A copy of the principal documents comprising the plan may be inspected and copied during normal business hours at the following locations: Office of State Programs, Occupational Safety and Health Administration, U.S. Department of Labor, 200 Constitution Avenue NW, Room N3700, Washington, DC 20210;Office of the Regional Administrator, Occupational Safety and Health Administration, U.S. Department of Labor, City Center Square, 1100 Main Street, Suite 800, Kansas City, Missouri 64105; andOffice of the Commissioner, Iowa Division of Labor , 1000 E. Grand Avenue, Des Moines, Iowa 50319. [65 FR 36622, June 9, 2000]