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The Spanish external quality assessment scheme for mercury in urine

Quintana, M.J.; Mazarrasa, O.

Annali Dell'istituto Superiore di Sanita 32(2): 281-284

1996

ISSN/ISBN: 0021-2571
PMID: 8913048
Document Number: 457071
In 1986 the Instituto Nacional de Seguridad e Higiene en el Trabajo (INSHT), established the "Programa interlaboratorios de control de calidad de mercurio en orina (PICC-HgU)". The operation of this scheme is explained, criteria for evaluation of laboratory performance are defined and some results obtained are reviewed. Since the scheme started, an improvement in the overall performance of laboratories has been observed. The differences in the analytical methods used by laboratories do not seem to have a clear influence on the results.

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