| SamplePurposeCode | SamplePurposeName | SamplePurposeDescr | LastUpdateDate | | Algae | Algae Analysis | Algae Event either abundance or diversity, freshwater or marine | 2013-12-04 |
| Benthics | Benthics Analysis | Benthic Event either abundance or diversity, freshwater or marine | 2007-09-01 |
| ContinuousMonitoring | Continuous Monitoring Probe event | Continuous Monitring event, (time series) | 2008-07-13 |
| FieldMeasure | Field Measure | Measurement taken in the field | 2007-10-18 |
| Habitat | Non-Quantified Field Observations | Used to capture non-quantified Field Observations | 2007-09-01 |
| SedChem | Sediment Chemistry Analysis | Sediment Event with Chem but no Tox Analysis | 2007-09-01 |
| SedTox | Sediment Toxicity Analysis | Sediment Event with Tox Analysis but no Chem | 2007-09-01 |
| TimeSeries | Time Series Event | Time Series Event | 2014-06-04 |
| Tissue | Tissue Chemistry Analysis | Tissue Event with Chemistry Analysis | 2007-09-01 |
| TissueAbun | Tissue Abundance | Tissue Abundance Event | 2013-12-04 |
| VegChem | Vegetation Chemistry Analysis | Vegetation event with chemistry analysis | 2008-01-01 |
| WaterChem | Water Chemistry Analysis | Water Event with Chemistry but no Tox Analysis | 2007-09-01 |
| WaterTox | Water Toxicity Analysis | Water Event with Toxicity Analysis but no Chem | 2007-09-01 |
