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Table 2 Concentration of suspended particulate matters (mg/m3)

From: Respiratory symptoms and illnesses related to the concentration of airborne particulate matter among brick kiln workers in Kathmandu valley, Nepal

Respirable suspended particulate (RSP) mg/m3
Parameters Green brick molding
(n = 6)
Green brick carrying
(n = 0)
Green brick stacking
(n = 17)
Red brick loading
(n = 16)
Coal preparation
(n = 14)
Fireman
(n = 19)
Mean 0.722 - 1.877 5.888 2.454 1.133
Median 0.590 - 2.000 4.150 0.990 0.610
SD 0.554 - 0.961 5.040 2.753 1.402
Minimum 0.270 - 0.380 0.470 0.050 0.120
Maximum 1.800 - 3.800 16.000 7.900 5.800
Total suspended particulate (TSP) mg/m3
Parameters Green brick molding
(n = 9)
Green brick carrying
(n = 5)
Green brick stacking
(n = 17)
Red brick loading
(n = 21)
Coal preparation
(n = 17)
Fireman
(n = 20)
Mean 4.581 1.671 16.271 20.657 7.094 3.435
Median 1.663 1.750 12.250 23.373 2.888 1.181
SD 7.405 1.578 14.952 12.492 8.38750 8.814
Minimum 0.100 0.100 0.110 1.840 0.510 0.270
Maximum 23.370 3.680 42.000 49.880 23.370 40.250
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