Water and energy are closely intertwined: Conserving one inevitably conserves the other. Similar disciplines drive water and energy savings and help communities, businesses and households operate more sustainably.
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The U.S. Environmental Protection Agency is placing stricter limits on the formation of disinfection byproducts (DBPs) in water treatment facilities. The new limits pose a serious challenge to plant operators because the most critical (highest) areas of the water system must be sampled and each site must stand independent of system-wide averaging.
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For about 50 years, polychlorinated biphenyls (PCBs) were commonly used in industrial
materials including, caulking, cutting oils, inks, paints and as dielectric fluids in electrical
equipment such as transformers and capacitors. Concerns over health effects led to a North
American ban of manufacturing PCBs in 1977. By the mid-1980s, an initiative was started to
clean up contaminated areas and to phase out PCB-containing equipment and products that
were still in use. This cleanup effort continues today.
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