Clean Harbors Environmental Services Inc., Norwell, Massachusetts, has been awarded a maximum $25,740,050 indefinite-delivery/indefinite-quantity contract for hazardous waste removal and disposal. This was a sole-source acquisition with two responses received. This is an 18-month base contract with one 18-month option period. Locations of performance are throughout the northeastern U.S., with a Jan. 16, 2026, performance completion date. Using customers are Defense Department, Coast Guard, Fleet Industrial Supply Center, Air National Guard and Army Transportation Center. Type of appropriation is fiscal 2023 through 2026 defense working capital funds. The contracting activity is the Defense Logistics Agency Disposition Services, Battle Creek, Michigan (SP4500-23-D-0008).