The assets of the fund shall be held for the exclusive purpose of the purchase, rental, maintenance and disposal of equipment; for the purchase or manufacture of materials, including fuels, supplies and services and for administration of the fund as described in this chapter and shall never inure or revert to the benefit of the county unless the county council deems the continued existence of the fund not be in the best interest of the county, subject to the limitations of chapter 36.33A RCW. (Added by Ord. 86-125 § 4, Nov. 6, 1986; Amended by Ord. 09-009, Mar. 18, 2009, Eff date Mar. 29, 2009).