Table 1
Summary of task-based air samples, phase contrast microscopy f/ml.
Location Number Average sample
time, min
Median
detection limit
Geometric mean
concentration
Mean
concentration
Standard
deviation
Percentile distribution
10 25 50 75 90
Disassembly
Worker 28 194 0.0071 (10)a 0.0073 0.0099 0.0069 0.0016 0.0048 0.0092 0.0129 0.0184
Bystander 13 226 0.0062 (2) 0.0118 0.0131 0.0056 0.0058 0.0088 0.0125 0.0176 0.0209
Indoor 52 238 0.0012 (4) 0.0029 0.0031 0.0013 0.0017 0.0023 0.0030 0.0038 0.0048
Outdoor 26 232 0.0012 (14) 0.0010 0.0013 0.0007 0.0003 0.0008 0.0012 0.0018 0.0025
Assembly
Worker 53 236 0.0053 (20) 0.0067 0.0081 0.0058 0.0035 0.0048 0.0070 0.0090 0.0144
Bystander 17 282 0.0048 (4) 0.0079 0.0136 0.0139 0.0017 0.0048 0.0078 0.0189 0.0323
Indoor 74 288 0.0009 (4) 0.0021 0.0027 0.0027 0.0011 0.0015 0.0020 0.0027 0.0046
Outdoor 33 290 0.0009 (9) 0.0011 0.0013 0.0006 0.0006 0.0008 0.0013 0.0017 0.0021