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Unit conversion problems in QA report
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Hi all,
My QA report is showing a list of OriginalChemNames with Unit Conversion Problems. This is fine, however, many of the OriginalChemNames are reported from the lab in the same unit we output data (ug/L). I am having trouble understanding why they are reported as having Unit Conversion Problems?
Thanks,
Alastair.
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 Rank: Administration
Groups: Registered, Administrators Posts: 327  Was thanked: 29 time(s) in 29 post(s)
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Hi Alastair, Are you able to include a screen capture of the unit conversion sheet showing the issues? This will help us get a better picture of what you mean. Thanks, Nick
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Rank: Newbie
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Posts: 9
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Rank: Administration
Groups: Registered, Administrators Posts: 327 Was thanked: 29 time(s) in 29 post(s)
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Hi Alastair, Thanks for posting that. Given that the error is related to trying to convert between % and mg/L, it is most likely due to lab QC samples. For example matrix spike samples will report the resultant recovery as a %, even though the primary results are mg/L. Assuming that your actual chemistry tables are being presented correctly, I don't think it's anything to concern yourself with. If you want to find the particular results that are causing the issue, you can use the ChemQA2_Chemistry_Results_with_Raw_Results view and filter to those ChemNames to see which ones have a unit of %. Cheers, Nick
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Rank: Newbie
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Thanks kindly for your help Nick.
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Unit conversion problems in QA report
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