ČSN EN ISO 13164-1 (757618)

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This part of ISO 13164 gives general guidelines for sampling, packaging, and transporting of all kinds of water samples, for the measurement of the activity concentration of radon-222.
The test methods fall into two categories:
a) direct measurement of the water sample without any transfer of phase (see ISO 13164-2);
b) indirect measurement involving the transfer of the radon-222 from the aqueous phase to another phase (see ISO 13164-3).
The test methods can be applied either in the laboratory or on site.
The laboratory is responsible for ensuring the suitability of the test method for the water samples tested.