Related Clues:
- Bug-killing ecohazard, briefly
- "Silent Spring" subject
- Killer banned in 1973
- A banned insecticide (abbr.)
- Can killer move quickly and shoot?
- Insecticide aerosol
- Malaria-fighting compound during W.W. II
- Prohibited insecticide
- Antimalarial agent
- Banned crop spray
- Outlawed pesticide, for short
- Aerosol containing an insecticide
- 'Silent Spring' topic, for short
- Dangerous '50s crop spray
- 'Silent Spring' topic, in brief