Table 1.
Sampled Exposure Groups and Job Descriptions
| Sampled exposure groups | Number sampled | Job description |
|---|---|---|
| Truck operators | 16 | Haul waste and ore from underground |
| Shotcrete operators | 4 | Spray tunnels with cementing substances to help hold metal mesh and rocks mass together and prevent collapse |
| Diamond operators | 8 | General drilling |
| Solo operators | 7 | Drilling of production and service holes |
| Jumbo operators | 14 | Use mesh to support caved rock mass and drilling during development phase |
| Bogger operators | 10 | Clean development and production headings off ore and/or waste by loading them into trucks |
| Cubex operators | 7 | Drill service holes and production slots |
| Blastmen | 8 | Charge explosives in development phase, re-entry, carry explosives |
| Service men | 14 | Hang ventilation fans, extend water and air lines, and other utility maintenance activities underground |
| Supervisors | 6 | General monitoring and overseeing underground work activities |