Bureau Veritas Customer Support Portal

Trip Spikes A sample prepared by the laboratory that is fortified with a known concentration of target analytes.  This sample is shipped along with cont...

Field Blanks Supplied by the laboratory and prepared in the field by filling container with analyte free water. Frequency and Purpose 1 per set of env...

A purchased CRM / LCS or a sample previously analysed by an accredited laboratory multiple time, is submitted to the laboratory blind (without laboratory kn...

Sample/Field Blanks and Laboratory Blanks are treated and processed in the same manner as the samples they are submitted with.  Within the laboratory, they ...

Field duplicates can either be submitted blind or known to the lab.  With a field duplicate a second sample is collected at the same time and location in se...

A qualifier ion (a less abundant ion of a target compound that is typically always present in a known ratio to the target), is most often used when utilizin...

Laboratory duplicates (lab dup) are necessary and typical quality control sample used for all analyses.  A lab dup in a batch of 20 samples or less is r...

In some situations data will be reported with a qualifier. The following is a listing of EPA Data Qualifiers used for HRMS results. These are used to fl...

The note "Detection limit raised based on sample volume used for analysis." doesn't mean that we didn't have enough volume, rather it mea...

It is permissible in multi-parameter analysis (such as ICP metals, VOCs, PAHs, etc.) to have up to 10% of the parameters within the submission's associat...