From the VSP export dialog use the Browse button to navigate to a folder and specify a base filename for the export process.
Finally, hit the Export button and a number of files will be created. The BROOM project will be exported into its constituent components, specifically a Building, Samples, and Zones XML file.
The Building Restoration Operations Optimization Model (BROOM™) from Sandia National Laboratory is useful for mapping contaminants in buildings.
http://prod.sandia.gov/techlib/access-control.cgi/2012/128052.pdf