From: Physico-chemical characterization of African urban aerosols (Bamako in Mali and Dakar in Senegal) and their toxic effects in human bronchial epithelial cells: description of a worrying situation
BK1
BK2
DK
UF
0.17
0.18
0.49
F
0.09
0.35
0.54
C
0.11
0.34
0.36
Bulk
0.10
0.31
0.45