A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO determined the potential cost of equipping and maintaining the capability of cities to respond to a terrorist incident involving a chemical, biological, radiological, or nuclear device (CBRN), focusing on the: (1) views of federal, state, and local officials on equipment they believed would provide various levels of capability to respond to a CBRN incident; and (2) potential procurement and sustainment costs of these items."