| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sat, Feb 16, 2008 | 9D | C2H4 | Tony Orbach | Shortz |
| Sun, Sep 30, 2007 | 98A | Colorless, flammable gas | Kelsey Blakley | Shortz |
| Fri, Aug 18, 1995 | 62A | ___ glycol (antifreeze) | Manny Nosowsky | Shortz |
| Wed, Jan 11, 1995 | 5D | Citrus colorant | Stanley B. Whitten | Shortz |