The following standards were cited most frequently by federal OSHA when inspecting manufacturing sites from October 2003 through September 2004.

1 — The Control of Hazardous Energy, Lockout/Tagout

2 — Hazard Communication

3 — Machines, General Requirements

4 — Respiratory Protection

5 — Electrical, Wiring Methods, Components and Equipment

6 — Mechanical Power-Transmission Apparatus

7 — Powered Industrial Trucks

8 — Electrical Systems Design, General Requirements

9 — Abrasive Wheel Machinery

10 — Mechanical Power Presses

11 — Woodworking Machinery Requirements

12 — Personal Protective Equipment, General Requirements

13 — Guarding Floor and Wall Openings and Holes

14 — Occupational Noise Exposure

15 — Portable Fire Extinguishers

The following standards were cited most frequently by federal OSHA when inspecting general construction contractors from October 2003 through September 2004.

1 — Scaffolding

2 — Fall Protection Scope/Applications/Definitions

3 — Ladders

4 — Elec. Wiring Methods, Components and Equip, Gen'l Use

5 — Construction, General Safety and Health Provisions

6 — Electrical, Wiring Design and Protection

7 — Stairways

8 — Fall Protection Systems Criteria and Practices

9 — Head Protection

10 — Hazard Communication

11 — Fall Protection Training Requirements

12 — Manually Propelled Mobile Ladder Stands and Scaffolds

13 — Electrical, General Requirements

14 — Excavations, General Requirements

15 — Construction, Safety Training and Education