Ensure the following when preparing for and conducting sampling:
- Consult with worker safety representative at the start of testing
- Fully charge or use new batteries in instruments before each day
- Verify instrument settings and parameters suit the test methods
- Calibrate instruments before and after each test
- Explain instrument operation to participants & answer questions
- Check instrument functioning regularly
- Document conditions and work assignments during sampling
- Observe and discuss with participants any incidents or conditions that could impact results, e.g. dosimeter microphone contact, instrument detachment, or instrument stoppage