| RECYCLINGCENTER | Facility processing reusable material ... and a hint to this puzzle's indicated letters |
| RUNUP | Incur, as charges ... or a hint to this puzzle's indicated letters |
| PAPERPRODUCTS | Print material, and a hint to the starts of 19-, 34- and 39-Across |
| BOOKDROPS | Places to return library materials, and a hint to how the authors in four Down clues help complete the answers to the starred clues |
| SLICKS | Some spills that may spread...like this puzzle's indicated letters |
| WATERFALLS | Misty attractions represented by this puzzle's indicated letters |
| FORMICA | What is a name for a laminated composite material, and a genus of ants? (7) |
| BORICACID | A white soluble crystalline solid used as fireproofing material and a mild antiseptic (5,4) |
| MILKSOP | Fine material and a cleaner, suggested Spooner to the effeminate man (7) |
| LINEN | It's material and a figure nine is scrawled on it (5) |
| DATACORRUPTION | Reason for a broken digital file, and a hint to the starred answers' indicated letters |
| EARTHSHATTERING | Like a life-altering event ... and a hint to the indicated letters |
| WISECRACK | Make a witty comment, or a phonetic hint to what the indicated letters do (Bonus: Note what these letters spell) |
| OUTSIDEHELP | Assistance from a tutor, say...or a hint to the starred answers' indicated letters |
| ITSHOTOUTSIDE | Scorcher complaint, and a hint to the starred entries'indicated letters |
| BACKBURNER | Low-priority place, and a hint to the starred answers' indicated letters |
| INSIDELANE | Advantageous position in some races, and a hint to the starred answers' indicated letters |
| SPLITLEVEL | Like some houses, and a hint to the starred stacked answers' indicated letters |
| BREAKTIME | Workplace respite, and a hint to the starred answers' indicated letters |
| BREAKSUPTHEBAND | Upsets many music fans, and a hint to the starred answers' indicated letters |
