Reference
- Lubenau, J. O. and Yusko, J. G. Radioactivity in Metal Scrap —An International Problem. Presentation at the Second Regional Congress on Radiological and Nuclear Safety, Zacatecas, Mexico. 22–26 November 1993. ( Available from Joel O. Lubenau, US Nuclear Regulatory Commission, Washington, DC 20555–0001).
- Exemption DOT-E 10656, First Revision (Research and Special Programs Administration, US Department of Transportation, Washington, DC20590–0001), (2 November 1993).
- Exemption DOT-E 10590, First Revision (Research and Special Programs Administration, US Department of Transportation, Washington, DC 20590–0001), (28 May 1992).
- Exemption DOT-E 10727 (Extension) (Research and Special Programs Administration, US Department of Transportation, Washington, DC 20590–0001) (28 August 1992).
- Exemption DOT-E 10807 (Research and Special Programs Administration, US Department of Transportation, Washington, DC 20590–0001 (17 September 1993).
- Radioactivity in the Scrap Recycling Process — Recommended Practice and Procedure (Institute of Scrap Recycling Indus-tries, Inc., 1325 G St, N.W., Suite 1000, Washington, DC 20005–3104) (1993).