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Help us to shape the future
Following guidance, issued by UKAS, we have strengthened our focus on the handling of deviating samples.
UKAS guidance states that samples will be labelled as deviating if:
If a sample is deviating, the validity of the results is in doubt.
Received samples will be assessed at the laboratory, for each analysis. This will include the container(s), and its filling, preservation, age of sample, and all correct information supplied.
Samples that do not conform to these requirements will be highlighted as deviating on the reported analysis, or in extreme cases cancelled.
Stability times have been established from detailed laboratory tests or recognised sources (principally ISO-5667-3).
A stability time is the maximum time for stability for that determinand, in that matrix (sample type). A listing is available on request - please email email@example.com
Gross deviations will be cancelled, eg, a bacteriological sample received in a non-sterile bottle.
The reported analysis will indicate when a test is deviating. The following are examples of what may appear on the analysis report.
In submitting samples to the Wessex Water Scientific Laboratory, you are accepting the requirements to follow these guidelines.
All deviating tests are analysed with the understanding that they will be paid for within our normal terms and conditions.
Please follow the sampling guidelines.
All samples (except soils) should be refrigerated after sampling.
This will minimise the deviations you receive, and ensure the validity of your results.
More information can be found in the downloads below.