SECTION FOUR
Chronology of Major Events for the Operable Unit
The following table includes the dates of the most significant events in the operation of the
incinerator system and WWTP at the SCS site.
Date
Activity
September 29, 1988
Phase III ROD signed by the U.S. EPA and the Army
Spring 1989
Phase II remediation completed
October 1990 August 1991
Incineration feasibility study conducted
September 30, 1993
Contract awarded
November 15, 1993
Notice to proceed issued
November 14, 1994
Mobilization to the site
May 13, 1995
WWTP put into operation
January 3, 1996
Construction of incinerator and supporting facilities complete
January 13, 1996
Shakedown and clean burn complete
January 14, 1996 August 14, 1996
Stop work in effect due to lawsuit
September 19, 1996
Public meeting held on the revised trial burn risk assessment protocol
January 20 22, 1997
Risk Burn No. 1 conducted
January 25 February 4, 1997
Trial Burn conducted
February 7 9, 1997
Risk Burn No. 2 conducted
February 10, 1997 March 4, 1998
Project shutdown for risk and trial burn data review
February 10, 1998
Public meeting held on the risk assessment
March 9, 1998
Full-scale operations started
April 22, 1999
Soil incineration completed
November 23, 1999
Project completion
4-1
Slippery Chemical OU 3 Final RA Report
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