USGS Oklahoma Texas Water Science Center requires laboratory decommissioning, cleanup, and hazardous waste disposal at 202 NW 66th Street, Building 7, Oklahoma City, OK. The contractor must provide all labor, equipment, materials, transportation, and management to remove USGS-owned furnishings and equipment, decontaminate surfaces and infrastructure, conduct sampling, characterize and dispose of solid and hazardous waste per regulations, and prepare a final closure report. No option periods are included; the period of performance is 90 days after receipt of order. A site visit is scheduled for 8/24/2026 at 0900 CT. This competitive requirement is a small business set-aside under NAICS 562910 with a $25 million size standard.