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Chemical tests to be conducted on unknown or unlabelled solids and liquids

Typically, the identity of unknown/unlabelled chemicals should be confirmed by laboratory analysis. However, presumptive group tests, which can be carried out at the scene (on-site) are helpful in determining appropriate health and safety precautions, proper storage, and potential disposal methods if the waste must be disposed of at the site and cannot be moved. Testing is particularly important if chemicals are opened, labels are missing and/or the original manufacturer’s seals are damaged, or in case of mixtures or clandestine laboratory waste. The following is an outline for field-testing to determine the nature and chemical and physical properties of unknown chemicals. It is not an outline for presumptive testing of substance identity.

Related Subject(s): Drugs Crime and Terrorism
Sustainable Development Goals:
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