Departments | N | AM, mg/m3 | GM, mg/m3 | GSD, mg/m3 | Min, mg/m3 | Max, mg/m3 | % (n) > PEL |
Respirable dust (p = 0.377), PEL = 3 mg/m3 | |||||||
OP | 88 | 0.82 | 0.29 | 0.58 | 0.03 | 8.03 | 5.7 (5) |
ATW | 76 | 0.72 | 0.24 | 0.54 | 0.02 | 15.50 | 2.6 (2) |
CO | 309 | 0.90 | 0.37 | 0.54 | 0.02 | 18.43 | 6.1 (19) |
MMW | 30 | 1.90 | 0.81 | 0.61 | 0.06 | 12.3 | 16.7 (5) |
MID | 12 | 0.82 | 0.53 | 0.45 | 0.10 | 2.23 | 0 |
ED | 6 | 0.41 | 0.32 | 0.31 | 0.15 | 1.04 | 0 |
QMD | 9 | 1.01 | 0.39 | 0.62 | 0.06 | 4.61 | 11.1 (1) |
CTAD | 14 | 0.85 | 0.42 | 0.58 | 0.05 | 2.95 | 0 |
RI | 6 | 1.70 | 1.46 | 0.29 | 0.41 | 2.63 | 0 |
BAC | 6 | 0.67 | 0.34 | 0.69 | 0.03 | 1.40 | 0 |
TTP | 18 | 1.16 | 0.39 | 0.62 | 0.06 | 8.76 | 11.1 (2) |
SGW | 7 | 0.33 | 0.13 | 0.61 | 0.03 | 1.56 | 0 |
Total | 581 | 0.91 | 0.35 | 0.74 | 0.02 | 18.43 | 5.9 (34) |
Respirable crystalline silica (p = 0.0001), PEL = 0.1 mg/m3 | |||||||
OP | 44 | 0.042 | 0.068 | 0.0103 | 0.001 | 0.366 | 13.6 (6) |
ATW | 51 | 0.006 | 0.009 | 0.003 | 0.001 | 0.051 | - |
CO | 101 | 0.085 | 0.121 | 0.024 | 0.001 | 0.588 | 30.7 (31) |
MMW | 19 | 0.032 | 0.032 | 0.021 | 0.003 | 0.048 | - |
MID | 5 | 0.026 | 0.027 | 0.014 | 0.004 | 0.064 | - |
ED | 3 | 0.011 | 0.008 | 0.01 | 0.006 | 0.021 | - |
QMD | 8 | 0.023 | 0.018 | 0.018 | 0.006 | 0.052 | - |
CTAD | 6 | 0.010 | 0.016 | 0.005 | 0.001 | 0.042 | - |
RI | 7 | 0.045 | 0.028 | 0.037 | 0.013 | 0.101 | 14.3 (1) |
BAC | 4 | 0.035 | 0.032 | 0.022 | 0.004 | 0.080 | - |
TTP | 12 | 0.073 | 0.126 | 0.024 | 0.001 | 0.437 | 8.3 (1) |
SGW | 4 | 0.016 | 0.016 | 0.009 | 0.003 | 0.038 | - |
Total | 264 | 0.049 | 0.090 | 0.012 | 0.001 | 0.588 | 14.8 (39) |