Table 20 Representative workday sample airborne fiber concentrations in the Melt Shop department grouped by job category (1972–2006).
From: Occupational exposure to asbestos in the steel industry (1972–2006)
Fiber Concentration by PCM (fibers/cc) | |||||||
|---|---|---|---|---|---|---|---|
Job Title | Time Period | n | Mean | SD | 95th percentile | Max | PEL |
Crane/Forklift Operator | 1986–1993 | 3 | 0.003 | – | – | 0.006 | 0.2 |
Mechanical Maintenance | Overall | 5 | 0.04 | 0.03 | – | 0.08 | |
1976–1985 | 3 | 0.06 | – | – | 0.08 | 2 | |
1986–1993 | 2 | 0.01 | – | – | 0.02 | 0.2 | |
Moldman | Overall | 12 | 3.06 | 3.12 | – | 10.00 | |
1972–1975 | 11 | 3.34 | 3.11 | – | 10.00 | 5 | |
1976–1985 | 1 | 0.01 | – | – | 0.01 | 0.2 | |
Motor Inspector | 1976–1985 | 2 | 0.91 | – | – | 1.36 | 2 |
Melt Shop Operator | 1976–1985 | 2 | 0.49 | – | – | 0.96 | 2 |
Oversight | Overall | 7 | 0.02 | 0.02 | – | 0.06 | |
1976–1985 | 4 | 0.002 | – | – | 0.004 | 2 | |
1994–2006 | 3 | 0.05 | – | – | 0.06 | 0.1 | |