Delivery Order 68HE0923D0002-68HE0926F0102

EPA Region 9 issued a delivery order to Tetra Tech, Inc., on September 28, 2026, under the Navajo Area Uranium Mines Response Assessment and Evaluation Services II (NAUMRAES II) contract with a ceiling value of $82,879.52 for response assessment and evaluation services supporting the Navajo Nation in EPA Regions 6 and 9.

NAUMRAES II is a $65 million single-award IDIQ awarded by EPA Region 9 on April 7, 2023, authorizing removal site evaluations, engineering evaluations and cost analyses, remedial investigation and feasibility studies, technical design services, cleanup verification activities, data and records management, and community involvement outreach. The order is priced on a time-and-materials basis. Place of performance is San Francisco, CA 94105. Ultimate completion date is April 9, 2028. This delivery order represents one of over 30 task orders issued under NAUMRAES II supporting technical assessment services for abandoned uranium mines investigation and remediation on and around the Navajo Nation.