QA Sample definition

QA Sample means a percentage of samples that are homogenized (except samples for volatiles testing, which are co-located), split given a unique sample identification, and sent to a primary contract laboratory and to a contract QA chemistry laboratory for analysis. QA sample collection does not have to be performed at the same frequency or rate for all test methods.
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Examples of QA Sample in a sentence

  • Include a summary table of data quality assurance objectives that, at a minimum, lists: *Analysis Group (e.g., volatile organic compounds) *Matrix *Practical Quantitation Limits (PQL) *Spike Recovery Control Limits (%R) *Duplicate Control Limits +/-(RPD) *QA Sample Frequency *Data Validation A reference may note the specific pages from EPA's SW 846 Guidance Document that list the test method objectives for precision and accuracy.

  • Include a summary table of data quality assurance objectives that, at a minimum, lists: ➢ Analysis Group (e.g., volatile organic compounds) ➢ Matrix ➢ Practical Quantitation Limits (PQL) ➢ Spike Recovery Control Limits (%R) ➢ Duplicate Control Limits +/-(RPD) ➢ QA Sample Frequency ➢ Data Validation A reference may note the specific pages from EPA's SW 846 Guidance Document that list the test method objectives for precision and accuracy.