We had a service that calibrate our scales once a year. We had two old and extremely reliable Mettler scales (mechanical) and they were certified annually. The certification is a requirement if you prepare solutions in the lab and want to be sure of their quality.
  René J.

Kathy Gorham  wrote:
  Good Friday Morning everyone: I have a regulation question: Do we have to calibrate our scales in Histology? And how often? I often check it but never heard we needed a procedure for it until now.

Kathy Gorham, H.T.
Grande Ronde Hospital
LaGrande, Or
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