| Answer | Crossword Clue |
|---|---|
| DDT | Onetime pesticide: Abbr. |
| DDT | Banned pesticide: Abbr. |
| DDT | Controversial pesticide (Abbr.) |
| DDT | Controversial pesticide: abbr. |
| UAR | Onetime Mideast abbr. |
| UAR | Onetime Arab union: abbr. |
| SST | Onetime Heathrow sight: Abbr. |
| UAR | Onetime Mideast union: Abbr. |
| UAR | Onetime neighbor of Israel: Abbr. |
| UAR | Onetime realm of Nasser: Abbr. |
| SYR | Onetime U.A.R. member: Abbr. |
