The water in the BL1A holding tank was released to the city sewer.  This water was sampled, tested, and approved for release by RPG two weeks ago.  The total volume was 510L, a combination of water from the T2 and TNF systems.  The total time required to pump out the water with all valves fully open was 1hr2m.  Paperwork for the water release was completed and returned to RPG.