We need your support to keep TheyWorkForYou running and make sure people across the UK can continue to hold their elected representatives to account.Donate to our crowdfunder
I will write to the hon. Member.
In my answer of
Aerial tritium discharges result almost entirely from the nuclear weapons programme. The predictions for 2006 onwards were based on empirical information provided by the Atomic Weapons Establishment to the Environment Agency (EA) in support of an application for a new authorisation for the disposal of radioactive waste. These predicted figures included an allowance for operational headroom over the maximum reported discharge in the previous five years of approximately 1-5 times, hence the apparent rise in future discharge figures. Even at these levels, the discharges will be significantly lower than EA limits and actual discharge levels are expected to be considerably lower.
Liquid tritium discharges arise from the nuclear weapons and nuclear propulsion programmes, as well as some historic contamination. In all cases, liquid discharge . projections are based on the minimum recordable level of tritium in analysed samples so the values given are the maximum that could reasonably be expected. Again, the actual discharge levels are likely to be significantly less.
I hope this response provides the explanation that you sought.