H E R Z O G G O N T R R G T I N G G O R P . 600 S. RIVERSIDE RD.

P.O. BOX 1089 ST. JOSEPH, MO 64502 PHONE (816) 233-9001

FAX (81 6) 233-9881

May 29,2007

To Whom It May Concern:

WILLIAM E. HERZOG, PRESIDENT

Charles McCan Denny has replaced Ivan Eugene Bounds as the Herzog Radiation Protection and Safety Officer.

Mr. Denny completed the Radiation Safety Officer course offered by Humboldt Scientific in May 2007

Subjects included were: RSO Duties and Responsibilities Radiation Safety Practices Regulatory Requirements Dose/Shielding Requirements A ccidents/Storage Regulatory Guidance (NUREG- I556 Vol. 1) Transportation/HAZMA T Requirements

Date of Training: May 9,2007 Location: Lenexa, KS Certificate Number: 7137

Risk ALARA Radiation Measurement Operating and Emergency Procedures Calibration and Maintenance Record Keeping

Instructor: Eddie G. Hall Humboldt Scientific, Inc. 55 1 -D Pylon Drive