| PSC | Description
|
| 4210 | Fire Fighting Equipment |
| 4220 | Marine Lifesaving and Diving Equipment |
| 4230 | Decontaminating and Impregnating Equipment |
| 4235 | Hazardous Material Spill Containment and Clean-up Equipment and Material |
| 4240 | Safety and Rescue Equipment |
| 4250 | Recycling and Reclamation Equipment |