Table 15 Representative workday sample airborne fiber concentrations in the Finishing department grouped by job category (1972–1993).
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 |
Finishing Operator | Overall | 34 | 0.13 | 0.30 | 1.11 | 1.20 | |
1972–1975 | 2 | 0.51 | – | – | 0.87 | 5 | |
1976–1985 | 24 | 0.14 | 0.32 | 1.11 | 1.20 | 2 | |
1986–1993 | 8 | 0.01 | 0.01 | – | 0.02 | 0.2 | |
Craftsman | Overall | 4 | 0.01 | – | – | 0.01 | |
1976–1985 | 1 | 0.01 | – | – | 0.01 | 2 | |
1986–1993 | 3 | 0.01 | – | – | 0.01 | 0.2 | |
Crane Operator | Overall | 23 | 0.06 | 0.23 | 0.13 | 1.12 | |
1976–1985 | 9 | 0.13 | 0.37 | – | 1.12 | 2 | |
1986–1993 | 14 | 0.02 | 0.04 | – | 0.13 | 0.2 | |
Mechanical Maintenance | Overall | 7 | 0.45 | 0.59 | – | 1.28 | |
1976–1985 | 5 | 0.62 | 0.62 | – | 1.28 | 2 | |
1986–1993 | 2 | 0.02 | – | – | 0.04 | 0.2 | |
Motor Inspector | 1976–1985 | 1 | 0.01 | – | – | 0.01 | 2 |
Oversight | 1976–1985 | 4 | 0.03 | – | – | 0.04 | 2 |
Process Support | Overall | 22 | 0.03 | 0.04 | 0.13 | 0.13 | |
1976–1985 | 7 | 0.02 | 0.02 | – | 0.05 | 2 | |
1986–1993 | 15 | 0.04 | 0.05 | – | 0.13 | 0.2 | |
