| Answer | Crossword Clue |
|---|---|
| PCB | Highly toxic chemical (abbr.) |
| PCBS | Highly toxic pollutants |
| PCBS | Highly toxic substances for short |
| PCBS | Highly toxic environmental pollutants, for short |
| PCB | Toxic chemical |
| PCB | Toxic chemical, for short |
| PCBS | Toxic chemical compounds in industrial waste, briefly |
