OF ENVIRONMENTAL MEDICINE

The findings in this report are not to be construed as an official Department of the Army position, unless so designated by other authorized documents. The views, opinions, and/or findings contained in this report are those of the authors and should not be construed as official Department of the Army position, policy, or decision, unless So designated by other official documentation. Human subjects participated in this study after giving their free and informed voluntary consent. Investigators adhered to AR 70-25 and USAMRDC Regulation 70-25 on Use of Volunteers in Research. Citations of commercial organizations and trade names in this report do not constitute an official Department of the Army endorsement or approval of the products or services of these organizaltions. Approved for public release; distribution is unlimited. DISPOSITION INSTRUCTIONS Destroy this report when no longer needed