Security Expert Witness Services


J. R. Roberts Security Consulting


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This document was prepared by Lynn Jenkins of the National Institute for Occupational Safety and Health (NIOSH). The author thanks the following NIOSH personnel for their review and comment: Jane Lipscomb, Ph.D.; Naomi Swanson, Ph.D.; Tim Pizatella; Nancy Stout, Ed.D.; Terry Wassell, Ph.D.; and William Halperin, M.D. The staff of the Injury Surveillance Section of the Division of Safety Research, NIOSH, also provided support and assistance to the development of this document.

The author gratefully acknowledges the work of the following reviewers: Bill Borwegen of the Service Employees International Union; Jordan Barab of the American Federation of State, County, and Municipal Employees; Jay Malcan, Ph.D., of the Virginia Department of Criminal Justice Services; and Pam McMahon, Ph.D., of the Division of Violence Prevention at the National Center for Injury Prevention and Control.

Editorial review and production assistance were provided by Anne Hamilton, Herb Linn, Joyce Spiker, Vanessa Becks, Jane Weber, Susan Feldmann, Rosemarie Hagedorn, Ann Stirnkorb, Dick Carlson, and Julie Tisdale.

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Security Questions?

For more information, assistance, or a free consultation, Call our office at
(912) 441-2059, or

J. R. Roberts
Security Strategies
PO Box 279
Balsam, North Carolina

(912) 441-2059


© J. R. Roberts, Security Strategies