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LMR - Laboratory for Radioactivity Measurements
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Annex to the Accreditation Certificate LP-022

Type of scope:  flexible (possibility of implementig minor modifications of the method)*
Site: in the laboratory
Testing fields with reference to the type of test: radiochemistry, radiation (alfa, beta, gamma spectrometry, radiation protection measurements)
Testing fields with reference to the type of test item: -

No.
Reference to standard or non-standard testing method Title of standard or non-standard testing method and eventual relations to other standards or methods Range of testing; Uncertainty of the result of testing (where relevant)

Materials; Products

1.
LMR-DN-10 ** / ver. 13 (Oct. 2016)
in-house method
Measurements of activities of gamma-ray and x-ray emitters in cylindrical homogenous samples with high-resolution gamma-ray spectrometry Range of emissions from the sample:
(0,5•10-2–0,5•105) s-1

Energy range:
(5–3000) keV
Solid and liquid materials
2.
ELME-DN-23 *** / ver. 04 (Jun. 2015)
internal method

Measurements of activities of gamma-ray and x-ray emitters for characterisations of reference materials Range
0,02-100k Bq/kg (Bq/L)
depends on radionuclide and material

All radionuclides emitting in energy range:
(5 - 3000) keV

Measurement uncertainty (expressed as relative value k=2): ≥6 %


solid and fluid materials

* Laboratory can implement minor modifications of the method as necessary (e.g. adaptation to the new version). Detailes on the actual state of the scope is maintained by the laboratory.

** Results of the measurements of activities of gamma-ray and x-ray emitters with gamma-ray spectrometry are reported in the following units: Bq/sample, Bq/m3 for liquid samples and aerosol filters, Bq/kg for solid and liquid samples and Bq/m2 for precipitation and soil samples (deposit). Range of testing and detection limits depend on radionuclides and type of material (sample matrix). These data are available upon request in the laboratory.

In October 2016 the regular update of the procedure was performed, the procedure was harmonized with the work performance in the laboratory. Beside this some additional descriptions of analyses in special cases were described.

*** Results of the measurements of activities of gamma-ray and x-ray emitters with gamma-ray spectrometry for characterisation of reference materials are reported in following units: Bq/sample, Bq/m3 for liquid samples and aerosol filters, Bq/kg for solid and liquid samples and Bq/m2 for precipitation and soil samples (deposit). Range of testing and detection limits depend on radionuclides and type of material (sample matrix). These data are available upon request in the laboratory. The data for selected radionuclides and materials are available on web page of the laboratory lmr_dn23_podrobni_obseg.pdf.

Accreditations
NDS - Laboratory for Dosimetry Standards
LMR - Laboratory for Radioactivity Measurements
TLD - Laboratory for Thermoluminiscent Dosimetry
ELME - Ecological laboratory with mobile unit
LSC - Laboratory for liquid scintillation spectrometry

Updated: 14-11-2016