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Banned Discharges. Clean Water Act forbids the discharge of: Radioactive material, chemical and biological warfare agents PCBs: production banned since 1960s but leakage occurs from old dump sites San Francisco Bay water still has PCBs.
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Banned Discharges • Clean Water Act forbids the discharge of: • Radioactive material, chemical and biological warfare agents • PCBs: production banned since 1960s but leakage occurs from old dump sites • San Francisco Bay water still has PCBs