Undeclared hazardous materials
Subtitle: new DOT efforts may provide additional information on undeclared shipments : report to congressional committees
By: United States Government Accountability Office.
Publisher: GAO
Published: 2006
Place of publication: Washington, D.C
Language: eng
Number of pages: 29
Subjects: Hazardous substances -- Transportation -- United States.; Transportation -- United States -- Safety measures.
Notes: Cover title.

"March 2006."

"GAO-06-471."

Includes bibliographical references.