Sample Integrity Observation #23 Sediment in Organics Containers

Modified on: Thu, 20 Dec, 2018 at 8:59 AM


Purpose:  The presence of sediment in organics containers will impact the data.  Some regulations will dictate how to treat samples containing sediment however if no regulatory requirement exists, the choice lies with the customer on how to proceed. 


Submission Tips:

  • Be cautious when submitting field duplicates as sediment levels can impact data
  • Note on the COC instructions on how you would like the lab to handle submissions with sediment
  • VOCs cannot be decanted and so samples with high sediment levels may not be able to be analyzed


Process:  Since the presence of sediment is often out of the control of the sampler, the lab will note any sediment levels on the final Certificate of Analysis. 


This will be noted for information purposes only and not included in any FLAG reporting.


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