- PCB
- 1976 Toxic Substances Control Act substance
- Chemical banned by the EPA in 1977
- Environmental pollutant, for short
- Toxic compound banned since the 1970s
- Toxic pollutant, for short
- Toxic chemical
- Banned compound since 1977
- Dangerous insulation mtl.
- Banned toxin once used in electrical transformers
- Now-banned flame retardant component, briefly
- Toxic banned pollutant once manufactured by Monsanto
- Chemical with which GE polluted many Northeast US waters
- Chem. pollutant
- Toxic compound, briefly
- Chemical banned by the EPA
- Highly toxic chemical (abbr.)
- Chemical contaminant, for short
- Banned chemical pollutant, for short
- Hudson River pollutant, initially
- Banned chem. contaminant
- Banned toxic pollutant, for short
- EPA concern
- Chem. contaminant
- Hudson River polluter, initially
- Pollutant banned in the U.S. in 1979
- Pollutant found in NCR paper
- Pollutant banned by Cong. in 1979
- Banned chem. pollutant
- Chemical formerly used in carbonless copy paper manufacture
- Chem. pollutant banned in 1979
- Controversial chemical
- Controversial chemical: Abbr.
- Toxic compound: Abbr.
- Pollutant banned by the EPA
- Toxic environmental pollutant, for short
- Chemical pollutant, for short
- A water pollutant
- Chemical pollutant
- Banned chemical compound
- Toxic compound, for short
- Wildlife threat, briefly
- Outlawed pollutant, for short
- Toxic chemical, for short
- Banned organic compound, for short
- E.P.A.-proscribed compound, for short
- Banned pollutant, in brief
- Banned pollutant, for short
- Banned chemical contaminant, for short
- Water pollutant
- Banned chemical
- Pollutant found in transformers
- EPA___banned chemical
- Experimental toxin phased out in the 70's
- Toxic pollutant banned since the 1970s
- Outlawed toxic compound
- Toxic pollutant banned by the EPA
- Banned toxic compound, for short
- Pollutant banned since 1979