40 CFR § 46.225
Equipment
June 9, 2020
(a) If EPA authorizes you to purchase equipment (see §46.140(b)) and the equipment retains a fair market value of more than $5,000, you must request disposition instructions from the EPA project officer when you no longer need it for the work under the fellowship.
(b) If you purchase an item with an acquisition cost of $5,000 or less, the item belongs to you.