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Table 3 Summary statistics for pollutant concentrations at NYCCAS sites and rooftop regulatory monitoring sites from 3/22/2011-6/1/2011

From: Spatial variability in levels of benzene, formaldehyde, and total benzene, toluene, ethylbenzene and xylenes in New York City: a land-use regression study

 

Distributed Sites

Reference Sites

Regulatory Sites

 

n

Mean (μg/m3)

Range (μg/m3)

n

Mean (μg/m3)

Range (μg/m3)

n

Mean (μg/m3)

Range (μg/m3)

Benzene

69

0.82

0.34-2.3

3

0.52

0.50-0.58

6

0.65

0.50-0.76

BTEX

69

4.66

1.52-20.4

3

2.35

2.05-2.72

6

3.58

2.58-4.97

Formaldehyde

69

2.21

1.20-3.70

3

1.83

1.62-2.04

5

2.33

1.16-4.31

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Environmental Health

ISSN: 1476-069X