| Ammonia | Ammonia |
| AnhyAmmonia | Anhydrous Ammonia |
| Chemical | Chemical |
| Dairy | Dairy (milk) |
| DS | Designated Substance (as designated by the appropriate regulatory body) |
| Diesel | Diesel |
| Gas | Gasoline |
| Herbicide | Herbicide |
| Insecticide | Insecticide |
| Oil | Oil |
| OT | Other |
| Pesticide | Pesticide |
| Propane | Propane |
| Septic | Septic |
| Water | Water |