| Answer | Crossword Clue |
|---|---|
| PCBS | Highly toxic substances for short |
| PCBS | Highly toxic environmental pollutants, for short |
| PCB | Toxic pollutant, for short |
| PCB | Toxic compound, for short |
| PCB | Toxic chemical, for short |
| PCB | Toxic environmental pollutant, for short |
| PCB | Banned toxic pollutant, for short |
