Warnings
Warnings are very common on construction sites and help to raise awareness about entering hazardous lead-containing areas, but they do not prevent entry. Warnings work only as long as employees comply with them. Generally, warnings include signs, alarms, and labels. Employers are required to post this warning sign where the PEL of lead is exceeded.
All signs must be well lit and kept clean so that they are easily visible. Statements that contradict or detract from the signs' meaning are prohibited. Signs required by other statutes, regulations, or ordinances, however, may be posted in addition to, or in combination with, this sign.
Work Practice Controls
If engineering controls cannot be implemented, or cannot be implemented right away, work practice controls should be considered.
Work practice controls are considered less effective than elimination, substitution, and engineering controls because worker compliance with safe practices is necessary.
Work practice controls include:
- requiring the use of PPE and fall protection
- completing a Job Hazard Analysis (JHA) for a new task
- reducing the time workers are exposed to a hazard
- mandating that two workers lift heavy loads
Knowledge Check Choose the best answer for the question.
5-4. Why are work practice controls less effective in creating a safe workplace than elimination, substitution, and engineering controls?
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