Page 103 - Freshwater-Biology-and-Ecology-Handbook

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LABELLING

Labels should be written on the outside of sample
containers, including bags, using a waterproof marker pen.

There is always a risk that labels on the outside of containers
could get lost or damaged. To prevent this, waterproof labels
written in pencil or alcohol-resistant waterproof ink must be
placed inside every biological sample container. Note, very
few inks are alcohol resistant.

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