OSHA has approved the following Iowa State Standards which have been found to be identical to the comparable Federal standards: Crane or Derrick Suspended Personnel Platforms (1926.550); Underground Construction (1926.800); Air Contaminants (1910.1000); Occupational Exposure to Lead (1910.1025); Occupational Exposure to Formaldehyde (1910.1048); Occupational Exposure to Asbestos, Tremolite, Anthophyllite, and Actinolite (1910.1001); and Powered Platforms for Building Maintenance (1910.66).