Total suspended solids (TSS) are particles that are larger than 2 microns found in the water column. Most suspended solids are made up of inorganic materials, although bacteria and algae can also contribute to the total solids concentration. TSS is also a significant factor in observing the aesthetics of the water, as the more suspended solids that are present the less clear the water will become. Excessive suspended solids can because for concern for aquatic and human life as well as impede navigation and increase flooding risks. TSS can be measured through gravimetric determination.
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