| Answer | Crossword Clue |
|---|---|
| STDS | Levels of requirement: Abbr. |
| PHS | Acidity levels: Abbr. |
| DKS | Ship levels: Abbr. |
| DKS | Cruise-ship levels: Abbr. |
| AQI | Stat affected by smog levels: Abbr. |
| SPEC | Requirement: Abbr. |
| SASE | Reply requirement: abbr. |
| SASE | Return mail requirement (abbr.) |
| SAE | Return mail requirement (abbr.) |
| SIG | Check-cashing requirement: Abbr. |
| RCPT | Gift exchange requirement: Abbr. |
| SAE | Return mail requirement (Abbr.) |
| DISS | Ph.D. requirement: Abbr. |
| DDS | Requirement for some drilling: Abbr. |
