, as its memorial portion, and burn it on the altar, and afterward shall make the woman drink the water.