August 9, 2016 – 81 FR 52716-52717 – NUCLEAR REGULATORY COMMISSION – Tennessee Valley Authority; Watts Bar Nuclear Plant, Unit 1; Maximum Number of Tritium Producing Burnable Absorber Rods – The U.S. Nuclear Regulatory Commission (NRC) is issuing an amendment to Facility Operating License No. NPF-90, issued to the Tennessee Valley Authority, for operation of the Watts Bar Nuclear Plant, Unit 1. The amendment allows Watts Bar Nuclear Plant, Unit 1, to irradiate up to 1792 tritium producing burnable absorber rods (TPBARs) per cycle. This amendment revised Technical Specification (TS) 4.2.1, “Fuel Assemblies,” to increase the maximum number of TPBARs allowed in the core from 704 to 1792. The amendment also revised Surveillance Requirement (SR) 3.5.1.4 of TS 3.5.1, “Accumulators,” and SR 3.5.4.3 of TS 3.5.4, “Refueling Water Storage Tank (RWST),” to delete outdated information related to the tritium production program.