TPA Changes
TPA Changes
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 
2009 2010 2011 2012 2013 2014 2015 2016 2017 
M-15-17-01  02/02/2017  Extension of Interim Milestones M-015-99 Complete remedial investigation of PFP related waste sites located in 200-WA-1 in accordance with the 200-WA-1 and 200-BC-1 Rl/FS Work Plan, and M-15-91B Submit Feasibility Study Report(s) and Proposed Plan(s) for the 200-BC-1 and 200-WA-1 operable units (200 West Inner Area) to EPA and add Interim Milestone M-015-84 Complete remedial investigation of 200-WA-1 and 200-BC-1 operable unit waste sites in accordance with the 200-WA-1 and 200-BC-1 RI/FS Work Plan.  
M-16-16-05  02/16/2017  Extension of Interim Milestones M-016-193 by One Year 
C-17-01  03/03/2017  200-CP-1 Operable Unit Waste Site Assignment and Reassignment in Appendix C 
C-16-02  03/07/2017  Assignment of Waste Sites to the 200-EA-1, 200-IS-1, and 200-CP-1 Operable Units in the Tri-Party Agreement (TPA) Appendix C 
M-16-17-01  03/30/2017  Waste Site Schedule per Action Memoranda and Addition of Interim Milestone 
M-45-16-01  03/30/2017  Modify M-045 Closure Milestones for WMA C Closure 
C-17-02  04/24/2017  Waste Site Assignment and Reassignments to the 200-CB-1 and 200-CP-1 Operable Unit in Appendix C 
C-17-04  04/24/2017  Waste Site Assignment to the 200-IS-1 Operable Unit in Appendix C 
M-15-17-02  06/19/2017  Extension of Interim Milestone M-015-92A 
M-24-17-01  06/20/2017  Groundwater Protection, Monitoring, and Remediation Well Installation Priority List Update Through CY2020, Including New Interim Milestone and Target Date