Article: Removing PCBs from water could be costly fix

ASTATE WATER BOARD is taking on PCBs entering San Francisco and Suisun bays, but it's an enormous endeavor that's going to be very costly.

The problem is that although the manufacture of PCBs, or polychlorinated biphenyl, was banned in 1979, the chemical keeps popping up in our major waterways. Part of it is in the soil and water and continues to wash into the bays as tainted stormwater.

With the ongoing reality of tainted fish and more polluted water in the bays, the San Francisco Regional Water Quality Control Board took an unprecedented move and ordered a mass limit to PCBs. Under the new limits, PCBs entering the Bay must be reduced from 34 kilograms per year to no more than 10 ...

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