Table 2 Daily inhalation levels (EI) and incremental lifetime cancer risk (ILCR) in relation to carcinogenicity and mutagenicity for selected groups in the population.

From: Occurrence of the potent mutagens 2- nitrobenzanthrone and 3-nitrobenzanthrone in fine airborne particles

Target population

BaPeq (ng m−3)a

EI (ng person−1 day−1)

ILCR

bus station

coastal site

bus station

coastal site

bus station

coastal site

considering carcinogenicity only

Adults (>21 years)

  

19.9

7.34

5.57 × 10−7

2.06 × 10−7

Adolescents (11–16 years)

  

26.5

9.81

1.26 × 10−7

4.65 × 10−8

Children (1–11 years)

1.21

0.45

16.1

5.96

3.00 × 10−7

1.11 × 10−7

Infants (<1 year)

  

8.24

3.05

5.43 × 10−8

2.01 × 10−8

considering mutagenicity only

Adults (>21 years)

  

14.8

6.30

4.16 × 10−7

1.77 × 10−7

Adolescents (11–16 years)

  

19.8

8.41

9.38 × 10−8

3.99 × 10−8

Children (1–11 years)

0.90

0.38

12.0

5.11

2.24 × 10−7

9.51 × 10−8

Infants (<1 year)

  

6.15

2.61

4.05 × 10−8

1.72 × 10−8

carcinogenicity + mutagenicity

Adults (>21 years)

  

34.7

13.6

9.73 × 10−7

3.83 × 10−7

Adolescents (11–16 years)

  

46.3

18.2

2.17 × 10−7

8.64 × 10−8

Children (1–11 years)

2.11

0.83

28.1

11.1

5.24 × 10−7

2.06 × 10−7

Infants (<1 year)

  

14.4

5.66

9.48 × 10−8

3.73 × 10−8

  1. aResults are expressed as average ± one standard deviation.