Evaluate the measurement ratio
Interpret and communicate measurement results

References relating to the accreditation of the body. Scope of this accreditation. Accreditation details for the laboratory that carried out the analyses. Check that a clear distinction is made between the elements of the service that are accredited and those that are not.

Date of the procedure and date of sample analysis. Some samples require specific storage conditions (protection from light, temperature, etc.); the time between sampling and analysis is also a determining factor for certain substances that degrade when stored for long periods after sampling.