| APAS | acrylic polymer aqueous solution |
| E | EM-treated sand |
| EM | epoxy emulsion |
| EP | EM-APAS mixture sand |
| EPL | lime-containing EP (EPL) |
| GCHP | ground-coupled heat pump |
| P | APAS-treated sand |
| SDI | slake durability index |
| APAS | acrylic polymer aqueous solution |
| E | EM-treated sand |
| EM | epoxy emulsion |
| EP | EM-APAS mixture sand |
| EPL | lime-containing EP (EPL) |
| GCHP | ground-coupled heat pump |
| P | APAS-treated sand |
| SDI | slake durability index |