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Latest News
NRC certifies NAC’s OPTIMUS-H transportation cask
The OPTIMUS-H transportation cask from NAC International. (Photo: NAC)
NAC International announced that the Nuclear Regulatory Commission has certified a highly shielded version of the company’s OPTIMUS (Optimal Modular Universal Shipping) transportation package for radioactive materials and waste. NAC’s OPTIMUS-H is now approved under 10 CFR Part 71 with Certificate of Compliance (CoC) USA/9392/B(U)F-96, effective Aug. 5, 2024.
The OPTIMUS-H CoC follows licensing approvals of the cask in Canada and Australia. Previously, the lightweight version of the OPTIMUS package, OPTIMUS-L, received certification from the NRC and the Canadian Nuclear Safety Commission.
NAC unveiled its first OPTIMUS to the public at the 2020 Waste Management Conference in Phoenix. Since then, NAC has delivered 22 OPTIMUS-L and nine OPTIMUS-H systems to support North American packaging and transportation projects.
H. K. Chiu, S. Noraky, R. M. Hong
Fusion Science and Technology | Volume 52 | Number 4 | November 2007 | Pages 1051-1055
Technical Paper | Plasma Engineering and Diagnostics | doi.org/10.13182/FST52-1051
Articles are hosted by Taylor and Francis Online.
Water flow calorimetry is utilized at DIII-D to quantify injected neutral beam power. As part of the system upgrades for the past year, the old CAMAC-based telemetry system for the WFC diagnostic was replaced by a fiber optic Ethernet-based telemetry system. The difficulty to obtain replacement CAMAC hardware and the prospect of lower noise and spurious signal sensitivity motivated the move to fiber optic Ethernet-based telemetry. The new system was installed and tested during the 2006 physics campaign startup phase. Both the CAMAC-based system and the new Ethernet-based system were used to acquire data from one common neutral beam ion source in the current year. System performance improvements are presented.