Genotoxicity of Polycyclic Aromatic Hydrocarbons and Nitro-Derived in Respirable Airborne Particulate Matter Collected from Urban Areas of Rio de Janeiro (Brazil)
Table 1
Collection sites, air volume, PM 2.5 µm concentration, and extractable organic matter (EOM) of the samples analyzed.
Site
Month
Air volume (m3) ± S.D.
PM 2.5 µm individual values (µg/m3)
PM 2.5 µm (µg/m3) ± S.D.
EOM (µg/m3)
August
1513 ± 36
17.51/18.63/13.63/45.09
23.71 ± 14.41
9.66
1
September
1582 ± 53
23.43/43.83/40.24/14.48
30.49 ± 13.89
7.92
October
1623 ± 148
14.46/13.61/21.73/11.27
15.27 ± 4.51
5.54
August
1541 ± 1
40.19/44.59/44.01/51.77
45.14 ± 4.83
7.76
2
September
1554 ± 31
13.76/34.66/41.58/15.20
26.30 ± 13.94
7.24
October
1640 ± 194
22.48/36.47/11.74/25.08
23.94 ± 10.15
5.48
August
430 ± 67
42.38/168.85/35.60/131.33
94.54 ± 66.00
20.93
3
September
420 ± 40
68.85/167.33/91.55/61.01
97.18 ± 48.52
21.44
October
359 ± 6
77.15/239.77/75.68/138.33
132.73 ± 77.09
25.05
1: UERJ; 2: Avenida Brasil; 3: Rebouças tunnel; S.D.: standard deviation; airborne PM 2.5 µm samples were collected for 24 h at sites 1 and 2 and 6 h at site 3. Six-h time filter saturation at site 3.