Table 1 Total and ALF leachate (1, 24 and 48 hours incubation period in ALF simulated lung fluid) atmospheric concentrations (ng m−3) obtained for Cu, Mn, Cr and Pb in PM2.5 samples collected in Manaus and Curitiba.

From: The influence that different urban development models has on PM2.5 elemental and bioaccessible profiles

Atmospheric concentration (ng m−3)

   

Total

Soluble

1 h

24 h

48 h

PM 2. 5

Curitiba

average

9.23

   

S.D.

3.87

   

Manaus

average

9.21

   

S.D.

3.45

   

Copper

Curitiba

average

2.16

1.15

1.26

1.43

S.D.

0.90

0.35

0.42

0.46

uncertainty

0.04

0.01

0.01

0.01

Manaus

average

10.56

2.34

2.44

2.76

S.D.

7.34

2.21

1.94

2.42

uncertainty

0.22

0.02

0.02

0.01

Manganese

Curitiba

average

4.28

0.64

0.70

0.70

S.D.

1.15

0.11

0.10

0.11

uncertainty

0.02

0.00

0.00

0.01

Manaus

average

19.87

2.52

2.25

2.38

S.D.

14.30

1.89

1.83

1.79

uncertainty

0.15

0.05

0.06

0.04

Chromium

Curitiba

average

1.74

0.36

0.43

0.45

S.D.

1.22

0.21

0.31

0.32

uncertainty

0.05

0.01

0.02

0.02

Manaus

average

3.16

1.32

1.30

1.53

S.D.

2.88

1.01

1.03

1.07

uncertainty

0.22

0.04

0.05

0.07

Lead

Curitiba

average

8.05

4.54

4.74

4.73

S.D.

8.57

4.31

4.78

4.92

uncertainty

0.13

0.02

0.03

0.05

 

Manaus

average

12.15

8.47

7.90

8.31

S.D.

9.99

6.53

6.08

6.49

uncertainty

0.55

0.13

0.23

0.14

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