Multidisciplinary Approach to Sediments and
Surface Water

Contaminated sediments in rivers, lakes, and harbors pose significant challenges for clean-up.  Our skilled and experienced teams of professional engineers, hydrologists, aquatic biologists, ecologists and risk assessors use a multi-disciplinary and site-specific approach to create solutions that are cost effective.  The Johnson Company teams rely on innovative field techniques and risk-based approaches to assess the sediment problem.  Whether a site is a large Superfund site or is one of hundreds of smaller sediment sites containing heavy metals, polychlorinated biphenyls (PCBs), or polycyclic aromatic hydrocarbon  (PAH) contaminants, we successfully develop effective remedies that meet the objectives consistent with the National Research Council in their risk management strategy for contaminated sediments.

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