Once you’ve determined that NAPL is present in sediment in an aquatic environment and an advective NAPL movement evaluation is warranted, how do you evaluate if it is mobile or migrating? This article will introduce typical metrics considered to determine if NAPL is mobile or immobile at the pore scale, and if mobile, whether it is stable or migrating at the NAPL body scale.

Where non-aqueous phase liquid (NAPL) is present in sediments in an aquatic environment (e.g. rivers, lakes), a NAPL movement evaluation may be warranted to assess if the NAPL is mobile or migrating…read more.

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