Environmental sampling programs require a mix of sample types to satisfy data quality objectives. Normal samples are the primary environmental results. Duplicate and MatrixSpike samples test laboratory precision and accuracy. EquipBlank, TripBlank, and FieldBlank samples detect contamination introduced by equipment or transport. MatrixSpikeDup adds a second spike for precision assessment. Resample is used when an original sample must be recollected. Piper tracks SampleType on each SamplingEvent record so QC samples can be separated from compliance results in reports.
Technical section
Data model, API, and internals — visible to developers.