UCOR characterization teams are performing critical work at the Y-12 National Security Complex, meticulously assessing Exposure Units (EUs) 1, 2, and 3. These efforts are foundational for the development of the Agile Radiation Case Capability (ARCC) campus, a significant initiative by the National Nuclear Security Administration (NNSA) located in the East End of Y-12.
To ensure a comprehensive understanding of the site and its readiness for future national security imperatives, characterization crews employ specialized direct-push drilling rigs. These advanced tools facilitate the collection of soil, concrete, and groundwater samples with minimal disruption to the surrounding environment. Concurrently, the team conducts extensive radiological surveys across the entire 139-acre area and analyzes storm drain sediment to identify and trace potential contamination sources.
Traditional drilling methodologies often result in substantial waste generation and necessitate extensive well installation. In contrast, the smaller direct-push rigs enable a more efficient and environmentally conscious sampling approach. This method significantly reduces the ecological footprint while enhancing the precision of subsurface investigations, providing a more accurate assessment of prevailing conditions and the presence or distribution of potential contaminants.
Accurate comprehension of the environmental conditions within the East End is paramount for informed decision-making during the site preparation phase for Y-12’s ARCC campus construction. These state-of-the-art facilities are designed to establish the infrastructure for NNSA’s nuclear deterrent programs, which involve the processing of nuclear materials. UCOR’s characterization team is dedicated to ensuring that these new facilities are constructed upon a thoroughly characterized and secure foundation, safeguarding future missions.
Looking ahead, similar characterization campaigns are scheduled for the Alpha-2 parcel later this year. Following the comprehensive assessment of the East End, UCOR crews will extend their investigations to Alpha-2, utilizing the Geoprobe to identify any residual subsurface contamination and explore deeper geological strata.
This collaborative endeavor between UCOR and NNSA underscores the indispensable role of strategic partnerships in advancing both environmental cleanup and national security objectives, driven by a commitment to rigorous inquiry and proactive environmental stewardship.







