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Advantages of long-term samplers:

• Will monitor the workplace over a long period of time.
• Will accurately identify 8-hour time weighted average.

Disadvantages of long-term samplers:

• Will not generally identify a specific type of contaminant.
• Will not identify multiple exposure i.e. more than one contaminant.
• Does not identify personal exposure.
• Unless very sophisticated, will not read peaks and troughs.

ENSIGN| Unit IG2 – Element 7 – Chemical and Biological 25
Agents