No, occupational noise monitoring does not need to be carried out continually—but it should be done regularly and when certain conditions change. Here’s a breakdown of when and how often it should be done:
| Type of Monitoring | Required? | When? |
| Initial Baseline Survey | ✅ Yes | New equipment/processes or unknown exposure |
| Periodic Reassessment | ✅ Yes | Every 1–2 years (high risk), 3–5 years (low risk) |
| Trigger-Based Review | ✅ Yes | After changes in environment or complaints |
| Continuous Monitoring | ⌠No (unless high risk) | Special cases only |
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