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Internal audit on Sampling & Analysis

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Guest user Created:   Apr 01, 2022 Last commented:   Apr 06, 2022

Internal audit on Sampling & Analysis

I'm currently doing an internal audit on Sampling & Analysis and I noticed we don't have a true "procedure" for 17025:2017 requirement 7.4. We made a procedure for 7.3 and I am now realizing that 7.3 only needs to be a "plan". I was wondering if we should keep these two requirements separate or possibly roll them together into one procedure that covers both 7.3 and 7.4.  What do you think?
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ISO 17025 DOCUMENTATION TOOLKIT

Step-by-step implementation for smaller companies.

ISO 17025 DOCUMENTATION TOOLKIT

Step-by-step implementation for smaller companies.

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Tracey Evans Apr 06, 2022

You asked

We made a procedure for 7.3 and I am now realizing that 7.3 only needs to be a "plan". I was wondering if we should keep these two requirements separate or possibly roll them together into one procedure that covers both 7.3 and 7.4.  What do you think?"

It all depends on the activities and scope of work for the laboratory. Clause 7.3 isn't applicable to laboratories that are not involved in sampling. If the laboratory is responsible for sampling, clause 7.3 requires more than just a plan. It requires a sampling plan and method, and a number of forms and records. It is recommended to document a sampling procedure and to keep the procedures separate. 

Clause 7.4 is applicable for any processing and  “sub sampling” of the sample, for example grinding and splitting into a test portion.

For more information see the links and my response to a question on the topic Sampling at https://community.advisera.com/topic/sampling-clause-7-3/  and  https://community.advisera.com/topic/cab/ 

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