Table 2 DataRAM measurements, inhalable dust and endotoxin exposure for 12 workers during grass seed processing.
| Workplace and job title | DataRAM (mg/m3) | Inhalable dust (mg/m3) | Endotoxin (103 EU/m3) | Peaks above 5.0 mg/m3 | Peaks above 0.5 mg/m3 | ||||
|---|---|---|---|---|---|---|---|---|---|
| Peaks/hour | Duration (min) | Time between peaks (min) | Peaks/hour | Duration (min) | Time between peaks (min) | ||||
| Delivery | |||||||||
| Operator | 1.34 | 12.1 | 78 | 60 | 0.3 | 0.7 | 7 | 8.4 | 0.3 |
| Lift truck driver | 0.86 | 4.0 | 44 | 37 | 0.2 | 1.2 | 5 | 11.8 | 0.1 |
| Lift truck driver | 0.66 | 2.1 | 29 | 31 | 0.1 | 1.7 | 11 | 5.4 | 0.3 |
| Lift truck driver | 0.45 | 3.6 | 72 | 39 | 0.2 | 1.2 | 1 | 46.9 | 6.9 |
| Cleaning | |||||||||
| Operator | 0.57 | 2.0 | 11 | 17 | 0.2 | 3 | 32 | 1.7 | 0.2 |
| Operator | 0.45 | 1.7 | 3.7 | 11 | 0.3 | 5.2 | 49 | 1.1 | 0.1 |
| Lift truck driver | 0.20 | 0.8 | 1.3 | 1 | 0.1 | . | 109 | 0.4 | 0.2 |
| Lift truck driver | 0.16 | 0.7 | 1.8 | 4 | 0.1 | 13 | 129 | 0.2 | 0.2 |
| Packaging | |||||||||
| Operator | 0.15 | 0.8 | 1.2 | 3 | 0.2 | 16.4 | 99 | 0.2 | 0.5 |
| Operator | 0.07 | 0.5 | 0.8 | 3 | 0.1 | 20.2 | 122 | 0.1 | 0.4 |
| Lift truck driver | 0.21 | 0.7 | 0.5 | 6 | 0.2 | 8.8 | 56 | 0.2 | 0.9 |
| Lift truck driver | 0.10 | 0.5 | 0.1 | 2 | 0.1 | 30.4 | 118 | 0.1 | 0.4 |
Peak profile (peaks per hour, average duration, and average time between peaks) for peaks above reference levels of 5 and 0.5 mg inhalable dust/m3.