| Answer | Crossword Clue |
|---|---|
| PCBS | Highly toxic pollutants |
| PCBS | Highly toxic environmental pollutants, for short |
| PCBS | Toxic pollutants |
| PCBS | Toxic chem. pollutants |
| PCBS | Toxic pollutants banned since the 1970s |
| PCB | Highly toxic chemical (abbr.) |
| PCBS | Highly toxic substances for short |
