A letter report issued by the Government Accountability Office with an abstract that begins "Nanotechnology involves the ability to control matter at the scale of a nanometer--one billionth of a meter. The world market for products that contain nanomaterials is expected to reach $2.6 trillion by 2015. In this context, GAO (1) identified examples of current and potential uses of nanomaterials, (2) determined what is known about the potential human health and environmental risks from nanomaterials, (3) assessed actions EPA has taken to better understand and regulate the risks posed by nanomaterials as well as its authorities to do so, and (4) identified approaches that other selected national authorities and actions U.S. states have taken to address the potential risks associated with nanomaterials. GAO analyzed selected laws and regulations, reviewed information on EPA's Nanoscale Materials Stewardship Program, and consulted with EPA officials and legal experts to obtain their perspectives on EPA's authorities to regulate nanomaterials."

Testimony issued by the Government Accountability Office with an abstract that begins "The federal judiciary and the General Services Administration (GSA) are in the midst of a multibillion-dollar courthouse construction initiative, which began in the early 1990s and has since faced rising construction costs. As requested, for 33 federal courthouses completed since 2000, GAO examined (1) whether they contain extra space and any costs related to it, (2) how their actual size compares with the congressionally authorized size, (3) how their space based on the judiciary's 10-year estimates of judges compares with the actual number of judges, and (4) whether the level of courtroom sharing supported by the judiciary's data could have changed the amount of space needed in these courthouses. GAO analyzed courthouse planning and use data, visited courthouses, modeled courtroom sharing scenarios, and interviewed judges, GSA officials, and other experts. The findings in this testimony are preliminary because the federal judiciary and GSA are still in the process of commenting on GAO's draft report and did not provide comments on this testimony."