Toxicity of Landfill Leachate to Stream-Dwelling Benthic Macroinvertebrates.

Toxics · 2026 · PMC12944731 · PMID 41745783

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Biotic index values for each sample were assessed based on the following criteria: 0–3.5 = no apparent organic pollution; 3.51–4.5 = possible slight organic pollution; 4.51–5.5 = some organic pollution; 5.51–6.5 = fairly significant organic pollution; 6.51–7.5 = significant organic pollution; 7.51–8.5 = very significant organic pollution; and 8.51–10.0 = severe organic pollution) [ 27 ].

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