| 01 Acid |
16 Lubricants - Oil, Grease,Wax |
| 02 Alkali |
17 Materials not categorized |
| 03 Appliances |
18 Medical |
| 04 Chemicals - General |
19 Metals and Metal Sludges |
| 05 Chemicals, Inorganic |
20 Minerals |
| 06 Chemicals, Organic |
21 Miscellaneous |
| 07 Computers, Computer Supplies |
22 Office Supplies and Equipment |
| 08 Construction Materials (C&D) |
23 Packaging/Shipping Containers |
| 09 Craft Materials |
24 Paints and Coatings |
| 10 Electronics, Electronic Supplies |
25 Paper & Corrugated (Fiber) |
| 11 Equipment and Supplies |
26 Plastic and Rubber |
| 12 Fiberglass |
27 Solvents |
| 13 Food & Agricultural Products |
28 Textile and Leather |
| 14 Glass |
29 Wood & Paper (Reusable) |
| 15 Laboratory Chemicals |
30 Wood Pallets and Crates |