March 1942 This installation was designated and built as a temporary camp during World War II (WWII).

June 1954 Camp Atterbury become inactive.

1968 – 1970 Approximately 25 to 30 gallons of a bulk liquid was disposed.

1979 – 1980 An ampoule of an unknown solution, which may have been part of a chemical agent identification set (CAIS), was found.

1993 – 1994 Limited funding was requested for sampling/investigation of an approximately 1-acre area where mustard agent residue or destruction byproducts may have been buried or deposited on the ground over 20 years ago. CAIS are also likely to have been used during training.

Camp Atterbury is a federally owned National Guard installation, 33,500 acres in size. Preliminary planning and coordination between the installation and the U.S. Army Technical Escort Unit (TEU) has occurred."

The Army's Project Manager for Non-Stockpile Chemcial Warfare Materiel 1996 report indicated - "Twenty-five to thirty gallons of a bulk liquid with a molasses type consistency (possibly mustard) was poured from dark olive-drab containers onto the ground and ignited. Time frame 1968 to 1970. Also suspected burial of chemical agent identification sets discovered in 1979 and 1980." Size of the area where CWA is suspected of being disposed of is unknown.