The latest reports are available here in pdf format. The CY 2024 Argonne Site Environmental Report (ASER) reflects DOE’s commitment to environmental protection, compliance, sustainability, and Argonne National Laboratory’s best efforts to ensure the validity and accuracy of the monitoring data.
Please note that these files are large and make take some time to download. An archive of reports since 1972 is also available on request.
Site Environmental Report (2024): This document is Argonne's most recent annual report on environmental monitoring and clean-up activities.
Surveillance of Site A and Plot M (2024): This document is an official annual report of environmental surveillance of Site A and Plot M at Red Gate Woods in the Cook County Forest Preserve. A number of small research reactors, including the world's first nuclear reactor, operated on this site from 1943 to the mid-1950s.