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3.2.2 Verification facilities
The following measuring instruments and equipment should be used for
verification:
- УПГД-3В testing equipment with standard
- standard sources of 4CО type on a hard pad, containing
radionuclides;
standard sources of 4П9 type on a hard pad, containing
- gamma radiation source
sources);
- standard stop-watch.
All verification facilities should obtain valid Verification Certificates or State
Metrological Certification.
Note. Use of other standard measuring equipment with the accuracy prescribed
in 3.2.2 is allowed.
137
Cs of ОСГИ type (sample spectrometric gamma
137
115
Cs gamma radiation sources;
Рu radionuclide;
239
90
90
Sr +
Y
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