Passive sampler retrieval
Detailed Description
Retrieving a Solid Phase Adsorption Toxin Tracking (SPATT) sampler from the Columbia River. Passive samplers like this one are left in the river to accumulate toxins over time for later analysis.
Sources/Usage
Public Domain.
Related
Tracking Toxics in the Lower Columbia River
USGS scientists partnered with the Lower Columbia Estuary Partnership (LCEP) to assess toxic contaminant levels at 10 sites within the Lower Columbia River. Our strategy is to compare current toxic contaminant levels to the results collected previously at these sites to identify temporal changes.
Related
Tracking Toxics in the Lower Columbia River
USGS scientists partnered with the Lower Columbia Estuary Partnership (LCEP) to assess toxic contaminant levels at 10 sites within the Lower Columbia River. Our strategy is to compare current toxic contaminant levels to the results collected previously at these sites to identify temporal changes.