He said the department is undertaking two more studies to get better information.
The department is undertaking a further assessment of these incidents.
Two other departments also undertake this role but not to the same extent.
The specific expenditure commitment will be by no means the only one the department might undertake.
The department also undertakes many research projects sponsored by both the government and the industry.
The environmental department has undertaken 373 separate cleanup projects at the 293 sites, according to the reports.
The department undertakes highly focused research addressing the current needs of industry.
The department has undertaken teaching as well as research and guidance.
It is the first study since the Department of Education undertook a similar survey in 1974.
The department undertook its conversion to computer technology and the new photographic record to correct that.