Usually the filter papers will be desiccated for 24 hr before and after ambient air pollutant sampling.

As we encounter some error in weighing balance, we are unable to weigh the exposed air pollutant accumulated filter papers.

So until the balance is repaired, the exposed filter papers placed in a filter carrier and are desiccated.

Is the method we adopted is fine or do we need to follow any other?

Kindly advice me.

Thanks in advance.

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