US DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY US DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY
Microbial pollution treatment. Technician pipetting a solution during research into the microbial treatment of PCBs. PCBs (polychlorinated biphenyls) are toxic organic chemicals. However, certain microbes (microscopic organisms) can feed on them, breaking them down into less harmful substances in the process. They can therefore be used to treat waste streams containing PCBs. The technician is wearing safety glasses and rubber gloves for protection.
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