Table 7.
Time-weighted average 23-pentanedione (OSHA Method 1012) personal air sampling results by job title.
| Locationa | Job Title | N | N <LOD | Mean (ppb) | Geometric Mean (ppb) | Geometric Standard Deviation | Minimum (ppb) | Maximum (ppb) |
|---|---|---|---|---|---|---|---|---|
| Warehouse | Warehouse Clerk | 2 | 0 | 5.4 | 5.3 | 1.3 | 4.0 | 7.0 |
| Shipping/Receiving | 3 | 0 | 4.6 | 4.3 | 1.6 | 2.9 | 7.9 | |
| Greens Unloader | 4 | 0 | 7.3 | 6.8 | 1.6 | 3.6 | 10.8 | |
| Roasting Room | Roaster | 6 | 0 | 25.2 | 22.9 | 1.6 | 10.7 | 42.7 |
| Dumper | 3 | 0 | 11.6 | 11.4 | 1.2 | 8.8 | 14.9 | |
| Grinding/Packagingb | Tea Machine Operator | 1 | 0 | — | — | — | 70.3 | 70.3 |
| Packer | 7 | 0 | 71.7 | 67.4 | 1.5 | 34.5 | 108.7 | |
| Packaging Operator/Grinder | 3 | 0 | 80.9 | 77.9 | 1.4 | 48.4 | 102.7 | |
| Hand Packer | 3 | 0 | 98.4 | 98.4 | 1.1 | 93.5 | 105.2 | |
| Grinder | 2 | 0 | 126.8 | 121.7 | 1.5 | 80.8 | 183.3 | |
| Flavoring Room | Packer | 2 | 0 | 155.6 | 155.3 | 1.1 | 140.7 | 171.3 |
| Packaging Operator/Grinder | 2 | 0 | 149.6 | 147.3 | 1.3 | 115.1 | 188.6 | |
| Mixer | 3 | 0 | 141.4 | 134.6 | 1.5 | 100.7 | 232.4 | |
| Hand Packer | 2 | 0 | 117.9 | 117.3 | 1.1 | 102.8 | 133.9 | |
| Flavor Specialist | 3 | 0 | 144.3 | 143.3 | 1.2 | 121.7 | 171.6 | |
| Quality Control Room | Quality Control Technician | 3 | 0 | 23.3 | 20.3 | 1.9 | 8.2 | 34.4 |
| Offices-Production Area | Production Supervisor | 1 | 0 | — | — | — | 72.9 | 72.9 |
| Plant Manager | 1 | 0 | — | — | — | 73.7 | 73.7 | |
| Maintenance Manager | 1 | 0 | — | — | — | 21.0 | 21.0 | |
| Offices-Nonproduction | QA/Safety Manager | 1 | 0 | — | — | — | 14.7 | 14.7 |
| Housekeeping | Housekeeper | 1 | 0 | — | — | — | 47.2 | 47.2 |
| All Over | Material Handler | 2 | 0 | 72.6 | 72.5 | 1.1 | 67.2 | 78.3 |
| Maintenance Technician | 3 | 0 | 61.8 | 60.6 | 1.3 | 49.5 | 85.2 |
N = number of samples; LOD = limit of detection; Mean = minimum variance unbiased estimator of the arithmetic mean; ppb = parts per billion. “—” = not detected or less than two measurements above the detection limit. OSHA = Occupational Safety and Health Administration.
Offices-Nonproduction also includes reception area; warehouse includes the greens warehouse and finished goods warehouse; offices-production category also includes corridor, break room, and maintenance room air samples; grinding/packaging room category also includes the tea machine and hold room air samples; all over includes material handlers and maintenance technicians.
Only unflavored coffee production occurs here.