Embedded Files
Sampling sites
Sampling sites
Each location lists the observed range of microplastic particles captured in samples from July to October 2025.
Data reflect the count of microplastics between 63 and 500 microns (μm) in 4 liters of water.
Blank vs sample comparisons
Blank vs sample comparisons
Paired microscope images show the difference between control blanks and adjacent river samples processed in the lab.
Documented as part of QA/QC for the tributary network, with blanks logged alongside each replicate.
Blank control
Blank control
Field blank confirms negligible background contamination after rinsing the filtration stack.
After running sample
After running sample
Another picture under the same UV light conditions is taken after running the sample. Fluorescent particles are microplastics.
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