Department of Civil and Environmental Engineering College of Engineering 5500 Campanile Drive San Diego, CA 92182-1324

April 22, 2005 TO WHOM IT MAY CONCERN Dear Sirs: This letter is written on behalf of FADI EL KHOURY. Mr. El Khoury has worked as a grader during Spring Semester 2005, for two of my classes: CIV E 445 Applied Hydrology, and CIV E 530 Open-channel Hydraulics. He worked during the periods of January 31 to March 15, 2005. He logged in 8 hours per week on the average. Mr. El Khoury is a graduate student in the department of Civil Engineering at SDSU in good standing. Sincerely yours, Victor M. Ponce Professor of Civil and Environmental Engineering THE CALIFORNIA STATE UNIVERSITY  Bakersfield  Channel Islands  Chico  Dominguez Hills  Fresno  Fullerton  Hayward  Humboldt  Long Beach  Los Angeles  Maritime Academy  Monterey Bay  Northridge  Pomona  Sacramento  San Bernardino  San Diego  San Francisco  San Jose  San Luis Obispo  San Marcos  Sonoma  Stanislaus