On Wednesday, 6 December 2017, Lee successfully moved the following in the Australian Senate.
Senator RHIANNON (New South Wales): I, and also on behalf of Senator Singh, move:
That the Senate—
(a) Notes that:
(i) The 2016 Senate inquiry into contamination of Australia's Defence Force facilities and other Commonwealth, state and territory sites in Australia concluded that there were many points of failure in the Department of Defence’s response to PFOS/PFOA contamination at RAAF Williamtown;