Originally Posted By: turtlevette
Some good features there and looked good until I got to the part on tritium leakage into the environment which would be perceived very negatively here in the States.
Well, it is a whopping 1% of the regulatory limit so it isn't like it is really an issue.
Also, apparently you guys are making it (and leaking it)
Quote:
According to the Institute for Energy and Environmental Research report in 1996 about the U.S. Department of Energy, only 225 kg (496 lb) of tritium has been produced in the United States since 1955. Since it continually decays into helium-3, the total amount remaining was about 75 kg (165 lb) at the time of the report.[3][15]
Tritium for American nuclear weapons was produced in special heavy water reactors at the Savannah River Site until their close-downs in 1988. With the Strategic Arms Reduction Treaty (START) after the end of the Cold War, the existing supplies were sufficient for the new, smaller number of nuclear weapons for some time.
The production of tritium was resumed with irradiation of rods containing lithium (replacing the usual control rods containing boron, cadmium, or hafnium), at the reactors of the commercial Watts Bar Nuclear Generating Station in 2003–2005 followed by extraction of tritium from the rods at the new Tritium Extraction Facility[16] at the Savannah River Site beginning in November 2006.[17]
Tritium leakage from the TPBARs during reactor operations limits the number that can be used in any reactor without exceeding the maximum allowed tritium levels in the coolant.