Scinta has recently mailed an updated Addenda & Errata sheet to all those purchasers of the "Health Physics and Radiological Health Handbook, Revised Edition." If you have not received a copy, contact: Scinta, Inc. 2421 Homestead Drive Silver Spring, MD 20902 Tel. 301-593-9478 FAX. 301-593-1018 email.Bernie2421@delphi.com