The U.S. Nuclear Regulatory Commission (NRC) has posted updates, with many photos, on construction of two massive 32-million-gallon concrete “tanks” to hold redefined high-level nuclear waste processed via the new Salt Waste Processing Facility (SWPF) from the SRS high-level waste tanks; when filled, the “Salt Disposal Units” will eventually be capped and left in place forever.
Overview presentations by contractor Savannah River Remediation (SRR):
SRR-CWDA-2021-00062, Rev. 0, “SDU 8 Construction Progress as of 07/31/2021”
https://adamswebsearch2.nrc.gov/webSearch2/main.jsp?AccessionNumber=ML21221A271
SRR-CWDA-2021-00063, Rev. 0, “SDU 9 Construction Progress as of 07/31/2021”
https://adamswebsearch2.nrc.gov/webSearch2/main.jsp?AccessionNumber=ML21221A275
The above were made public by the Nuclear Regulatory Commission, which has formal observer status over SRS high-level waste issues, on August 17, 2021.
SRS news release, July 22, 2020: Next Mega-Volume Saltstone Disposal Unit Taking Shape at SRS