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Pooled = all melt-test-positive particles from a site's tows ÷ all the water those tows filtered. Concentrations count net samples only; controls are shown on each site's page, never subtracted.
One report card per sampling site, grouped by water body and listed north to south. Bands are the lower, middle and higher third of the sites' pooled concentrations within this programme.
No sites to show yet.
Pooled = all melt-test-positive particles from a site's tows ÷ all the water those tows filtered. Concentrations count net samples only; controls are shown on each site's page, never subtracted.